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authormarha <marha@users.sourceforge.net>2011-05-24 06:22:59 +0000
committermarha <marha@users.sourceforge.net>2011-05-24 06:22:59 +0000
commit94d512f7295ade7b381fba2e9e0bc0c434cf8b65 (patch)
tree543bed56f8c5a3236f567ac1d8d683ebe629e92e /mesalib/src/mesa
parentae87f2594b9439cb63a6b52e42e09504b687aea3 (diff)
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xserver mesa git update 24 May 2011
Diffstat (limited to 'mesalib/src/mesa')
-rw-r--r--mesalib/src/mesa/main/es_generator.py1524
-rw-r--r--mesalib/src/mesa/main/formats.c3698
-rw-r--r--mesalib/src/mesa/main/formats.h534
3 files changed, 2877 insertions, 2879 deletions
diff --git a/mesalib/src/mesa/main/es_generator.py b/mesalib/src/mesa/main/es_generator.py
index 0776cf9a6..87d8bd316 100644
--- a/mesalib/src/mesa/main/es_generator.py
+++ b/mesalib/src/mesa/main/es_generator.py
@@ -1,764 +1,760 @@
-#*************************************************************************
-# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
-# All Rights Reserved.
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-# TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-# SOFTWARE.
-#*************************************************************************
-
-
-import sys, os
-import APIspecutil as apiutil
-
-# These dictionary entries are used for automatic conversion.
-# The string will be used as a format string with the conversion
-# variable.
-Converters = {
- 'GLfloat': {
- 'GLdouble': "(GLdouble) (%s)",
- 'GLfixed' : "(GLint) (%s * 65536)",
- },
- 'GLfixed': {
- 'GLfloat': "(GLfloat) (%s / 65536.0f)",
- 'GLdouble': "(GLdouble) (%s / 65536.0)",
- },
- 'GLdouble': {
- 'GLfloat': "(GLfloat) (%s)",
- 'GLfixed': "(GLfixed) (%s * 65536)",
- },
- 'GLclampf': {
- 'GLclampd': "(GLclampd) (%s)",
- 'GLclampx': "(GLclampx) (%s * 65536)",
- },
- 'GLclampx': {
- 'GLclampf': "(GLclampf) (%s / 65536.0f)",
- 'GLclampd': "(GLclampd) (%s / 65536.0)",
- },
- 'GLubyte': {
- 'GLfloat': "(GLfloat) (%s / 255.0f)",
- },
-}
-
-def GetBaseType(type):
- typeTokens = type.split(' ')
- baseType = None
- typeModifiers = []
- for t in typeTokens:
- if t in ['const', '*']:
- typeModifiers.append(t)
- else:
- baseType = t
- return (baseType, typeModifiers)
-
-def ConvertValue(value, fromType, toType):
- """Returns a string that represents the given parameter string,
- type-converted if necessary."""
-
- if not Converters.has_key(fromType):
- print >> sys.stderr, "No base converter for type '%s' found. Ignoring." % fromType
- return value
-
- if not Converters[fromType].has_key(toType):
- print >> sys.stderr, "No converter found for type '%s' to type '%s'. Ignoring." % (fromType, toType)
- return value
-
- # This part is simple. Return the proper conversion.
- conversionString = Converters[fromType][toType]
- return conversionString % value
-
-FormatStrings = {
- 'GLenum' : '0x%x',
- 'GLfloat' : '%f',
- 'GLint' : '%d',
- 'GLbitfield' : '0x%x',
-}
-def GetFormatString(type):
- if FormatStrings.has_key(type):
- return FormatStrings[type]
- else:
- return None
-
-
-######################################################################
-# Version-specific values to be used in the main script
-# header: which header file to include
-# api: what text specifies an API-level function
-VersionSpecificValues = {
- 'GLES1.1' : {
- 'description' : 'GLES1.1 functions',
- 'header' : 'GLES/gl.h',
- 'extheader' : 'GLES/glext.h',
- 'shortname' : 'es1'
- },
- 'GLES2.0': {
- 'description' : 'GLES2.0 functions',
- 'header' : 'GLES2/gl2.h',
- 'extheader' : 'GLES2/gl2ext.h',
- 'shortname' : 'es2'
- }
-}
-
-
-######################################################################
-# Main code for the script begins here.
-
-# Get the name of the program (without the directory part) for use in
-# error messages.
-program = os.path.basename(sys.argv[0])
-
-# Set default values
-verbose = 0
-functionList = "APIspec.xml"
-version = "GLES1.1"
-
-# Allow for command-line switches
-import getopt, time
-options = "hvV:S:"
-try:
- optlist, args = getopt.getopt(sys.argv[1:], options)
-except getopt.GetoptError, message:
- sys.stderr.write("%s: %s. Use -h for help.\n" % (program, message))
- sys.exit(1)
-
-for option, optarg in optlist:
- if option == "-h":
- sys.stderr.write("Usage: %s [-%s]\n" % (program, options))
- sys.stderr.write("Parse an API specification file and generate wrapper functions for a given GLES version\n")
- sys.stderr.write("-h gives help\n")
- sys.stderr.write("-v is verbose\n")
- sys.stderr.write("-V specifies GLES version to generate [%s]:\n" % version)
- for key in VersionSpecificValues.keys():
- sys.stderr.write(" %s - %s\n" % (key, VersionSpecificValues[key]['description']))
- sys.stderr.write("-S specifies API specification file to use [%s]\n" % functionList)
- sys.exit(1)
- elif option == "-v":
- verbose += 1
- elif option == "-V":
- version = optarg
- elif option == "-S":
- functionList = optarg
-
-# Beyond switches, we support no further command-line arguments
-if len(args) > 0:
- sys.stderr.write("%s: only switch arguments are supported - use -h for help\n" % program)
- sys.exit(1)
-
-# If we don't have a valid version, abort.
-if not VersionSpecificValues.has_key(version):
- sys.stderr.write("%s: version '%s' is not valid - use -h for help\n" % (program, version))
- sys.exit(1)
-
-# Grab the version-specific items we need to use
-versionHeader = VersionSpecificValues[version]['header']
-versionExtHeader = VersionSpecificValues[version]['extheader']
-shortname = VersionSpecificValues[version]['shortname']
-
-# If we get to here, we're good to go. The "version" parameter
-# directs GetDispatchedFunctions to only allow functions from
-# that "category" (version in our parlance). This allows
-# functions with different declarations in different categories
-# to exist (glTexImage2D, for example, is different between
-# GLES1 and GLES2).
-keys = apiutil.GetAllFunctions(functionList, version)
-
-allSpecials = apiutil.AllSpecials()
-
-print """/* DO NOT EDIT *************************************************
- * THIS FILE AUTOMATICALLY GENERATED BY THE %s SCRIPT
- * API specification file: %s
- * GLES version: %s
- * date: %s
- */
-""" % (program, functionList, version, time.strftime("%Y-%m-%d %H:%M:%S"))
-
-# The headers we choose are version-specific.
-print """
-#include "%s"
-#include "%s"
-#include "main/mfeatures.h"
-#include "main/compiler.h"
-#include "main/api_exec.h"
-
-#if FEATURE_%s
-
-#ifndef GLAPIENTRYP
-#define GLAPIENTRYP GL_APIENTRYP
-#endif
-""" % (versionHeader, versionExtHeader, shortname.upper())
-
-# Everyone needs these types.
-print """
-/* These types are needed for the Mesa veneer, but are not defined in
- * the standard GLES headers.
- */
-typedef double GLdouble;
-typedef double GLclampd;
-
-/* Mesa error handling requires these */
-extern void *_mesa_get_current_context(void);
-extern void _mesa_error(void *ctx, GLenum error, const char *fmtString, ... );
-"""
-
-# Finally we get to the all-important functions
-print """/*************************************************************
- * Generated functions begin here
- */
-"""
-for funcName in keys:
- if verbose > 0: sys.stderr.write("%s: processing function %s\n" % (program, funcName))
-
- # start figuring out what this function will look like.
- returnType = apiutil.ReturnType(funcName)
- props = apiutil.Properties(funcName)
- params = apiutil.Parameters(funcName)
- declarationString = apiutil.MakeDeclarationString(params)
-
- # In case of error, a function may have to return. Make
- # sure we have valid return values in this case.
- if returnType == "void":
- errorReturn = "return"
- elif returnType == "GLboolean":
- errorReturn = "return GL_FALSE"
- else:
- errorReturn = "return (%s) 0" % returnType
-
- # These are the output of this large calculation block.
- # passthroughDeclarationString: a typed set of parameters that
- # will be used to create the "extern" reference for the
- # underlying Mesa or support function. Note that as generated
- # these have an extra ", " at the beginning, which will be
- # removed before use.
- #
- # passthroughDeclarationString: an untyped list of parameters
- # that will be used to call the underlying Mesa or support
- # function (including references to converted parameters).
- # This will also be generated with an extra ", " at the
- # beginning, which will be removed before use.
- #
- # variables: C code to create any local variables determined to
- # be necessary.
- # conversionCodeOutgoing: C code to convert application parameters
- # to a necessary type before calling the underlying support code.
- # May be empty if no conversion is required.
- # conversionCodeIncoming: C code to do the converse: convert
- # values returned by underlying Mesa code to the types needed
- # by the application.
- # Note that *either* the conversionCodeIncoming will be used (for
- # generated query functions), *or* the conversionCodeOutgoing will
- # be used (for generated non-query functions), never both.
- passthroughFuncName = ""
- passthroughDeclarationString = ""
- passthroughCallString = ""
- prefixOverride = None
- variables = []
- conversionCodeOutgoing = []
- conversionCodeIncoming = []
- switchCode = []
-
- # Calculate the name of the underlying support function to call.
- # By default, the passthrough function is named _mesa_<funcName>.
- # We're allowed to override the prefix and/or the function name
- # for each function record, though. The "ConversionFunction"
- # utility is poorly named, BTW...
- if funcName in allSpecials:
- # perform checks and pass through
- funcPrefix = "_check_"
- aliasprefix = "_es_"
- else:
- funcPrefix = "_es_"
- aliasprefix = apiutil.AliasPrefix(funcName)
- alias = apiutil.ConversionFunction(funcName)
- prefixOverride = apiutil.FunctionPrefix(funcName)
- if prefixOverride != "_mesa_":
- aliasprefix = apiutil.FunctionPrefix(funcName)
- if not alias:
- # There may still be a Mesa alias for the function
- if apiutil.Alias(funcName):
- passthroughFuncName = "%s%s" % (aliasprefix, apiutil.Alias(funcName))
- else:
- passthroughFuncName = "%s%s" % (aliasprefix, funcName)
- else: # a specific alias is provided
- passthroughFuncName = "%s%s" % (aliasprefix, alias)
-
- # Look at every parameter: each one may have only specific
- # allowed values, or dependent parameters to check, or
- # variant-sized vector arrays to calculate
- for (paramName, paramType, paramMaxVecSize, paramConvertToType, paramValidValues, paramValueConversion) in params:
- # We'll need this below if we're doing conversions
- (paramBaseType, paramTypeModifiers) = GetBaseType(paramType)
-
- # Conversion management.
- # We'll handle three cases, easiest to hardest: a parameter
- # that doesn't require conversion, a scalar parameter that
- # requires conversion, and a vector parameter that requires
- # conversion.
- if paramConvertToType == None:
- # Unconverted parameters are easy, whether they're vector
- # or scalar - just add them to the call list. No conversions
- # or anything to worry about.
- passthroughDeclarationString += ", %s %s" % (paramType, paramName)
- passthroughCallString += ", %s" % paramName
-
- elif paramMaxVecSize == 0: # a scalar parameter that needs conversion
- # A scalar to hold a converted parameter
- variables.append(" %s converted_%s;" % (paramConvertToType, paramName))
-
- # Outgoing conversion depends on whether we have to conditionally
- # perform value conversion.
- if paramValueConversion == "none":
- conversionCodeOutgoing.append(" converted_%s = (%s) %s;" % (paramName, paramConvertToType, paramName))
- elif paramValueConversion == "some":
- # We'll need a conditional variable to keep track of
- # whether we're converting values or not.
- if (" int convert_%s_value = 1;" % paramName) not in variables:
- variables.append(" int convert_%s_value = 1;" % paramName)
-
- # Write code based on that conditional.
- conversionCodeOutgoing.append(" if (convert_%s_value) {" % paramName)
- conversionCodeOutgoing.append(" converted_%s = %s;" % (paramName, ConvertValue(paramName, paramBaseType, paramConvertToType)))
- conversionCodeOutgoing.append(" } else {")
- conversionCodeOutgoing.append(" converted_%s = (%s) %s;" % (paramName, paramConvertToType, paramName))
- conversionCodeOutgoing.append(" }")
- else: # paramValueConversion == "all"
- conversionCodeOutgoing.append(" converted_%s = %s;" % (paramName, ConvertValue(paramName, paramBaseType, paramConvertToType)))
-
- # Note that there can be no incoming conversion for a
- # scalar parameter; changing the scalar will only change
- # the local value, and won't ultimately change anything
- # that passes back to the application.
-
- # Call strings. The unusual " ".join() call will join the
- # array of parameter modifiers with spaces as separators.
- passthroughDeclarationString += ", %s %s %s" % (paramConvertToType, " ".join(paramTypeModifiers), paramName)
- passthroughCallString += ", converted_%s" % paramName
-
- else: # a vector parameter that needs conversion
- # We'll need an index variable for conversions
- if " register unsigned int i;" not in variables:
- variables.append(" register unsigned int i;")
-
- # This variable will hold the (possibly variant) size of
- # this array needing conversion. By default, we'll set
- # it to the maximal size (which is correct for functions
- # with a constant-sized vector parameter); for true
- # variant arrays, we'll modify it with other code.
- variables.append(" unsigned int n_%s = %d;" % (paramName, paramMaxVecSize))
-
- # This array will hold the actual converted values.
- variables.append(" %s converted_%s[%d];" % (paramConvertToType, paramName, paramMaxVecSize))
-
- # Again, we choose the conversion code based on whether we
- # have to always convert values, never convert values, or
- # conditionally convert values.
- if paramValueConversion == "none":
- conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeOutgoing.append(" converted_%s[i] = (%s) %s[i];" % (paramName, paramConvertToType, paramName))
- conversionCodeOutgoing.append(" }")
- elif paramValueConversion == "some":
- # We'll need a conditional variable to keep track of
- # whether we're converting values or not.
- if (" int convert_%s_value = 1;" % paramName) not in variables:
- variables.append(" int convert_%s_value = 1;" % paramName)
- # Write code based on that conditional.
- conversionCodeOutgoing.append(" if (convert_%s_value) {" % paramName)
- conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeOutgoing.append(" converted_%s[i] = %s;" % (paramName, ConvertValue("%s[i]" % paramName, paramBaseType, paramConvertToType)))
- conversionCodeOutgoing.append(" }")
- conversionCodeOutgoing.append(" } else {")
- conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeOutgoing.append(" converted_%s[i] = (%s) %s[i];" % (paramName, paramConvertToType, paramName))
- conversionCodeOutgoing.append(" }")
- conversionCodeOutgoing.append(" }")
- else: # paramValueConversion == "all"
- conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeOutgoing.append(" converted_%s[i] = %s;" % (paramName, ConvertValue("%s[i]" % paramName, paramBaseType, paramConvertToType)))
-
- conversionCodeOutgoing.append(" }")
-
- # If instead we need an incoming conversion (i.e. results
- # from Mesa have to be converted before handing back
- # to the application), this is it. Fortunately, we don't
- # have to worry about conditional value conversion - the
- # functions that do (e.g. glGetFixedv()) are handled
- # specially, outside this code generation.
- #
- # Whether we use incoming conversion or outgoing conversion
- # is determined later - we only ever use one or the other.
-
- if paramValueConversion == "none":
- conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeIncoming.append(" %s[i] = (%s) converted_%s[i];" % (paramName, paramConvertToType, paramName))
- conversionCodeIncoming.append(" }")
- elif paramValueConversion == "some":
- # We'll need a conditional variable to keep track of
- # whether we're converting values or not.
- if (" int convert_%s_value = 1;" % paramName) not in variables:
- variables.append(" int convert_%s_value = 1;" % paramName)
-
- # Write code based on that conditional.
- conversionCodeIncoming.append(" if (convert_%s_value) {" % paramName)
- conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeIncoming.append(" %s[i] = %s;" % (paramName, ConvertValue("converted_%s[i]" % paramName, paramConvertToType, paramBaseType)))
- conversionCodeIncoming.append(" }")
- conversionCodeIncoming.append(" } else {")
- conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeIncoming.append(" %s[i] = (%s) converted_%s[i];" % (paramName, paramBaseType, paramName))
- conversionCodeIncoming.append(" }")
- conversionCodeIncoming.append(" }")
- else: # paramValueConversion == "all"
- conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
- conversionCodeIncoming.append(" %s[i] = %s;" % (paramName, ConvertValue("converted_%s[i]" % paramName, paramConvertToType, paramBaseType)))
- conversionCodeIncoming.append(" }")
-
- # Call strings. The unusual " ".join() call will join the
- # array of parameter modifiers with spaces as separators.
