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-rw-r--r--mesalib/src/mesa/main/varray.c2410
1 files changed, 1205 insertions, 1205 deletions
diff --git a/mesalib/src/mesa/main/varray.c b/mesalib/src/mesa/main/varray.c
index cfed4b506..1f771a585 100644
--- a/mesalib/src/mesa/main/varray.c
+++ b/mesalib/src/mesa/main/varray.c
@@ -1,1205 +1,1205 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. 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
- * 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 "glheader.h"
-#include "imports.h"
-#include "bufferobj.h"
-#include "context.h"
-#include "enable.h"
-#include "enums.h"
-#include "hash.h"
-#include "image.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "varray.h"
-#include "arrayobj.h"
-#include "main/dispatch.h"
-
-
-/** Used to do error checking for GL_EXT_vertex_array_bgra */
-#define BGRA_OR_4 5
-
-
-/** Used to indicate which GL datatypes are accepted by each of the
- * glVertex/Color/Attrib/EtcPointer() functions.
- */
-#define BOOL_BIT 0x1
-#define BYTE_BIT 0x2
-#define UNSIGNED_BYTE_BIT 0x4
-#define SHORT_BIT 0x8
-#define UNSIGNED_SHORT_BIT 0x10
-#define INT_BIT 0x20
-#define UNSIGNED_INT_BIT 0x40
-#define HALF_BIT 0x80
-#define FLOAT_BIT 0x100
-#define DOUBLE_BIT 0x200
-#define FIXED_BIT 0x400
-
-
-
-/** Convert GL datatype enum into a <type>_BIT value seen above */
-static GLbitfield
-type_to_bit(const struct gl_context *ctx, GLenum type)
-{
- switch (type) {
- case GL_BOOL:
- return BOOL_BIT;
- case GL_BYTE:
- return BYTE_BIT;
- case GL_UNSIGNED_BYTE:
- return UNSIGNED_BYTE_BIT;
- case GL_SHORT:
- return SHORT_BIT;
- case GL_UNSIGNED_SHORT:
- return UNSIGNED_SHORT_BIT;
- case GL_INT:
- return INT_BIT;
- case GL_UNSIGNED_INT:
- return UNSIGNED_INT_BIT;
- case GL_HALF_FLOAT:
- if (ctx->Extensions.ARB_half_float_vertex)
- return HALF_BIT;
- else
- return 0x0;
- case GL_FLOAT:
- return FLOAT_BIT;
- case GL_DOUBLE:
- return DOUBLE_BIT;
- case GL_FIXED:
- return FIXED_BIT;
- default:
- return 0;
- }
-}
-
-
-/**
- * Do error checking and update state for glVertex/Color/TexCoord/...Pointer
- * functions.
- *
- * \param func name of calling function used for error reporting
- * \param array the array to update
- * \param dirtyBit which bit to set in ctx->Array.NewState for this array
- * \param legalTypes bitmask of *_BIT above indicating legal datatypes
- * \param sizeMin min allowable size value
- * \param sizeMax max allowable size value (may also be BGRA_OR_4)
- * \param size components per element (1, 2, 3 or 4)
- * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
- * \param stride stride between elements, in elements
- * \param normalized are integer types converted to floats in [-1, 1]?
- * \param integer integer-valued values (will not be normalized to [-1,1])
- * \param ptr the address (or offset inside VBO) of the array data
- */
-static void
-update_array(struct gl_context *ctx,
- const char *func,
- struct gl_client_array *array,
- GLbitfield dirtyBit, GLbitfield legalTypesMask,
- GLint sizeMin, GLint sizeMax,
- GLint size, GLenum type, GLsizei stride,
- GLboolean normalized, GLboolean integer,
- const GLvoid *ptr)
-{
- GLbitfield typeBit;
- GLsizei elementSize;
- GLenum format = GL_RGBA;
-
- if (ctx->API != API_OPENGLES && ctx->API != API_OPENGLES2) {
- /* fixed point arrays / data is only allowed with OpenGL ES 1.x/2.0 */
- legalTypesMask &= ~FIXED_BIT;
- }
-
- typeBit = type_to_bit(ctx, type);
- if (typeBit == 0x0 || (typeBit & legalTypesMask) == 0x0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)",
- func, _mesa_lookup_enum_by_nr(type));
- return;
- }
-
- /* Do size parameter checking.
- * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
- * must be handled specially.
- */
- if (ctx->Extensions.EXT_vertex_array_bgra &&
- sizeMax == BGRA_OR_4 &&
- size == GL_BGRA) {
- if (type != GL_UNSIGNED_BYTE) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(GL_BGRA/GLubyte)", func);
- return;
- }
- format = GL_BGRA;
- size = 4;
- }
- else if (size < sizeMin || size > sizeMax || size > 4) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", func, size);
- return;
- }
-
- ASSERT(size <= 4);
-
- if (stride < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "%s(stride=%d)", func, stride );
- return;
- }
-
- if (ctx->Array.ArrayObj->VBOonly &&
- ctx->Array.ArrayBufferObj->Name == 0) {
- /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs.
- * Generate GL_INVALID_OPERATION if that's not true.
- */
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-VBO array)", func);
- return;
- }
-
- elementSize = _mesa_sizeof_type(type) * size;
-
- array->Size = size;
- array->Type = type;
- array->Format = format;
- array->Stride = stride;
- array->StrideB = stride ? stride : elementSize;
- array->Normalized = normalized;
- array->Ptr = (const GLubyte *) ptr;
- array->_ElementSize = elementSize;
-
- _mesa_reference_buffer_object(ctx, &array->BufferObj,
- ctx->Array.ArrayBufferObj);
-
- ctx->NewState |= _NEW_ARRAY;
- ctx->Array.NewState |= dirtyBit;
-}
-
-
-void GLAPIENTRY
-_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
-{
- GLbitfield legalTypes = (SHORT_BIT | INT_BIT | FLOAT_BIT |
- DOUBLE_BIT | HALF_BIT | FIXED_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (ctx->API == API_OPENGLES)
- legalTypes |= BYTE_BIT;
-
- update_array(ctx, "glVertexPointer",
- &ctx->Array.ArrayObj->Vertex, _NEW_ARRAY_VERTEX,
- legalTypes, 2, 4,
- size, type, stride, GL_FALSE, GL_FALSE, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr )
-{
- const GLbitfield legalTypes = (BYTE_BIT | SHORT_BIT | INT_BIT |
- HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
- FIXED_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- update_array(ctx, "glNormalPointer",
- &ctx->Array.ArrayObj->Normal, _NEW_ARRAY_NORMAL,
- legalTypes, 3, 3,
- 3, type, stride, GL_TRUE, GL_FALSE, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
- SHORT_BIT | UNSIGNED_SHORT_BIT |
- INT_BIT | UNSIGNED_INT_BIT |
- HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
- FIXED_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- update_array(ctx, "glColorPointer",
- &ctx->Array.ArrayObj->Color, _NEW_ARRAY_COLOR0,
- legalTypes, 3, BGRA_OR_4,
- size, type, stride, GL_TRUE, GL_FALSE, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (HALF_BIT | FLOAT_BIT | DOUBLE_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- update_array(ctx, "glFogCoordPointer",
- &ctx->Array.ArrayObj->FogCoord, _NEW_ARRAY_FOGCOORD,
- legalTypes, 1, 1,
- 1, type, stride, GL_FALSE, GL_FALSE, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | INT_BIT |
- FLOAT_BIT | DOUBLE_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- update_array(ctx, "glIndexPointer",
- &ctx->Array.ArrayObj->Index, _NEW_ARRAY_INDEX,
- legalTypes, 1, 1,
- 1, type, stride, GL_FALSE, GL_FALSE, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_SecondaryColorPointerEXT(GLint size, GLenum type,
- GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
- SHORT_BIT | UNSIGNED_SHORT_BIT |
- INT_BIT | UNSIGNED_INT_BIT |
- HALF_BIT | FLOAT_BIT | DOUBLE_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- update_array(ctx, "glSecondaryColorPointer",
- &ctx->Array.ArrayObj->SecondaryColor, _NEW_ARRAY_COLOR1,
- legalTypes, 3, BGRA_OR_4,
- size, type, stride, GL_TRUE, GL_FALSE, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
- const GLvoid *ptr)
-{
- GLbitfield legalTypes = (SHORT_BIT | INT_BIT |
- HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
- FIXED_BIT);
- GET_CURRENT_CONTEXT(ctx);
- const GLuint unit = ctx->Array.ActiveTexture;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (ctx->API == API_OPENGLES)
- legalTypes |= BYTE_BIT;
-
- ASSERT(unit < Elements(ctx->Array.ArrayObj->TexCoord));
-
- update_array(ctx, "glTexCoordPointer",
- &ctx->Array.ArrayObj->TexCoord[unit],
- _NEW_ARRAY_TEXCOORD(unit),
- legalTypes, 1, 4,
- size, type, stride, GL_FALSE, GL_FALSE,
- ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = UNSIGNED_BYTE_BIT;
- /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
- const GLboolean integer = GL_TRUE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- update_array(ctx, "glEdgeFlagPointer",
- &ctx->Array.ArrayObj->EdgeFlag, _NEW_ARRAY_EDGEFLAG,
- legalTypes, 1, 1,
- 1, GL_UNSIGNED_BYTE, stride, GL_FALSE, integer, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (FLOAT_BIT | FIXED_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (ctx->API != API_OPENGLES) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPointSizePointer(ES 1.x only)");
- return;
- }
-
- update_array(ctx, "glPointSizePointer",
- &ctx->Array.ArrayObj->PointSize, _NEW_ARRAY_POINT_SIZE,
- legalTypes, 1, 1,
- 1, type, stride, GL_FALSE, GL_FALSE, ptr);
-}
-
-
-#if FEATURE_NV_vertex_program
-/**
- * Set a vertex attribute array.
