1153 lines
45 KiB
C
1153 lines
45 KiB
C
/* $Id: attrib.c,v 1.51 2001/05/29 15:23:48 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.5
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*
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* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifdef PC_HEADER
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#include "all.h"
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#else
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#include "glheader.h"
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#include "accum.h"
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#include "alpha.h"
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#include "attrib.h"
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#include "blend.h"
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#include "buffers.h"
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#include "clip.h"
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#include "colormac.h"
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#include "context.h"
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#include "depth.h"
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#include "enable.h"
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#include "enums.h"
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#include "fog.h"
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#include "hint.h"
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#include "light.h"
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#include "lines.h"
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#include "logic.h"
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#include "masking.h"
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#include "matrix.h"
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#include "mem.h"
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#include "points.h"
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#include "polygon.h"
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#include "scissor.h"
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#include "simple_list.h"
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#include "stencil.h"
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#include "texstate.h"
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#include "mtypes.h"
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#endif
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/*
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* Allocate a new attribute state node. These nodes have a
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* "kind" value and a pointer to a struct of state data.
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*/
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static struct gl_attrib_node *
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new_attrib_node( GLbitfield kind )
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{
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struct gl_attrib_node *an = MALLOC_STRUCT(gl_attrib_node);
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if (an) {
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an->kind = kind;
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}
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return an;
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}
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/*
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* Copy texture object state from one texture object to another.
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*/
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static void
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copy_texobj_state( struct gl_texture_object *dest,
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const struct gl_texture_object *src )
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{
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/*
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dest->Name = src->Name;
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dest->Dimensions = src->Dimensions;
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*/
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dest->Priority = src->Priority;
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dest->BorderColor[0] = src->BorderColor[0];
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dest->BorderColor[1] = src->BorderColor[1];
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dest->BorderColor[2] = src->BorderColor[2];
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dest->BorderColor[3] = src->BorderColor[3];
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dest->WrapS = src->WrapS;
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dest->WrapT = src->WrapT;
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dest->WrapR = src->WrapR;
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dest->MinFilter = src->MinFilter;
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dest->MagFilter = src->MagFilter;
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dest->MinLod = src->MinLod;
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dest->MaxLod = src->MaxLod;
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dest->BaseLevel = src->BaseLevel;
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dest->MaxLevel = src->MaxLevel;
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dest->MaxAnisotropy = src->MaxAnisotropy;
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dest->CompareFlag = src->CompareFlag;
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dest->CompareOperator = src->CompareOperator;
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dest->ShadowAmbient = src->ShadowAmbient;
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dest->_MaxLevel = src->_MaxLevel;
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dest->_MaxLambda = src->_MaxLambda;
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dest->Palette = src->Palette;
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dest->Complete = src->Complete;
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}
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void
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_mesa_PushAttrib(GLbitfield mask)
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{
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struct gl_attrib_node *newnode;
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struct gl_attrib_node *head;
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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if (MESA_VERBOSE&VERBOSE_API)
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fprintf(stderr, "glPushAttrib %x\n", (int)mask);
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if (ctx->AttribStackDepth >= MAX_ATTRIB_STACK_DEPTH) {
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_mesa_error( ctx, GL_STACK_OVERFLOW, "glPushAttrib" );
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return;
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}
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/* Build linked list of attribute nodes which save all attribute */
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/* groups specified by the mask. */
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head = NULL;
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if (mask & GL_ACCUM_BUFFER_BIT) {
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struct gl_accum_attrib *attr;
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attr = MALLOC_STRUCT( gl_accum_attrib );
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MEMCPY( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) );
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newnode = new_attrib_node( GL_ACCUM_BUFFER_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_COLOR_BUFFER_BIT) {
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struct gl_colorbuffer_attrib *attr;
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attr = MALLOC_STRUCT( gl_colorbuffer_attrib );
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MEMCPY( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) );
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newnode = new_attrib_node( GL_COLOR_BUFFER_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_CURRENT_BIT) {
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struct gl_current_attrib *attr;
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FLUSH_CURRENT( ctx, 0 );
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attr = MALLOC_STRUCT( gl_current_attrib );
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MEMCPY( attr, &ctx->Current, sizeof(struct gl_current_attrib) );
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newnode = new_attrib_node( GL_CURRENT_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_DEPTH_BUFFER_BIT) {
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struct gl_depthbuffer_attrib *attr;
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attr = MALLOC_STRUCT( gl_depthbuffer_attrib );
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MEMCPY( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) );
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newnode = new_attrib_node( GL_DEPTH_BUFFER_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_ENABLE_BIT) {
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struct gl_enable_attrib *attr;
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GLuint i;
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attr = MALLOC_STRUCT( gl_enable_attrib );
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/* Copy enable flags from all other attributes into the enable struct. */
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attr->AlphaTest = ctx->Color.AlphaEnabled;
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attr->AutoNormal = ctx->Eval.AutoNormal;
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attr->Blend = ctx->Color.BlendEnabled;
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for (i=0;i<MAX_CLIP_PLANES;i++) {
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attr->ClipPlane[i] = ctx->Transform.ClipEnabled[i];
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}
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attr->ColorMaterial = ctx->Light.ColorMaterialEnabled;
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attr->Convolution1D = ctx->Pixel.Convolution1DEnabled;
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attr->Convolution2D = ctx->Pixel.Convolution2DEnabled;
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attr->Separable2D = ctx->Pixel.Separable2DEnabled;
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attr->CullFace = ctx->Polygon.CullFlag;
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attr->DepthTest = ctx->Depth.Test;