- passthroughDeclarationString += ", %s %s %s" % (paramConvertToType, " ".join(paramTypeModifiers), paramName)
- passthroughCallString += ", converted_%s" % paramName
-
- # endif conversion management
-
- # Parameter checking. If the parameter has a specific list of
- # valid values, we have to make sure that the passed-in values
- # match these, or we make an error.
- if len(paramValidValues) > 0:
- # We're about to make a big switch statement with an
- # error at the end. By default, the error is GL_INVALID_ENUM,
- # unless we find a "case" statement in the middle with a
- # non-GLenum value.
- errorDefaultCase = "GL_INVALID_ENUM"
-
- # This parameter has specific valid values. Make a big
- # switch statement to handle it. Note that the original
- # parameters are always what is checked, not the
- # converted parameters.
- switchCode.append(" switch(%s) {" % paramName)
-
- for valueIndex in range(len(paramValidValues)):
- (paramValue, dependentVecSize, dependentParamName, dependentValidValues, errorCode, valueConvert) = paramValidValues[valueIndex]
-
- # We're going to need information on the dependent param
- # as well.
- if dependentParamName:
- depParamIndex = apiutil.FindParamIndex(params, dependentParamName)
- if depParamIndex == None:
- sys.stderr.write("%s: can't find dependent param '%s' for function '%s'\n" % (program, dependentParamName, funcName))
-
- (depParamName, depParamType, depParamMaxVecSize, depParamConvertToType, depParamValidValues, depParamValueConversion) = params[depParamIndex]
- else:
- (depParamName, depParamType, depParamMaxVecSize, depParamConvertToType, depParamValidValues, depParamValueConversion) = (None, None, None, None, [], None)
-
- # This is a sneaky trick. It's valid syntax for a parameter
- # that is *not* going to be converted to be declared
- # with a dependent vector size; but in this case, the
- # dependent vector size is unused and unnecessary.
- # So check for this and ignore the dependent vector size
- # if the parameter is not going to be converted.
- if depParamConvertToType:
- usedDependentVecSize = dependentVecSize
- else:
- usedDependentVecSize = None
-
- # We'll peek ahead at the next parameter, to see whether
- # we can combine cases
- if valueIndex + 1 < len(paramValidValues) :
- (nextParamValue, nextDependentVecSize, nextDependentParamName, nextDependentValidValues, nextErrorCode, nextValueConvert) = paramValidValues[valueIndex + 1]
- if depParamConvertToType:
- usedNextDependentVecSize = nextDependentVecSize
- else:
- usedNextDependentVecSize = None
-
- # Create a case for this value. As a mnemonic,
- # if we have a dependent vector size that we're ignoring,
- # add it as a comment.
- if usedDependentVecSize == None and dependentVecSize != None:
- switchCode.append(" case %s: /* size %s */" % (paramValue, dependentVecSize))
- else:
- switchCode.append(" case %s:" % paramValue)
-
- # If this is not a GLenum case, then switch our error
- # if no value is matched to be GL_INVALID_VALUE instead
- # of GL_INVALID_ENUM. (Yes, this does get confused
- # if there are both values and GLenums in the same
- # switch statement, which shouldn't happen.)
- if paramValue[0:3] != "GL_":
- errorDefaultCase = "GL_INVALID_VALUE"
-
- # If all the remaining parameters are identical to the
- # next set, then we're done - we'll just create the
- # official code on the next pass through, and the two
- # cases will share the code.
- if valueIndex + 1 < len(paramValidValues) and usedDependentVecSize == usedNextDependentVecSize and dependentParamName == nextDependentParamName and dependentValidValues == nextDependentValidValues and errorCode == nextErrorCode and valueConvert == nextValueConvert:
- continue
-
- # Otherwise, we'll have to generate code for this case.
- # Start off with a check: if there is a dependent parameter,
- # and a list of valid values for that parameter, we need
- # to generate an error if something other than one
- # of those values is passed.
- if len(dependentValidValues) > 0:
- conditional=""
-
- # If the parameter being checked is actually an array,
- # check only its first element.
- if depParamMaxVecSize == 0:
- valueToCheck = dependentParamName
- else:
- valueToCheck = "%s[0]" % dependentParamName
-
- for v in dependentValidValues:
- conditional += " && %s != %s" % (valueToCheck, v)
- switchCode.append(" if (%s) {" % conditional[4:])
- if errorCode == None:
- errorCode = "GL_INVALID_ENUM"
- switchCode.append(' _mesa_error(_mesa_get_current_context(), %s, "gl%s(%s=0x%s)", %s);' % (errorCode, funcName, paramName, "%x", paramName))
- switchCode.append(" %s;" % errorReturn)
- switchCode.append(" }")
- # endif there are dependent valid values
-
- # The dependent parameter may require conditional
- # value conversion. If it does, and we don't want
- # to convert values, we'll have to generate code for that
- if depParamValueConversion == "some" and valueConvert == "noconvert":
- switchCode.append(" convert_%s_value = 0;" % dependentParamName)
-
- # If there's a dependent vector size for this parameter
- # that we're actually going to use (i.e. we need conversion),
- # mark it.
- if usedDependentVecSize:
- switchCode.append(" n_%s = %s;" % (dependentParamName, dependentVecSize))
-
- # In all cases, break out of the switch if any valid
- # value is found.
- switchCode.append(" break;")
-
-
- # Need a default case to catch all the other, invalid
- # parameter values. These will all generate errors.
- switchCode.append(" default:")
- if errorCode == None:
- errorCode = "GL_INVALID_ENUM"
- formatString = GetFormatString(paramType)
- if formatString == None:
- switchCode.append(' _mesa_error(_mesa_get_current_context(), %s, "gl%s(%s)");' % (errorCode, funcName, paramName))
- else:
- switchCode.append(' _mesa_error(_mesa_get_current_context(), %s, "gl%s(%s=%s)", %s);' % (errorCode, funcName, paramName, formatString, paramName))
- switchCode.append(" %s;" % errorReturn)
-
- # End of our switch code.
- switchCode.append(" }")
-
- # endfor every recognized parameter value
-
- # endfor every param
-
- # Here, the passthroughDeclarationString and passthroughCallString
- # are complete; remove the extra ", " at the front of each.
- passthroughDeclarationString = passthroughDeclarationString[2:]
- passthroughCallString = passthroughCallString[2:]
- if not passthroughDeclarationString:
- passthroughDeclarationString = "void"
-
- # The Mesa functions are scattered across all the Mesa
- # header files. The easiest way to manage declarations
- # is to create them ourselves.
- if funcName in allSpecials:
- print "/* this function is special and is defined elsewhere */"
- print "extern %s GL_APIENTRY %s(%s);" % (returnType, passthroughFuncName, passthroughDeclarationString)
-
- # A function may be a core function (i.e. it exists in
- # the core specification), a core addition (extension
- # functions added officially to the core), a required
- # extension (usually an extension for an earlier version
- # that has been officially adopted), or an optional extension.
- #
- # Core functions have a simple category (e.g. "GLES1.1");
- # we generate only a simple callback for them.
- #
- # Core additions have two category listings, one simple
- # and one compound (e.g. ["GLES1.1", "GLES1.1:OES_fixed_point"]).
- # We generate the core function, and also an extension function.
- #
- # Required extensions and implemented optional extensions
- # have a single compound category "GLES1.1:OES_point_size_array".
- # For these we generate just the extension function.
- for categorySpec in apiutil.Categories(funcName):
- compoundCategory = categorySpec.split(":")
-
- # This category isn't for us, if the base category doesn't match
- # our version
- if compoundCategory[0] != version:
- continue
-
- # Otherwise, determine if we're writing code for a core
- # function (no suffix) or an extension function.
- if len(compoundCategory) == 1:
- # This is a core function
- extensionName = None
- extensionSuffix = ""
- else:
- # This is an extension function. We'll need to append
- # the extension suffix.
- extensionName = compoundCategory[1]
- extensionSuffix = extensionName.split("_")[0]
- fullFuncName = funcPrefix + funcName + extensionSuffix
-
- # Now the generated function. The text used to mark an API-level
- # function, oddly, is version-specific.
- if extensionName:
- print "/* Extension %s */" % extensionName
-
- if (not variables and
- not switchCode and
- not conversionCodeOutgoing and
- not conversionCodeIncoming):
- # pass through directly
- print "#define %s %s" % (fullFuncName, passthroughFuncName)
- print
- continue
-
- print "static %s GL_APIENTRY %s(%s)" % (returnType, fullFuncName, declarationString)
- print "{"
-
- # Start printing our code pieces. Start with any local
- # variables we need. This unusual syntax joins the
- # lines in the variables[] array with the "\n" separator.
- if len(variables) > 0:
- print "\n".join(variables) + "\n"
-
- # If there's any sort of parameter checking or variable
- # array sizing, the switch code will contain it.
- if len(switchCode) > 0:
- print "\n".join(switchCode) + "\n"
-
- # In the case of an outgoing conversion (i.e. parameters must
- # be converted before calling the underlying Mesa function),
- # use the appropriate code.
- if "get" not in props and len(conversionCodeOutgoing) > 0:
- print "\n".join(conversionCodeOutgoing) + "\n"
-
- # Call the Mesa function. Note that there are very few functions
- # that return a value (i.e. returnType is not "void"), and that
- # none of them require incoming translation; so we're safe
- # to generate code that directly returns in those cases,
- # even though it's not completely independent.
-
- if returnType == "void":
- print " %s(%s);" % (passthroughFuncName, passthroughCallString)
- else:
- print " return %s(%s);" % (passthroughFuncName, passthroughCallString)
-
- # If the function is one that returns values (i.e. "get" in props),
- # it might return values of a different type than we need, that
- # require conversion before passing back to the application.
- if "get" in props and len(conversionCodeIncoming) > 0:
- print "\n".join(conversionCodeIncoming)
-
- # All done.
- print "}"
- print
- # end for each category provided for a function
-
-# end for each function
-
-print """
-#include "glapi/glapi.h"
-
-#if FEATURE_remap_table
-
-/* cannot include main/dispatch.h here */
-#define _GLAPI_USE_REMAP_TABLE
-#include "%sapi/main/glapidispatch.h"
-
-#define need_MESA_remap_table
-#include "%sapi/main/remap_helper.h"
-
-/* force SET_* macros to use the local remap table */
-#define driDispatchRemapTable remap_table
-static int remap_table[driDispatchRemapTable_size];
-
-static void
-init_remap_table(void)
-{
- _glthread_DECLARE_STATIC_MUTEX(mutex);
- static GLboolean initialized = GL_FALSE;
- const struct gl_function_pool_remap *remap = MESA_remap_table_functions;
- int i;
-
- _glthread_LOCK_MUTEX(mutex);
- if (initialized) {
- _glthread_UNLOCK_MUTEX(mutex);
- return;
- }
-
- for (i = 0; i < driDispatchRemapTable_size; i++) {
- GLint offset;
- const char *spec;
-
- /* sanity check */
- ASSERT(i == remap[i].remap_index);
- spec = _mesa_function_pool + remap[i].pool_index;
-
- offset = _mesa_map_function_spec(spec);
- remap_table[i] = offset;
- }
- initialized = GL_TRUE;
- _glthread_UNLOCK_MUTEX(mutex);
-}
-
-#else /* FEATURE_remap_table */
-
-/* cannot include main/dispatch.h here */
-#include "%sapi/main/glapidispatch.h"
-
-static INLINE void
-init_remap_table(void)
-{
-}
-
-#endif /* FEATURE_remap_table */
-
-struct _glapi_table *
-_mesa_create_exec_table_%s(void)
-{
- struct _glapi_table *exec;
-
- exec = _mesa_alloc_dispatch_table(_gloffset_COUNT);
- if (exec == NULL)
- return NULL;
-
- init_remap_table();
-""" % (shortname, shortname, shortname, shortname)
-
-for func in keys:
- prefix = "_es_" if func not in allSpecials else "_check_"
- for spec in apiutil.Categories(func):
- ext = spec.split(":")
- # version does not match
- if ext.pop(0) != version:
- continue
- entry = func
- if ext:
- suffix = ext[0].split("_")[0]
- entry += suffix
- print " SET_%s(exec, %s%s);" % (entry, prefix, entry)
-print ""
-print " return exec;"
-print "}"
-
-print """
-#endif /* FEATURE_%s */""" % (shortname.upper())
+#*************************************************************************
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# TUNGSTEN GRAPHICS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#*************************************************************************
+
+
+import sys, os
+import APIspecutil as apiutil
+
+# These dictionary entries are used for automatic conversion.
+# The string will be used as a format string with the conversion
+# variable.
+Converters = {
+ 'GLfloat': {
+ 'GLdouble': "(GLdouble) (%s)",
+ 'GLfixed' : "(GLint) (%s * 65536)",
+ },
+ 'GLfixed': {
+ 'GLfloat': "(GLfloat) (%s / 65536.0f)",
+ 'GLdouble': "(GLdouble) (%s / 65536.0)",
+ },
+ 'GLdouble': {
+ 'GLfloat': "(GLfloat) (%s)",
+ 'GLfixed': "(GLfixed) (%s * 65536)",
+ },
+ 'GLclampf': {
+ 'GLclampd': "(GLclampd) (%s)",
+ 'GLclampx': "(GLclampx) (%s * 65536)",
+ },
+ 'GLclampx': {
+ 'GLclampf': "(GLclampf) (%s / 65536.0f)",
+ 'GLclampd': "(GLclampd) (%s / 65536.0)",
+ },
+ 'GLubyte': {
+ 'GLfloat': "(GLfloat) (%s / 255.0f)",
+ },
+}
+
+def GetBaseType(type):
+ typeTokens = type.split(' ')
+ baseType = None
+ typeModifiers = []
+ for t in typeTokens:
+ if t in ['const', '*']:
+ typeModifiers.append(t)
+ else:
+ baseType = t
+ return (baseType, typeModifiers)
+
+def ConvertValue(value, fromType, toType):
+ """Returns a string that represents the given parameter string,
+ type-converted if necessary."""
+
+ if not Converters.has_key(fromType):
+ print >> sys.stderr, "No base converter for type '%s' found. Ignoring." % fromType
+ return value
+
+ if not Converters[fromType].has_key(toType):
+ print >> sys.stderr, "No converter found for type '%s' to type '%s'. Ignoring." % (fromType, toType)
+ return value
+
+ # This part is simple. Return the proper conversion.
+ conversionString = Converters[fromType][toType]
+ return conversionString % value
+
+FormatStrings = {
+ 'GLenum' : '0x%x',
+ 'GLfloat' : '%f',
+ 'GLint' : '%d',
+ 'GLbitfield' : '0x%x',
+}
+def GetFormatString(type):
+ if FormatStrings.has_key(type):
+ return FormatStrings[type]
+ else:
+ return None
+
+
+######################################################################
+# Version-specific values to be used in the main script
+# header: which header file to include
+# api: what text specifies an API-level function
+VersionSpecificValues = {
+ 'GLES1.1' : {
+ 'description' : 'GLES1.1 functions',
+ 'header' : 'GLES/gl.h',
+ 'extheader' : 'GLES/glext.h',
+ 'shortname' : 'es1'
+ },
+ 'GLES2.0': {
+ 'description' : 'GLES2.0 functions',
+ 'header' : 'GLES2/gl2.h',
+ 'extheader' : 'GLES2/gl2ext.h',
+ 'shortname' : 'es2'
+ }
+}
+
+
+######################################################################
+# Main code for the script begins here.
+
+# Get the name of the program (without the directory part) for use in
+# error messages.
+program = os.path.basename(sys.argv[0])
+
+# Set default values
+verbose = 0
+functionList = "APIspec.xml"
+version = "GLES1.1"
+
+# Allow for command-line switches
+import getopt, time
+options = "hvV:S:"
+try:
+ optlist, args = getopt.getopt(sys.argv[1:], options)
+except getopt.GetoptError, message:
+ sys.stderr.write("%s: %s. Use -h for help.\n" % (program, message))
+ sys.exit(1)
+
+for option, optarg in optlist:
+ if option == "-h":
+ sys.stderr.write("Usage: %s [-%s]\n" % (program, options))
+ sys.stderr.write("Parse an API specification file and generate wrapper functions for a given GLES version\n")
+ sys.stderr.write("-h gives help\n")
+ sys.stderr.write("-v is verbose\n")
+ sys.stderr.write("-V specifies GLES version to generate [%s]:\n" % version)
+ for key in VersionSpecificValues.keys():
+ sys.stderr.write(" %s - %s\n" % (key, VersionSpecificValues[key]['description']))
+ sys.stderr.write("-S specifies API specification file to use [%s]\n" % functionList)
+ sys.exit(1)
+ elif option == "-v":
+ verbose += 1
+ elif option == "-V":
+ version = optarg
+ elif option == "-S":
+ functionList = optarg
+
+# Beyond switches, we support no further command-line arguments
+if len(args) > 0:
+ sys.stderr.write("%s: only switch arguments are supported - use -h for help\n" % program)
+ sys.exit(1)
+
+# If we don't have a valid version, abort.