- * Note that these arrays DO alias the conventional GL vertex arrays
- * (position, normal, color, fog, texcoord, etc).
- * The generic attribute slots at #16 and above are not touched.
- */
-void GLAPIENTRY
-_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
- GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT |
- FLOAT_BIT | DOUBLE_BIT);
- GLboolean normalized = GL_FALSE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)");
- return;
- }
-
- if (type == GL_UNSIGNED_BYTE && size != 4) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)");
- return;
- }
-
- update_array(ctx, "glVertexAttribPointerNV",
- &ctx->Array.ArrayObj->VertexAttrib[index],
- _NEW_ARRAY_ATTRIB(index),
- legalTypes, 1, BGRA_OR_4,
- size, type, stride, normalized, GL_FALSE, ptr);
-}
-#endif
-
-
-#if FEATURE_ARB_vertex_program
-/**
- * Set a generic vertex attribute array.
- * Note that these arrays DO NOT alias the conventional GL vertex arrays
- * (position, normal, color, fog, texcoord, etc).
- */
-void GLAPIENTRY
-_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
- GLboolean normalized,
- GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
- SHORT_BIT | UNSIGNED_SHORT_BIT |
- INT_BIT | UNSIGNED_INT_BIT |
- HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
- FIXED_BIT);
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)");
- return;
- }
-
- update_array(ctx, "glVertexAttribPointer",
- &ctx->Array.ArrayObj->VertexAttrib[index],
- _NEW_ARRAY_ATTRIB(index),
- legalTypes, 1, BGRA_OR_4,
- size, type, stride, normalized, GL_FALSE, ptr);
-}
-#endif
-
-
-/**
- * GL_EXT_gpu_shader4 / GL 3.0.
- * Set an integer-valued vertex attribute array.
- * Note that these arrays DO NOT alias the conventional GL vertex arrays
- * (position, normal, color, fog, texcoord, etc).
- */
-void GLAPIENTRY
-_mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
- GLsizei stride, const GLvoid *ptr)
-{
- const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
- SHORT_BIT | UNSIGNED_SHORT_BIT |
- INT_BIT | UNSIGNED_INT_BIT);
- const GLboolean normalized = GL_FALSE;
- const GLboolean integer = GL_TRUE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribIPointer(index)");
- return;
- }
-
- update_array(ctx, "glVertexAttribIPointer",
- &ctx->Array.ArrayObj->VertexAttrib[index],
- _NEW_ARRAY_ATTRIB(index),
- legalTypes, 1, 4,
- size, type, stride, normalized, integer, ptr);
-}
-
-
-
-void GLAPIENTRY
-_mesa_EnableVertexAttribArrayARB(GLuint index)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glEnableVertexAttribArrayARB(index)");
- return;
- }
-
- ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
-
- FLUSH_VERTICES(ctx, _NEW_ARRAY);
- ctx->Array.ArrayObj->VertexAttrib[index].Enabled = GL_TRUE;
- ctx->Array.ArrayObj->_Enabled |= _NEW_ARRAY_ATTRIB(index);
- ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
-}
-
-
-void GLAPIENTRY
-_mesa_DisableVertexAttribArrayARB(GLuint index)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glEnableVertexAttribArrayARB(index)");
- return;
- }
-
- ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
-
- FLUSH_VERTICES(ctx, _NEW_ARRAY);
- ctx->Array.ArrayObj->VertexAttrib[index].Enabled = GL_FALSE;
- ctx->Array.ArrayObj->_Enabled &= ~_NEW_ARRAY_ATTRIB(index);
- ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
-}
-
-
-/**
- * Return info for a vertex attribute array (no alias with legacy
- * vertex attributes (pos, normal, color, etc)). This function does
- * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
- */
-static GLuint
-get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
- const char *caller)
-{
- const struct gl_client_array *array;
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index);
- return 0;
- }
-
- ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
-
- array = &ctx->Array.ArrayObj->VertexAttrib[index];
-
- switch (pname) {
- case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
- return array->Enabled;
- case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
- return array->Size;
- case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
- return array->Stride;
- case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
- return array->Type;
- case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
- return array->Normalized;
- case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
- return array->BufferObj->Name;
- case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
- if (ctx->Extensions.EXT_gpu_shader4) {
- return array->Integer;
- }
- goto error;
- case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
- if (ctx->Extensions.ARB_instanced_arrays) {
- return array->InstanceDivisor;
- }
- goto error;
- default:
- ; /* fall-through */
- }
-
-error:
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
- return 0;
-}
-
-
-static const GLfloat *
-get_current_attrib(struct gl_context *ctx, GLuint index, const char *function)
-{
- if (index == 0) {
- if (ctx->API != API_OPENGLES2) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function);
- return NULL;
- }
- }
- else if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function);
- return NULL;
- }
-
- FLUSH_CURRENT(ctx, 0);
- return ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
-}
-
-void GLAPIENTRY
-_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv");
- if (v != NULL) {
- COPY_4V(params, v);
- }
- }
- else {
- params[0] = (GLfloat) get_vertex_array_attrib(ctx, index, pname,
- "glGetVertexAttribfv");
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv");
- if (v != NULL) {
- params[0] = (GLdouble) v[0];
- params[1] = (GLdouble) v[1];
- params[2] = (GLdouble) v[2];
- params[3] = (GLdouble) v[3];
- }
- }
- else {
- params[0] = (GLdouble) get_vertex_array_attrib(ctx, index, pname,
- "glGetVertexAttribdv");
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv");
- if (v != NULL) {
- /* XXX should floats in[0,1] be scaled to full int range? */
- params[0] = (GLint) v[0];
- params[1] = (GLint) v[1];
- params[2] = (GLint) v[2];
- params[3] = (GLint) v[3];
- }
- }
- else {
- params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
- "glGetVertexAttribiv");
- }
-}
-
-
-/** GL 3.0 */
-void GLAPIENTRY
-_mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- const GLfloat *v =
- get_current_attrib(ctx, index, "glGetVertexAttribIiv");
- if (v != NULL) {
- /* XXX we don't have true integer-valued vertex attribs yet */
- params[0] = (GLint) v[0];
- params[1] = (GLint) v[1];
- params[2] = (GLint) v[2];
- params[3] = (GLint) v[3];
- }
- }
- else {
- params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
- "glGetVertexAttribIiv");
- }
-}
-
-
-/** GL 3.0 */
-void GLAPIENTRY
-_mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
- const GLfloat *v =
- get_current_attrib(ctx, index, "glGetVertexAttribIuiv");
- if (v != NULL) {
- /* XXX we don't have true integer-valued vertex attribs yet */
- params[0] = (GLuint) v[0];
- params[1] = (GLuint) v[1];
- params[2] = (GLuint) v[2];
- params[3] = (GLuint) v[3];
- }
- }
- else {
- params[0] = get_vertex_array_attrib(ctx, index, pname,
- "glGetVertexAttribIuiv");
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)");
- return;
- }
-
- if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)");
- return;
- }
-
- ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
-
- *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
-}
-
-
-void GLAPIENTRY
-_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
- GLsizei count, const GLvoid *ptr)
-{
- (void) count;
- _mesa_VertexPointer(size, type, stride, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
- const GLvoid *ptr)
-{
- (void) count;
