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-rw-r--r--src/mesa/main/varray.c941
1 files changed, 941 insertions, 0 deletions
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
new file mode 100644
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+++ b/src/mesa/main/varray.c
@@ -0,0 +1,941 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * Copyright (C) 1999-2006 Brian Paul 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 "mtypes.h"
+#include "varray.h"
+#include "arrayobj.h"
+#include "dispatch.h"
+
+#ifndef GL_BOOLEAN
+#define GL_BOOLEAN 0x9999
+#endif
+
+
+/**
+ * Update the fields of a vertex array object.
+ * We need to do a few special things for arrays that live in
+ * vertex buffer objects.
+ *
+ * \param array the array to update
+ * \param dirtyBit which bit to set in ctx->Array.NewState for this array
+ * \param elementSize size of each array element, in bytes
+ * \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 ptr the address (or offset inside VBO) of the array data
+ */
+static void
+update_array(GLcontext *ctx, struct gl_client_array *array,
+ GLbitfield dirtyBit, GLsizei elementSize,
+ GLint size, GLenum type,
+ GLsizei stride, GLboolean normalized, const GLvoid *ptr)
+{
+ array->Size = size;
+ array->Type = type;
+ array->Stride = stride;
+ array->StrideB = stride ? stride : elementSize;
+ array->Normalized = normalized;
+ array->Ptr = (const GLubyte *) ptr;
+#if FEATURE_ARB_vertex_buffer_object
+ array->BufferObj->RefCount--;
+ if (array->BufferObj->RefCount <= 0) {
+ ASSERT(array->BufferObj->Name);
+ _mesa_remove_buffer_object( ctx, array->BufferObj );
+ (*ctx->Driver.DeleteBuffer)( ctx, array->BufferObj );
+ }
+ array->BufferObj = ctx->Array.ArrayBufferObj;
+ array->BufferObj->RefCount++;
+ /* Compute the index of the last array element that's inside the buffer.
+ * Later in glDrawArrays we'll check if start + count > _MaxElement to
+ * be sure we won't go out of bounds.
+ */
+ if (ctx->Array.ArrayBufferObj->Name)
+ array->_MaxElement = ((GLsizeiptrARB) ctx->Array.ArrayBufferObj->Size
+ - (GLsizeiptrARB) array->Ptr) / array->StrideB;
+ else
+#endif
+ array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
+
+ ctx->NewState |= _NEW_ARRAY;
+ ctx->Array.NewState |= dirtyBit;
+}
+
+
+void GLAPIENTRY
+_mesa_VertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (size < 2 || size > 4) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glVertexPointer(size)" );
+ return;
+ }
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glVertexPointer(stride)" );
+ return;
+ }
+
+ if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
+ _mesa_debug(ctx, "glVertexPointer( sz %d type %s stride %d )\n", size,
+ _mesa_lookup_enum_by_nr( type ), stride);
+
+ /* always need to check that <type> is legal */
+ switch (type) {
+ case GL_SHORT:
+ elementSize = size * sizeof(GLshort);
+ break;
+ case GL_INT:
+ elementSize = size * sizeof(GLint);
+ break;
+ case GL_FLOAT:
+ elementSize = size * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = size * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glVertexPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->Vertex, _NEW_ARRAY_VERTEX,
+ elementSize, size, type, stride, GL_FALSE, ptr);
+
+ if (ctx->Driver.VertexPointer)
+ ctx->Driver.VertexPointer( ctx, size, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_NormalPointer(GLenum type, GLsizei stride, const GLvoid *ptr )
+{
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glNormalPointer(stride)" );
+ return;
+ }
+
+ if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
+ _mesa_debug(ctx, "glNormalPointer( type %s stride %d )\n",
+ _mesa_lookup_enum_by_nr( type ), stride);
+
+ switch (type) {
+ case GL_BYTE:
+ elementSize = 3 * sizeof(GLbyte);
+ break;
+ case GL_SHORT:
+ elementSize = 3 * sizeof(GLshort);
+ break;
+ case GL_INT:
+ elementSize = 3 * sizeof(GLint);
+ break;
+ case GL_FLOAT:
+ elementSize = 3 * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = 3 * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glNormalPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->Normal, _NEW_ARRAY_NORMAL,
+ elementSize, 3, type, stride, GL_TRUE, ptr);
+
+ if (ctx->Driver.NormalPointer)
+ ctx->Driver.NormalPointer( ctx, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_ColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (size < 3 || size > 4) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glColorPointer(size)" );
+ return;
+ }
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glColorPointer(stride)" );
+ return;
+ }
+
+ if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
+ _mesa_debug(ctx, "glColorPointer( sz %d type %s stride %d )\n", size,
+ _mesa_lookup_enum_by_nr( type ), stride);
+
+ switch (type) {
+ case GL_BYTE:
+ elementSize = size * sizeof(GLbyte);
+ break;
+ case GL_UNSIGNED_BYTE:
+ elementSize = size * sizeof(GLubyte);