+if not VersionSpecificValues.has_key(version):
+ sys.stderr.write("%s: version '%s' is not valid - use -h for help\n" % (program, version))
+ sys.exit(1)
+
+# Grab the version-specific items we need to use
+versionHeader = VersionSpecificValues[version]['header']
+versionExtHeader = VersionSpecificValues[version]['extheader']
+shortname = VersionSpecificValues[version]['shortname']
+
+# If we get to here, we're good to go. The "version" parameter
+# directs GetDispatchedFunctions to only allow functions from
+# that "category" (version in our parlance). This allows
+# functions with different declarations in different categories
+# to exist (glTexImage2D, for example, is different between
+# GLES1 and GLES2).
+keys = apiutil.GetAllFunctions(functionList, version)
+
+allSpecials = apiutil.AllSpecials()
+
+print """/* DO NOT EDIT *************************************************
+ * THIS FILE AUTOMATICALLY GENERATED BY THE %s SCRIPT
+ * API specification file: %s
+ * GLES version: %s
+ * date: %s
+ */
+""" % (program, functionList, version, time.strftime("%Y-%m-%d %H:%M:%S"))
+
+# The headers we choose are version-specific.
+print """
+#include "%s"
+#include "%s"
+#include "main/mfeatures.h"
+#include "main/compiler.h"
+#include "main/api_exec.h"
+
+#if FEATURE_%s
+
+#ifndef GLAPIENTRYP
+#define GLAPIENTRYP GL_APIENTRYP
+#endif
+""" % (versionHeader, versionExtHeader, shortname.upper())
+
+# Everyone needs these types.
+print """
+/* These types are needed for the Mesa veneer, but are not defined in
+ * the standard GLES headers.
+ */
+typedef double GLdouble;
+typedef double GLclampd;
+
+/* Mesa error handling requires these */
+extern void *_mesa_get_current_context(void);
+extern void _mesa_error(void *ctx, GLenum error, const char *fmtString, ... );
+"""
+
+# Finally we get to the all-important functions
+print """/*************************************************************
+ * Generated functions begin here
+ */
+"""
+for funcName in keys:
+ if verbose > 0: sys.stderr.write("%s: processing function %s\n" % (program, funcName))
+
+ # start figuring out what this function will look like.
+ returnType = apiutil.ReturnType(funcName)
+ props = apiutil.Properties(funcName)
+ params = apiutil.Parameters(funcName)
+ declarationString = apiutil.MakeDeclarationString(params)
+
+ # In case of error, a function may have to return. Make
+ # sure we have valid return values in this case.
+ if returnType == "void":
+ errorReturn = "return"
+ elif returnType == "GLboolean":
+ errorReturn = "return GL_FALSE"
+ else:
+ errorReturn = "return (%s) 0" % returnType
+
+ # These are the output of this large calculation block.
+ # passthroughDeclarationString: a typed set of parameters that
+ # will be used to create the "extern" reference for the
+ # underlying Mesa or support function. Note that as generated
+ # these have an extra ", " at the beginning, which will be
+ # removed before use.
+ #
+ # passthroughDeclarationString: an untyped list of parameters
+ # that will be used to call the underlying Mesa or support
+ # function (including references to converted parameters).
+ # This will also be generated with an extra ", " at the
+ # beginning, which will be removed before use.
+ #
+ # variables: C code to create any local variables determined to
+ # be necessary.
+ # conversionCodeOutgoing: C code to convert application parameters
+ # to a necessary type before calling the underlying support code.
+ # May be empty if no conversion is required.
+ # conversionCodeIncoming: C code to do the converse: convert
+ # values returned by underlying Mesa code to the types needed
+ # by the application.
+ # Note that *either* the conversionCodeIncoming will be used (for
+ # generated query functions), *or* the conversionCodeOutgoing will
+ # be used (for generated non-query functions), never both.
+ passthroughFuncName = ""
+ passthroughDeclarationString = ""
+ passthroughCallString = ""
+ prefixOverride = None
+ variables = []
+ conversionCodeOutgoing = []
+ conversionCodeIncoming = []
+ switchCode = []
+
+ # Calculate the name of the underlying support function to call.
+ # By default, the passthrough function is named _mesa_<funcName>.
+ # We're allowed to override the prefix and/or the function name
+ # for each function record, though. The "ConversionFunction"
+ # utility is poorly named, BTW...
+ if funcName in allSpecials:
+ # perform checks and pass through
+ funcPrefix = "_check_"
+ aliasprefix = "_es_"
+ else:
+ funcPrefix = "_es_"
+ aliasprefix = apiutil.AliasPrefix(funcName)
+ alias = apiutil.ConversionFunction(funcName)
+ prefixOverride = apiutil.FunctionPrefix(funcName)
+ if prefixOverride != "_mesa_":
+ aliasprefix = apiutil.FunctionPrefix(funcName)
+ if not alias:
+ # There may still be a Mesa alias for the function
+ if apiutil.Alias(funcName):
+ passthroughFuncName = "%s%s" % (aliasprefix, apiutil.Alias(funcName))
+ else:
+ passthroughFuncName = "%s%s" % (aliasprefix, funcName)
+ else: # a specific alias is provided
+ passthroughFuncName = "%s%s" % (aliasprefix, alias)
+
+ # Look at every parameter: each one may have only specific
+ # allowed values, or dependent parameters to check, or
+ # variant-sized vector arrays to calculate
+ for (paramName, paramType, paramMaxVecSize, paramConvertToType, paramValidValues, paramValueConversion) in params:
+ # We'll need this below if we're doing conversions
+ (paramBaseType, paramTypeModifiers) = GetBaseType(paramType)
+
+ # Conversion management.
+ # We'll handle three cases, easiest to hardest: a parameter
+ # that doesn't require conversion, a scalar parameter that
+ # requires conversion, and a vector parameter that requires
+ # conversion.
+ if paramConvertToType == None:
+ # Unconverted parameters are easy, whether they're vector
+ # or scalar - just add them to the call list. No conversions
+ # or anything to worry about.
+ passthroughDeclarationString += ", %s %s" % (paramType, paramName)
+ passthroughCallString += ", %s" % paramName
+
+ elif paramMaxVecSize == 0: # a scalar parameter that needs conversion
+ # A scalar to hold a converted parameter
+ variables.append(" %s converted_%s;" % (paramConvertToType, paramName))
+
+ # Outgoing conversion depends on whether we have to conditionally
+ # perform value conversion.
+ if paramValueConversion == "none":
+ conversionCodeOutgoing.append(" converted_%s = (%s) %s;" % (paramName, paramConvertToType, paramName))
+ elif paramValueConversion == "some":
+ # We'll need a conditional variable to keep track of
+ # whether we're converting values or not.
+ if (" int convert_%s_value = 1;" % paramName) not in variables:
+ variables.append(" int convert_%s_value = 1;" % paramName)
+
+ # Write code based on that conditional.
+ conversionCodeOutgoing.append(" if (convert_%s_value) {" % paramName)
+ conversionCodeOutgoing.append(" converted_%s = %s;" % (paramName, ConvertValue(paramName, paramBaseType, paramConvertToType)))
+ conversionCodeOutgoing.append(" } else {")
+ conversionCodeOutgoing.append(" converted_%s = (%s) %s;" % (paramName, paramConvertToType, paramName))
+ conversionCodeOutgoing.append(" }")
+ else: # paramValueConversion == "all"
+ conversionCodeOutgoing.append(" converted_%s = %s;" % (paramName, ConvertValue(paramName, paramBaseType, paramConvertToType)))
+
+ # Note that there can be no incoming conversion for a
+ # scalar parameter; changing the scalar will only change
+ # the local value, and won't ultimately change anything
+ # that passes back to the application.
+
+ # Call strings. The unusual " ".join() call will join the
+ # array of parameter modifiers with spaces as separators.
+ passthroughDeclarationString += ", %s %s %s" % (paramConvertToType, " ".join(paramTypeModifiers), paramName)
+ passthroughCallString += ", converted_%s" % paramName
+
+ else: # a vector parameter that needs conversion
+ # We'll need an index variable for conversions
+ if " register unsigned int i;" not in variables:
+ variables.append(" register unsigned int i;")
+
+ # This variable will hold the (possibly variant) size of
+ # this array needing conversion. By default, we'll set
+ # it to the maximal size (which is correct for functions
+ # with a constant-sized vector parameter); for true
+ # variant arrays, we'll modify it with other code.
+ variables.append(" unsigned int n_%s = %d;" % (paramName, paramMaxVecSize))
+
+ # This array will hold the actual converted values.
+ variables.append(" %s converted_%s[%d];" % (paramConvertToType, paramName, paramMaxVecSize))
+
+ # Again, we choose the conversion code based on whether we
+ # have to always convert values, never convert values, or
+ # conditionally convert values.
+ if paramValueConversion == "none":
+ conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeOutgoing.append(" converted_%s[i] = (%s) %s[i];" % (paramName, paramConvertToType, paramName))
+ conversionCodeOutgoing.append(" }")
+ elif paramValueConversion == "some":
+ # We'll need a conditional variable to keep track of
+ # whether we're converting values or not.
+ if (" int convert_%s_value = 1;" % paramName) not in variables:
+ variables.append(" int convert_%s_value = 1;" % paramName)
+ # Write code based on that conditional.
+ conversionCodeOutgoing.append(" if (convert_%s_value) {" % paramName)
+ conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeOutgoing.append(" converted_%s[i] = %s;" % (paramName, ConvertValue("%s[i]" % paramName, paramBaseType, paramConvertToType)))
+ conversionCodeOutgoing.append(" }")
+ conversionCodeOutgoing.append(" } else {")
+ conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeOutgoing.append(" converted_%s[i] = (%s) %s[i];" % (paramName, paramConvertToType, paramName))
+ conversionCodeOutgoing.append(" }")
+ conversionCodeOutgoing.append(" }")
+ else: # paramValueConversion == "all"
+ conversionCodeOutgoing.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeOutgoing.append(" converted_%s[i] = %s;" % (paramName, ConvertValue("%s[i]" % paramName, paramBaseType, paramConvertToType)))
+
+ conversionCodeOutgoing.append(" }")
+
+ # If instead we need an incoming conversion (i.e. results
+ # from Mesa have to be converted before handing back
+ # to the application), this is it. Fortunately, we don't
+ # have to worry about conditional value conversion - the
+ # functions that do (e.g. glGetFixedv()) are handled
+ # specially, outside this code generation.
+ #
+ # Whether we use incoming conversion or outgoing conversion
+ # is determined later - we only ever use one or the other.
+
+ if paramValueConversion == "none":
+ conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeIncoming.append(" %s[i] = (%s) converted_%s[i];" % (paramName, paramConvertToType, paramName))
+ conversionCodeIncoming.append(" }")
+ elif paramValueConversion == "some":
+ # We'll need a conditional variable to keep track of
+ # whether we're converting values or not.
+ if (" int convert_%s_value = 1;" % paramName) not in variables:
+ variables.append(" int convert_%s_value = 1;" % paramName)
+
+ # Write code based on that conditional.
+ conversionCodeIncoming.append(" if (convert_%s_value) {" % paramName)
+ conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeIncoming.append(" %s[i] = %s;" % (paramName, ConvertValue("converted_%s[i]" % paramName, paramConvertToType, paramBaseType)))
+ conversionCodeIncoming.append(" }")
+ conversionCodeIncoming.append(" } else {")
+ conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeIncoming.append(" %s[i] = (%s) converted_%s[i];" % (paramName, paramBaseType, paramName))
+ conversionCodeIncoming.append(" }")
+ conversionCodeIncoming.append(" }")
+ else: # paramValueConversion == "all"
+ conversionCodeIncoming.append(" for (i = 0; i < n_%s; i++) {" % paramName)
+ conversionCodeIncoming.append(" %s[i] = %s;" % (paramName, ConvertValue("converted_%s[i]" % paramName, paramConvertToType, paramBaseType)))
+ conversionCodeIncoming.append(" }")
+
+ # Call strings. The unusual " ".join() call will join the
+ # array of parameter modifiers with spaces as separators.
+ passthroughDeclarationString += ", %s %s %s" % (paramConvertToType, " ".join(paramTypeModifiers), paramName)
+ passthroughCallString += ", converted_%s" % paramName
+
+ # endif conversion management
+
+ # Parameter checking. If the parameter has a specific list of
+ # valid values, we have to make sure that the passed-in values
+ # match these, or we make an error.
+ if len(paramValidValues) > 0:
+ # We're about to make a big switch statement with an
+ # error at the end. By default, the error is GL_INVALID_ENUM,
+ # unless we find a "case" statement in the middle with a
+ # non-GLenum value.
+ errorDefaultCase = "GL_INVALID_ENUM"
+
+ # This parameter has specific valid values. Make a big
+ # switch statement to handle it. Note that the original
+ # parameters are always what is checked, not the
+ # converted parameters.
+ switchCode.append(" switch(%s) {" % paramName)
+
+ for valueIndex in range(len(paramValidValues)):
+ (paramValue, dependentVecSize, dependentParamName, dependentValidValues, errorCode, valueConvert) = paramValidValues[valueIndex]
+
+ # We're going to need information on the dependent param
+ # as well.
+ if dependentParamName:
+ depParamIndex = apiutil.FindParamIndex(params, dependentParamName)
+ if depParamIndex == None:
+ sys.stderr.write("%s: can't find dependent param '%s' for function '%s'\n" % (program, dependentParamName, funcName))
+
+ (depParamName, depParamType, depParamMaxVecSize, depParamConvertToType, depParamValidValues, depParamValueConversion) = params[depParamIndex]
+ else:
+ (depParamName, depParamType, depParamMaxVecSize, depParamConvertToType, depParamValidValues, depParamValueConversion) = (None, None, None, None, [], None)
+
+ # This is a sneaky trick. It's valid syntax for a parameter
+ # that is *not* going to be converted to be declared
+ # with a dependent vector size; but in this case, the
+ # dependent vector size is unused and unnecessary.
+ # So check for this and ignore the dependent vector size
+ # if the parameter is not going to be converted.
+ if depParamConvertToType:
+ usedDependentVecSize = dependentVecSize
+ else:
+ usedDependentVecSize = None
+
+ # We'll peek ahead at the next parameter, to see whether
+ # we can combine cases
+ if valueIndex + 1 < len(paramValidValues) :
+ (nextParamValue, nextDependentVecSize, nextDependentParamName, nextDependentValidValues, nextErrorCode, nextValueConvert) = paramValidValues[valueIndex + 1]
+ if depParamConvertToType:
+ usedNextDependentVecSize = nextDependentVecSize
+ else:
+ usedNextDependentVecSize = None
+
+ # Create a case for this value. As a mnemonic,
+ # if we have a dependent vector size that we're ignoring,
+ # add it as a comment.
+ if usedDependentVecSize == None and dependentVecSize != None:
+ switchCode.append(" case %s: /* size %s */" % (paramValue, dependentVecSize))
+ else:
+ switchCode.append(" case %s:" % paramValue)
+
+ # If this is not a GLenum case, then switch our error
+ # if no value is matched to be GL_INVALID_VALUE instead
+ # of GL_INVALID_ENUM. (Yes, this does get confused
+ # if there are both values and GLenums in the same
+ # switch statement, which shouldn't happen.)
+ if paramValue[0:3] != "GL_":
+ errorDefaultCase = "GL_INVALID_VALUE"
+
+ # If all the remaining parameters are identical to the
+ # next set, then we're done - we'll just create the
+ # official code on the next pass through, and the two
+ # cases will share the code.
+ if valueIndex + 1 < len(paramValidValues) and usedDependentVecSize == usedNextDependentVecSize and dependentParamName == nextDependentParamName and dependentValidValues == nextDependentValidValues and errorCode == nextErrorCode and valueConvert == nextValueConvert:
+ continue
+
+ # Otherwise, we'll have to generate code for this case.
+ # Start off with a check: if there is a dependent parameter,
+ # and a list of valid values for that parameter, we need
+ # to generate an error if something other than one
+ # of those values is passed.
+ if len(dependentValidValues) > 0:
+ conditional=""
+
+ # If the parameter being checked is actually an array,
+ # check only its first element.
+ if depParamMaxVecSize == 0:
+ valueToCheck = dependentParamName
+ else:
+ valueToCheck = "%s[0]" % dependentParamName
+
+ for v in dependentValidValues:
+ conditional += " && %s != %s" % (valueToCheck, v)
+ switchCode.append(" if (%s) {" % conditional[4:])
+ if errorCode == None:
+ errorCode = "GL_INVALID_ENUM"
+ switchCode.append(' _mesa_error(_mesa_get_current_context(), %s, "gl%s(%s=0x%s)", %s);' % (errorCode, funcName, paramName, "%x", paramName))
+ switchCode.append(" %s;" % errorReturn)
+ switchCode.append(" }")
+ # endif there are dependent valid values
+
+ # The dependent parameter may require conditional
+ # value conversion. If it does, and we don't want
+ # to convert values, we'll have to generate code for that
+ if depParamValueConversion == "some" and valueConvert == "noconvert":
+ switchCode.append(" convert_%s_value = 0;" % dependentParamName)
+
+ # If there's a dependent vector size for this parameter
+ # that we're actually going to use (i.e. we need conversion),
+ # mark it.
+ if usedDependentVecSize:
+ switchCode.append(" n_%s = %s;" % (dependentParamName, dependentVecSize))
+
+ # In all cases, break out of the switch if any valid
+ # value is found.