- _mesa_NormalPointer(type, stride, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
- const GLvoid *ptr)
-{
- (void) count;
- _mesa_ColorPointer(size, type, stride, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
- const GLvoid *ptr)
-{
- (void) count;
- _mesa_IndexPointer(type, stride, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
- GLsizei count, const GLvoid *ptr)
-{
- (void) count;
- _mesa_TexCoordPointer(size, type, stride, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr)
-{
- (void) count;
- _mesa_EdgeFlagPointer(stride, ptr);
-}
-
-
-void GLAPIENTRY
-_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLboolean tflag, cflag, nflag; /* enable/disable flags */
- GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */
- GLenum ctype = 0; /* color type */
- GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */
- const GLint toffset = 0; /* always zero */
- GLint defstride; /* default stride */
- GLint c, f;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- f = sizeof(GLfloat);
- c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f);
-
- if (stride < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" );
- return;
- }
-
- switch (format) {
- case GL_V2F:
- tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
- tcomps = 0; ccomps = 0; vcomps = 2;
- voffset = 0;
- defstride = 2*f;
- break;
- case GL_V3F:
- tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
- tcomps = 0; ccomps = 0; vcomps = 3;
- voffset = 0;
- defstride = 3*f;
- break;
- case GL_C4UB_V2F:
- tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
- tcomps = 0; ccomps = 4; vcomps = 2;
- ctype = GL_UNSIGNED_BYTE;
- coffset = 0;
- voffset = c;
- defstride = c + 2*f;
- break;
- case GL_C4UB_V3F:
- tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
- tcomps = 0; ccomps = 4; vcomps = 3;
- ctype = GL_UNSIGNED_BYTE;
- coffset = 0;
- voffset = c;
- defstride = c + 3*f;
- break;
- case GL_C3F_V3F:
- tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
- tcomps = 0; ccomps = 3; vcomps = 3;
- ctype = GL_FLOAT;
- coffset = 0;
- voffset = 3*f;
- defstride = 6*f;
- break;
- case GL_N3F_V3F:
- tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE;
- tcomps = 0; ccomps = 0; vcomps = 3;
- noffset = 0;
- voffset = 3*f;
- defstride = 6*f;
- break;
- case GL_C4F_N3F_V3F:
- tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE;
- tcomps = 0; ccomps = 4; vcomps = 3;
- ctype = GL_FLOAT;
- coffset = 0;
- noffset = 4*f;
- voffset = 7*f;
- defstride = 10*f;
- break;
- case GL_T2F_V3F:
- tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
- tcomps = 2; ccomps = 0; vcomps = 3;
- voffset = 2*f;
- defstride = 5*f;
- break;
- case GL_T4F_V4F:
- tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
- tcomps = 4; ccomps = 0; vcomps = 4;
- voffset = 4*f;
- defstride = 8*f;
- break;
- case GL_T2F_C4UB_V3F:
- tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
- tcomps = 2; ccomps = 4; vcomps = 3;
- ctype = GL_UNSIGNED_BYTE;
- coffset = 2*f;
- voffset = c+2*f;
- defstride = c+5*f;
- break;
- case GL_T2F_C3F_V3F:
- tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
- tcomps = 2; ccomps = 3; vcomps = 3;
- ctype = GL_FLOAT;
- coffset = 2*f;
- voffset = 5*f;
- defstride = 8*f;
- break;
- case GL_T2F_N3F_V3F:
- tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE;
- tcomps = 2; ccomps = 0; vcomps = 3;
- noffset = 2*f;
- voffset = 5*f;
- defstride = 8*f;
- break;
- case GL_T2F_C4F_N3F_V3F:
- tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
- tcomps = 2; ccomps = 4; vcomps = 3;
- ctype = GL_FLOAT;
- coffset = 2*f;
- noffset = 6*f;
- voffset = 9*f;
- defstride = 12*f;
- break;
- case GL_T4F_C4F_N3F_V4F:
- tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
- tcomps = 4; ccomps = 4; vcomps = 4;
- ctype = GL_FLOAT;
- coffset = 4*f;
- noffset = 8*f;
- voffset = 11*f;
- defstride = 15*f;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" );
- return;
- }
-
- if (stride==0) {
- stride = defstride;
- }
-
- _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY );
- _mesa_DisableClientState( GL_INDEX_ARRAY );
- /* XXX also disable secondary color and generic arrays? */
-
- /* Texcoords */
- if (tflag) {
- _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY );
- _mesa_TexCoordPointer( tcomps, GL_FLOAT, stride,
- (GLubyte *) pointer + toffset );
- }
- else {
- _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY );
- }
-
- /* Color */
- if (cflag) {
- _mesa_EnableClientState( GL_COLOR_ARRAY );
- _mesa_ColorPointer( ccomps, ctype, stride,
- (GLubyte *) pointer + coffset );
- }
- else {
- _mesa_DisableClientState( GL_COLOR_ARRAY );
- }
-
-
- /* Normals */
- if (nflag) {
- _mesa_EnableClientState( GL_NORMAL_ARRAY );
- _mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset );
- }
- else {
- _mesa_DisableClientState( GL_NORMAL_ARRAY );
- }
-
- /* Vertices */
- _mesa_EnableClientState( GL_VERTEX_ARRAY );
- _mesa_VertexPointer( vcomps, GL_FLOAT, stride,
- (GLubyte *) pointer + voffset );
-}
-
-
-void GLAPIENTRY
-_mesa_LockArraysEXT(GLint first, GLsizei count)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glLockArrays %d %d\n", first, count);
-
- if (first < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(first)" );
- return;
- }
- if (count <= 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(count)" );
- return;
- }
- if (ctx->Array.LockCount != 0) {
- _mesa_error( ctx, GL_INVALID_OPERATION, "glLockArraysEXT(reentry)" );
- return;
- }
-
- ctx->Array.LockFirst = first;
- ctx->Array.LockCount = count;
-
- ctx->NewState |= _NEW_ARRAY;
- ctx->Array.NewState |= _NEW_ARRAY_ALL;
-}
-
-
-void GLAPIENTRY
-_mesa_UnlockArraysEXT( void )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glUnlockArrays\n");
-
- if (ctx->Array.LockCount == 0) {
- _mesa_error( ctx, GL_INVALID_OPERATION, "glUnlockArraysEXT(reexit)" );
- return;
- }
-
- ctx->Array.LockFirst = 0;
- ctx->Array.LockCount = 0;
- ctx->NewState |= _NEW_ARRAY;
- ctx->Array.NewState |= _NEW_ARRAY_ALL;
-}
-
-
-/* GL_EXT_multi_draw_arrays */
-void GLAPIENTRY
-_mesa_MultiDrawArraysEXT( GLenum mode, const GLint *first,
- const GLsizei *count, GLsizei primcount )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- for (i = 0; i < primcount; i++) {
- if (count[i] > 0) {
- CALL_DrawArrays(ctx->Exec, (mode, first[i], count[i]));
- }
- }
-}
-
-
-/* GL_IBM_multimode_draw_arrays */
-void GLAPIENTRY
-_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
- const GLsizei * count,
- GLsizei primcount, GLint modestride )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- for ( i = 0 ; i < primcount ; i++ ) {
- if ( count[i] > 0 ) {
- GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
- CALL_DrawArrays(ctx->Exec, ( m, first[i], count[i] ));
- }
- }
-}
-
-
-/* GL_IBM_multimode_draw_arrays */
-void GLAPIENTRY
-_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
- GLenum type, const GLvoid * const * indices,
- GLsizei primcount, GLint modestride )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- /* XXX not sure about ARB_vertex_buffer_object handling here */
-
- for ( i = 0 ; i < primcount ; i++ ) {
- if ( count[i] > 0 ) {
- GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
- CALL_DrawElements(ctx->Exec, ( m, count[i], type, indices[i] ));
- }
- }
-}
-
-
-/**
- * GL_NV_primitive_restart and GL 3.1
- */
-void GLAPIENTRY
-_mesa_PrimitiveRestartIndex(GLuint index)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if (!ctx->Extensions.NV_primitive_restart &&
- ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartIndexNV()");
- return;
- }
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
-
- ctx->Array.RestartIndex = index;
-}
-
-
-/**
- * See GL_ARB_instanced_arrays.