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attr->Dither = ctx->Color.DitherFlag;
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attr->Fog = ctx->Fog.Enabled;
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for (i=0;i<MAX_LIGHTS;i++) {
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attr->Light[i] = ctx->Light.Light[i].Enabled;
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}
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attr->Lighting = ctx->Light.Enabled;
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attr->LineSmooth = ctx->Line.SmoothFlag;
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attr->LineStipple = ctx->Line.StippleFlag;
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attr->Histogram = ctx->Pixel.HistogramEnabled;
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attr->MinMax = ctx->Pixel.MinMaxEnabled;
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attr->IndexLogicOp = ctx->Color.IndexLogicOpEnabled;
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attr->ColorLogicOp = ctx->Color.ColorLogicOpEnabled;
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attr->Map1Color4 = ctx->Eval.Map1Color4;
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attr->Map1Index = ctx->Eval.Map1Index;
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attr->Map1Normal = ctx->Eval.Map1Normal;
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attr->Map1TextureCoord1 = ctx->Eval.Map1TextureCoord1;
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attr->Map1TextureCoord2 = ctx->Eval.Map1TextureCoord2;
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attr->Map1TextureCoord3 = ctx->Eval.Map1TextureCoord3;
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attr->Map1TextureCoord4 = ctx->Eval.Map1TextureCoord4;
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attr->Map1Vertex3 = ctx->Eval.Map1Vertex3;
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attr->Map1Vertex4 = ctx->Eval.Map1Vertex4;
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attr->Map2Color4 = ctx->Eval.Map2Color4;
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attr->Map2Index = ctx->Eval.Map2Index;
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attr->Map2Normal = ctx->Eval.Map2Normal;
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attr->Map2TextureCoord1 = ctx->Eval.Map2TextureCoord1;
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attr->Map2TextureCoord2 = ctx->Eval.Map2TextureCoord2;
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attr->Map2TextureCoord3 = ctx->Eval.Map2TextureCoord3;
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attr->Map2TextureCoord4 = ctx->Eval.Map2TextureCoord4;
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attr->Map2Vertex3 = ctx->Eval.Map2Vertex3;
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attr->Map2Vertex4 = ctx->Eval.Map2Vertex4;
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attr->Normalize = ctx->Transform.Normalize;
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attr->PixelTexture = ctx->Pixel.PixelTextureEnabled;
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attr->PointSmooth = ctx->Point.SmoothFlag;
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attr->PolygonOffsetPoint = ctx->Polygon.OffsetPoint;
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attr->PolygonOffsetLine = ctx->Polygon.OffsetLine;
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attr->PolygonOffsetFill = ctx->Polygon.OffsetFill;
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attr->PolygonSmooth = ctx->Polygon.SmoothFlag;
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attr->PolygonStipple = ctx->Polygon.StippleFlag;
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attr->RescaleNormals = ctx->Transform.RescaleNormals;
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attr->Scissor = ctx->Scissor.Enabled;
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attr->Stencil = ctx->Stencil.Enabled;
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attr->MultisampleEnabled = ctx->Multisample.Enabled;
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attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage;
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attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
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attr->SampleCoverage = ctx->Multisample.SampleCoverage;
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attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert;
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for (i=0; i<MAX_TEXTURE_UNITS; i++) {
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attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
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attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
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}
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newnode = new_attrib_node( GL_ENABLE_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_EVAL_BIT) {
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struct gl_eval_attrib *attr;
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attr = MALLOC_STRUCT( gl_eval_attrib );
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MEMCPY( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) );
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newnode = new_attrib_node( GL_EVAL_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_FOG_BIT) {
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struct gl_fog_attrib *attr;
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attr = MALLOC_STRUCT( gl_fog_attrib );
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MEMCPY( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) );
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newnode = new_attrib_node( GL_FOG_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_HINT_BIT) {
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struct gl_hint_attrib *attr;
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attr = MALLOC_STRUCT( gl_hint_attrib );
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MEMCPY( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) );
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newnode = new_attrib_node( GL_HINT_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_LIGHTING_BIT) {
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struct gl_light_attrib *attr;
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FLUSH_CURRENT(ctx, 0); /* flush material changes */
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attr = MALLOC_STRUCT( gl_light_attrib );
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MEMCPY( attr, &ctx->Light, sizeof(struct gl_light_attrib) );
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newnode = new_attrib_node( GL_LIGHTING_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_LINE_BIT) {
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struct gl_line_attrib *attr;
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attr = MALLOC_STRUCT( gl_line_attrib );
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MEMCPY( attr, &ctx->Line, sizeof(struct gl_line_attrib) );
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newnode = new_attrib_node( GL_LINE_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_LIST_BIT) {
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struct gl_list_attrib *attr;
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attr = MALLOC_STRUCT( gl_list_attrib );
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MEMCPY( attr, &ctx->List, sizeof(struct gl_list_attrib) );
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newnode = new_attrib_node( GL_LIST_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_PIXEL_MODE_BIT) {
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struct gl_pixel_attrib *attr;
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attr = MALLOC_STRUCT( gl_pixel_attrib );
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MEMCPY( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) );
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newnode = new_attrib_node( GL_PIXEL_MODE_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_POINT_BIT) {
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struct gl_point_attrib *attr;
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attr = MALLOC_STRUCT( gl_point_attrib );
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MEMCPY( attr, &ctx->Point, sizeof(struct gl_point_attrib) );
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newnode = new_attrib_node( GL_POINT_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_POLYGON_BIT) {
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struct gl_polygon_attrib *attr;
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attr = MALLOC_STRUCT( gl_polygon_attrib );
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MEMCPY( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) );
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newnode = new_attrib_node( GL_POLYGON_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_POLYGON_STIPPLE_BIT) {
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GLuint *stipple;
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stipple = (GLuint *) MALLOC( 32*sizeof(GLuint) );
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MEMCPY( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) );
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newnode = new_attrib_node( GL_POLYGON_STIPPLE_BIT );
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newnode->data = stipple;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_SCISSOR_BIT) {
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struct gl_scissor_attrib *attr;
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attr = MALLOC_STRUCT( gl_scissor_attrib );
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MEMCPY( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) );
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newnode = new_attrib_node( GL_SCISSOR_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_STENCIL_BUFFER_BIT) {
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struct gl_stencil_attrib *attr;
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attr = MALLOC_STRUCT( gl_stencil_attrib );
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MEMCPY( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) );
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newnode = new_attrib_node( GL_STENCIL_BUFFER_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_TEXTURE_BIT) {
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struct gl_texture_attrib *attr;
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GLuint u;
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/* Bump the texture object reference counts so that they don't
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* inadvertantly get deleted.