+ switchCode.append(" break;")
+
+
+ # Need a default case to catch all the other, invalid
+ # parameter values. These will all generate errors.
+ switchCode.append(" default:")
+ if errorCode == None:
+ errorCode = "GL_INVALID_ENUM"
+ formatString = GetFormatString(paramType)
+ if formatString == None:
+ switchCode.append(' _mesa_error(_mesa_get_current_context(), %s, "gl%s(%s)");' % (errorCode, funcName, paramName))
+ else:
+ switchCode.append(' _mesa_error(_mesa_get_current_context(), %s, "gl%s(%s=%s)", %s);' % (errorCode, funcName, paramName, formatString, paramName))
+ switchCode.append(" %s;" % errorReturn)
+
+ # End of our switch code.
+ switchCode.append(" }")
+
+ # endfor every recognized parameter value
+
+ # endfor every param
+
+ # Here, the passthroughDeclarationString and passthroughCallString
+ # are complete; remove the extra ", " at the front of each.
+ passthroughDeclarationString = passthroughDeclarationString[2:]
+ passthroughCallString = passthroughCallString[2:]
+ if not passthroughDeclarationString:
+ passthroughDeclarationString = "void"
+
+ # The Mesa functions are scattered across all the Mesa
+ # header files. The easiest way to manage declarations
+ # is to create them ourselves.
+ if funcName in allSpecials:
+ print "/* this function is special and is defined elsewhere */"
+ print "extern %s GL_APIENTRY %s(%s);" % (returnType, passthroughFuncName, passthroughDeclarationString)
+
+ # A function may be a core function (i.e. it exists in
+ # the core specification), a core addition (extension
+ # functions added officially to the core), a required
+ # extension (usually an extension for an earlier version
+ # that has been officially adopted), or an optional extension.
+ #
+ # Core functions have a simple category (e.g. "GLES1.1");
+ # we generate only a simple callback for them.
+ #
+ # Core additions have two category listings, one simple
+ # and one compound (e.g. ["GLES1.1", "GLES1.1:OES_fixed_point"]).
+ # We generate the core function, and also an extension function.
+ #
+ # Required extensions and implemented optional extensions
+ # have a single compound category "GLES1.1:OES_point_size_array".
+ # For these we generate just the extension function.
+ for categorySpec in apiutil.Categories(funcName):
+ compoundCategory = categorySpec.split(":")
+
+ # This category isn't for us, if the base category doesn't match
+ # our version
+ if compoundCategory[0] != version:
+ continue
+
+ # Otherwise, determine if we're writing code for a core
+ # function (no suffix) or an extension function.
+ if len(compoundCategory) == 1:
+ # This is a core function
+ extensionName = None
+ extensionSuffix = ""
+ else:
+ # This is an extension function. We'll need to append
+ # the extension suffix.
+ extensionName = compoundCategory[1]
+ extensionSuffix = extensionName.split("_")[0]
+ fullFuncName = funcPrefix + funcName + extensionSuffix
+
+ # Now the generated function. The text used to mark an API-level
+ # function, oddly, is version-specific.
+ if extensionName:
+ print "/* Extension %s */" % extensionName
+
+ if (not variables and
+ not switchCode and
+ not conversionCodeOutgoing and
+ not conversionCodeIncoming):
+ # pass through directly
+ print "#define %s %s" % (fullFuncName, passthroughFuncName)
+ print
+ continue
+
+ print "static %s GL_APIENTRY %s(%s)" % (returnType, fullFuncName, declarationString)
+ print "{"
+
+ # Start printing our code pieces. Start with any local
+ # variables we need. This unusual syntax joins the
+ # lines in the variables[] array with the "\n" separator.
+ if len(variables) > 0:
+ print "\n".join(variables) + "\n"
+
+ # If there's any sort of parameter checking or variable
+ # array sizing, the switch code will contain it.
+ if len(switchCode) > 0:
+ print "\n".join(switchCode) + "\n"
+
+ # In the case of an outgoing conversion (i.e. parameters must
+ # be converted before calling the underlying Mesa function),
+ # use the appropriate code.
+ if "get" not in props and len(conversionCodeOutgoing) > 0:
+ print "\n".join(conversionCodeOutgoing) + "\n"
+
+ # Call the Mesa function. Note that there are very few functions
+ # that return a value (i.e. returnType is not "void"), and that
+ # none of them require incoming translation; so we're safe
+ # to generate code that directly returns in those cases,
+ # even though it's not completely independent.
+
+ if returnType == "void":
+ print " %s(%s);" % (passthroughFuncName, passthroughCallString)
+ else:
+ print " return %s(%s);" % (passthroughFuncName, passthroughCallString)
+
+ # If the function is one that returns values (i.e. "get" in props),
+ # it might return values of a different type than we need, that
+ # require conversion before passing back to the application.
+ if "get" in props and len(conversionCodeIncoming) > 0:
+ print "\n".join(conversionCodeIncoming)
+
+ # All done.
+ print "}"
+ print
+ # end for each category provided for a function
+
+# end for each function
+
+print """
+#include "glapi/glapi.h"
+
+#if FEATURE_remap_table
+
+/* cannot include main/dispatch.h here */
+#define _GLAPI_USE_REMAP_TABLE
+#include "%sapi/main/glapidispatch.h"
+
+#define need_MESA_remap_table
+#include "%sapi/main/remap_helper.h"
+
+static void
+init_remap_table(void)
+{
+ _glthread_DECLARE_STATIC_MUTEX(mutex);
+ static GLboolean initialized = GL_FALSE;
+ const struct gl_function_pool_remap *remap = MESA_remap_table_functions;
+ int i;
+
+ _glthread_LOCK_MUTEX(mutex);
+ if (initialized) {
+ _glthread_UNLOCK_MUTEX(mutex);
+ return;
+ }
+
+ for (i = 0; i < driDispatchRemapTable_size; i++) {
+ GLint offset;
+ const char *spec;
+
+ /* sanity check */
+ ASSERT(i == remap[i].remap_index);
+ spec = _mesa_function_pool + remap[i].pool_index;
+
+ offset = _mesa_map_function_spec(spec);
+ remap_table[i] = offset;
+ }
+ initialized = GL_TRUE;
+ _glthread_UNLOCK_MUTEX(mutex);
+}
+
+#else /* FEATURE_remap_table */
+
+/* cannot include main/dispatch.h here */
+#include "%sapi/main/glapidispatch.h"
+
+static INLINE void
+init_remap_table(void)
+{
+}
+
+#endif /* FEATURE_remap_table */
+
+struct _glapi_table *
+_mesa_create_exec_table_%s(void)
+{
+ struct _glapi_table *exec;
+
+ exec = _mesa_alloc_dispatch_table(_gloffset_COUNT);
+ if (exec == NULL)
+ return NULL;
+
+ init_remap_table();
+""" % (shortname, shortname, shortname, shortname)
+
+for func in keys:
+ prefix = "_es_" if func not in allSpecials else "_check_"
+ for spec in apiutil.Categories(func):
+ ext = spec.split(":")
+ # version does not match
+ if ext.pop(0) != version:
+ continue
+ entry = func
+ if ext:
+ suffix = ext[0].split("_")[0]
+ entry += suffix
+ print " SET_%s(exec, %s%s);" % (entry, prefix, entry)
+print ""
+print " return exec;"
+print "}"
+
+print """
+#endif /* FEATURE_%s */""" % (shortname.upper())
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index f0f30fe0a..e88ba4397 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -1,1848 +1,1850 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2008-2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "imports.h"
-#include "formats.h"
-#include "mfeatures.h"
-
-
-/**
- * Information about texture formats.
- */
-struct gl_format_info
-{
- gl_format Name;
-
- /** text name for debugging */
- const char *StrName;
-
- /**
- * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
- * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
- * GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX,
- * GL_DEPTH_STENCIL, GL_DUDV_ATI.
- */
- GLenum BaseFormat;
-
- /**
- * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
- * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
- */
- GLenum DataType;
-
- GLubyte RedBits;
- GLubyte GreenBits;
- GLubyte BlueBits;
- GLubyte AlphaBits;
- GLubyte LuminanceBits;
- GLubyte IntensityBits;
- GLubyte IndexBits;
- GLubyte DepthBits;
- GLubyte StencilBits;
-
- /**
- * To describe compressed formats. If not compressed, Width=Height=1.
- */
- GLubyte BlockWidth, BlockHeight;
- GLubyte BytesPerBlock;
-};
-
-
-/**
- * Info about each format.
- * These must be in the same order as the MESA_FORMAT_* enums so that
- * we can do lookups without searching.
- */
-static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
-{
- {
- MESA_FORMAT_NONE, /* Name */
- "MESA_FORMAT_NONE", /* StrName */
- GL_NONE, /* BaseFormat */
- GL_NONE, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 0, 0, 0 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGBA8888, /* Name */
- "MESA_FORMAT_RGBA8888", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGBA8888_REV, /* Name */
- "MESA_FORMAT_RGBA8888_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB8888, /* Name */
- "MESA_FORMAT_ARGB8888", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB8888_REV, /* Name */
- "MESA_FORMAT_ARGB8888_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_XRGB8888, /* Name */
- "MESA_FORMAT_XRGB8888", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_XRGB8888_REV, /* Name */
- "MESA_FORMAT_XRGB8888_REV", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB888, /* Name */
- "MESA_FORMAT_RGB888", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 3 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_BGR888, /* Name */
- "MESA_FORMAT_BGR888", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 3 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB565, /* Name */
- "MESA_FORMAT_RGB565", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB565_REV, /* Name */
- "MESA_FORMAT_RGB565_REV", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB4444, /* Name */
- "MESA_FORMAT_ARGB4444", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB4444_REV, /* Name */
- "MESA_FORMAT_ARGB4444_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGBA5551, /* Name */
- "MESA_FORMAT_RGBA5551", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB1555, /* Name */
- "MESA_FORMAT_ARGB1555", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB1555_REV, /* Name */
- "MESA_FORMAT_ARGB1555_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL44, /* Name */
- "MESA_FORMAT_AL44", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
- 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL88, /* Name */
- "MESA_FORMAT_AL88", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
- 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL88_REV, /* Name */
- "MESA_FORMAT_AL88_REV", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
- 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL1616, /* Name */
- "MESA_FORMAT_AL1616", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
- 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL1616_REV, /* Name */
- "MESA_FORMAT_AL1616_REV", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
- 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB332, /* Name */
- "MESA_FORMAT_RGB332", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_A8, /* Name */
- "MESA_FORMAT_A8", /* StrName */
- GL_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_A16, /* Name */
- "MESA_FORMAT_A16", /* StrName */
- GL_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_L8, /* Name */
- "MESA_FORMAT_L8", /* StrName */
- GL_LUMINANCE, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_L16, /* Name */
- "MESA_FORMAT_L16", /* StrName */
- GL_LUMINANCE, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_I8, /* Name */
- "MESA_FORMAT_I8", /* StrName */
- GL_INTENSITY, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_I16, /* Name */
- "MESA_FORMAT_I16", /* StrName */
- GL_INTENSITY, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_CI8, /* Name */
- "MESA_FORMAT_CI8", /* StrName */
- GL_COLOR_INDEX, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 8, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_YCBCR, /* Name */
- "MESA_FORMAT_YCBCR", /* StrName */
- GL_YCBCR_MESA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_YCBCR_REV, /* Name */
- "MESA_FORMAT_YCBCR_REV", /* StrName */
- GL_YCBCR_MESA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_R8,
- "MESA_FORMAT_R8",
- GL_RED,
- GL_UNSIGNED_NORMALIZED,
- 8, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_RG88,
- "MESA_FORMAT_RG88",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_RG88_REV,
- "MESA_FORMAT_RG88_REV",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_R16,
- "MESA_FORMAT_R16",
- GL_RED,
- GL_UNSIGNED_NORMALIZED,
- 16, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_RG1616,
- "MESA_FORMAT_RG1616",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_RG1616_REV,
- "MESA_FORMAT_RG1616_REV",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_ARGB2101010,
- "MESA_FORMAT_ARGB2101010",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 10, 10, 10, 2,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_Z24_S8, /* Name */
- "MESA_FORMAT_Z24_S8", /* StrName */
- GL_DEPTH_STENCIL, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_S8_Z24, /* Name */
- "MESA_FORMAT_S8_Z24", /* StrName */
- GL_DEPTH_STENCIL, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_Z16, /* Name */
- "MESA_FORMAT_Z16", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_X8_Z24, /* Name */
- "MESA_FORMAT_X8_Z24", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_Z24_X8, /* Name */
- "MESA_FORMAT_Z24_X8", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_Z32, /* Name */
- "MESA_FORMAT_Z32", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_S8, /* Name */
- "MESA_FORMAT_S8", /* StrName */
- GL_STENCIL_INDEX, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_SRGB8,
- "MESA_FORMAT_SRGB8",
- GL_RGB,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 8, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 3
- },
- {
- MESA_FORMAT_SRGBA8,
- "MESA_FORMAT_SRGBA8",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SARGB8,
- "MESA_FORMAT_SARGB8",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SL8,
- "MESA_FORMAT_SL8",
- GL_LUMINANCE,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 8, 0, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_SLA8,
- "MESA_FORMAT_SLA8",
- GL_LUMINANCE_ALPHA,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 8,
- 8, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SRGB_DXT1, /* Name */
- "MESA_FORMAT_SRGB_DXT1", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SRGBA_DXT1,
- "MESA_FORMAT_SRGBA_DXT1",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SRGBA_DXT3,
- "MESA_FORMAT_SRGBA_DXT3",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SRGBA_DXT5,
- "MESA_FORMAT_SRGBA_DXT5",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
-
- {
- MESA_FORMAT_RGB_FXT1,
- "MESA_FORMAT_RGB_FXT1",
- GL_RGB,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 0, /* approx Red/Green/BlueBits */
- 0, 0, 0, 0, 0,
- 8, 4, 16 /* 16 bytes per 8x4 block */
- },
- {
- MESA_FORMAT_RGBA_FXT1,
- "MESA_FORMAT_RGBA_FXT1",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0,
- 8, 4, 16 /* 16 bytes per 8x4 block */
- },
-
- {
- MESA_FORMAT_RGB_DXT1, /* Name */
- "MESA_FORMAT_RGB_DXT1", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_DXT1,
- "MESA_FORMAT_RGBA_DXT1",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_DXT3,
- "MESA_FORMAT_RGBA_DXT3",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_DXT5,
- "MESA_FORMAT_RGBA_DXT5",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_FLOAT32,
- "MESA_FORMAT_RGBA_FLOAT32",
- GL_RGBA,
- GL_FLOAT,
- 32, 32, 32, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 16
- },
- {
- MESA_FORMAT_RGBA_FLOAT16,
- "MESA_FORMAT_RGBA_FLOAT16",
- GL_RGBA,
- GL_FLOAT,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGB_FLOAT32,
- "MESA_FORMAT_RGB_FLOAT32",
- GL_RGB,
- GL_FLOAT,
- 32, 32, 32, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 12
- },
- {
- MESA_FORMAT_RGB_FLOAT16,
- "MESA_FORMAT_RGB_FLOAT16",
- GL_RGB,
- GL_FLOAT,
- 16, 16, 16, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 6
- },
- {
- MESA_FORMAT_ALPHA_FLOAT32,
- "MESA_FORMAT_ALPHA_FLOAT32",
- GL_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_ALPHA_FLOAT16,
- "MESA_FORMAT_ALPHA_FLOAT16",
