svn merge ^/branches/released .

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);

+}