diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/shader/slang/MachineIndependent/ShaderLang.cpp')
| -rwxr-xr-x | nx-X11/extras/Mesa/src/mesa/shader/slang/MachineIndependent/ShaderLang.cpp | 607 |
1 files changed, 607 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/shader/slang/MachineIndependent/ShaderLang.cpp b/nx-X11/extras/Mesa/src/mesa/shader/slang/MachineIndependent/ShaderLang.cpp new file mode 100755 index 000000000..3f37e15f3 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/shader/slang/MachineIndependent/ShaderLang.cpp @@ -0,0 +1,607 @@ +//
+//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
+//All rights reserved.
+//
+//Redistribution and use in source and binary forms, with or without
+//modification, are permitted provided that the following conditions
+//are met:
+//
+// Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+//
+// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+//POSSIBILITY OF SUCH DAMAGE.
+//
+
+//
+// Implement the top-level of interface to the compiler/linker,
+// as defined in ShaderLang.h
+//
+#include "SymbolTable.h"
+#include "ParseHelper.h"
+#include "../Include/ShHandle.h"
+#include "Initialisation.h"
+
+#define SH_EXPORTING
+#include "../Public/ShaderLangExt.h"
+
+#include "Include/ResourceLimits.h"
+#include "Initialize.h"
+
+extern "C" int InitPreprocessor(void);
+extern "C" int FinalizePreprocessor(void);
+extern void SetGlobalPoolAllocatorPtr(TPoolAllocator* poolAllocator);
+
+bool generateBuiltInSymbolTable(const TBuiltInResource* resources, TInfoSink&, TSymbolTable*, EShLanguage language = EShLangCount);
+bool initializeSymbolTable(TBuiltInStrings* BuiltInStrings, EShLanguage language, TInfoSink& infoSink, const TBuiltInResource *resources, TSymbolTable*);
+
+//
+// A symbol table for each language. Each has a different
+// set of built-ins, and we want to preserve that from
+// compile to compile.
+//
+TSymbolTable SymbolTables[EShLangCount];
+
+TPoolAllocator* PerProcessGPA = 0;
+//
+// This is the platform independent interface between an OGL driver
+// and the shading language compiler/linker.
+//
+
+//
+// Driver must call this first, once, before doing any other
+// compiler/linker operations.
+//
+int ShInitialize()
+{
+ TInfoSink infoSink;
+ bool ret = true;
+
+ if (!InitProcess())
+ return 0;
+
+ // This method should be called once per process. If its called by multiple threads, then
+ // we need to have thread synchronization code around the initialization of per process
+ // global pool allocator
+ if (!PerProcessGPA) {
+ TPoolAllocator *builtInPoolAllocator = new TPoolAllocator(true);
+ builtInPoolAllocator->push();
+ TPoolAllocator* gPoolAllocator = &GlobalPoolAllocator;
+ SetGlobalPoolAllocatorPtr(builtInPoolAllocator);
+
+ TSymbolTable symTables[EShLangCount];
+ generateBuiltInSymbolTable(0, infoSink, symTables);
+
+ PerProcessGPA = new TPoolAllocator(true);
+ PerProcessGPA->push();
+ SetGlobalPoolAllocatorPtr(PerProcessGPA);
+
+ SymbolTables[EShLangVertex].copyTable(symTables[EShLangVertex]);
+ SymbolTables[EShLangFragment].copyTable(symTables[EShLangFragment]);
+
+ SetGlobalPoolAllocatorPtr(gPoolAllocator);
+
+ symTables[EShLangVertex].pop();
+ symTables[EShLangFragment].pop();
+
+ builtInPoolAllocator->popAll();
+ delete builtInPoolAllocator;
+
+ }
+
+ return ret ? 1 : 0;
+}
+
+//
+// Driver calls these to create and destroy compiler/linker
+// objects.