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*/
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for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
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ctx->Texture.Unit[u].Current1D->RefCount++;
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ctx->Texture.Unit[u].Current2D->RefCount++;
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ctx->Texture.Unit[u].Current3D->RefCount++;
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ctx->Texture.Unit[u].CurrentCubeMap->RefCount++;
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}
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attr = MALLOC_STRUCT( gl_texture_attrib );
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MEMCPY( attr, &ctx->Texture, sizeof(struct gl_texture_attrib) );
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/* copy state of the currently bound texture objects */
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for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
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copy_texobj_state(&attr->Unit[u].Saved1D, attr->Unit[u].Current1D);
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copy_texobj_state(&attr->Unit[u].Saved2D, attr->Unit[u].Current2D);
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copy_texobj_state(&attr->Unit[u].Saved3D, attr->Unit[u].Current3D);
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copy_texobj_state(&attr->Unit[u].SavedCubeMap, attr->Unit[u].CurrentCubeMap);
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}
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newnode = new_attrib_node( GL_TEXTURE_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_TRANSFORM_BIT) {
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struct gl_transform_attrib *attr;
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attr = MALLOC_STRUCT( gl_transform_attrib );
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MEMCPY( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) );
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newnode = new_attrib_node( GL_TRANSFORM_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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if (mask & GL_VIEWPORT_BIT) {
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struct gl_viewport_attrib *attr;
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attr = MALLOC_STRUCT( gl_viewport_attrib );
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MEMCPY( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) );
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newnode = new_attrib_node( GL_VIEWPORT_BIT );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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/* GL_ARB_multisample */
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if (mask & GL_MULTISAMPLE_BIT_ARB) {
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struct gl_multisample_attrib *attr;
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attr = MALLOC_STRUCT( gl_multisample_attrib );
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MEMCPY( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
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newnode = new_attrib_node( GL_MULTISAMPLE_BIT_ARB );
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newnode->data = attr;
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newnode->next = head;
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head = newnode;
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}
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ctx->AttribStack[ctx->AttribStackDepth] = head;
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ctx->AttribStackDepth++;
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}
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static void
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pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
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{
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GLuint i;
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#define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \
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if ((VALUE) != (NEWVALUE)) { \
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_mesa_set_enable( ctx, ENUM, (NEWVALUE) ); \
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}
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TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST);
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TEST_AND_UPDATE(ctx->Transform.Normalize, enable->AutoNormal, GL_NORMALIZE);
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TEST_AND_UPDATE(ctx->Color.BlendEnabled, enable->Blend, GL_BLEND);
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for (i=0;i<MAX_CLIP_PLANES;i++) {
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if (ctx->Transform.ClipEnabled[i] != enable->ClipPlane[i])
|
|
_mesa_set_enable(ctx, (GLenum) (GL_CLIP_PLANE0 + i),
|
|
enable->ClipPlane[i]);
|
|
}
|
|
|
|
TEST_AND_UPDATE(ctx->Light.ColorMaterialEnabled, enable->ColorMaterial,
|
|
GL_COLOR_MATERIAL);
|
|
TEST_AND_UPDATE(ctx->Polygon.CullFlag, enable->CullFace, GL_CULL_FACE);
|
|
TEST_AND_UPDATE(ctx->Depth.Test, enable->DepthTest, GL_DEPTH_TEST);
|
|
TEST_AND_UPDATE(ctx->Color.DitherFlag, enable->Dither, GL_DITHER);
|
|
TEST_AND_UPDATE(ctx->Pixel.Convolution1DEnabled, enable->Convolution1D,
|
|
GL_CONVOLUTION_1D);
|
|
TEST_AND_UPDATE(ctx->Pixel.Convolution2DEnabled, enable->Convolution2D,
|
|
GL_CONVOLUTION_2D);
|
|
TEST_AND_UPDATE(ctx->Pixel.Separable2DEnabled, enable->Separable2D,
|
|
GL_SEPARABLE_2D);
|
|
TEST_AND_UPDATE(ctx->Fog.Enabled, enable->Fog, GL_FOG);
|
|
TEST_AND_UPDATE(ctx->Light.Enabled, enable->Lighting, GL_LIGHTING);