- GL_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT32,
- "MESA_FORMAT_LUMINANCE_FLOAT32",
- GL_LUMINANCE,
- GL_FLOAT,
- 0, 0, 0, 0,
- 32, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT16,
- "MESA_FORMAT_LUMINANCE_FLOAT16",
- GL_LUMINANCE,
- GL_FLOAT,
- 0, 0, 0, 0,
- 16, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
- "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
- GL_LUMINANCE_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 32,
- 32, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
- "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
- GL_LUMINANCE_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 16,
- 16, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT32,
- "MESA_FORMAT_INTENSITY_FLOAT32",
- GL_INTENSITY,
- GL_FLOAT,
- 0, 0, 0, 0,
- 0, 32, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT16,
- "MESA_FORMAT_INTENSITY_FLOAT16",
- GL_INTENSITY,
- GL_FLOAT,
- 0, 0, 0, 0,
- 0, 16, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_R_FLOAT32,
- "MESA_FORMAT_R_FLOAT32",
- GL_RED,
- GL_FLOAT,
- 32, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_R_FLOAT16,
- "MESA_FORMAT_R_FLOAT16",
- GL_RED,
- GL_FLOAT,
- 16, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_RG_FLOAT32,
- "MESA_FORMAT_RG_FLOAT32",
- GL_RG,
- GL_FLOAT,
- 32, 32, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RG_FLOAT16,
- "MESA_FORMAT_RG_FLOAT16",
- GL_RG,
- GL_FLOAT,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
-
- /* unnormalized signed int formats */
- {
- MESA_FORMAT_RGBA_INT8,
- "MESA_FORMAT_RGBA_INT8",
- GL_RGBA,
- GL_INT,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_RGBA_INT16,
- "MESA_FORMAT_RGBA_INT16",
- GL_RGBA,
- GL_INT,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGBA_INT32,
- "MESA_FORMAT_RGBA_INT32",
- GL_RGBA,
- GL_INT,
- 32, 32, 32, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 16
- },
-
- /* unnormalized unsigned int formats */
- {
- MESA_FORMAT_RGBA_UINT8,
- "MESA_FORMAT_RGBA_UINT8",
- GL_RGBA,
- GL_UNSIGNED_INT,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_RGBA_UINT16,
- "MESA_FORMAT_RGBA_UINT16",
- GL_RGBA,
- GL_UNSIGNED_INT,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGBA_UINT32,
- "MESA_FORMAT_RGBA_UINT32",
- GL_RGBA,
- GL_UNSIGNED_INT,
- 32, 32, 32, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 16
- },
-
-
- {
- MESA_FORMAT_DUDV8,
- "MESA_FORMAT_DUDV8",
- GL_DUDV_ATI,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
-
- /* Signed 8 bits / channel */
- {
- MESA_FORMAT_SIGNED_R8, /* Name */
- "MESA_FORMAT_SIGNED_R8", /* StrName */
- GL_RED, /* BaseFormat */
- GL_SIGNED_NORMALIZED, /* DataType */
- 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_SIGNED_RG88_REV,
- "MESA_FORMAT_SIGNED_RG88_REV",
- GL_RG,
- GL_SIGNED_NORMALIZED,
- 8, 8, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_RGBX8888,
- "MESA_FORMAT_SIGNED_RGBX8888",
- GL_RGB,
- GL_SIGNED_NORMALIZED,
- 8, 8, 8, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4 /* 4 bpp, but no alpha */
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888,
- "MESA_FORMAT_SIGNED_RGBA8888",
- GL_RGBA,
- GL_SIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888_REV,
- "MESA_FORMAT_SIGNED_RGBA8888_REV",
- GL_RGBA,
- GL_SIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
-
- /* Signed 16 bits / channel */
- {
- MESA_FORMAT_SIGNED_R16,
- "MESA_FORMAT_SIGNED_R16",
- GL_RED,
- GL_SIGNED_NORMALIZED,
- 16, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_GR1616,
- "MESA_FORMAT_SIGNED_GR1616",
- GL_RG,
- GL_SIGNED_NORMALIZED,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SIGNED_RGB_16,
- "MESA_FORMAT_SIGNED_RGB_16",
- GL_RGB,
- GL_SIGNED_NORMALIZED,
- 16, 16, 16, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 6
- },
- {
- MESA_FORMAT_SIGNED_RGBA_16,
- "MESA_FORMAT_SIGNED_RGBA_16",
- GL_RGBA,
- GL_SIGNED_NORMALIZED,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGBA_16,
- "MESA_FORMAT_RGBA_16",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RED_RGTC1,
- "MESA_FORMAT_RED_RGTC1",
- GL_RED,
- GL_UNSIGNED_NORMALIZED,
- 4, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_RED_RGTC1,
- "MESA_FORMAT_SIGNED_RED_RGTC1",
- GL_RED,
- GL_SIGNED_NORMALIZED,
- 4, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RG_RGTC2,
- "MESA_FORMAT_RG_RGTC2",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_RG_RGTC2,
- "MESA_FORMAT_SIGNED_RG_RGTC2",
- GL_RG,
- GL_SIGNED_NORMALIZED,
- 4, 4, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_L_LATC1,
- "MESA_FORMAT_L_LATC1",
- GL_LUMINANCE,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 4, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_L_LATC1,
- "MESA_FORMAT_SIGNED_L_LATC1",
- GL_LUMINANCE,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 4, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_LA_LATC2,
- "MESA_FORMAT_LA_LATC2",
- GL_LUMINANCE_ALPHA,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 4,
- 4, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_LA_LATC2,
- "MESA_FORMAT_SIGNED_LA_LATC2",
- GL_LUMINANCE_ALPHA,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 4,
- 4, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
-
- /* Signed formats from EXT_texture_snorm that are not in GL3.1 */
- {
- MESA_FORMAT_SIGNED_A8,
- "MESA_FORMAT_SIGNED_A8",
- GL_ALPHA,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_SIGNED_L8,
- "MESA_FORMAT_SIGNED_L8",
- GL_LUMINANCE,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 8, 0, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_SIGNED_AL88,
- "MESA_FORMAT_SIGNED_AL88",
- GL_LUMINANCE_ALPHA,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 8,
- 8, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_I8,
- "MESA_FORMAT_SIGNED_I8",
- GL_INTENSITY,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 0, 8, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_SIGNED_A16,
- "MESA_FORMAT_SIGNED_A16",
- GL_ALPHA,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_L16,
- "MESA_FORMAT_SIGNED_L16",
- GL_LUMINANCE,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 16, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_AL1616,
- "MESA_FORMAT_SIGNED_AL1616",
- GL_LUMINANCE_ALPHA,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 16,
- 16, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SIGNED_I16,
- "MESA_FORMAT_SIGNED_I16",
- GL_INTENSITY,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 0, 16, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_RGB9_E5_FLOAT,
- "MESA_FORMAT_RGB9_E5",
- GL_RGB,
- GL_FLOAT,
- 9, 9, 9, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_R11_G11_B10_FLOAT,
- "MESA_FORMAT_R11_G11_B10_FLOAT",
- GL_RGB,
- GL_FLOAT,
- 11, 11, 10, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
-};
-
-
-
-static const struct gl_format_info *
-_mesa_get_format_info(gl_format format)
-{
- const struct gl_format_info *info = &format_info[format];
- assert(info->Name == format);
- return info;
-}
-
-
-/** Return string name of format (for debugging) */
-const char *
-_mesa_get_format_name(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->StrName;
-}
-
-
-
-/**
- * Return bytes needed to store a block of pixels in the given format.
- * Normally, a block is 1x1 (a single pixel). But for compressed formats
- * a block may be 4x4 or 8x4, etc.
- */
-GLuint
-_mesa_get_format_bytes(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- ASSERT(info->BytesPerBlock);
- return info->BytesPerBlock;
-}
-
-
-/**
- * Return bits per component for the given format.
- * \param format one of MESA_FORMAT_x
- * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
- */
-GLint
-_mesa_get_format_bits(gl_format format, GLenum pname)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
-
- switch (pname) {
- case GL_RED_BITS:
- case GL_TEXTURE_RED_SIZE:
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- return info->RedBits;
- case GL_GREEN_BITS:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- return info->GreenBits;
- case GL_BLUE_BITS:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- return info->BlueBits;
- case GL_ALPHA_BITS:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- return info->AlphaBits;
- case GL_TEXTURE_INTENSITY_SIZE:
- return info->IntensityBits;
- case GL_TEXTURE_LUMINANCE_SIZE:
- return info->LuminanceBits;
- case GL_INDEX_BITS:
- case GL_TEXTURE_INDEX_SIZE_EXT:
- return info->IndexBits;
- case GL_DEPTH_BITS:
- case GL_TEXTURE_DEPTH_SIZE_ARB:
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- return info->DepthBits;
- case GL_STENCIL_BITS:
- case GL_TEXTURE_STENCIL_SIZE_EXT:
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- return info->StencilBits;
- default:
- _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
- return 0;
- }
-}
-
-
-/**
- * Return the data type (or more specifically, the data representation)
- * for the given format.
- * The return value will be one of:
- * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
- * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
- * GL_UNSIGNED_INT = an ordinary unsigned integer
- * GL_INT = an ordinary signed integer
- * GL_FLOAT = an ordinary float
- */
-GLenum
-_mesa_get_format_datatype(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->DataType;
-}
-
-
-/**
- * Return the basic format for the given type. The result will be
- * one of GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
- * GL_INTENSITY, GL_YCBCR_MESA, GL_COLOR_INDEX, GL_DEPTH_COMPONENT,
- * GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
- */
-GLenum
-_mesa_get_format_base_format(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->BaseFormat;
-}
-
-
-/**
- * Return the block size (in pixels) for the given format. Normally
- * the block size is 1x1. But compressed formats will have block sizes
- * of 4x4 or 8x4 pixels, etc.
- * \param bw returns block width in pixels
- * \param bh returns block height in pixels
- */
-void
-_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- *bw = info->BlockWidth;
- *bh = info->BlockHeight;
-}
-
-
-/** Is the given format a compressed format? */
-GLboolean
-_mesa_is_format_compressed(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->BlockWidth > 1 || info->BlockHeight > 1;
-}
-
-
-/**
- * Determine if the given format represents a packed depth/stencil buffer.
- */
-GLboolean
-_mesa_is_format_packed_depth_stencil(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
-
- return info->BaseFormat == GL_DEPTH_STENCIL;
-}
-
-
-/**
- * Is the given format a signed/unsigned integer color format?
- */
-GLboolean
-_mesa_is_format_integer_color(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
- info->BaseFormat != GL_DEPTH_COMPONENT &&
- info->BaseFormat != GL_DEPTH_STENCIL &&
- info->BaseFormat != GL_STENCIL_INDEX;
-}
-
-
-/**
- * Return color encoding for given format.
- * \return GL_LINEAR or GL_SRGB
- */
-GLenum
-_mesa_get_format_color_encoding(gl_format format)
-{
- /* XXX this info should be encoded in gl_format_info */
- switch (format) {
- case MESA_FORMAT_SRGB8:
- case MESA_FORMAT_SRGBA8:
- case MESA_FORMAT_SARGB8:
- case MESA_FORMAT_SL8:
- case MESA_FORMAT_SLA8:
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
- return GL_SRGB;
- default:
- return GL_LINEAR;
- }
-}
-
-
-/**
- * For an sRGB format, return the corresponding linear color space format.
- * For non-sRGB formats, return the format as-is.
- */
-gl_format
-_mesa_get_srgb_format_linear(gl_format format)
-{
- switch (format) {
- case MESA_FORMAT_SRGB8:
- format = MESA_FORMAT_RGB888;
- break;
- case MESA_FORMAT_SRGBA8:
- format = MESA_FORMAT_RGBA8888;
- break;
- case MESA_FORMAT_SARGB8:
- format = MESA_FORMAT_ARGB8888;
- break;
- case MESA_FORMAT_SL8:
- format = MESA_FORMAT_L8;
- break;
- case MESA_FORMAT_SLA8:
- format = MESA_FORMAT_AL88;
- break;
- case MESA_FORMAT_SRGB_DXT1:
- format = MESA_FORMAT_RGB_DXT1;
- break;
- case MESA_FORMAT_SRGBA_DXT1:
- format = MESA_FORMAT_RGBA_DXT1;
- break;
- case MESA_FORMAT_SRGBA_DXT3:
- format = MESA_FORMAT_RGBA_DXT3;
- break;
- case MESA_FORMAT_SRGBA_DXT5:
- format = MESA_FORMAT_RGBA_DXT5;
- break;
- default:
- break;
- }
- return format;
-}
-
-
-/**
- * Return number of bytes needed to store an image of the given size
- * in the given format.
- */
-GLuint
-_mesa_format_image_size(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- /* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format (2D only for now) */
- const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
- const GLuint wblocks = (width + bw - 1) / bw;
- const GLuint hblocks = (height + bh - 1) / bh;
- const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
- assert(depth == 1);
- return sz;
- }
- else {
- /* non-compressed */
- const GLuint sz = width * height * depth * info->BytesPerBlock;
- return sz;
- }
-}
-
-
-/**
- * Same as _mesa_format_image_size() but returns a 64-bit value to
- * accomodate very large textures.
- */
-uint64_t
-_mesa_format_image_size64(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- /* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format (2D only for now) */
- const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
- const uint64_t wblocks = (width + bw - 1) / bw;
- const uint64_t hblocks = (height + bh - 1) / bh;
- const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
- assert(depth == 1);
- return sz;
- }
- else {
- /* non-compressed */
- const uint64_t sz = ((uint64_t) width *
- (uint64_t) height *
- (uint64_t) depth *
- info->BytesPerBlock);
- return sz;
- }
-}
-
-
-
-GLint
-_mesa_format_row_stride(gl_format format, GLsizei width)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- /* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format */
- const GLuint bw = info->BlockWidth;
- const GLuint wblocks = (width + bw - 1) / bw;
- const GLint stride = wblocks * info->BytesPerBlock;
- return stride;
- }
- else {
- const GLint stride = width * info->BytesPerBlock;
- return stride;
- }
-}
-
-
-/**
- * Debug/test: check that all formats are handled in the
- * _mesa_format_to_type_and_comps() function. When new pixel formats
- * are added to Mesa, that function needs to be updated.
- * This is a no-op after the first call.
- */
-static void
-check_format_to_type_and_comps(void)
-{
- gl_format f;
-
- for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
- GLenum datatype = 0;
- GLuint comps = 0;
- /* This function will emit a problem/warning if the format is
- * not handled.
- */
- _mesa_format_to_type_and_comps(f, &datatype, &comps);
- }
-}
-
-
-/**
- * Do sanity checking of the format info table.
- */
-void
-_mesa_test_formats(void)
-{
- GLuint i;
-
- assert(Elements(format_info) == MESA_FORMAT_COUNT);
-
- for (i = 0; i < MESA_FORMAT_COUNT; i++) {
- const struct gl_format_info *info = _mesa_get_format_info(i);
- assert(info);
-
- assert(info->Name == i);
-
- if (info->Name == MESA_FORMAT_NONE)
- continue;
-
- if (info->BlockWidth == 1 && info->BlockHeight == 1) {
- if (info->RedBits > 0) {
- GLuint t = info->RedBits + info->GreenBits
- + info->BlueBits + info->AlphaBits;
- assert(t / 8 <= info->BytesPerBlock);
- (void) t;
- }
- }
-
- assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
- info->DataType == GL_SIGNED_NORMALIZED ||
- info->DataType == GL_UNSIGNED_INT ||
- info->DataType == GL_INT ||
- info->DataType == GL_FLOAT);
-
- if (info->BaseFormat == GL_RGB) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RGBA) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits > 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RG) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RED) {
- assert(info->RedBits > 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_LUMINANCE) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits > 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_INTENSITY) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits > 0);
- }
- }
-
- check_format_to_type_and_comps();
-}
-
-
-
-/**
- * Return datatype and number of components per texel for the given gl_format.
- * Only used for mipmap generation code.