- * Note that the instance divisor only applies to generic arrays, not
- * the legacy vertex arrays.
- */
-void GLAPIENTRY
-_mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->Extensions.ARB_instanced_arrays) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
- return;
- }
-
- if (index >= ctx->Const.VertexProgram.MaxAttribs) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)",
- index);
- return;
- }
-
- ctx->Array.ArrayObj->VertexAttrib[index].InstanceDivisor = divisor;
-}
-
-
-
-/**
- * Copy one client vertex array to another.
- */
-void
-_mesa_copy_client_array(struct gl_context *ctx,
- struct gl_client_array *dst,
- struct gl_client_array *src)
-{
- dst->Size = src->Size;
- dst->Type = src->Type;
- dst->Format = src->Format;
- dst->Stride = src->Stride;
- dst->StrideB = src->StrideB;
- dst->Ptr = src->Ptr;
- dst->Enabled = src->Enabled;
- dst->Normalized = src->Normalized;
- dst->Integer = src->Integer;
- dst->InstanceDivisor = src->InstanceDivisor;
- dst->_ElementSize = src->_ElementSize;
- _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
- dst->_MaxElement = src->_MaxElement;
-}
-
-
-
-/**
- * Print vertex array's fields.
- */
-static void
-print_array(const char *name, GLint index, const struct gl_client_array *array)
-{
- if (index >= 0)
- printf(" %s[%d]: ", name, index);
- else
- printf(" %s: ", name);
- printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
- array->Ptr, array->Type, array->Size,
- array->_ElementSize, array->StrideB,
- array->BufferObj->Name, (unsigned long) array->BufferObj->Size,
- array->_MaxElement);
-}
-
-
-/**
- * Print current vertex object/array info. For debug.
- */
-void
-_mesa_print_arrays(struct gl_context *ctx)
-{
- struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
- GLuint i;
-
- _mesa_update_array_object_max_element(ctx, arrayObj);
-
- printf("Array Object %u\n", arrayObj->Name);
- if (arrayObj->Vertex.Enabled)
- print_array("Vertex", -1, &arrayObj->Vertex);
- if (arrayObj->Normal.Enabled)
- print_array("Normal", -1, &arrayObj->Normal);
- if (arrayObj->Color.Enabled)
- print_array("Color", -1, &arrayObj->Color);
- for (i = 0; i < Elements(arrayObj->TexCoord); i++)
- if (arrayObj->TexCoord[i].Enabled)
- print_array("TexCoord", i, &arrayObj->TexCoord[i]);
- for (i = 0; i < Elements(arrayObj->VertexAttrib); i++)
- if (arrayObj->VertexAttrib[i].Enabled)
- print_array("Attrib", i, &arrayObj->VertexAttrib[i]);
- printf(" _MaxElement = %u\n", arrayObj->_MaxElement);
-}
-
-
-/**
- * Initialize vertex array state for given context.
- */
-void
-_mesa_init_varray(struct gl_context *ctx)
-{
- ctx->Array.DefaultArrayObj = _mesa_new_array_object(ctx, 0);
- _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj,
- ctx->Array.DefaultArrayObj);
- ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */
-
- ctx->Array.Objects = _mesa_NewHashTable();
-}
-
-
-/**
- * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
- */
-static void
-delete_arrayobj_cb(GLuint id, void *data, void *userData)
-{
- struct gl_array_object *arrayObj = (struct gl_array_object *) data;
- struct gl_context *ctx = (struct gl_context *) userData;
- _mesa_delete_array_object(ctx, arrayObj);
-}
-
-
-/**
- * Free vertex array state for given context.
- */
-void
-_mesa_free_varray_data(struct gl_context *ctx)
-{
- _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx);
- _mesa_DeleteHashTable(ctx->Array.Objects);
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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
+ * 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 "glheader.h"
+#include "imports.h"
+#include "bufferobj.h"
+#include "context.h"
+#include "enable.h"
+#include "enums.h"
+#include "hash.h"
+#include "image.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "varray.h"
+#include "arrayobj.h"
+#include "main/dispatch.h"
+
+
+/** Used to do error checking for GL_EXT_vertex_array_bgra */
+#define BGRA_OR_4 5
+
+
+/** Used to indicate which GL datatypes are accepted by each of the
+ * glVertex/Color/Attrib/EtcPointer() functions.
+ */
+#define BOOL_BIT 0x1
+#define BYTE_BIT 0x2
+#define UNSIGNED_BYTE_BIT 0x4
+#define SHORT_BIT 0x8
+#define UNSIGNED_SHORT_BIT 0x10
+#define INT_BIT 0x20
+#define UNSIGNED_INT_BIT 0x40
+#define HALF_BIT 0x80
+#define FLOAT_BIT 0x100
+#define DOUBLE_BIT 0x200
+#define FIXED_BIT 0x400
+
+
+
+/** Convert GL datatype enum into a <type>_BIT value seen above */
+static GLbitfield
+type_to_bit(const struct gl_context *ctx, GLenum type)
+{
+ switch (type) {
+ case GL_BOOL:
+ return BOOL_BIT;
+ case GL_BYTE:
+ return BYTE_BIT;
+ case GL_UNSIGNED_BYTE:
+ return UNSIGNED_BYTE_BIT;
+ case GL_SHORT:
+ return SHORT_BIT;
+ case GL_UNSIGNED_SHORT:
+ return UNSIGNED_SHORT_BIT;
+ case GL_INT:
+ return INT_BIT;
+ case GL_UNSIGNED_INT:
+ return UNSIGNED_INT_BIT;
+ case GL_HALF_FLOAT:
+ if (ctx->Extensions.ARB_half_float_vertex)
+ return HALF_BIT;
+ else
+ return 0x0;
+ case GL_FLOAT:
+ return FLOAT_BIT;
+ case GL_DOUBLE:
+ return DOUBLE_BIT;
+ case GL_FIXED:
+ return FIXED_BIT;
+ default:
+ return 0;
+ }
+}
+
+
+/**
+ * Do error checking and update state for glVertex/Color/TexCoord/...Pointer
+ * functions.