+//
+
+ShHandle ShConstructCompiler(const EShLanguage language, int debugOptions)
+{
+ if (!InitThread())
+ return 0;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(ConstructCompiler(language, debugOptions));
+
+ return reinterpret_cast<void*>(base);
+}
+
+ShHandle ShConstructLinker(const EShExecutable executable, int debugOptions)
+{
+ if (!InitThread())
+ return 0;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(ConstructLinker(executable, debugOptions));
+
+ return reinterpret_cast<void*>(base);
+}
+
+ShHandle ShConstructUniformMap()
+{
+ if (!InitThread())
+ return 0;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(ConstructUniformMap());
+
+ return reinterpret_cast<void*>(base);
+}
+
+void ShDestruct(ShHandle handle)
+{
+ if (handle == 0)
+ return;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(handle);
+
+ if (base->getAsCompiler())
+ DeleteCompiler(base->getAsCompiler());
+ else if (base->getAsLinker())
+ DeleteLinker(base->getAsLinker());
+ else if (base->getAsUniformMap())
+ DeleteUniformMap(base->getAsUniformMap());
+}
+
+//
+// Cleanup symbol tables
+//
+int __fastcall ShFinalize()
+{
+ if (PerProcessGPA) {
+ PerProcessGPA->popAll();
+ delete PerProcessGPA;
+ }
+ return 1;
+}
+
+//
+// This function should be called only once by the Master Dll. Currently, this is being called for each thread
+// which is incorrect. This is required to keep the Sh interface working for now and will eventually be called
+// from master dll once.
+//
+bool generateBuiltInSymbolTable(const TBuiltInResource* resources, TInfoSink& infoSink, TSymbolTable* symbolTables, EShLanguage language)
+{
+ TBuiltIns builtIns;
+
+ if (resources) {
+ builtIns.initialize(*resources);
+ initializeSymbolTable(builtIns.getBuiltInStrings(), language, infoSink, resources, symbolTables);
+ } else {
+ builtIns.initialize();
+ initializeSymbolTable(builtIns.getBuiltInStrings(), EShLangVertex, infoSink, resources, symbolTables);
+ initializeSymbolTable(builtIns.getBuiltInStrings(), EShLangFragment, infoSink, resources, symbolTables);
+ }
+
+ return true;
+}
+
+bool initializeSymbolTable(TBuiltInStrings* BuiltInStrings, EShLanguage language, TInfoSink& infoSink, const TBuiltInResource* resources, TSymbolTable* symbolTables)
+{
+ TIntermediate intermediate(infoSink);
+ TSymbolTable* symbolTable;
+
+ if (resources)
+ symbolTable = symbolTables;
+ else
+ symbolTable = &symbolTables[language];
+
+ TParseContext parseContext(*symbolTable, intermediate, language, infoSink);
+
+ GlobalParseContext = &parseContext;
+
+ setInitialState();
+
+ assert (symbolTable->isEmpty() || symbolTable->atSharedBuiltInLevel());
+
+ //
+ // Parse the built-ins. This should only happen once per
+ // language symbol table.
+ //
+ // Push the symbol table to give it an initial scope. This
+ // push should not have a corresponding pop, so that built-ins
+ // are preserved, and the test for an empty table fails.
+ //
+
+ symbolTable->push();
+
+ //Initialize the Preprocessor
+ int ret = InitPreprocessor();
+ if (ret) {
+ infoSink.info.message(EPrefixInternalError, "Unable to intialize the Preprocessor");
+ return false;
+ }
+
+ for (TBuiltInStrings::iterator i = BuiltInStrings[parseContext.language].begin();
+ i != BuiltInStrings[parseContext.language].end();
+ ++i) {
+ const char* builtInShaders[1];
+ int builtInLengths[1];
+
+ builtInShaders[0] = (*i).c_str();
+ builtInLengths[0] = (int) (*i).size();
+
+ if (PaParseStrings(const_cast<char**>(builtInShaders), builtInLengths, 1, parseContext) != 0) {
+ infoSink.info.message(EPrefixInternalError, "Unable to parse built-ins");
+ return false;
+ }
+ }
+
+ if (resources) {
+ IdentifyBuiltIns(parseContext.language, *symbolTable, *resources);
+ } else {
+ IdentifyBuiltIns(parseContext.language, *symbolTable);
+ }
+
+ FinalizePreprocessor();
+
+ return true;
+}
+
+
+//
+// Do an actual compile on the given strings. The result is left
+// in the given compile object.
+//
+// Return: The return value of ShCompile is really boolean, indicating
+// success or failure.