|
|
TEST_AND_UPDATE(ctx->Line.SmoothFlag, enable->LineSmooth, GL_LINE_SMOOTH);
|
|
TEST_AND_UPDATE(ctx->Line.StippleFlag, enable->LineStipple,
|
|
GL_LINE_STIPPLE);
|
|
TEST_AND_UPDATE(ctx->Color.IndexLogicOpEnabled, enable->IndexLogicOp,
|
|
GL_INDEX_LOGIC_OP);
|
|
TEST_AND_UPDATE(ctx->Color.ColorLogicOpEnabled, enable->ColorLogicOp,
|
|
GL_COLOR_LOGIC_OP);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1Color4, enable->Map1Color4, GL_MAP1_COLOR_4);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1Index, enable->Map1Index, GL_MAP1_INDEX);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1Normal, enable->Map1Normal, GL_MAP1_NORMAL);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord1, enable->Map1TextureCoord1,
|
|
GL_MAP1_TEXTURE_COORD_1);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord2, enable->Map1TextureCoord2,
|
|
GL_MAP1_TEXTURE_COORD_2);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord3, enable->Map1TextureCoord3,
|
|
GL_MAP1_TEXTURE_COORD_3);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord4, enable->Map1TextureCoord4,
|
|
GL_MAP1_TEXTURE_COORD_4);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1Vertex3, enable->Map1Vertex3,
|
|
GL_MAP1_VERTEX_3);
|
|
TEST_AND_UPDATE(ctx->Eval.Map1Vertex4, enable->Map1Vertex4,
|
|
GL_MAP1_VERTEX_4);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2Color4, enable->Map2Color4, GL_MAP2_COLOR_4);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2Index, enable->Map2Index, GL_MAP2_INDEX);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2Normal, enable->Map2Normal, GL_MAP2_NORMAL);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord1, enable->Map2TextureCoord1,
|
|
GL_MAP2_TEXTURE_COORD_1);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord2, enable->Map2TextureCoord2,
|
|
GL_MAP2_TEXTURE_COORD_2);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord3, enable->Map2TextureCoord3,
|
|
GL_MAP2_TEXTURE_COORD_3);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord4, enable->Map2TextureCoord4,
|
|
GL_MAP2_TEXTURE_COORD_4);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2Vertex3, enable->Map2Vertex3,
|
|
GL_MAP2_VERTEX_3);
|
|
TEST_AND_UPDATE(ctx->Eval.Map2Vertex4, enable->Map2Vertex4,
|
|
GL_MAP2_VERTEX_4);
|
|
TEST_AND_UPDATE(ctx->Transform.Normalize, enable->Normalize, GL_NORMALIZE);
|
|
TEST_AND_UPDATE(ctx->Transform.RescaleNormals, enable->RescaleNormals,
|
|
GL_RESCALE_NORMAL_EXT);
|
|
TEST_AND_UPDATE(ctx->Pixel.PixelTextureEnabled, enable->PixelTexture,
|
|
GL_POINT_SMOOTH);
|
|
TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth,
|
|
GL_POINT_SMOOTH);
|
|
TEST_AND_UPDATE(ctx->Polygon.OffsetPoint, enable->PolygonOffsetPoint,
|
|
GL_POLYGON_OFFSET_POINT);
|
|
TEST_AND_UPDATE(ctx->Polygon.OffsetLine, enable->PolygonOffsetLine,
|
|
GL_POLYGON_OFFSET_LINE);
|
|
TEST_AND_UPDATE(ctx->Polygon.OffsetFill, enable->PolygonOffsetFill,
|
|
GL_POLYGON_OFFSET_FILL);
|
|
TEST_AND_UPDATE(ctx->Polygon.SmoothFlag, enable->PolygonSmooth,
|
|
GL_POLYGON_SMOOTH);
|
|
TEST_AND_UPDATE(ctx->Polygon.StippleFlag, enable->PolygonStipple,
|
|
GL_POLYGON_STIPPLE);
|
|
TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST);
|
|
TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST);
|
|
TEST_AND_UPDATE(ctx->Multisample.Enabled, enable->MultisampleEnabled,
|
|
GL_MULTISAMPLE_ARB);
|
|
TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage,
|
|
enable->SampleAlphaToCoverage,
|
|
GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);
|
|
TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToOne,
|
|
enable->SampleAlphaToOne,
|
|
GL_SAMPLE_ALPHA_TO_ONE_ARB);
|
|
TEST_AND_UPDATE(ctx->Multisample.SampleCoverage,
|
|
enable->SampleCoverage,
|
|
GL_SAMPLE_COVERAGE_ARB);
|
|
TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert,
|
|
enable->SampleCoverageInvert,
|
|
GL_SAMPLE_COVERAGE_INVERT_ARB);
|
|
#undef TEST_AND_UPDATE
|
|
|
|
/* texture unit enables */
|
|
for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
|
|
if (ctx->Texture.Unit[i].Enabled != enable->Texture[i]) {
|
|
ctx->Texture.Unit[i].Enabled = enable->Texture[i];
|
|
if (ctx->Driver.Enable) {
|
|
if (ctx->Driver.ActiveTexture) {
|
|
(*ctx->Driver.ActiveTexture)(ctx, i);
|
|
}
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_1D,
|
|
(GLboolean) (enable->Texture[i] & TEXTURE0_1D) );
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_2D,
|
|
(GLboolean) (enable->Texture[i] & TEXTURE0_2D) );
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_3D,
|
|
(GLboolean) (enable->Texture[i] & TEXTURE0_3D) );
|
|
}
|
|
}
|
|
|
|
if (ctx->Texture.Unit[i].TexGenEnabled != enable->TexGen[i]) {
|
|
ctx->Texture.Unit[i].TexGenEnabled = enable->TexGen[i];
|
|
if (ctx->Driver.Enable) {
|
|
if (ctx->Driver.ActiveTexture) {
|
|
(*ctx->Driver.ActiveTexture)(ctx, i);
|
|
}
|
|
if (enable->TexGen[i] & S_BIT)
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_S, GL_TRUE);
|
|
else
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_S, GL_FALSE);
|
|
if (enable->TexGen[i] & T_BIT)
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_T, GL_TRUE);
|
|
else
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_T, GL_FALSE);
|
|
if (enable->TexGen[i] & R_BIT)
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_R, GL_TRUE);
|
|
else
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_R, GL_FALSE);
|
|
if (enable->TexGen[i] & Q_BIT)
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_TRUE);
|
|
else
|
|
(*ctx->Driver.Enable)( ctx, GL_TEXTURE_GEN_Q, GL_FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ctx->Driver.ActiveTexture) {
|
|
(*ctx->Driver.ActiveTexture)(ctx, ctx->Texture.CurrentUnit);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib)
|
|
{
|
|
GLuint u;
|
|
|
|
/* "un-bump" the texture object reference counts. We did that so they
|
|
* wouldn't inadvertantly get deleted.