+ *
+ * \param func name of calling function used for error reporting
+ * \param array the array to update
+ * \param dirtyBit which bit to set in ctx->Array.NewState for this array
+ * \param legalTypes bitmask of *_BIT above indicating legal datatypes
+ * \param sizeMin min allowable size value
+ * \param sizeMax max allowable size value (may also be BGRA_OR_4)
+ * \param size components per element (1, 2, 3 or 4)
+ * \param type datatype of each component (GL_FLOAT, GL_INT, etc)
+ * \param stride stride between elements, in elements
+ * \param normalized are integer types converted to floats in [-1, 1]?
+ * \param integer integer-valued values (will not be normalized to [-1,1])
+ * \param ptr the address (or offset inside VBO) of the array data
+ */
+static void
+update_array(struct gl_context *ctx,
+ const char *func,
+ struct gl_client_array *array,
+ GLbitfield dirtyBit, GLbitfield legalTypesMask,
+ GLint sizeMin, GLint sizeMax,
+ GLint size, GLenum type, GLsizei stride,
+ GLboolean normalized, GLboolean integer,
+ const GLvoid *ptr)
+{
+ GLbitfield typeBit;
+ GLsizei elementSize;
+ GLenum format = GL_RGBA;
+
+ if (ctx->API != API_OPENGLES && ctx->API != API_OPENGLES2) {
+ /* fixed point arrays / data is only allowed with OpenGL ES 1.x/2.0 */
+ legalTypesMask &= ~FIXED_BIT;
+ }
+
+ typeBit = type_to_bit(ctx, type);
+ if (typeBit == 0x0 || (typeBit & legalTypesMask) == 0x0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(type = %s)",
+ func, _mesa_lookup_enum_by_nr(type));
+ return;
+ }
+
+ /* Do size parameter checking.
+ * If sizeMax = BGRA_OR_4 it means that size = GL_BGRA is legal and
+ * must be handled specially.
+ */
+ if (ctx->Extensions.EXT_vertex_array_bgra &&
+ sizeMax == BGRA_OR_4 &&
+ size == GL_BGRA) {
+ if (type != GL_UNSIGNED_BYTE) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(GL_BGRA/GLubyte)", func);
+ return;
+ }
+ format = GL_BGRA;
+ size = 4;
+ }
+ else if (size < sizeMin || size > sizeMax || size > 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(size=%d)", func, size);
+ return;
+ }
+
+ ASSERT(size <= 4);
+
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "%s(stride=%d)", func, stride );
+ return;
+ }
+
+ if (ctx->Array.ArrayObj->VBOonly &&
+ ctx->Array.ArrayBufferObj->Name == 0) {
+ /* GL_ARB_vertex_array_object requires that all arrays reside in VBOs.
+ * Generate GL_INVALID_OPERATION if that's not true.
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-VBO array)", func);
+ return;
+ }
+
+ elementSize = _mesa_sizeof_type(type) * size;
+
+ array->Size = size;
+ array->Type = type;
+ array->Format = format;
+ array->Stride = stride;
+ array->StrideB = stride ? stride : elementSize;
+ array->Normalized = normalized;
+ array->Ptr = (const GLubyte *) ptr;
+ array->_ElementSize = elementSize;
+
+ _mesa_reference_buffer_object(ctx, &array->BufferObj,
+ ctx->Array.ArrayBufferObj);
+
+ ctx->NewState |= _NEW_ARRAY;
+ ctx->Array.NewState |= dirtyBit;
+}
+
+
+void GLAPIENTRY
+_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ GLbitfield legalTypes = (SHORT_BIT | INT_BIT | FLOAT_BIT |
+ DOUBLE_BIT | HALF_BIT | FIXED_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (ctx->API == API_OPENGLES)
+ legalTypes |= BYTE_BIT;
+
+ update_array(ctx, "glVertexPointer",
+ &ctx->Array.ArrayObj->Vertex, _NEW_ARRAY_VERTEX,
+ legalTypes, 2, 4,
+ size, type, stride, GL_FALSE, GL_FALSE, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr )
+{
+ const GLbitfield legalTypes = (BYTE_BIT | SHORT_BIT | INT_BIT |
+ HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
+ FIXED_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ update_array(ctx, "glNormalPointer",
+ &ctx->Array.ArrayObj->Normal, _NEW_ARRAY_NORMAL,
+ legalTypes, 3, 3,
+ 3, type, stride, GL_TRUE, GL_FALSE, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
+ SHORT_BIT | UNSIGNED_SHORT_BIT |
+ INT_BIT | UNSIGNED_INT_BIT |
+ HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
+ FIXED_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ update_array(ctx, "glColorPointer",
+ &ctx->Array.ArrayObj->Color, _NEW_ARRAY_COLOR0,
+ legalTypes, 3, BGRA_OR_4,
+ size, type, stride, GL_TRUE, GL_FALSE, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (HALF_BIT | FLOAT_BIT | DOUBLE_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ update_array(ctx, "glFogCoordPointer",
+ &ctx->Array.ArrayObj->FogCoord, _NEW_ARRAY_FOGCOORD,
+ legalTypes, 1, 1,
+ 1, type, stride, GL_FALSE, GL_FALSE, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT | INT_BIT |
+ FLOAT_BIT | DOUBLE_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ update_array(ctx, "glIndexPointer",
+ &ctx->Array.ArrayObj->Index, _NEW_ARRAY_INDEX,
+ legalTypes, 1, 1,
+ 1, type, stride, GL_FALSE, GL_FALSE, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_SecondaryColorPointerEXT(GLint size, GLenum type,
+ GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
+ SHORT_BIT | UNSIGNED_SHORT_BIT |
+ INT_BIT | UNSIGNED_INT_BIT |
+ HALF_BIT | FLOAT_BIT | DOUBLE_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ update_array(ctx, "glSecondaryColorPointer",
+ &ctx->Array.ArrayObj->SecondaryColor, _NEW_ARRAY_COLOR1,
+ legalTypes, 3, BGRA_OR_4,
+ size, type, stride, GL_TRUE, GL_FALSE, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
+ const GLvoid *ptr)
+{
+ GLbitfield legalTypes = (SHORT_BIT | INT_BIT |
+ HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
+ FIXED_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint unit = ctx->Array.ActiveTexture;
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (ctx->API == API_OPENGLES)
+ legalTypes |= BYTE_BIT;
+
+ ASSERT(unit < Elements(ctx->Array.ArrayObj->TexCoord));
+
+ update_array(ctx, "glTexCoordPointer",
+ &ctx->Array.ArrayObj->TexCoord[unit],
+ _NEW_ARRAY_TEXCOORD(unit),
+ legalTypes, 1, 4,
+ size, type, stride, GL_FALSE, GL_FALSE,
+ ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = UNSIGNED_BYTE_BIT;
+ /* see table 2.4 edits in GL_EXT_gpu_shader4 spec: */
+ const GLboolean integer = GL_TRUE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ update_array(ctx, "glEdgeFlagPointer",
+ &ctx->Array.ArrayObj->EdgeFlag, _NEW_ARRAY_EDGEFLAG,
+ legalTypes, 1, 1,
+ 1, GL_UNSIGNED_BYTE, stride, GL_FALSE, integer, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_PointSizePointer(GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (FLOAT_BIT | FIXED_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (ctx->API != API_OPENGLES) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glPointSizePointer(ES 1.x only)");
+ return;
+ }
+
+ update_array(ctx, "glPointSizePointer",
+ &ctx->Array.ArrayObj->PointSize, _NEW_ARRAY_POINT_SIZE,
+ legalTypes, 1, 1,
+ 1, type, stride, GL_FALSE, GL_FALSE, ptr);
+}
+
+
+#if FEATURE_NV_vertex_program
+/**
+ * Set a vertex attribute array.