+//
+int ShCompile(
+ const ShHandle handle,
+ const char* const shaderStrings[],
+ const int numStrings,
+ const EShOptimizationLevel optLevel,
+ const TBuiltInResource* resources,
+ int debugOptions
+ )
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TCompiler* compiler = base->getAsCompiler();
+ if (compiler == 0)
+ return 0;
+
+ GlobalPoolAllocator.push();
+ compiler->infoSink.info.erase();
+ compiler->infoSink.debug.erase();
+
+ if (numStrings == 0)
+ return 1;
+
+ TIntermediate intermediate(compiler->infoSink);
+ TSymbolTable symbolTable(SymbolTables[compiler->getLanguage()]);
+
+ generateBuiltInSymbolTable(resources, compiler->infoSink, &symbolTable, compiler->getLanguage());
+
+ TParseContext parseContext(symbolTable, intermediate, compiler->getLanguage(), compiler->infoSink);
+ parseContext.initializeExtensionBehavior();
+
+ GlobalParseContext = &parseContext;
+
+ setInitialState();
+
+ InitPreprocessor();
+ //
+ // Parse the application's shaders. All the following symbol table
+ // work will be throw-away, so push a new allocation scope that can
+ // be thrown away, then push a scope for the current shader's globals.
+ //
+ bool success = true;
+
+ symbolTable.push();
+ if (!symbolTable.atGlobalLevel())
+ parseContext.infoSink.info.message(EPrefixInternalError, "Wrong symbol table level");
+
+ if (parseContext.insertBuiltInArrayAtGlobalLevel())
+ success = false;
+
+ int ret = PaParseStrings(const_cast<char**>(shaderStrings), 0, numStrings, parseContext);
+ if (ret)
+ success = false;
+
+ if (success && parseContext.treeRoot) {
+ if (optLevel == EShOptNoGeneration)
+ parseContext.infoSink.info.message(EPrefixNone, "No errors. No code generation or linking was requested.");
+ else {
+ success = intermediate.postProcess(parseContext.treeRoot, parseContext.language);
+
+ if (success) {
+
+ if (debugOptions & EDebugOpIntermediate)
+ intermediate.outputTree(parseContext.treeRoot);
+
+ //
+ // Call the machine dependent compiler
+ //
+ if (! compiler->compile(parseContext.treeRoot))
+ success = false;
+ }
+ }
+ } else if (!success) {
+ parseContext.infoSink.info.prefix(EPrefixError);
+ parseContext.infoSink.info << parseContext.numErrors << " compilation errors. No code generated.\n\n";
+ success = false;
+ if (debugOptions & EDebugOpIntermediate)
+ intermediate.outputTree(parseContext.treeRoot);
+ }
+
+ intermediate.remove(parseContext.treeRoot);
+
+ //
+ // Ensure symbol table is returned to the built-in level,
+ // throwing away all but the built-ins.
+ //
+ while (! symbolTable.atSharedBuiltInLevel())
+ symbolTable.pop();
+
+ FinalizePreprocessor();
+ //
+ // Throw away all the temporary memory used by the compilation process.
+ //
+ GlobalPoolAllocator.pop();
+
+ return success ? 1 : 0;
+}
+
+//
+// Do an actual link on the given compile objects.
+//
+// Return: The return value of is really boolean, indicating
+// success or failure.
+//
+int ShLink(
+ const ShHandle linkHandle,
+ const ShHandle compHandles[],
+ const int numHandles,
+ ShHandle uniformMapHandle,
+ short int** uniformsAccessed,
+ int* numUniformsAccessed)
+
+{
+ if (!InitThread())
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(linkHandle);
+ TLinker* linker = static_cast<TLinker*>(base->getAsLinker());
+ if (linker == 0)
+ return 0;
+
+ int returnValue;
+ GlobalPoolAllocator.push();
+ returnValue = ShLinkExt(linkHandle, compHandles, numHandles);
+ GlobalPoolAllocator.pop();
+
+ if (returnValue)
+ return 1;
+
+ return 0;
+}
+//
+// This link method will be eventually used once the ICD supports the new linker interface
+//
+int ShLinkExt(
+ const ShHandle linkHandle,
+ const ShHandle compHandles[],
+ const int numHandles)
+{
+ if (linkHandle == 0 || numHandles == 0)
+ return 0;
+
+ THandleList cObjects;
+
+ {// support MSVC++6.0
+ for (int i = 0; i < numHandles; ++i) {
+ if (compHandles[i] == 0)
+ return 0;
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(compHandles[i]);
+ if (base->getAsLinker()) {
+ cObjects.push_back(base->getAsLinker());
+ }
+ if (base->getAsCompiler())
+ cObjects.push_back(base->getAsCompiler());
+
+
+ if (cObjects[i] == 0)
+ return 0;
+ }
+ }
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(linkHandle);
+ TLinker* linker = static_cast<TLinker*>(base->getAsLinker());
+
+ if (linker == 0)
+ return 0;
+
+ linker->infoSink.info.erase();
+
+ {// support MSVC++6.0
+ for (int i = 0; i < numHandles; ++i) {
+ if (cObjects[i]->getAsCompiler()) {
+ if (! cObjects[i]->getAsCompiler()->linkable()) {
+ linker->infoSink.info.message(EPrefixError, "Not all shaders have valid object code.");
+ return 0;
+ }
+ }
+ }
+ }
+
+ bool ret = linker->link(cObjects);
+
+ return ret ? 1 : 0;
+}
+
+//
+// ShSetEncrpytionMethod is a place-holder for specifying
+// how source code is encrypted.