|
|
*/
|
|
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
|
|
ctx->Texture.Unit[u].Current1D->RefCount--;
|
|
ctx->Texture.Unit[u].Current2D->RefCount--;
|
|
ctx->Texture.Unit[u].Current3D->RefCount--;
|
|
ctx->Texture.Unit[u].CurrentCubeMap->RefCount--;
|
|
}
|
|
|
|
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
|
|
const struct gl_texture_unit *unit = &texAttrib->Unit[u];
|
|
GLuint numObjs, i;
|
|
|
|
_mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u);
|
|
_mesa_set_enable(ctx, GL_TEXTURE_1D, unit->Enabled & TEXTURE0_1D);
|
|
_mesa_set_enable(ctx, GL_TEXTURE_2D, unit->Enabled & TEXTURE0_2D);
|
|
_mesa_set_enable(ctx, GL_TEXTURE_3D, unit->Enabled & TEXTURE0_3D);
|
|
if (ctx->Extensions.ARB_texture_cube_map) {
|
|
_mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP_ARB,
|
|
unit->Enabled & TEXTURE0_CUBE);
|
|
}
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode);
|
|
_mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor);
|
|
_mesa_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenModeS);
|
|
_mesa_TexGeni(GL_T, GL_TEXTURE_GEN_MODE, unit->GenModeT);
|
|
_mesa_TexGeni(GL_R, GL_TEXTURE_GEN_MODE, unit->GenModeR);
|
|
_mesa_TexGeni(GL_Q, GL_TEXTURE_GEN_MODE, unit->GenModeQ);
|
|
_mesa_TexGenfv(GL_S, GL_OBJECT_PLANE, unit->ObjectPlaneS);
|
|
_mesa_TexGenfv(GL_T, GL_OBJECT_PLANE, unit->ObjectPlaneT);
|
|
_mesa_TexGenfv(GL_R, GL_OBJECT_PLANE, unit->ObjectPlaneR);
|
|
_mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->ObjectPlaneQ);
|
|
_mesa_TexGenfv(GL_S, GL_EYE_PLANE, unit->EyePlaneS);
|
|
_mesa_TexGenfv(GL_T, GL_EYE_PLANE, unit->EyePlaneT);
|
|
_mesa_TexGenfv(GL_R, GL_EYE_PLANE, unit->EyePlaneR);
|
|
_mesa_TexGenfv(GL_Q, GL_EYE_PLANE, unit->EyePlaneQ);
|
|
if (ctx->Extensions.EXT_texture_lod_bias) {
|
|
_mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
|
|
GL_TEXTURE_LOD_BIAS_EXT, unit->LodBias);
|
|
}
|
|
if (ctx->Extensions.EXT_texture_env_combine ||
|
|
ctx->Extensions.ARB_texture_env_combine) {
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT,
|
|
unit->CombineModeRGB);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT,
|
|
unit->CombineModeA);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT,
|
|
unit->CombineSourceRGB[0]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT,
|
|
unit->CombineSourceRGB[1]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT,
|
|
unit->CombineSourceRGB[2]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT,
|
|
unit->CombineSourceA[0]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT,
|
|
unit->CombineSourceA[1]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT,
|
|
unit->CombineSourceA[2]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT,
|
|
unit->CombineOperandRGB[0]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT,
|
|
unit->CombineOperandRGB[1]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT,
|
|
unit->CombineOperandRGB[2]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT,
|
|
unit->CombineOperandA[0]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT,
|
|
unit->CombineOperandA[1]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT,
|
|
unit->CombineOperandA[2]);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT,
|
|
1 << unit->CombineScaleShiftRGB);
|
|
_mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE,
|
|
1 << unit->CombineScaleShiftA);
|
|
}
|
|
|
|
/* Restore texture object state */
|
|
numObjs = ctx->Extensions.ARB_texture_cube_map ? 4 : 3;
|
|
|
|
for (i = 0; i < numObjs; i++) {
|
|
GLenum target = 0;
|
|
const struct gl_texture_object *obj = NULL;
|
|
GLfloat bordColor[4];
|
|
|
|
switch (i) {
|
|
case 0:
|
|
target = GL_TEXTURE_1D;
|
|
obj = &unit->Saved1D;
|
|
break;
|
|
case 1:
|
|
target = GL_TEXTURE_2D;
|
|
obj = &unit->Saved2D;
|
|
break;
|
|
case 2:
|
|
target = GL_TEXTURE_3D;
|
|
obj = &unit->Saved3D;
|
|
break;
|
|
case 3:
|
|
target = GL_TEXTURE_CUBE_MAP_ARB;
|
|
obj = &unit->SavedCubeMap;
|
|
break;
|
|
default:
|
|
; /* silence warnings */
|
|
}
|
|
|
|
bordColor[0] = CHAN_TO_FLOAT(obj->BorderColor[0]);
|
|
bordColor[1] = CHAN_TO_FLOAT(obj->BorderColor[1]);
|
|
bordColor[2] = CHAN_TO_FLOAT(obj->BorderColor[2]);
|
|
bordColor[3] = CHAN_TO_FLOAT(obj->BorderColor[3]);
|
|
|
|
_mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority);
|
|
_mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, bordColor);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, obj->WrapR);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, obj->MinFilter);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, obj->MagFilter);
|
|
_mesa_TexParameterf(target, GL_TEXTURE_MIN_LOD, obj->MinLod);
|
|
_mesa_TexParameterf(target, GL_TEXTURE_MAX_LOD, obj->MaxLod);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, obj->BaseLevel);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, obj->MaxLevel);
|
|
if (ctx->Extensions.EXT_texture_filter_anisotropic) {
|
|
_mesa_TexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT,
|
|
obj->MaxAnisotropy);
|
|
}
|
|
if (ctx->Extensions.SGIX_shadow) {
|
|
_mesa_TexParameteri(target, GL_TEXTURE_COMPARE_SGIX,
|
|
obj->CompareFlag);
|
|
_mesa_TexParameteri(target, GL_TEXTURE_COMPARE_OPERATOR_SGIX,
|
|
obj->CompareOperator);
|
|
}
|
|
if (ctx->Extensions.SGIX_shadow_ambient) {
|
|
_mesa_TexParameterf(target, GL_SHADOW_AMBIENT_SGIX,
|
|
CHAN_TO_FLOAT(obj->ShadowAmbient));
|
|
}
|
|
|
|
}
|
|
}
|
|
_mesa_ActiveTextureARB(GL_TEXTURE0_ARB
|
|
+ texAttrib->CurrentUnit);
|
|
}
|
|
|
|
|
|
/*
|
|
* This function is kind of long just because we have to call a lot
|
|
* of device driver functions to update device driver state.