+ * Note that these arrays DO alias the conventional GL vertex arrays
+ * (position, normal, color, fog, texcoord, etc).
+ * The generic attribute slots at #16 and above are not touched.
+ */
+void GLAPIENTRY
+_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
+ GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (UNSIGNED_BYTE_BIT | SHORT_BIT |
+ FLOAT_BIT | DOUBLE_BIT);
+ GLboolean normalized = GL_FALSE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)");
+ return;
+ }
+
+ if (type == GL_UNSIGNED_BYTE && size != 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)");
+ return;
+ }
+
+ update_array(ctx, "glVertexAttribPointerNV",
+ &ctx->Array.ArrayObj->VertexAttrib[index],
+ _NEW_ARRAY_ATTRIB(index),
+ legalTypes, 1, BGRA_OR_4,
+ size, type, stride, normalized, GL_FALSE, ptr);
+}
+#endif
+
+
+#if FEATURE_ARB_vertex_program
+/**
+ * Set a generic vertex attribute array.
+ * Note that these arrays DO NOT alias the conventional GL vertex arrays
+ * (position, normal, color, fog, texcoord, etc).
+ */
+void GLAPIENTRY
+_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
+ GLboolean normalized,
+ GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
+ SHORT_BIT | UNSIGNED_SHORT_BIT |
+ INT_BIT | UNSIGNED_INT_BIT |
+ HALF_BIT | FLOAT_BIT | DOUBLE_BIT |
+ FIXED_BIT);
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)");
+ return;
+ }
+
+ update_array(ctx, "glVertexAttribPointer",
+ &ctx->Array.ArrayObj->VertexAttrib[index],
+ _NEW_ARRAY_ATTRIB(index),
+ legalTypes, 1, BGRA_OR_4,
+ size, type, stride, normalized, GL_FALSE, ptr);
+}
+#endif
+
+
+/**
+ * GL_EXT_gpu_shader4 / GL 3.0.
+ * Set an integer-valued vertex attribute array.
+ * Note that these arrays DO NOT alias the conventional GL vertex arrays
+ * (position, normal, color, fog, texcoord, etc).
+ */
+void GLAPIENTRY
+_mesa_VertexAttribIPointer(GLuint index, GLint size, GLenum type,
+ GLsizei stride, const GLvoid *ptr)
+{
+ const GLbitfield legalTypes = (BYTE_BIT | UNSIGNED_BYTE_BIT |
+ SHORT_BIT | UNSIGNED_SHORT_BIT |
+ INT_BIT | UNSIGNED_INT_BIT);
+ const GLboolean normalized = GL_FALSE;
+ const GLboolean integer = GL_TRUE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribIPointer(index)");
+ return;
+ }
+
+ update_array(ctx, "glVertexAttribIPointer",
+ &ctx->Array.ArrayObj->VertexAttrib[index],
+ _NEW_ARRAY_ATTRIB(index),
+ legalTypes, 1, 4,
+ size, type, stride, normalized, integer, ptr);
+}
+
+
+
+void GLAPIENTRY
+_mesa_EnableVertexAttribArrayARB(GLuint index)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glEnableVertexAttribArrayARB(index)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.ArrayObj->VertexAttrib[index].Enabled = GL_TRUE;
+ ctx->Array.ArrayObj->_Enabled |= _NEW_ARRAY_ATTRIB(index);
+ ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
+}
+
+
+void GLAPIENTRY
+_mesa_DisableVertexAttribArrayARB(GLuint index)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glDisableVertexAttribArrayARB(index)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.ArrayObj->VertexAttrib[index].Enabled = GL_FALSE;
+ ctx->Array.ArrayObj->_Enabled &= ~_NEW_ARRAY_ATTRIB(index);
+ ctx->Array.NewState |= _NEW_ARRAY_ATTRIB(index);
+}
+
+
+/**
+ * Return info for a vertex attribute array (no alias with legacy
+ * vertex attributes (pos, normal, color, etc)). This function does
+ * not handle the 4-element GL_CURRENT_VERTEX_ATTRIB_ARB query.
+ */
+static GLuint
+get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
+ const char *caller)
+{
+ const struct gl_client_array *array;
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", caller, index);
+ return 0;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ array = &ctx->Array.ArrayObj->VertexAttrib[index];
+
+ switch (pname) {
+ case GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB:
+ return array->Enabled;
+ case GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB:
+ return array->Size;
+ case GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB:
+ return array->Stride;
+ case GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB:
+ return array->Type;
+ case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB:
+ return array->Normalized;
+ case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
+ return array->BufferObj->Name;
+ case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
+ if (ctx->Extensions.EXT_gpu_shader4) {
+ return array->Integer;
+ }
+ goto error;
+ case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
+ if (ctx->Extensions.ARB_instanced_arrays) {
+ return array->InstanceDivisor;
+ }
+ goto error;
+ default:
+ ; /* fall-through */
+ }
+
+error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=0x%x)", caller, pname);
+ return 0;
+}
+
+
+static const GLfloat *
+get_current_attrib(struct gl_context *ctx, GLuint index, const char *function)
+{
+ if (index == 0) {
+ if (ctx->API != API_OPENGLES2) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function);
+ return NULL;
+ }
+ }
+ else if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(index>=GL_MAX_VERTEX_ATTRIBS)", function);
+ return NULL;
+ }
+
+ FLUSH_CURRENT(ctx, 0);
+ return ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index];
+}
+
+void GLAPIENTRY
+_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribfv");
+ if (v != NULL) {
+ COPY_4V(params, v);
+ }
+ }
+ else {
+ params[0] = (GLfloat) get_vertex_array_attrib(ctx, index, pname,
+ "glGetVertexAttribfv");
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribdv");
+ if (v != NULL) {
+ params[0] = (GLdouble) v[0];
+ params[1] = (GLdouble) v[1];
+ params[2] = (GLdouble) v[2];
+ params[3] = (GLdouble) v[3];
+ }
+ }
+ else {
+ params[0] = (GLdouble) get_vertex_array_attrib(ctx, index, pname,
+ "glGetVertexAttribdv");
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ const GLfloat *v = get_current_attrib(ctx, index, "glGetVertexAttribiv");
+ if (v != NULL) {
+ /* XXX should floats in[0,1] be scaled to full int range? */
+ params[0] = (GLint) v[0];
+ params[1] = (GLint) v[1];
+ params[2] = (GLint) v[2];
+ params[3] = (GLint) v[3];
+ }
+ }
+ else {
+ params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
+ "glGetVertexAttribiv");
+ }
+}
+
+
+/** GL 3.0 */
+void GLAPIENTRY
+_mesa_GetVertexAttribIiv(GLuint index, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ const GLfloat *v =
+ get_current_attrib(ctx, index, "glGetVertexAttribIiv");
+ if (v != NULL) {
+ /* XXX we don't have true integer-valued vertex attribs yet */
+ params[0] = (GLint) v[0];
+ params[1] = (GLint) v[1];
+ params[2] = (GLint) v[2];