+//
+void ShSetEncryptionMethod(ShHandle handle)
+{
+ if (handle == 0)
+ return;
+}
+
+//
+// Return any compiler/linker/uniformmap log of messages for the application.
+//
+const char* ShGetInfoLog(const ShHandle handle)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = static_cast<TShHandleBase*>(handle);
+ TInfoSink* infoSink;
+
+ if (base->getAsCompiler())
+ infoSink = &(base->getAsCompiler()->getInfoSink());
+ else if (base->getAsLinker())
+ infoSink = &(base->getAsLinker()->getInfoSink());
+
+ infoSink->info << infoSink->debug.c_str();
+ return infoSink->info.c_str();
+}
+
+//
+// Return the resulting binary code from the link process. Structure
+// is machine dependent.
+//
+const void* ShGetExecutable(const ShHandle handle)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+
+ TLinker* linker = static_cast<TLinker*>(base->getAsLinker());
+ if (linker == 0)
+ return 0;
+
+ return linker->getObjectCode();
+}
+
+//
+// Let the linker know where the application said it's attributes are bound.
+// The linker does not use these values, they are remapped by the ICD or
+// hardware. It just needs them to know what's aliased.
+//
+// Return: The return value of is really boolean, indicating
+// success or failure.
+//
+// This is to preserve the old linker API, P20 code can use the generic
+// ShConstructBinding() and ShAddBinding() APIs
+//
+int ShSetVirtualAttributeBindings(const ShHandle handle, const ShBindingTable* table)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TLinker* linker = static_cast<TLinker*>(base->getAsLinker());
+
+ if (linker == 0)
+ return 0;
+
+ linker->setAppAttributeBindings(table);
+
+ return 1;
+}
+
+//
+// Let the linker know where the predefined attributes have to live.
+// This is to preserve the old linker API, P20 code can use the generic
+// ShConstructBinding() and ShAddBinding() APIs
+//
+int ShSetFixedAttributeBindings(const ShHandle handle, const ShBindingTable* table)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TLinker* linker = static_cast<TLinker*>(base->getAsLinker());
+
+ if (linker == 0)
+ return 0;
+
+ linker->setFixedAttributeBindings(table);
+ return 1;
+}
+
+//
+// Some attribute locations are off-limits to the linker...
+//
+int ShExcludeAttributes(const ShHandle handle, int *attributes, int count)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return 0;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TLinker* linker = static_cast<TLinker*>(base->getAsLinker());
+ if (linker == 0)
+ return 0;
+
+ linker->setExcludedAttributes(attributes, count);
+
+ return 1;
+}
+
+//
+// Return the index for OpenGL to use for knowing where a uniform lives.
+//
+// Return: The return value of is really boolean, indicating
+// success or failure.
+//
+// We dont have to change this code for now since the TUniformMap being
+// passed back to ICD by the linker is the same as being used for the old P10 linker
+//
+int ShGetUniformLocation(const ShHandle handle, const char* name)
+{
+ if (!InitThread())
+ return 0;
+
+ if (handle == 0)
+ return -1;
+
+ TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
+ TUniformMap* uniformMap= base->getAsUniformMap();
+ if (uniformMap == 0)
+ return -1;
+
+ return uniformMap->getLocation(name);
+}
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