+ break;
+ case GL_SHORT:
+ elementSize = size * sizeof(GLshort);
+ break;
+ case GL_UNSIGNED_SHORT:
+ elementSize = size * sizeof(GLushort);
+ break;
+ case GL_INT:
+ elementSize = size * sizeof(GLint);
+ break;
+ case GL_UNSIGNED_INT:
+ elementSize = size * sizeof(GLuint);
+ break;
+ case GL_FLOAT:
+ elementSize = size * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = size * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glColorPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->Color, _NEW_ARRAY_COLOR0,
+ elementSize, size, type, stride, GL_TRUE, ptr);
+
+ if (ctx->Driver.ColorPointer)
+ ctx->Driver.ColorPointer( ctx, size, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_FogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ GLint elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glFogCoordPointer(stride)" );
+ return;
+ }
+
+ switch (type) {
+ case GL_FLOAT:
+ elementSize = sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glFogCoordPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->FogCoord, _NEW_ARRAY_FOGCOORD,
+ elementSize, 1, type, stride, GL_FALSE, ptr);
+
+ if (ctx->Driver.FogCoordPointer)
+ ctx->Driver.FogCoordPointer( ctx, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_IndexPointer(GLenum type, GLsizei stride, const GLvoid *ptr)
+{
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glIndexPointer(stride)" );
+ return;
+ }
+
+ switch (type) {
+ case GL_UNSIGNED_BYTE:
+ elementSize = sizeof(GLubyte);
+ break;
+ case GL_SHORT:
+ elementSize = sizeof(GLshort);
+ break;
+ case GL_INT:
+ elementSize = sizeof(GLint);
+ break;
+ case GL_FLOAT:
+ elementSize = sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glIndexPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->Index, _NEW_ARRAY_INDEX,
+ elementSize, 1, type, stride, GL_FALSE, ptr);
+
+ if (ctx->Driver.IndexPointer)
+ ctx->Driver.IndexPointer( ctx, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_SecondaryColorPointerEXT(GLint size, GLenum type,
+ GLsizei stride, const GLvoid *ptr)
+{
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (size != 3 && size != 4) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glSecondaryColorPointer(size)" );
+ return;
+ }
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glSecondaryColorPointer(stride)" );
+ return;
+ }
+
+ if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
+ _mesa_debug(ctx, "glSecondaryColorPointer( sz %d type %s stride %d )\n",
+ size, _mesa_lookup_enum_by_nr( type ), stride);
+
+ switch (type) {
+ case GL_BYTE:
+ elementSize = size * sizeof(GLbyte);
+ break;
+ case GL_UNSIGNED_BYTE:
+ elementSize = size * sizeof(GLubyte);
+ break;
+ case GL_SHORT:
+ elementSize = size * sizeof(GLshort);
+ break;
+ case GL_UNSIGNED_SHORT:
+ elementSize = size * sizeof(GLushort);
+ break;
+ case GL_INT:
+ elementSize = size * sizeof(GLint);
+ break;
+ case GL_UNSIGNED_INT:
+ elementSize = size * sizeof(GLuint);
+ break;
+ case GL_FLOAT:
+ elementSize = size * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = size * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glSecondaryColorPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->SecondaryColor, _NEW_ARRAY_COLOR1,
+ elementSize, size, type, stride, GL_TRUE, ptr);
+
+ if (ctx->Driver.SecondaryColorPointer)
+ ctx->Driver.SecondaryColorPointer( ctx, size, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_TexCoordPointer(GLint size, GLenum type, GLsizei stride,
+ const GLvoid *ptr)
+{
+ GLint elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint unit = ctx->Array.ActiveTexture;
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (size < 1 || size > 4) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(size)" );
+ return;
+ }
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexCoordPointer(stride)" );
+ return;
+ }
+
+ if (MESA_VERBOSE&(VERBOSE_VARRAY|VERBOSE_API))
+ _mesa_debug(ctx, "glTexCoordPointer(unit %u sz %d type %s stride %d)\n",
+ unit, size, _mesa_lookup_enum_by_nr( type ), stride);
+
+ /* always need to check that <type> is legal */
+ switch (type) {
+ case GL_SHORT:
+ elementSize = size * sizeof(GLshort);
+ break;
+ case GL_INT:
+ elementSize = size * sizeof(GLint);
+ break;
+ case GL_FLOAT:
+ elementSize = size * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = size * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexCoordPointer(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->TexCoord[unit],
+ _NEW_ARRAY_TEXCOORD(unit),
+ elementSize, size, type, stride, GL_FALSE, ptr);
+
+ if (ctx->Driver.TexCoordPointer)
+ ctx->Driver.TexCoordPointer( ctx, size, type, stride, ptr );
+}
+
+
+void GLAPIENTRY
+_mesa_EdgeFlagPointer(GLsizei stride, const GLvoid *ptr)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (stride < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glEdgeFlagPointer(stride)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->EdgeFlag, _NEW_ARRAY_EDGEFLAG,