+ params[3] = (GLint) v[3];
+ }
+ }
+ else {
+ params[0] = (GLint) get_vertex_array_attrib(ctx, index, pname,
+ "glGetVertexAttribIiv");
+ }
+}
+
+
+/** GL 3.0 */
+void GLAPIENTRY
+_mesa_GetVertexAttribIuiv(GLuint index, GLenum pname, GLuint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (pname == GL_CURRENT_VERTEX_ATTRIB_ARB) {
+ const GLfloat *v =
+ get_current_attrib(ctx, index, "glGetVertexAttribIuiv");
+ if (v != NULL) {
+ /* XXX we don't have true integer-valued vertex attribs yet */
+ params[0] = (GLuint) v[0];
+ params[1] = (GLuint) v[1];
+ params[2] = (GLuint) v[2];
+ params[3] = (GLuint) v[3];
+ }
+ }
+ else {
+ params[0] = get_vertex_array_attrib(ctx, index, pname,
+ "glGetVertexAttribIuiv");
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerARB(index)");
+ return;
+ }
+
+ if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerARB(pname)");
+ return;
+ }
+
+ ASSERT(index < Elements(ctx->Array.ArrayObj->VertexAttrib));
+
+ *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
+}
+
+
+void GLAPIENTRY
+_mesa_VertexPointerEXT(GLint size, GLenum type, GLsizei stride,
+ GLsizei count, const GLvoid *ptr)
+{
+ (void) count;
+ _mesa_VertexPointer(size, type, stride, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_NormalPointerEXT(GLenum type, GLsizei stride, GLsizei count,
+ const GLvoid *ptr)
+{
+ (void) count;
+ _mesa_NormalPointer(type, stride, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_ColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count,
+ const GLvoid *ptr)
+{
+ (void) count;
+ _mesa_ColorPointer(size, type, stride, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_IndexPointerEXT(GLenum type, GLsizei stride, GLsizei count,
+ const GLvoid *ptr)
+{
+ (void) count;
+ _mesa_IndexPointer(type, stride, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_TexCoordPointerEXT(GLint size, GLenum type, GLsizei stride,
+ GLsizei count, const GLvoid *ptr)
+{
+ (void) count;
+ _mesa_TexCoordPointer(size, type, stride, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_EdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *ptr)
+{
+ (void) count;
+ _mesa_EdgeFlagPointer(stride, ptr);
+}
+
+
+void GLAPIENTRY
+_mesa_InterleavedArrays(GLenum format, GLsizei stride, const GLvoid *pointer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLboolean tflag, cflag, nflag; /* enable/disable flags */
+ GLint tcomps, ccomps, vcomps; /* components per texcoord, color, vertex */
+ GLenum ctype = 0; /* color type */
+ GLint coffset = 0, noffset = 0, voffset;/* color, normal, vertex offsets */
+ const GLint toffset = 0; /* always zero */
+ GLint defstride; /* default stride */
+ GLint c, f;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ f = sizeof(GLfloat);
+ c = f * ((4 * sizeof(GLubyte) + (f - 1)) / f);
+
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glInterleavedArrays(stride)" );
+ return;
+ }
+
+ switch (format) {
+ case GL_V2F:
+ tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
+ tcomps = 0; ccomps = 0; vcomps = 2;
+ voffset = 0;
+ defstride = 2*f;
+ break;
+ case GL_V3F:
+ tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_FALSE;
+ tcomps = 0; ccomps = 0; vcomps = 3;
+ voffset = 0;
+ defstride = 3*f;
+ break;
+ case GL_C4UB_V2F:
+ tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
+ tcomps = 0; ccomps = 4; vcomps = 2;
+ ctype = GL_UNSIGNED_BYTE;
+ coffset = 0;
+ voffset = c;
+ defstride = c + 2*f;
+ break;
+ case GL_C4UB_V3F:
+ tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
+ tcomps = 0; ccomps = 4; vcomps = 3;
+ ctype = GL_UNSIGNED_BYTE;
+ coffset = 0;
+ voffset = c;
+ defstride = c + 3*f;
+ break;
+ case GL_C3F_V3F:
+ tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_FALSE;
+ tcomps = 0; ccomps = 3; vcomps = 3;
+ ctype = GL_FLOAT;
+ coffset = 0;
+ voffset = 3*f;
+ defstride = 6*f;
+ break;
+ case GL_N3F_V3F:
+ tflag = GL_FALSE; cflag = GL_FALSE; nflag = GL_TRUE;
+ tcomps = 0; ccomps = 0; vcomps = 3;
+ noffset = 0;
+ voffset = 3*f;
+ defstride = 6*f;
+ break;
+ case GL_C4F_N3F_V3F:
+ tflag = GL_FALSE; cflag = GL_TRUE; nflag = GL_TRUE;
+ tcomps = 0; ccomps = 4; vcomps = 3;
+ ctype = GL_FLOAT;
+ coffset = 0;
+ noffset = 4*f;
+ voffset = 7*f;
+ defstride = 10*f;
+ break;
+ case GL_T2F_V3F:
+ tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
+ tcomps = 2; ccomps = 0; vcomps = 3;
+ voffset = 2*f;
+ defstride = 5*f;
+ break;
+ case GL_T4F_V4F:
+ tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_FALSE;
+ tcomps = 4; ccomps = 0; vcomps = 4;
+ voffset = 4*f;
+ defstride = 8*f;
+ break;
+ case GL_T2F_C4UB_V3F:
+ tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
+ tcomps = 2; ccomps = 4; vcomps = 3;
+ ctype = GL_UNSIGNED_BYTE;
+ coffset = 2*f;
+ voffset = c+2*f;
+ defstride = c+5*f;
+ break;
+ case GL_T2F_C3F_V3F:
+ tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_FALSE;
+ tcomps = 2; ccomps = 3; vcomps = 3;
+ ctype = GL_FLOAT;
+ coffset = 2*f;
+ voffset = 5*f;
+ defstride = 8*f;
+ break;
+ case GL_T2F_N3F_V3F:
+ tflag = GL_TRUE; cflag = GL_FALSE; nflag = GL_TRUE;
+ tcomps = 2; ccomps = 0; vcomps = 3;
+ noffset = 2*f;
+ voffset = 5*f;
+ defstride = 8*f;
+ break;
+ case GL_T2F_C4F_N3F_V3F:
+ tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
+ tcomps = 2; ccomps = 4; vcomps = 3;
+ ctype = GL_FLOAT;
+ coffset = 2*f;
+ noffset = 6*f;
+ voffset = 9*f;
+ defstride = 12*f;
+ break;
+ case GL_T4F_C4F_N3F_V4F:
+ tflag = GL_TRUE; cflag = GL_TRUE; nflag = GL_TRUE;
+ tcomps = 4; ccomps = 4; vcomps = 4;
+ ctype = GL_FLOAT;
+ coffset = 4*f;
+ noffset = 8*f;
+ voffset = 11*f;
+ defstride = 15*f;
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glInterleavedArrays(format)" );
+ return;
+ }
+
+ if (stride==0) {
+ stride = defstride;
+ }
+
+ _mesa_DisableClientState( GL_EDGE_FLAG_ARRAY );
+ _mesa_DisableClientState( GL_INDEX_ARRAY );
+ /* XXX also disable secondary color and generic arrays? */
+
+ /* Texcoords */
+ if (tflag) {
+ _mesa_EnableClientState( GL_TEXTURE_COORD_ARRAY );
+ _mesa_TexCoordPointer( tcomps, GL_FLOAT, stride,
+ (GLubyte *) pointer + toffset );
+ }
+ else {
+ _mesa_DisableClientState( GL_TEXTURE_COORD_ARRAY );
+ }
+
+ /* Color */
+ if (cflag) {
+ _mesa_EnableClientState( GL_COLOR_ARRAY );
+ _mesa_ColorPointer( ccomps, ctype, stride,
+ (GLubyte *) pointer + coffset );
+ }
+ else {
+ _mesa_DisableClientState( GL_COLOR_ARRAY );
+ }
+
+
+ /* Normals */
+ if (nflag) {
+ _mesa_EnableClientState( GL_NORMAL_ARRAY );
+ _mesa_NormalPointer( GL_FLOAT, stride, (GLubyte *) pointer + noffset );
+ }
+ else {