- */
-void
-_mesa_format_to_type_and_comps(gl_format format,
- GLenum *datatype, GLuint *comps)
-{
- switch (format) {
- case MESA_FORMAT_RGBA8888:
- case MESA_FORMAT_RGBA8888_REV:
- case MESA_FORMAT_ARGB8888:
- case MESA_FORMAT_ARGB8888_REV:
- case MESA_FORMAT_XRGB8888:
- case MESA_FORMAT_XRGB8888_REV:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB888:
- case MESA_FORMAT_BGR888:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 3;
- return;
- case MESA_FORMAT_RGB565:
- case MESA_FORMAT_RGB565_REV:
- *datatype = GL_UNSIGNED_SHORT_5_6_5;
- *comps = 3;
- return;
-
- case MESA_FORMAT_ARGB4444:
- case MESA_FORMAT_ARGB4444_REV:
- *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
- *comps = 4;
- return;
-
- case MESA_FORMAT_ARGB1555:
- case MESA_FORMAT_ARGB1555_REV:
- *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
- *comps = 4;
- return;
-
- case MESA_FORMAT_ARGB2101010:
- *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
- *comps = 4;
- return;
-
- case MESA_FORMAT_RGBA5551:
- *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
- *comps = 4;
- return;
-
- case MESA_FORMAT_AL44:
- *datatype = MESA_UNSIGNED_BYTE_4_4;
- *comps = 2;
- return;
-
- case MESA_FORMAT_AL88:
- case MESA_FORMAT_AL88_REV:
- case MESA_FORMAT_RG88:
- case MESA_FORMAT_RG88_REV:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 2;
- return;
-
- case MESA_FORMAT_AL1616:
- case MESA_FORMAT_AL1616_REV:
- case MESA_FORMAT_RG1616:
- case MESA_FORMAT_RG1616_REV:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 2;
- return;
-
- case MESA_FORMAT_R16:
- case MESA_FORMAT_A16:
- case MESA_FORMAT_L16:
- case MESA_FORMAT_I16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_RGB332:
- *datatype = GL_UNSIGNED_BYTE_3_3_2;
- *comps = 3;
- return;
-
- case MESA_FORMAT_A8:
- case MESA_FORMAT_L8:
- case MESA_FORMAT_I8:
- case MESA_FORMAT_CI8:
- case MESA_FORMAT_R8:
- case MESA_FORMAT_S8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 1;
- return;
-
- case MESA_FORMAT_YCBCR:
- case MESA_FORMAT_YCBCR_REV:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 2;
- return;
-
- case MESA_FORMAT_Z24_S8:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1; /* XXX OK? */
- return;
-
- case MESA_FORMAT_S8_Z24:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1; /* XXX OK? */
- return;
-
- case MESA_FORMAT_Z16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_X8_Z24:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_Z24_X8:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_Z32:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_DUDV8:
- *datatype = GL_BYTE;
- *comps = 2;
- return;
-
- case MESA_FORMAT_SIGNED_R8:
- case MESA_FORMAT_SIGNED_A8:
- case MESA_FORMAT_SIGNED_L8:
- case MESA_FORMAT_SIGNED_I8:
- *datatype = GL_BYTE;
- *comps = 1;
- return;
- case MESA_FORMAT_SIGNED_RG88_REV:
- case MESA_FORMAT_SIGNED_AL88:
- *datatype = GL_BYTE;
- *comps = 2;
- return;
- case MESA_FORMAT_SIGNED_RGBA8888:
- case MESA_FORMAT_SIGNED_RGBA8888_REV:
- case MESA_FORMAT_SIGNED_RGBX8888:
- *datatype = GL_BYTE;
- *comps = 4;
- return;
-
- case MESA_FORMAT_RGBA_16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 4;
- return;
-
- case MESA_FORMAT_SIGNED_R16:
- case MESA_FORMAT_SIGNED_A16:
- case MESA_FORMAT_SIGNED_L16:
- case MESA_FORMAT_SIGNED_I16:
- *datatype = GL_SHORT;
- *comps = 1;
- return;
- case MESA_FORMAT_SIGNED_GR1616:
- case MESA_FORMAT_SIGNED_AL1616:
- *datatype = GL_SHORT;
- *comps = 2;
- return;
- case MESA_FORMAT_SIGNED_RGB_16:
- *datatype = GL_SHORT;
- *comps = 3;
- return;
- case MESA_FORMAT_SIGNED_RGBA_16:
- *datatype = GL_SHORT;
- *comps = 4;
- return;
-
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 3;
- return;
- case MESA_FORMAT_SRGBA8:
- case MESA_FORMAT_SARGB8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_SL8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 1;
- return;
- case MESA_FORMAT_SLA8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 2;
- return;
-#endif
-
-#if FEATURE_texture_fxt1
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
-#endif
-#if FEATURE_texture_s3tc
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
-#endif
-#endif
- case MESA_FORMAT_RED_RGTC1:
- case MESA_FORMAT_SIGNED_RED_RGTC1:
- case MESA_FORMAT_RG_RGTC2:
- case MESA_FORMAT_SIGNED_RG_RGTC2:
- case MESA_FORMAT_L_LATC1:
- case MESA_FORMAT_SIGNED_L_LATC1:
- case MESA_FORMAT_LA_LATC2:
- case MESA_FORMAT_SIGNED_LA_LATC2:
- /* XXX generate error instead? */
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 0;
- return;
-
- case MESA_FORMAT_RGBA_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 3;
- return;
- case MESA_FORMAT_RGB_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 3;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
- case MESA_FORMAT_RG_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 2;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
- case MESA_FORMAT_RG_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 2;
- return;
- case MESA_FORMAT_ALPHA_FLOAT32:
- case MESA_FORMAT_LUMINANCE_FLOAT32:
- case MESA_FORMAT_INTENSITY_FLOAT32:
- case MESA_FORMAT_R_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 1;
- return;
- case MESA_FORMAT_ALPHA_FLOAT16:
- case MESA_FORMAT_LUMINANCE_FLOAT16:
- case MESA_FORMAT_INTENSITY_FLOAT16:
- case MESA_FORMAT_R_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 1;
- return;
-
- case MESA_FORMAT_RGBA_INT8:
- *datatype = GL_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_INT16:
- *datatype = GL_SHORT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_INT32:
- *datatype = GL_INT;
- *comps = 4;
- return;
-
- /**
- * \name Non-normalized unsigned integer formats.
- */
- case MESA_FORMAT_RGBA_UINT8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_UINT16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_UINT32:
- *datatype = GL_UNSIGNED_INT;
- *comps = 4;
- return;
-
- case MESA_FORMAT_RGB9_E5_FLOAT:
- *datatype = GL_UNSIGNED_INT_5_9_9_9_REV;
- *comps = 3;
- return;
-
- case MESA_FORMAT_R11_G11_B10_FLOAT:
- *datatype = GL_UNSIGNED_INT_10F_11F_11F_REV;
- *comps = 3;
- return;
-
- case MESA_FORMAT_COUNT:
- assert(0);
- return;
-
- case MESA_FORMAT_NONE:
- /* For debug builds, warn if any formats are not handled */
-#ifdef DEBUG
- default:
-#endif
- _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
- _mesa_get_format_name(format));
- *datatype = 0;
- *comps = 1;
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008-2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "imports.h"
+#include "formats.h"
+#include "mfeatures.h"
+
+
+/**
+ * Information about texture formats.
+ */
+struct gl_format_info
+{
+ gl_format Name;
+
+ /** text name for debugging */
+ const char *StrName;
+
+ /**
+ * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
+ * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
+ * GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX,
+ * GL_DEPTH_STENCIL, GL_DUDV_ATI.
+ */
+ GLenum BaseFormat;
+
+ /**
+ * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
+ * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
+ */
+ GLenum DataType;
+
+ GLubyte RedBits;
+ GLubyte GreenBits;
+ GLubyte BlueBits;
+ GLubyte AlphaBits;
+ GLubyte LuminanceBits;
+ GLubyte IntensityBits;
+ GLubyte IndexBits;
+ GLubyte DepthBits;
+ GLubyte StencilBits;
+
+ /**
+ * To describe compressed formats. If not compressed, Width=Height=1.
+ */
+ GLubyte BlockWidth, BlockHeight;
+ GLubyte BytesPerBlock;
+};
+
+
+/**
+ * Info about each format.
+ * These must be in the same order as the MESA_FORMAT_* enums so that
+ * we can do lookups without searching.
+ */
+static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
+{
+ {
+ MESA_FORMAT_NONE, /* Name */
+ "MESA_FORMAT_NONE", /* StrName */
+ GL_NONE, /* BaseFormat */
+ GL_NONE, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 0, 0, 0 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGBA8888, /* Name */
+ "MESA_FORMAT_RGBA8888", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGBA8888_REV, /* Name */
+ "MESA_FORMAT_RGBA8888_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB8888, /* Name */
+ "MESA_FORMAT_ARGB8888", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB8888_REV, /* Name */
+ "MESA_FORMAT_ARGB8888_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_XRGB8888, /* Name */
+ "MESA_FORMAT_XRGB8888", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_XRGB8888_REV, /* Name */
+ "MESA_FORMAT_XRGB8888_REV", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB888, /* Name */
+ "MESA_FORMAT_RGB888", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 3 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_BGR888, /* Name */
+ "MESA_FORMAT_BGR888", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 3 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB565, /* Name */
+ "MESA_FORMAT_RGB565", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB565_REV, /* Name */
+ "MESA_FORMAT_RGB565_REV", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB4444, /* Name */
+ "MESA_FORMAT_ARGB4444", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB4444_REV, /* Name */
+ "MESA_FORMAT_ARGB4444_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGBA5551, /* Name */
+ "MESA_FORMAT_RGBA5551", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB1555, /* Name */
+ "MESA_FORMAT_ARGB1555", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB1555_REV, /* Name */
+ "MESA_FORMAT_ARGB1555_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL44, /* Name */
+ "MESA_FORMAT_AL44", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
+ 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL88, /* Name */
+ "MESA_FORMAT_AL88", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
+ 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL88_REV, /* Name */
+ "MESA_FORMAT_AL88_REV", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
+ 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL1616, /* Name */
+ "MESA_FORMAT_AL1616", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
+ 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL1616_REV, /* Name */
+ "MESA_FORMAT_AL1616_REV", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
+ 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB332, /* Name */
+ "MESA_FORMAT_RGB332", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_A8, /* Name */
+ "MESA_FORMAT_A8", /* StrName */
+ GL_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_A16, /* Name */
+ "MESA_FORMAT_A16", /* StrName */
+ GL_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_L8, /* Name */
+ "MESA_FORMAT_L8", /* StrName */
+ GL_LUMINANCE, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_L16, /* Name */
+ "MESA_FORMAT_L16", /* StrName */
+ GL_LUMINANCE, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_I8, /* Name */
+ "MESA_FORMAT_I8", /* StrName */
+ GL_INTENSITY, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_I16, /* Name */
+ "MESA_FORMAT_I16", /* StrName */
+ GL_INTENSITY, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_CI8, /* Name */
+ "MESA_FORMAT_CI8", /* StrName */
+ GL_COLOR_INDEX, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 8, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_YCBCR, /* Name */
+ "MESA_FORMAT_YCBCR", /* StrName */
+ GL_YCBCR_MESA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_YCBCR_REV, /* Name */
+ "MESA_FORMAT_YCBCR_REV", /* StrName */
+ GL_YCBCR_MESA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_R8,
+ "MESA_FORMAT_R8",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_RG88,
+ "MESA_FORMAT_RG88",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG88_REV,
+ "MESA_FORMAT_RG88_REV",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_R16,
+ "MESA_FORMAT_R16",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG1616,
+ "MESA_FORMAT_RG1616",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RG1616_REV,
+ "MESA_FORMAT_RG1616_REV",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_ARGB2101010,
+ "MESA_FORMAT_ARGB2101010",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 10, 10, 10, 2,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_Z24_S8, /* Name */
+ "MESA_FORMAT_Z24_S8", /* StrName */
+ GL_DEPTH_STENCIL, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_S8_Z24, /* Name */
+ "MESA_FORMAT_S8_Z24", /* StrName */
+ GL_DEPTH_STENCIL, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z16, /* Name */
+ "MESA_FORMAT_Z16", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_X8_Z24, /* Name */
+ "MESA_FORMAT_X8_Z24", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z24_X8, /* Name */
+ "MESA_FORMAT_Z24_X8", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z32, /* Name */
+ "MESA_FORMAT_Z32", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_S8, /* Name */
+ "MESA_FORMAT_S8", /* StrName */
+ GL_STENCIL_INDEX, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_SRGB8,
+ "MESA_FORMAT_SRGB8",
+ GL_RGB,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 3
+ },
+ {
+ MESA_FORMAT_SRGBA8,
+ "MESA_FORMAT_SRGBA8",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SARGB8,
+ "MESA_FORMAT_SARGB8",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SL8,
+ "MESA_FORMAT_SL8",
+ GL_LUMINANCE,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 8, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_SLA8,
+ "MESA_FORMAT_SLA8",
+ GL_LUMINANCE_ALPHA,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 8,
+ 8, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SRGB_DXT1, /* Name */
+ "MESA_FORMAT_SRGB_DXT1", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT1,
+ "MESA_FORMAT_SRGBA_DXT1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT3,
+ "MESA_FORMAT_SRGBA_DXT3",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT5,
+ "MESA_FORMAT_SRGBA_DXT5",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+
+ {
+ MESA_FORMAT_RGB_FXT1,
+ "MESA_FORMAT_RGB_FXT1",
+ GL_RGB,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 0, /* approx Red/Green/BlueBits */
+ 0, 0, 0, 0, 0,
+ 8, 4, 16 /* 16 bytes per 8x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_FXT1,
+ "MESA_FORMAT_RGBA_FXT1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0,
+ 8, 4, 16 /* 16 bytes per 8x4 block */
+ },
+
+ {
+ MESA_FORMAT_RGB_DXT1, /* Name */
+ "MESA_FORMAT_RGB_DXT1", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_DXT1,
+ "MESA_FORMAT_RGBA_DXT1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_DXT3,
+ "MESA_FORMAT_RGBA_DXT3",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_DXT5,
+ "MESA_FORMAT_RGBA_DXT5",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_FLOAT32,
+ "MESA_FORMAT_RGBA_FLOAT32",
+ GL_RGBA,
+ GL_FLOAT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+ {
+ MESA_FORMAT_RGBA_FLOAT16,
+ "MESA_FORMAT_RGBA_FLOAT16",
+ GL_RGBA,
+ GL_FLOAT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGB_FLOAT32,
+ "MESA_FORMAT_RGB_FLOAT32",
+ GL_RGB,
+ GL_FLOAT,
+ 32, 32, 32, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 12
+ },
+ {
+ MESA_FORMAT_RGB_FLOAT16,
+ "MESA_FORMAT_RGB_FLOAT16",
+ GL_RGB,
+ GL_FLOAT,
+ 16, 16, 16, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 6
+ },
+ {
+ MESA_FORMAT_ALPHA_FLOAT32,
+ "MESA_FORMAT_ALPHA_FLOAT32",
+ GL_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_ALPHA_FLOAT16,
+ "MESA_FORMAT_ALPHA_FLOAT16",
+ GL_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_LUMINANCE_FLOAT32,
+ "MESA_FORMAT_LUMINANCE_FLOAT32",
+ GL_LUMINANCE,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 32, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_LUMINANCE_FLOAT16,
+ "MESA_FORMAT_LUMINANCE_FLOAT16",
+ GL_LUMINANCE,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 16, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+ "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
+ GL_LUMINANCE_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 32,
+ 32, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+ "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
+ GL_LUMINANCE_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 16,
+ 16, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_INTENSITY_FLOAT32,
+ "MESA_FORMAT_INTENSITY_FLOAT32",
+ GL_INTENSITY,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 0, 32, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_INTENSITY_FLOAT16,
+ "MESA_FORMAT_INTENSITY_FLOAT16",
+ GL_INTENSITY,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 0, 16, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_R_FLOAT32,
+ "MESA_FORMAT_R_FLOAT32",
+ GL_RED,
+ GL_FLOAT,
+ 32, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_R_FLOAT16,
+ "MESA_FORMAT_R_FLOAT16",
+ GL_RED,
+ GL_FLOAT,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG_FLOAT32,
+ "MESA_FORMAT_RG_FLOAT32",
+ GL_RG,
+ GL_FLOAT,
+ 32, 32, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RG_FLOAT16,
+ "MESA_FORMAT_RG_FLOAT16",
+ GL_RG,
+ GL_FLOAT,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+
+ /* unnormalized signed int formats */
+ {
+ MESA_FORMAT_RGBA_INT8,
+ "MESA_FORMAT_RGBA_INT8",
+ GL_RGBA,
+ GL_INT,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RGBA_INT16,
+ "MESA_FORMAT_RGBA_INT16",
+ GL_RGBA,
+ GL_INT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_INT32,
+ "MESA_FORMAT_RGBA_INT32",
+ GL_RGBA,
+ GL_INT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+
+ /* unnormalized unsigned int formats */
+ {
+ MESA_FORMAT_RGBA_UINT8,
+ "MESA_FORMAT_RGBA_UINT8",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RGBA_UINT16,
+ "MESA_FORMAT_RGBA_UINT16",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_UINT32,
+ "MESA_FORMAT_RGBA_UINT32",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+
+
+ {
+ MESA_FORMAT_DUDV8,
+ "MESA_FORMAT_DUDV8",
+ GL_DUDV_ATI,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+
+ /* Signed 8 bits / channel */
+ {
+ MESA_FORMAT_SIGNED_R8, /* Name */
+ "MESA_FORMAT_SIGNED_R8", /* StrName */
+ GL_RED, /* BaseFormat */
+ GL_SIGNED_NORMALIZED, /* DataType */
+ 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_SIGNED_RG88_REV,
+ "MESA_FORMAT_SIGNED_RG88_REV",
+ GL_RG,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBX8888,
+ "MESA_FORMAT_SIGNED_RGBX8888",
+ GL_RGB,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4 /* 4 bpp, but no alpha */
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA8888,
+ "MESA_FORMAT_SIGNED_RGBA8888",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA8888_REV,
+ "MESA_FORMAT_SIGNED_RGBA8888_REV",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+
+ /* Signed 16 bits / channel */
+ {
+ MESA_FORMAT_SIGNED_R16,
+ "MESA_FORMAT_SIGNED_R16",
+ GL_RED,
+ GL_SIGNED_NORMALIZED,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_GR1616,
+ "MESA_FORMAT_SIGNED_GR1616",
+ GL_RG,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SIGNED_RGB_16,
+ "MESA_FORMAT_SIGNED_RGB_16",
+ GL_RGB,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 16, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 6
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA_16,
+ "MESA_FORMAT_SIGNED_RGBA_16",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_16,
+ "MESA_FORMAT_RGBA_16",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RED_RGTC1,
+ "MESA_FORMAT_RED_RGTC1",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_RED_RGTC1,
+ "MESA_FORMAT_SIGNED_RED_RGTC1",
+ GL_RED,
+ GL_SIGNED_NORMALIZED,
+ 4, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RG_RGTC2,
+ "MESA_FORMAT_RG_RGTC2",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_RGTC2,
+ "MESA_FORMAT_SIGNED_RG_RGTC2",
+ GL_RG,
+ GL_SIGNED_NORMALIZED,
+ 4, 4, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_L_LATC1,
+ "MESA_FORMAT_L_LATC1",
+ GL_LUMINANCE,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 4, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_L_LATC1,
+ "MESA_FORMAT_SIGNED_L_LATC1",
+ GL_LUMINANCE,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 4, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_LA_LATC2,
+ "MESA_FORMAT_LA_LATC2",
+ GL_LUMINANCE_ALPHA,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 4,
+ 4, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_LA_LATC2,
+ "MESA_FORMAT_SIGNED_LA_LATC2",
+ GL_LUMINANCE_ALPHA,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 4,
+ 4, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+
+ /* Signed formats from EXT_texture_snorm that are not in GL3.1 */
+ {
+ MESA_FORMAT_SIGNED_A8,
+ "MESA_FORMAT_SIGNED_A8",
+ GL_ALPHA,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_SIGNED_L8,
+ "MESA_FORMAT_SIGNED_L8",
+ GL_LUMINANCE,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 8, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_SIGNED_AL88,
+ "MESA_FORMAT_SIGNED_AL88",
+ GL_LUMINANCE_ALPHA,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 8,
+ 8, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_I8,
+ "MESA_FORMAT_SIGNED_I8",
+ GL_INTENSITY,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 0, 8, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_SIGNED_A16,
+ "MESA_FORMAT_SIGNED_A16",
+ GL_ALPHA,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_L16,
+ "MESA_FORMAT_SIGNED_L16",
+ GL_LUMINANCE,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 16, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_AL1616,
+ "MESA_FORMAT_SIGNED_AL1616",
+ GL_LUMINANCE_ALPHA,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 16,
+ 16, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SIGNED_I16,
+ "MESA_FORMAT_SIGNED_I16",
+ GL_INTENSITY,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 0, 16, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RGB9_E5_FLOAT,
+ "MESA_FORMAT_RGB9_E5",
+ GL_RGB,
+ GL_FLOAT,
+ 9, 9, 9, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_R11_G11_B10_FLOAT,
+ "MESA_FORMAT_R11_G11_B10_FLOAT",
+ GL_RGB,
+ GL_FLOAT,
+ 11, 11, 10, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+};
+
+
+
+static const struct gl_format_info *
+_mesa_get_format_info(gl_format format)
+{
+ const struct gl_format_info *info = &format_info[format];
+ assert(info->Name == format);
+ return info;
+}
+
+
+/** Return string name of format (for debugging) */
+const char *
+_mesa_get_format_name(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->StrName;
+}
+
+
+
+/**
+ * Return bytes needed to store a block of pixels in the given format.