+ sizeof(GLboolean), 1, GL_BOOLEAN, stride, GL_FALSE, ptr);
+
+ if (ctx->Driver.EdgeFlagPointer)
+ ctx->Driver.EdgeFlagPointer( ctx, stride, ptr );
+}
+
+
+#if FEATURE_NV_vertex_program
+void GLAPIENTRY
+_mesa_VertexAttribPointerNV(GLuint index, GLint size, GLenum type,
+ GLsizei stride, const GLvoid *ptr)
+{
+ const GLboolean normalized = GL_FALSE;
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= MAX_VERTEX_PROGRAM_ATTRIBS) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(index)");
+ return;
+ }
+
+ if (size < 1 || size > 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size)");
+ return;
+ }
+
+ if (stride < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(stride)");
+ return;
+ }
+
+ if (type == GL_UNSIGNED_BYTE && size != 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerNV(size!=4)");
+ return;
+ }
+
+ /* check for valid 'type' and compute StrideB right away */
+ switch (type) {
+ case GL_UNSIGNED_BYTE:
+ elementSize = size * sizeof(GLubyte);
+ break;
+ case GL_SHORT:
+ elementSize = size * sizeof(GLshort);
+ break;
+ case GL_FLOAT:
+ elementSize = size * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = size * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttribPointerNV(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index],
+ _NEW_ARRAY_ATTRIB(index),
+ elementSize, size, type, stride, normalized, ptr);
+
+ if (ctx->Driver.VertexAttribPointer)
+ ctx->Driver.VertexAttribPointer( ctx, index, size, type, stride, ptr );
+}
+#endif
+
+
+#if FEATURE_ARB_vertex_program
+void GLAPIENTRY
+_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
+ GLboolean normalized,
+ GLsizei stride, const GLvoid *ptr)
+{
+ GLsizei elementSize;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (index >= ctx->Const.VertexProgram.MaxAttribs) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(index)");
+ return;
+ }
+
+ if (size < 1 || size > 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(size)");
+ return;
+ }
+
+ if (stride < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(stride)");
+ return;
+ }
+
+ if (type == GL_UNSIGNED_BYTE && size != 4) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glVertexAttribPointerARB(size!=4)");
+ return;
+ }
+
+ /* check for valid 'type' and compute StrideB right away */
+ /* NOTE: more types are supported here than in the NV extension */
+ switch (type) {
+ case GL_BYTE:
+ elementSize = size * sizeof(GLbyte);
+ break;
+ case GL_UNSIGNED_BYTE:
+ elementSize = size * sizeof(GLubyte);
+ break;
+ case GL_SHORT:
+ elementSize = size * sizeof(GLshort);
+ break;
+ case GL_UNSIGNED_SHORT:
+ elementSize = size * sizeof(GLushort);
+ break;
+ case GL_INT:
+ elementSize = size * sizeof(GLint);
+ break;
+ case GL_UNSIGNED_INT:
+ elementSize = size * sizeof(GLuint);
+ break;
+ case GL_FLOAT:
+ elementSize = size * sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ elementSize = size * sizeof(GLdouble);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glVertexAttribPointerARB(type)" );
+ return;
+ }
+
+ update_array(ctx, &ctx->Array.ArrayObj->VertexAttrib[index],
+ _NEW_ARRAY_ATTRIB(index),
+ elementSize, size, type, stride, normalized, ptr);
+
+ if (ctx->Driver.VertexAttribPointer)
+ ctx->Driver.VertexAttribPointer(ctx, index, size, type, stride, ptr);
+}
+#endif
+
+
+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 && count > 0 &&
+ count <= (GLint) ctx->Const.MaxArrayLockSize) {
+ ctx->Array.LockFirst = first;
+ ctx->Array.LockCount = count;
+ }
+ else {
+ ctx->Array.LockFirst = 0;
+ ctx->Array.LockCount = 0;
+ }
+
+ ctx->NewState |= _NEW_ARRAY;
+ ctx->Array.NewState |= _NEW_ARRAY_ALL;
+
+ if (ctx->Driver.LockArraysEXT)
+ ctx->Driver.LockArraysEXT( ctx, first, count );
+}
+
+
+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");
+
+ ctx->Array.LockFirst = 0;
+ ctx->Array.LockCount = 0;
+ ctx->NewState |= _NEW_ARRAY;
+ ctx->Array.NewState |= _NEW_ARRAY_ALL;
+
+ if (ctx->Driver.UnlockArraysEXT)
+ ctx->Driver.UnlockArraysEXT( ctx );
+}
+
+
+/* GL_EXT_multi_draw_arrays */
+/* Somebody forgot to spec the first and count parameters as const! <sigh> */
+void GLAPIENTRY
+_mesa_MultiDrawArraysEXT( GLenum mode, GLint *first,
+ 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_EXT_multi_draw_arrays */
+void GLAPIENTRY
+_mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
+ const GLvoid **indices, 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_DrawElements(ctx->Exec, (mode, count[i], type, indices[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] ));
+ }
+ }
+}
+
+
+/**
+ * Initialize vertex array state for given context.
+ */
+void
+_mesa_init_varray(GLcontext *ctx)
+{
+ ctx->Array.DefaultArrayObj = _mesa_new_array_object(ctx, 0);
+ ctx->Array.ArrayObj = ctx->Array.DefaultArrayObj;
+
+ ctx->Array.ActiveTexture = 0; /* GL_ARB_multitexture */
+}