+ _mesa_DisableClientState( GL_NORMAL_ARRAY );
+ }
+
+ /* Vertices */
+ _mesa_EnableClientState( GL_VERTEX_ARRAY );
+ _mesa_VertexPointer( vcomps, GL_FLOAT, stride,
+ (GLubyte *) pointer + voffset );
+}
+
+
+void GLAPIENTRY
+_mesa_LockArraysEXT(GLint first, GLsizei count)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glLockArrays %d %d\n", first, count);
+
+ if (first < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(first)" );
+ return;
+ }
+ if (count <= 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glLockArraysEXT(count)" );
+ return;
+ }
+ if (ctx->Array.LockCount != 0) {
+ _mesa_error( ctx, GL_INVALID_OPERATION, "glLockArraysEXT(reentry)" );
+ return;
+ }
+
+ ctx->Array.LockFirst = first;
+ ctx->Array.LockCount = count;
+
+ ctx->NewState |= _NEW_ARRAY;
+ ctx->Array.NewState |= _NEW_ARRAY_ALL;
+}
+
+
+void GLAPIENTRY
+_mesa_UnlockArraysEXT( void )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glUnlockArrays\n");
+
+ if (ctx->Array.LockCount == 0) {
+ _mesa_error( ctx, GL_INVALID_OPERATION, "glUnlockArraysEXT(reexit)" );
+ return;
+ }
+
+ ctx->Array.LockFirst = 0;
+ ctx->Array.LockCount = 0;
+ ctx->NewState |= _NEW_ARRAY;
+ ctx->Array.NewState |= _NEW_ARRAY_ALL;
+}
+
+
+/* GL_EXT_multi_draw_arrays */
+void GLAPIENTRY
+_mesa_MultiDrawArraysEXT( GLenum mode, const GLint *first,
+ const GLsizei *count, GLsizei primcount )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ for (i = 0; i < primcount; i++) {
+ if (count[i] > 0) {
+ CALL_DrawArrays(ctx->Exec, (mode, first[i], count[i]));
+ }
+ }
+}
+
+
+/* GL_IBM_multimode_draw_arrays */
+void GLAPIENTRY
+_mesa_MultiModeDrawArraysIBM( const GLenum * mode, const GLint * first,
+ const GLsizei * count,
+ GLsizei primcount, GLint modestride )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ for ( i = 0 ; i < primcount ; i++ ) {
+ if ( count[i] > 0 ) {
+ GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
+ CALL_DrawArrays(ctx->Exec, ( m, first[i], count[i] ));
+ }
+ }
+}
+
+
+/* GL_IBM_multimode_draw_arrays */
+void GLAPIENTRY
+_mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
+ GLenum type, const GLvoid * const * indices,
+ GLsizei primcount, GLint modestride )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ /* XXX not sure about ARB_vertex_buffer_object handling here */
+
+ for ( i = 0 ; i < primcount ; i++ ) {
+ if ( count[i] > 0 ) {
+ GLenum m = *((GLenum *) ((GLubyte *) mode + i * modestride));
+ CALL_DrawElements(ctx->Exec, ( m, count[i], type, indices[i] ));
+ }
+ }
+}
+
+
+/**
+ * GL_NV_primitive_restart and GL 3.1
+ */
+void GLAPIENTRY
+_mesa_PrimitiveRestartIndex(GLuint index)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->Extensions.NV_primitive_restart &&
+ ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glPrimitiveRestartIndexNV()");
+ return;
+ }
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+
+ ctx->Array.RestartIndex = index;
+}
+
+
+/**
+ * See GL_ARB_instanced_arrays.
+ * Note that the instance divisor only applies to generic arrays, not
+ * the legacy vertex arrays.
+ */
+void GLAPIENTRY
+_mesa_VertexAttribDivisor(GLuint index, GLuint divisor)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (!ctx->Extensions.ARB_instanced_arrays) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glVertexAttribDivisor()");
+ return;
+ }
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glVertexAttribDivisor(index = %u)",
+ index);
+ return;
+ }
+
+ ctx->Array.ArrayObj->VertexAttrib[index].InstanceDivisor = divisor;
+}
+
+
+
+/**
+ * Copy one client vertex array to another.
+ */
+void
+_mesa_copy_client_array(struct gl_context *ctx,
+ struct gl_client_array *dst,
+ struct gl_client_array *src)
+{
+ dst->Size = src->Size;
+ dst->Type = src->Type;
+ dst->Format = src->Format;
+ dst->Stride = src->Stride;
+ dst->StrideB = src->StrideB;
+ dst->Ptr = src->Ptr;
+ dst->Enabled = src->Enabled;
+ dst->Normalized = src->Normalized;
+ dst->Integer = src->Integer;
+ dst->InstanceDivisor = src->InstanceDivisor;
+ dst->_ElementSize = src->_ElementSize;
+ _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
+ dst->_MaxElement = src->_MaxElement;
+}
+
+
+
+/**
+ * Print vertex array's fields.
+ */
+static void
+print_array(const char *name, GLint index, const struct gl_client_array *array)
+{
+ if (index >= 0)
+ printf(" %s[%d]: ", name, index);
+ else
+ printf(" %s: ", name);
+ printf("Ptr=%p, Type=0x%x, Size=%d, ElemSize=%u, Stride=%d, Buffer=%u(Size %lu), MaxElem=%u\n",
+ array->Ptr, array->Type, array->Size,
+ array->_ElementSize, array->StrideB,
+ array->BufferObj->Name, (unsigned long) array->BufferObj->Size,
+ array->_MaxElement);
+}
+
+
+/**
+ * Print current vertex object/array info. For debug.
+ */
+void
+_mesa_print_arrays(struct gl_context *ctx)
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ GLuint i;
+
+ _mesa_update_array_object_max_element(ctx, arrayObj);
+
+ printf("Array Object %u\n", arrayObj->Name);
+ if (arrayObj->Vertex.Enabled)
+ print_array("Vertex", -1, &arrayObj->Vertex);
+ if (arrayObj->Normal.Enabled)
+ print_array("Normal", -1, &arrayObj->Normal);
+ if (arrayObj->Color.Enabled)
+ print_array("Color", -1, &arrayObj->Color);
+ for (i = 0; i < Elements(arrayObj->TexCoord); i++)
+ if (arrayObj->TexCoord[i].Enabled)
+ print_array("TexCoord", i, &arrayObj->TexCoord[i]);
+ for (i = 0; i < Elements(arrayObj->VertexAttrib); i++)
+ if (arrayObj->VertexAttrib[i].Enabled)
+ print_array("Attrib", i, &arrayObj->VertexAttrib[i]);
+ printf(" _MaxElement = %u\n", arrayObj->_MaxElement);
+}
+
+
+/**
+ * Initialize vertex array state for given context.
+ */
+void
+_mesa_init_varray(struct gl_context *ctx)
+{
+ ctx->Array.DefaultArrayObj = _mesa_new_array_object(ctx, 0);
+ _mesa_reference_array_object(ctx, &ctx->Array.ArrayObj,
+ ctx->Array.DefaultArrayObj);
+ ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */
+
+ ctx->Array.Objects = _mesa_NewHashTable();
+}
+
+
+/**
+ * Callback for deleting an array object. Called by _mesa_HashDeleteAll().
+ */
+static void
+delete_arrayobj_cb(GLuint id, void *data, void *userData)
+{
+ struct gl_array_object *arrayObj = (struct gl_array_object *) data;
+ struct gl_context *ctx = (struct gl_context *) userData;
+ _mesa_delete_array_object(ctx, arrayObj);
+}
+
+
+/**
+ * Free vertex array state for given context.
+ */
+void
+_mesa_free_varray_data(struct gl_context *ctx)
+{
+ _mesa_HashDeleteAll(ctx->Array.Objects, delete_arrayobj_cb, ctx);
+ _mesa_DeleteHashTable(ctx->Array.Objects);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 20:08:03 +0000