+ * Normally, a block is 1x1 (a single pixel). But for compressed formats
+ * a block may be 4x4 or 8x4, etc.
+ *
+ * Note: not GLuint, so as not to coerce math to unsigned. cf. fdo #37351
+ */
+GLint
+_mesa_get_format_bytes(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ ASSERT(info->BytesPerBlock);
+ return info->BytesPerBlock;
+}
+
+
+/**
+ * Return bits per component for the given format.
+ * \param format one of MESA_FORMAT_x
+ * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
+ */
+GLint
+_mesa_get_format_bits(gl_format format, GLenum pname)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+
+ switch (pname) {
+ case GL_RED_BITS:
+ case GL_TEXTURE_RED_SIZE:
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ return info->RedBits;
+ case GL_GREEN_BITS:
+ case GL_TEXTURE_GREEN_SIZE:
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ return info->GreenBits;
+ case GL_BLUE_BITS:
+ case GL_TEXTURE_BLUE_SIZE:
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ return info->BlueBits;
+ case GL_ALPHA_BITS:
+ case GL_TEXTURE_ALPHA_SIZE:
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ return info->AlphaBits;
+ case GL_TEXTURE_INTENSITY_SIZE:
+ return info->IntensityBits;
+ case GL_TEXTURE_LUMINANCE_SIZE:
+ return info->LuminanceBits;
+ case GL_INDEX_BITS:
+ case GL_TEXTURE_INDEX_SIZE_EXT:
+ return info->IndexBits;
+ case GL_DEPTH_BITS:
+ case GL_TEXTURE_DEPTH_SIZE_ARB:
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ return info->DepthBits;
+ case GL_STENCIL_BITS:
+ case GL_TEXTURE_STENCIL_SIZE_EXT:
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ return info->StencilBits;
+ default:
+ _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
+ return 0;
+ }
+}
+
+
+/**
+ * Return the data type (or more specifically, the data representation)
+ * for the given format.
+ * The return value will be one of:
+ * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
+ * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
+ * GL_UNSIGNED_INT = an ordinary unsigned integer
+ * GL_INT = an ordinary signed integer
+ * GL_FLOAT = an ordinary float
+ */
+GLenum
+_mesa_get_format_datatype(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->DataType;
+}
+
+
+/**
+ * Return the basic format for the given type. The result will be
+ * one of GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
+ * GL_INTENSITY, GL_YCBCR_MESA, GL_COLOR_INDEX, GL_DEPTH_COMPONENT,
+ * GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
+ */
+GLenum
+_mesa_get_format_base_format(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->BaseFormat;
+}
+
+
+/**
+ * Return the block size (in pixels) for the given format. Normally
+ * the block size is 1x1. But compressed formats will have block sizes
+ * of 4x4 or 8x4 pixels, etc.
+ * \param bw returns block width in pixels
+ * \param bh returns block height in pixels
+ */
+void
+_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ *bw = info->BlockWidth;
+ *bh = info->BlockHeight;
+}
+
+
+/** Is the given format a compressed format? */
+GLboolean
+_mesa_is_format_compressed(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->BlockWidth > 1 || info->BlockHeight > 1;
+}
+
+
+/**
+ * Determine if the given format represents a packed depth/stencil buffer.
+ */
+GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+
+ return info->BaseFormat == GL_DEPTH_STENCIL;
+}
+
+
+/**
+ * Is the given format a signed/unsigned integer color format?
+ */
+GLboolean
+_mesa_is_format_integer_color(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
+ info->BaseFormat != GL_DEPTH_COMPONENT &&
+ info->BaseFormat != GL_DEPTH_STENCIL &&
+ info->BaseFormat != GL_STENCIL_INDEX;
+}
+
+
+/**
+ * Return color encoding for given format.
+ * \return GL_LINEAR or GL_SRGB
+ */
+GLenum
+_mesa_get_format_color_encoding(gl_format format)
+{
+ /* XXX this info should be encoded in gl_format_info */
+ switch (format) {
+ case MESA_FORMAT_SRGB8:
+ case MESA_FORMAT_SRGBA8:
+ case MESA_FORMAT_SARGB8:
+ case MESA_FORMAT_SL8:
+ case MESA_FORMAT_SLA8:
+ case MESA_FORMAT_SRGB_DXT1:
+ case MESA_FORMAT_SRGBA_DXT1:
+ case MESA_FORMAT_SRGBA_DXT3:
+ case MESA_FORMAT_SRGBA_DXT5:
+ return GL_SRGB;
+ default:
+ return GL_LINEAR;
+ }
+}
+
+
+/**
+ * For an sRGB format, return the corresponding linear color space format.
+ * For non-sRGB formats, return the format as-is.
+ */
+gl_format
+_mesa_get_srgb_format_linear(gl_format format)
+{
+ switch (format) {
+ case MESA_FORMAT_SRGB8:
+ format = MESA_FORMAT_RGB888;
+ break;
+ case MESA_FORMAT_SRGBA8:
+ format = MESA_FORMAT_RGBA8888;
+ break;
+ case MESA_FORMAT_SARGB8:
+ format = MESA_FORMAT_ARGB8888;
+ break;
+ case MESA_FORMAT_SL8:
+ format = MESA_FORMAT_L8;
+ break;
+ case MESA_FORMAT_SLA8:
+ format = MESA_FORMAT_AL88;
+ break;
+ case MESA_FORMAT_SRGB_DXT1:
+ format = MESA_FORMAT_RGB_DXT1;
+ break;
+ case MESA_FORMAT_SRGBA_DXT1:
+ format = MESA_FORMAT_RGBA_DXT1;
+ break;
+ case MESA_FORMAT_SRGBA_DXT3:
+ format = MESA_FORMAT_RGBA_DXT3;
+ break;
+ case MESA_FORMAT_SRGBA_DXT5:
+ format = MESA_FORMAT_RGBA_DXT5;
+ break;
+ default:
+ break;
+ }
+ return format;
+}
+
+
+/**
+ * Return number of bytes needed to store an image of the given size
+ * in the given format.
+ */
+GLuint
+_mesa_format_image_size(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Strictly speaking, a conditional isn't needed here */
+ if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ /* compressed format (2D only for now) */
+ const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
+ const GLuint wblocks = (width + bw - 1) / bw;
+ const GLuint hblocks = (height + bh - 1) / bh;
+ const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
+ assert(depth == 1);
+ return sz;
+ }
+ else {
+ /* non-compressed */
+ const GLuint sz = width * height * depth * info->BytesPerBlock;
+ return sz;
+ }
+}
+
+
+/**
+ * Same as _mesa_format_image_size() but returns a 64-bit value to
+ * accomodate very large textures.
+ */
+uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Strictly speaking, a conditional isn't needed here */
+ if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ /* compressed format (2D only for now) */
+ const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
+ const uint64_t wblocks = (width + bw - 1) / bw;
+ const uint64_t hblocks = (height + bh - 1) / bh;
+ const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
+ assert(depth == 1);
+ return sz;
+ }
+ else {
+ /* non-compressed */
+ const uint64_t sz = ((uint64_t) width *
+ (uint64_t) height *
+ (uint64_t) depth *
+ info->BytesPerBlock);
+ return sz;
+ }
+}
+
+
+
+GLint
+_mesa_format_row_stride(gl_format format, GLsizei width)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Strictly speaking, a conditional isn't needed here */
+ if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ /* compressed format */
+ const GLuint bw = info->BlockWidth;
+ const GLuint wblocks = (width + bw - 1) / bw;
+ const GLint stride = wblocks * info->BytesPerBlock;
+ return stride;
+ }
+ else {
+ const GLint stride = width * info->BytesPerBlock;
+ return stride;
+ }
+}
+
+
+/**
+ * Debug/test: check that all formats are handled in the
+ * _mesa_format_to_type_and_comps() function. When new pixel formats
+ * are added to Mesa, that function needs to be updated.
+ * This is a no-op after the first call.
+ */
+static void
+check_format_to_type_and_comps(void)
+{
+ gl_format f;
+
+ for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
+ GLenum datatype = 0;
+ GLuint comps = 0;
+ /* This function will emit a problem/warning if the format is
+ * not handled.
+ */
+ _mesa_format_to_type_and_comps(f, &datatype, &comps);
+ }
+}
+
+
+/**
+ * Do sanity checking of the format info table.
+ */
+void
+_mesa_test_formats(void)
+{
+ GLuint i;
+
+ assert(Elements(format_info) == MESA_FORMAT_COUNT);
+
+ for (i = 0; i < MESA_FORMAT_COUNT; i++) {
+ const struct gl_format_info *info = _mesa_get_format_info(i);
+ assert(info);
+
+ assert(info->Name == i);
+
+ if (info->Name == MESA_FORMAT_NONE)
+ continue;
+
+ if (info->BlockWidth == 1 && info->BlockHeight == 1) {
+ if (info->RedBits > 0) {
+ GLuint t = info->RedBits + info->GreenBits
+ + info->BlueBits + info->AlphaBits;
+ assert(t / 8 <= info->BytesPerBlock);
+ (void) t;
+ }
+ }
+
+ assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
+ info->DataType == GL_SIGNED_NORMALIZED ||
+ info->DataType == GL_UNSIGNED_INT ||
+ info->DataType == GL_INT ||
+ info->DataType == GL_FLOAT);
+
+ if (info->BaseFormat == GL_RGB) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits > 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RGBA) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits > 0);
+ assert(info->AlphaBits > 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RG) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RED) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_LUMINANCE) {
+ assert(info->RedBits == 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits > 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_INTENSITY) {
+ assert(info->RedBits == 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits > 0);
+ }
+ }
+
+ check_format_to_type_and_comps();
+}
+
+
+
+/**
+ * Return datatype and number of components per texel for the given gl_format.
+ * Only used for mipmap generation code.
+ */
+void
+_mesa_format_to_type_and_comps(gl_format format,
+ GLenum *datatype, GLuint *comps)
+{
+ switch (format) {
+ case MESA_FORMAT_RGBA8888:
+ case MESA_FORMAT_RGBA8888_REV:
+ case MESA_FORMAT_ARGB8888:
+ case MESA_FORMAT_ARGB8888_REV:
+ case MESA_FORMAT_XRGB8888:
+ case MESA_FORMAT_XRGB8888_REV:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB888:
+ case MESA_FORMAT_BGR888:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_RGB565_REV:
+ *datatype = GL_UNSIGNED_SHORT_5_6_5;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_ARGB4444:
+ case MESA_FORMAT_ARGB4444_REV:
+ *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_ARGB1555_REV:
+ *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_ARGB2101010:
+ *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_RGBA5551:
+ *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_AL44:
+ *datatype = MESA_UNSIGNED_BYTE_4_4;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_AL88:
+ case MESA_FORMAT_AL88_REV:
+ case MESA_FORMAT_RG88:
+ case MESA_FORMAT_RG88_REV:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_AL1616:
+ case MESA_FORMAT_AL1616_REV:
+ case MESA_FORMAT_RG1616:
+ case MESA_FORMAT_RG1616_REV:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_R16:
+ case MESA_FORMAT_A16:
+ case MESA_FORMAT_L16:
+ case MESA_FORMAT_I16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_RGB332:
+ *datatype = GL_UNSIGNED_BYTE_3_3_2;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_L8:
+ case MESA_FORMAT_I8:
+ case MESA_FORMAT_CI8:
+ case MESA_FORMAT_R8:
+ case MESA_FORMAT_S8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_YCBCR:
+ case MESA_FORMAT_YCBCR_REV:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_Z24_S8:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1; /* XXX OK? */
+ return;
+
+ case MESA_FORMAT_S8_Z24:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1; /* XXX OK? */
+ return;
+
+ case MESA_FORMAT_Z16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_X8_Z24:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_Z24_X8:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_Z32:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_DUDV8:
+ *datatype = GL_BYTE;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_SIGNED_R8:
+ case MESA_FORMAT_SIGNED_A8:
+ case MESA_FORMAT_SIGNED_L8:
+ case MESA_FORMAT_SIGNED_I8:
+ *datatype = GL_BYTE;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SIGNED_RG88_REV:
+ case MESA_FORMAT_SIGNED_AL88:
+ *datatype = GL_BYTE;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_SIGNED_RGBA8888:
+ case MESA_FORMAT_SIGNED_RGBA8888_REV:
+ case MESA_FORMAT_SIGNED_RGBX8888:
+ *datatype = GL_BYTE;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_RGBA_16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_SIGNED_R16:
+ case MESA_FORMAT_SIGNED_A16:
+ case MESA_FORMAT_SIGNED_L16:
+ case MESA_FORMAT_SIGNED_I16:
+ *datatype = GL_SHORT;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SIGNED_GR1616:
+ case MESA_FORMAT_SIGNED_AL1616:
+ *datatype = GL_SHORT;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_SIGNED_RGB_16:
+ *datatype = GL_SHORT;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_SIGNED_RGBA_16:
+ *datatype = GL_SHORT;
+ *comps = 4;
+ return;
+
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_SRGBA8:
+ case MESA_FORMAT_SARGB8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_SL8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SLA8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 2;
+ return;
+#endif
+
+#if FEATURE_texture_fxt1
+ case MESA_FORMAT_RGB_FXT1:
+ case MESA_FORMAT_RGBA_FXT1:
+#endif
+#if FEATURE_texture_s3tc
+ case MESA_FORMAT_RGB_DXT1:
+ case MESA_FORMAT_RGBA_DXT1:
+ case MESA_FORMAT_RGBA_DXT3:
+ case MESA_FORMAT_RGBA_DXT5:
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB_DXT1:
+ case MESA_FORMAT_SRGBA_DXT1:
+ case MESA_FORMAT_SRGBA_DXT3:
+ case MESA_FORMAT_SRGBA_DXT5:
+#endif
+#endif
+ case MESA_FORMAT_RED_RGTC1:
+ case MESA_FORMAT_SIGNED_RED_RGTC1:
+ case MESA_FORMAT_RG_RGTC2:
+ case MESA_FORMAT_SIGNED_RG_RGTC2:
+ case MESA_FORMAT_L_LATC1:
+ case MESA_FORMAT_SIGNED_L_LATC1:
+ case MESA_FORMAT_LA_LATC2:
+ case MESA_FORMAT_SIGNED_LA_LATC2:
+ /* XXX generate error instead? */
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 0;
+ return;
+
+ case MESA_FORMAT_RGBA_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_RGB_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+ case MESA_FORMAT_RG_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+ case MESA_FORMAT_RG_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_ALPHA_FLOAT32:
+ case MESA_FORMAT_LUMINANCE_FLOAT32:
+ case MESA_FORMAT_INTENSITY_FLOAT32:
+ case MESA_FORMAT_R_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_ALPHA_FLOAT16:
+ case MESA_FORMAT_LUMINANCE_FLOAT16:
+ case MESA_FORMAT_INTENSITY_FLOAT16:
+ case MESA_FORMAT_R_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_RGBA_INT8:
+ *datatype = GL_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_INT16:
+ *datatype = GL_SHORT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_INT32:
+ *datatype = GL_INT;
+ *comps = 4;
+ return;
+
+ /**
+ * \name Non-normalized unsigned integer formats.