|
|
*
|
|
* XXX As it is now, most of the pop-code calls immediate-mode Mesa functions
|
|
* in order to restore GL state. This isn't terribly efficient but it
|
|
* ensures that dirty flags and any derived state gets updated correctly.
|
|
* We could at least check if the value to restore equals the current value
|
|
* and then skip the Mesa call.
|
|
*/
|
|
void
|
|
_mesa_PopAttrib(void)
|
|
{
|
|
struct gl_attrib_node *attr, *next;
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
|
|
|
|
if (ctx->AttribStackDepth == 0) {
|
|
_mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopAttrib" );
|
|
return;
|
|
}
|
|
|
|
ctx->AttribStackDepth--;
|
|
attr = ctx->AttribStack[ctx->AttribStackDepth];
|
|
|
|
while (attr) {
|
|
|
|
if (MESA_VERBOSE&VERBOSE_API) {
|
|
fprintf(stderr, "glPopAttrib %s\n",
|
|
_mesa_lookup_enum_by_nr(attr->kind));
|
|
}
|
|
|
|
switch (attr->kind) {
|
|
case GL_ACCUM_BUFFER_BIT:
|
|
{
|
|
const struct gl_accum_attrib *accum;
|
|
accum = (const struct gl_accum_attrib *) attr->data;
|
|
_mesa_ClearAccum(accum->ClearColor[0],
|
|
accum->ClearColor[1],
|
|
accum->ClearColor[2],
|
|
accum->ClearColor[3]);
|
|
}
|
|
break;
|
|
case GL_COLOR_BUFFER_BIT:
|
|
{
|
|
const struct gl_colorbuffer_attrib *color;
|
|
color = (const struct gl_colorbuffer_attrib *) attr->data;
|
|
_mesa_ClearIndex(color->ClearIndex);
|
|
_mesa_ClearColor(CHAN_TO_FLOAT(color->ClearColor[0]),
|
|
CHAN_TO_FLOAT(color->ClearColor[1]),
|
|
CHAN_TO_FLOAT(color->ClearColor[2]),
|
|
CHAN_TO_FLOAT(color->ClearColor[3]));
|
|
_mesa_IndexMask(color->IndexMask);
|
|
_mesa_ColorMask((GLboolean) (color->ColorMask[0] != 0),
|
|
(GLboolean) (color->ColorMask[1] != 0),
|
|
(GLboolean) (color->ColorMask[2] != 0),
|
|
(GLboolean) (color->ColorMask[3] != 0));
|
|
_mesa_DrawBuffer(color->DrawBuffer);
|
|
_mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
|
|
_mesa_AlphaFunc(color->AlphaFunc,
|
|
CHAN_TO_FLOAT(color->AlphaRef));
|
|
_mesa_set_enable(ctx, GL_BLEND, color->BlendEnabled);
|
|
_mesa_BlendFuncSeparateEXT(color->BlendSrcRGB,
|
|
color->BlendDstRGB,
|
|
color->BlendSrcA,
|
|
color->BlendDstA);
|
|
_mesa_BlendEquation(color->BlendEquation);
|
|
_mesa_BlendColor(color->BlendColor[0],
|
|
color->BlendColor[1],
|
|
color->BlendColor[2],
|
|
color->BlendColor[3]);
|
|
_mesa_LogicOp(color->LogicOp);
|
|
_mesa_set_enable(ctx, GL_COLOR_LOGIC_OP,
|
|
color->ColorLogicOpEnabled);
|
|
_mesa_set_enable(ctx, GL_INDEX_LOGIC_OP,
|
|
color->IndexLogicOpEnabled);
|
|
_mesa_set_enable(ctx, GL_DITHER, color->DitherFlag);
|
|
}
|
|
break;
|
|
case GL_CURRENT_BIT:
|
|
FLUSH_CURRENT( ctx, 0 );
|
|
MEMCPY( &ctx->Current, attr->data,
|
|
sizeof(struct gl_current_attrib) );
|
|
break;
|
|
case GL_DEPTH_BUFFER_BIT:
|
|
{
|
|
const struct gl_depthbuffer_attrib *depth;
|
|
depth = (const struct gl_depthbuffer_attrib *) attr->data;
|
|
_mesa_DepthFunc(depth->Func);
|
|
_mesa_ClearDepth(depth->Clear);
|
|
_mesa_set_enable(ctx, GL_DEPTH_TEST, depth->Test);
|
|
_mesa_DepthMask(depth->Mask);
|
|
if (ctx->Extensions.HP_occlusion_test)
|
|
_mesa_set_enable(ctx, GL_OCCLUSION_TEST_HP,
|
|
depth->OcclusionTest);
|
|
}
|
|
break;
|
|
case GL_ENABLE_BIT:
|
|
{
|
|
const struct gl_enable_attrib *enable;
|
|
enable = (const struct gl_enable_attrib *) attr->data;
|
|
pop_enable_group(ctx, enable);
|
|
ctx->NewState |= _NEW_ALL;
|
|
}
|
|
break;
|
|
case GL_EVAL_BIT:
|
|
MEMCPY( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) );
|
|
ctx->NewState |= _NEW_EVAL;
|
|
break;
|
|
case GL_FOG_BIT:
|
|
{
|
|
const struct gl_fog_attrib *fog;
|
|
fog = (const struct gl_fog_attrib *) attr->data;
|
|
_mesa_set_enable(ctx, GL_FOG, fog->Enabled);
|
|
_mesa_Fogfv(GL_FOG_COLOR, fog->Color);
|
|
_mesa_Fogf(GL_FOG_DENSITY, fog->Density);
|
|
_mesa_Fogf(GL_FOG_START, fog->Start);
|
|
_mesa_Fogf(GL_FOG_END, fog->End);
|
|