+ */
+ case MESA_FORMAT_RGBA_UINT8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_UINT16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_UINT32:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_RGB9_E5_FLOAT:
+ *datatype = GL_UNSIGNED_INT_5_9_9_9_REV;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_R11_G11_B10_FLOAT:
+ *datatype = GL_UNSIGNED_INT_10F_11F_11F_REV;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_COUNT:
+ assert(0);
+ return;
+
+ case MESA_FORMAT_NONE:
+ /* For debug builds, warn if any formats are not handled */
+#ifdef DEBUG
+ default:
+#endif
+ _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
+ _mesa_get_format_name(format));
+ *datatype = 0;
+ *comps = 1;
+ }
+}
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h
index c9fd0baab..0640bbc4a 100644
--- a/mesalib/src/mesa/main/formats.h
+++ b/mesalib/src/mesa/main/formats.h
@@ -1,267 +1,267 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2008-2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * Authors:
- * Brian Paul
- */
-
-
-#ifndef FORMATS_H
-#define FORMATS_H
-
-
-#include <GL/gl.h>
-
-/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
- * for GL_LUMINANCE4_ALPHA4. */
-#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
-
-
-/**
- * Mesa texture/renderbuffer image formats.
- */
-typedef enum
-{
- MESA_FORMAT_NONE = 0,
-
- /**
- * \name Basic hardware formats
- */
- /*@{*/
- /* msb <------ TEXEL BITS -----------> lsb */
- /* ---- ---- ---- ---- ---- ---- ---- ---- */
- MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
- MESA_FORMAT_RGBA8888_REV, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
- MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
- MESA_FORMAT_ARGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
- MESA_FORMAT_XRGB8888, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
- MESA_FORMAT_XRGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
- MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */
- MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */
- MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
- MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */
- MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
- MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */
- MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
- MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
- MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
- MESA_FORMAT_AL44, /* AAAA LLLL */
- MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
- MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */
- MESA_FORMAT_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
- MESA_FORMAT_AL1616_REV, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
- MESA_FORMAT_RGB332, /* RRRG GGBB */
- MESA_FORMAT_A8, /* AAAA AAAA */
- MESA_FORMAT_A16, /* AAAA AAAA AAAA AAAA */
- MESA_FORMAT_L8, /* LLLL LLLL */
- MESA_FORMAT_L16, /* LLLL LLLL LLLL LLLL */
- MESA_FORMAT_I8, /* IIII IIII */
- MESA_FORMAT_I16, /* IIII IIII IIII IIII */
- MESA_FORMAT_CI8, /* CCCC CCCC */
- MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
- MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
- MESA_FORMAT_R8, /* RRRR RRRR */
- MESA_FORMAT_RG88, /* RRRR RRRR GGGG GGGG */
- MESA_FORMAT_RG88_REV, /* GGGG GGGG RRRR RRRR */
- MESA_FORMAT_R16, /* RRRR RRRR RRRR RRRR */
- MESA_FORMAT_RG1616, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
- MESA_FORMAT_RG1616_REV, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
- MESA_FORMAT_ARGB2101010, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
- MESA_FORMAT_Z24_S8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
- MESA_FORMAT_S8_Z24, /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_Z16, /* ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_X8_Z24, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_Z24_X8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
- MESA_FORMAT_Z32, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_S8, /* SSSS SSSS */
- /*@}*/
-
- /**
- * \name 8-bit/channel sRGB formats
- */
- /*@{*/
- MESA_FORMAT_SRGB8,
- MESA_FORMAT_SRGBA8,
- MESA_FORMAT_SARGB8,
- MESA_FORMAT_SL8,
- MESA_FORMAT_SLA8,
- MESA_FORMAT_SRGB_DXT1,
- MESA_FORMAT_SRGBA_DXT1,
- MESA_FORMAT_SRGBA_DXT3,
- MESA_FORMAT_SRGBA_DXT5,
- /*@}*/
-
- /**
- * \name Compressed texture formats.
- */
- /*@{*/
- MESA_FORMAT_RGB_FXT1,
- MESA_FORMAT_RGBA_FXT1,
- MESA_FORMAT_RGB_DXT1,
- MESA_FORMAT_RGBA_DXT1,
- MESA_FORMAT_RGBA_DXT3,
- MESA_FORMAT_RGBA_DXT5,
- /*@}*/
-
- /**
- * \name Floating point texture formats.
- */
- /*@{*/
- MESA_FORMAT_RGBA_FLOAT32,
- MESA_FORMAT_RGBA_FLOAT16,
- MESA_FORMAT_RGB_FLOAT32,
- MESA_FORMAT_RGB_FLOAT16,
- MESA_FORMAT_ALPHA_FLOAT32,
- MESA_FORMAT_ALPHA_FLOAT16,
- MESA_FORMAT_LUMINANCE_FLOAT32,
- MESA_FORMAT_LUMINANCE_FLOAT16,
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
- MESA_FORMAT_INTENSITY_FLOAT32,
- MESA_FORMAT_INTENSITY_FLOAT16,
- MESA_FORMAT_R_FLOAT32,
- MESA_FORMAT_R_FLOAT16,
- MESA_FORMAT_RG_FLOAT32,
- MESA_FORMAT_RG_FLOAT16,
- /*@}*/
-
- /**
- * \name Non-normalized signed integer formats.
- * XXX Note: these are just stand-ins for some better hardware
- * formats TBD such as BGRA or ARGB.
- */
- MESA_FORMAT_RGBA_INT8,
- MESA_FORMAT_RGBA_INT16,
- MESA_FORMAT_RGBA_INT32,
-
- /**
- * \name Non-normalized unsigned integer formats.
- */
- MESA_FORMAT_RGBA_UINT8,
- MESA_FORMAT_RGBA_UINT16,
- MESA_FORMAT_RGBA_UINT32,
-
- /* msb <------ TEXEL BITS -----------> lsb */
- /* ---- ---- ---- ---- ---- ---- ---- ---- */
- /**
- * \name Signed fixed point texture formats.
- */
- /*@{*/
- MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */
- MESA_FORMAT_SIGNED_R8, /* RRRR RRRR */
- MESA_FORMAT_SIGNED_RG88_REV, /* GGGG GGGG RRRR RRRR */
- MESA_FORMAT_SIGNED_RGBX8888, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
- MESA_FORMAT_SIGNED_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
- MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
- MESA_FORMAT_SIGNED_R16, /* RRRR RRRR RRRR RRRR */
- MESA_FORMAT_SIGNED_GR1616, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
- MESA_FORMAT_SIGNED_RGB_16, /* ushort[0]=R, ushort[1]=G, ushort[2]=B */
- MESA_FORMAT_SIGNED_RGBA_16, /* ... */
- MESA_FORMAT_RGBA_16, /* ... */
- /*@}*/
-
- /*@{*/
- MESA_FORMAT_RED_RGTC1,
- MESA_FORMAT_SIGNED_RED_RGTC1,
- MESA_FORMAT_RG_RGTC2,
- MESA_FORMAT_SIGNED_RG_RGTC2,
- /*@}*/
-
- /*@{*/
- MESA_FORMAT_L_LATC1,
- MESA_FORMAT_SIGNED_L_LATC1,
- MESA_FORMAT_LA_LATC2,
- MESA_FORMAT_SIGNED_LA_LATC2,
- /*@}*/
-
- MESA_FORMAT_SIGNED_A8, /* AAAA AAAA */
- MESA_FORMAT_SIGNED_L8, /* LLLL LLLL */
- MESA_FORMAT_SIGNED_AL88, /* AAAA AAAA LLLL LLLL */
- MESA_FORMAT_SIGNED_I8, /* IIII IIII */
- MESA_FORMAT_SIGNED_A16, /* AAAA AAAA AAAA AAAA */
- MESA_FORMAT_SIGNED_L16, /* LLLL LLLL LLLL LLLL */
- MESA_FORMAT_SIGNED_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
- MESA_FORMAT_SIGNED_I16, /* IIII IIII IIII IIII */
-
- MESA_FORMAT_RGB9_E5_FLOAT,
- MESA_FORMAT_R11_G11_B10_FLOAT,
-
- MESA_FORMAT_COUNT
-} gl_format;
-
-
-extern const char *
-_mesa_get_format_name(gl_format format);
-
-extern GLuint
-_mesa_get_format_bytes(gl_format format);
-
-extern GLint
-_mesa_get_format_bits(gl_format format, GLenum pname);
-
-extern GLenum
-_mesa_get_format_datatype(gl_format format);
-
-extern GLenum
-_mesa_get_format_base_format(gl_format format);
-
-extern void
-_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);
-
-extern GLboolean
-_mesa_is_format_compressed(gl_format format);
-
-extern GLboolean
-_mesa_is_format_packed_depth_stencil(gl_format format);
-
-extern GLboolean
-_mesa_is_format_integer_color(gl_format format);
-
-extern GLenum
-_mesa_get_format_color_encoding(gl_format format);
-
-extern GLuint
-_mesa_format_image_size(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth);
-
-extern uint64_t
-_mesa_format_image_size64(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth);
-
-extern GLint
-_mesa_format_row_stride(gl_format format, GLsizei width);
-
-extern void
-_mesa_format_to_type_and_comps(gl_format format,
- GLenum *datatype, GLuint *comps);
-
-extern void
-_mesa_test_formats(void);
-
-extern gl_format
-_mesa_get_srgb_format_linear(gl_format format);
-
-#endif /* FORMATS_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008-2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+
+#ifndef FORMATS_H
+#define FORMATS_H
+
+
+#include <GL/gl.h>
+
+/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
+ * for GL_LUMINANCE4_ALPHA4. */
+#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
+
+
+/**
+ * Mesa texture/renderbuffer image formats.
+ */
+typedef enum
+{
+ MESA_FORMAT_NONE = 0,
+
+ /**
+ * \name Basic hardware formats
+ */
+ /*@{*/
+ /* msb <------ TEXEL BITS -----------> lsb */
+ /* ---- ---- ---- ---- ---- ---- ---- ---- */
+ MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_RGBA8888_REV, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_ARGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
+ MESA_FORMAT_XRGB8888, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_XRGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
+ MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
+ MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */
+ MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
+ MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */
+ MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
+ MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
+ MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
+ MESA_FORMAT_AL44, /* AAAA LLLL */
+ MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
+ MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */
+ MESA_FORMAT_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
+ MESA_FORMAT_AL1616_REV, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
+ MESA_FORMAT_RGB332, /* RRRG GGBB */
+ MESA_FORMAT_A8, /* AAAA AAAA */
+ MESA_FORMAT_A16, /* AAAA AAAA AAAA AAAA */
+ MESA_FORMAT_L8, /* LLLL LLLL */
+ MESA_FORMAT_L16, /* LLLL LLLL LLLL LLLL */
+ MESA_FORMAT_I8, /* IIII IIII */
+ MESA_FORMAT_I16, /* IIII IIII IIII IIII */
+ MESA_FORMAT_CI8, /* CCCC CCCC */
+ MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
+ MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
+ MESA_FORMAT_R8, /* RRRR RRRR */
+ MESA_FORMAT_RG88, /* RRRR RRRR GGGG GGGG */
+ MESA_FORMAT_RG88_REV, /* GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_R16, /* RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_RG1616, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
+ MESA_FORMAT_RG1616_REV, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_ARGB2101010, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
+ MESA_FORMAT_Z24_S8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
+ MESA_FORMAT_S8_Z24, /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_Z16, /* ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_X8_Z24, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_Z24_X8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
+ MESA_FORMAT_Z32, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_S8, /* SSSS SSSS */
+ /*@}*/
+
+ /**
+ * \name 8-bit/channel sRGB formats
+ */
+ /*@{*/
+ MESA_FORMAT_SRGB8,
+ MESA_FORMAT_SRGBA8,
+ MESA_FORMAT_SARGB8,
+ MESA_FORMAT_SL8,
+ MESA_FORMAT_SLA8,
+ MESA_FORMAT_SRGB_DXT1,
+ MESA_FORMAT_SRGBA_DXT1,
+ MESA_FORMAT_SRGBA_DXT3,
+ MESA_FORMAT_SRGBA_DXT5,
+ /*@}*/
+
+ /**
+ * \name Compressed texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_RGB_FXT1,
+ MESA_FORMAT_RGBA_FXT1,
+ MESA_FORMAT_RGB_DXT1,
+ MESA_FORMAT_RGBA_DXT1,
+ MESA_FORMAT_RGBA_DXT3,
+ MESA_FORMAT_RGBA_DXT5,
+ /*@}*/
+
+ /**
+ * \name Floating point texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_RGBA_FLOAT32,
+ MESA_FORMAT_RGBA_FLOAT16,
+ MESA_FORMAT_RGB_FLOAT32,
+ MESA_FORMAT_RGB_FLOAT16,
+ MESA_FORMAT_ALPHA_FLOAT32,
+ MESA_FORMAT_ALPHA_FLOAT16,
+ MESA_FORMAT_LUMINANCE_FLOAT32,
+ MESA_FORMAT_LUMINANCE_FLOAT16,
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+ MESA_FORMAT_INTENSITY_FLOAT32,
+ MESA_FORMAT_INTENSITY_FLOAT16,
+ MESA_FORMAT_R_FLOAT32,
+ MESA_FORMAT_R_FLOAT16,
+ MESA_FORMAT_RG_FLOAT32,
+ MESA_FORMAT_RG_FLOAT16,
+ /*@}*/
+
+ /**
+ * \name Non-normalized signed integer formats.
+ * XXX Note: these are just stand-ins for some better hardware
+ * formats TBD such as BGRA or ARGB.
+ */
+ MESA_FORMAT_RGBA_INT8,
+ MESA_FORMAT_RGBA_INT16,
+ MESA_FORMAT_RGBA_INT32,
+
+ /**
+ * \name Non-normalized unsigned integer formats.
+ */
+ MESA_FORMAT_RGBA_UINT8,
+ MESA_FORMAT_RGBA_UINT16,
+ MESA_FORMAT_RGBA_UINT32,
+
+ /* msb <------ TEXEL BITS -----------> lsb */
+ /* ---- ---- ---- ---- ---- ---- ---- ---- */
+ /**
+ * \name Signed fixed point texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */
+ MESA_FORMAT_SIGNED_R8, /* RRRR RRRR */
+ MESA_FORMAT_SIGNED_RG88_REV, /* GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_SIGNED_RGBX8888, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
+ MESA_FORMAT_SIGNED_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_SIGNED_R16, /* RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_SIGNED_GR1616, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_SIGNED_RGB_16, /* ushort[0]=R, ushort[1]=G, ushort[2]=B */
+ MESA_FORMAT_SIGNED_RGBA_16, /* ... */
+ MESA_FORMAT_RGBA_16, /* ... */
+ /*@}*/
+
+ /*@{*/
+ MESA_FORMAT_RED_RGTC1,
+ MESA_FORMAT_SIGNED_RED_RGTC1,
+ MESA_FORMAT_RG_RGTC2,
+ MESA_FORMAT_SIGNED_RG_RGTC2,
+ /*@}*/
+
+ /*@{*/
+ MESA_FORMAT_L_LATC1,
+ MESA_FORMAT_SIGNED_L_LATC1,
+ MESA_FORMAT_LA_LATC2,
+ MESA_FORMAT_SIGNED_LA_LATC2,
+ /*@}*/
+
+ MESA_FORMAT_SIGNED_A8, /* AAAA AAAA */
+ MESA_FORMAT_SIGNED_L8, /* LLLL LLLL */
+ MESA_FORMAT_SIGNED_AL88, /* AAAA AAAA LLLL LLLL */
+ MESA_FORMAT_SIGNED_I8, /* IIII IIII */
+ MESA_FORMAT_SIGNED_A16, /* AAAA AAAA AAAA AAAA */
+ MESA_FORMAT_SIGNED_L16, /* LLLL LLLL LLLL LLLL */
+ MESA_FORMAT_SIGNED_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
+ MESA_FORMAT_SIGNED_I16, /* IIII IIII IIII IIII */
+
+ MESA_FORMAT_RGB9_E5_FLOAT,
+ MESA_FORMAT_R11_G11_B10_FLOAT,
+
+ MESA_FORMAT_COUNT
+} gl_format;
+
+
+extern const char *
+_mesa_get_format_name(gl_format format);
+
+extern GLint
+_mesa_get_format_bytes(gl_format format);
+
+extern GLint
+_mesa_get_format_bits(gl_format format, GLenum pname);
+
+extern GLenum
+_mesa_get_format_datatype(gl_format format);
+
+extern GLenum
+_mesa_get_format_base_format(gl_format format);
+
+extern void
+_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);
+
+extern GLboolean
+_mesa_is_format_compressed(gl_format format);
+
+extern GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format);
+
+extern GLboolean
+_mesa_is_format_integer_color(gl_format format);
+
+extern GLenum
+_mesa_get_format_color_encoding(gl_format format);
+
+extern GLuint
+_mesa_format_image_size(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth);
+
+extern uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth);
+
+extern GLint
+_mesa_format_row_stride(gl_format format, GLsizei width);
+
+extern void
+_mesa_format_to_type_and_comps(gl_format format,
+ GLenum *datatype, GLuint *comps);
+
+extern void
+_mesa_test_formats(void);
+
+extern gl_format
+_mesa_get_srgb_format_linear(gl_format format);
+
+#endif /* FORMATS_H */