_mesa_Fogf(GL_FOG_INDEX, fog->Index);
|
|
_mesa_Fogi(GL_FOG_MODE, fog->Mode);
|
|
}
|
|
break;
|
|
case GL_HINT_BIT:
|
|
{
|
|
const struct gl_hint_attrib *hint;
|
|
hint = (const struct gl_hint_attrib *) attr->data;
|
|
_mesa_Hint(GL_PERSPECTIVE_CORRECTION_HINT,
|
|
hint->PerspectiveCorrection );
|
|
_mesa_Hint(GL_POINT_SMOOTH_HINT, hint->PointSmooth);
|
|
_mesa_Hint(GL_LINE_SMOOTH_HINT, hint->LineSmooth);
|
|
_mesa_Hint(GL_POLYGON_SMOOTH_HINT, hint->PolygonSmooth);
|
|
_mesa_Hint(GL_FOG_HINT, hint->Fog);
|
|
_mesa_Hint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT,
|
|
hint->ClipVolumeClipping);
|
|
if (ctx->Extensions.ARB_texture_compression)
|
|
_mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB,
|
|
hint->TextureCompression);
|
|
}
|
|
break;
|
|
case GL_LIGHTING_BIT:
|
|
{
|
|
GLuint i;
|
|
const struct gl_light_attrib *light;
|
|
light = (const struct gl_light_attrib *) attr->data;
|
|
/* lighting enable */
|
|
_mesa_set_enable(ctx, GL_LIGHTING, light->Enabled);
|
|
/* per-light state */
|
|
for (i = 0; i < MAX_LIGHTS; i++) {
|
|
GLenum lgt = (GLenum) (GL_LIGHT0 + i);
|
|
_mesa_set_enable(ctx, lgt, light->Light[i].Enabled);
|
|
MEMCPY(&ctx->Light.Light[i], &light->Light[i],
|
|
sizeof(struct gl_light));
|
|
}
|
|
/* light model */
|
|
_mesa_LightModelfv(GL_LIGHT_MODEL_AMBIENT,
|
|
light->Model.Ambient);
|
|
_mesa_LightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER,
|
|
(GLfloat) light->Model.LocalViewer);
|
|
_mesa_LightModelf(GL_LIGHT_MODEL_TWO_SIDE,
|
|
(GLfloat) light->Model.TwoSide);
|
|
_mesa_LightModelf(GL_LIGHT_MODEL_COLOR_CONTROL,
|
|
(GLfloat) light->Model.ColorControl);
|
|
/* materials */
|
|
MEMCPY(ctx->Light.Material, light->Material,
|
|
2 * sizeof(struct gl_material));
|
|
/* shade model */
|
|
_mesa_ShadeModel(light->ShadeModel);
|
|
/* color material */
|
|
_mesa_ColorMaterial(light->ColorMaterialFace,
|
|
light->ColorMaterialMode);
|
|
_mesa_set_enable(ctx, GL_COLOR_MATERIAL,
|
|
light->ColorMaterialEnabled);
|
|
}
|
|
break;
|
|
case GL_LINE_BIT:
|
|
{
|
|
const struct gl_line_attrib *line;
|
|
line = (const struct gl_line_attrib *) attr->data;
|
|
_mesa_set_enable(ctx, GL_LINE_SMOOTH, line->SmoothFlag);
|
|
_mesa_set_enable(ctx, GL_LINE_STIPPLE, line->StippleFlag);
|
|
_mesa_LineStipple(line->StippleFactor, line->StipplePattern);
|
|
_mesa_LineWidth(line->Width);
|
|
}
|
|
break;
|
|
case GL_LIST_BIT:
|
|
MEMCPY( &ctx->List, attr->data, sizeof(struct gl_list_attrib) );
|
|
break;
|
|
case GL_PIXEL_MODE_BIT:
|
|
MEMCPY( &ctx->Pixel, attr->data, sizeof(struct gl_pixel_attrib) );
|
|
ctx->NewState |= _NEW_PIXEL;
|
|
break;
|
|
case GL_POINT_BIT:
|
|
{
|
|
const struct gl_point_attrib *point;
|
|
point = (const struct gl_point_attrib *) attr->data;
|
|
_mesa_PointSize(point->Size);
|
|
_mesa_set_enable(ctx, GL_POINT_SMOOTH, point->SmoothFlag);
|
|
_mesa_PointParameterfvEXT(GL_DISTANCE_ATTENUATION_EXT,
|
|
point->Params);
|
|
_mesa_PointParameterfEXT(GL_POINT_SIZE_MIN_EXT, point->MinSize);
|
|
_mesa_PointParameterfEXT(GL_POINT_SIZE_MAX_EXT, point->MaxSize);
|
|
_mesa_PointParameterfEXT(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
|
|
point->Threshold);
|
|
}
|
|
break;
|
|
case GL_POLYGON_BIT:
|
|
{
|
|
const struct gl_polygon_attrib *polygon;
|
|
polygon = (const struct gl_polygon_attrib *) attr->data;
|
|
_mesa_CullFace(polygon->CullFaceMode);
|
|
_mesa_FrontFace(polygon->FrontFace);
|
|
_mesa_PolygonMode(GL_FRONT, polygon->FrontMode);
|
|
_mesa_PolygonMode(GL_BACK, polygon->BackMode);
|
|
_mesa_PolygonOffset(polygon->OffsetFactor,
|
|
polygon->OffsetUnits);
|
|
_mesa_set_enable(ctx, GL_POLYGON_SMOOTH, polygon->SmoothFlag);
|
|
_mesa_set_enable(ctx, GL_POLYGON_STIPPLE, polygon->StippleFlag);
|
|
_mesa_set_enable(ctx, GL_CULL_FACE, polygon->CullFlag);
|
|
_mesa_set_enable(ctx, GL_POLYGON_OFFSET_POINT,
|
|
polygon->OffsetPoint);
|
|
_mesa_set_enable(ctx, GL_POLYGON_OFFSET_LINE,
|
|
polygon->OffsetLine);
|
|
_mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL,
|
|
polygon->OffsetFill);
|
|
}
|
|
break;
|
|
case GL_POLYGON_STIPPLE_BIT:
|
|
MEMCPY( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) );
|
|
ctx->NewState |= _NEW_POLYGONSTIPPLE;
|
|
if (ctx->Driver.PolygonStipple)
|
|
ctx->Driver.PolygonStipple( ctx, (const GLubyte *) attr->data );
|
|
break;
|
|
case GL_SCISSOR_BIT:
|
|
{
|
|
const struct gl_scissor_attrib *scissor;
|
|
scissor = (const struct gl_scissor_attrib *) attr->data;
|
|
_mesa_Scissor(scissor->X, scissor->Y,
|
|
scissor->Width, scissor->Height);
|
|
_mesa_set_enable(ctx, GL_SCISSOR_TEST, scissor->Enabled);
|
|
}
|
|
break;
|
|
case GL_STENCIL_BUFFER_BIT:
|
|
{
|
|
const struct gl_stencil_attrib *stencil;
|
|
stencil = (const struct gl_stencil_attrib *) attr->data;
|
|
_mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled);
|
|
_mesa_ClearStencil(stencil->Clear);
|
|
_mesa_StencilFunc(stencil->Function, stencil->Ref,
|
|
stencil->ValueMask);
|
|
_mesa_StencilMask(stencil->WriteMask);
|
|
_mesa_StencilOp(stencil->FailFunc, stencil->ZFailFunc,
|
|
stencil->ZPassFunc);
|
|
}
|
|
break;
|
|
case GL_TRANSFORM_BIT:
|
|
{
|
|
GLuint i;
|
|
const struct gl_transform_attrib *xform;
|
|
xform = (const struct gl_transform_attrib *) attr->data;
|
|
_mesa_MatrixMode(xform->MatrixMode);
|
|
/* clip planes */
|
|
MEMCPY(ctx->Transform.EyeUserPlane, xform->EyeUserPlane,
|
|
sizeof(xform->EyeUserPlane));
|
|
MEMCPY(ctx->Transform._ClipUserPlane, xform->_ClipUserPlane,
|
|
sizeof(xform->EyeUserPlane));
|
|
/* clip plane enable flags */
|
|
for (i = 0; i < MAX_CLIP_PLANES; i++) {
|
|
_mesa_set_enable(ctx, GL_CLIP_PLANE0 + i,
|
|
xform->ClipEnabled[i]);
|
|
}
|
|
/* normalize/rescale */
|
|
_mesa_set_enable(ctx, GL_NORMALIZE, ctx->Transform.Normalize);
|
|
_mesa_set_enable(ctx, GL_RESCALE_NORMAL_EXT,
|
|
ctx->Transform.RescaleNormals);
|
|
}
|
|
break;
|
|
case GL_TEXTURE_BIT:
|
|
/* Take care of texture object reference counters */
|
|
{
|
|
const struct gl_texture_attrib *texture;
|
|
texture = (const struct gl_texture_attrib *) attr->data;
|
|
pop_texture_group(ctx, texture);
|
|
ctx->NewState |= _NEW_TEXTURE;
|
|
}
|
|
break;
|
|
case GL_VIEWPORT_BIT:
|
|
{
|
|
const struct gl_viewport_attrib *vp;
|
|
vp = (const struct gl_viewport_attrib *) attr->data;
|
|
_mesa_Viewport(vp->X, vp->Y, vp->Width, vp->Height);
|
|
_mesa_DepthRange(vp->Near, vp->Far);
|
|
}
|
|
break;
|
|
case GL_MULTISAMPLE_BIT_ARB:
|
|
{
|
|
const struct gl_multisample_attrib *ms;
|
|
ms = (const struct gl_multisample_attrib *) attr->data;
|
|
_mesa_SampleCoverageARB(ms->SampleCoverageValue,
|
|
ms->SampleCoverageInvert);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
_mesa_problem( ctx, "Bad attrib flag in PopAttrib");
|
|
break;
|
|
}
|
|
|
|
next = attr->next;
|
|
FREE( attr->data );
|
|
FREE( attr );
|
|
attr = next;
|
|
}
|
|
}
|
|
|
|
|
|
#define GL_CLIENT_PACK_BIT (1<<20)
|
|
#define GL_CLIENT_UNPACK_BIT (1<<21)
|
|
|
|
|
|
void
|
|
_mesa_PushClientAttrib(GLbitfield mask)
|
|
{
|
|
struct gl_attrib_node *newnode;
|
|
struct gl_attrib_node *head;
|
|
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END(ctx);
|
|
|
|
if (ctx->ClientAttribStackDepth >= MAX_CLIENT_ATTRIB_STACK_DEPTH) {
|
|
_mesa_error( ctx, GL_STACK_OVERFLOW, "glPushClientAttrib" );
|
|
return;
|
|
}
|
|
|
|
/* Build linked list of attribute nodes which save all attribute */
|
|
/* groups specified by the mask. */
|
|
head = NULL;
|
|
|
|
if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
|
|
struct gl_pixelstore_attrib *attr;
|
|
/* packing attribs */
|
|
attr = MALLOC_STRUCT( gl_pixelstore_attrib );
|
|
MEMCPY( attr, &ctx->Pack, sizeof(struct gl_pixelstore_attrib) );
|
|
newnode = new_attrib_node( GL_CLIENT_PACK_BIT );
|
|
newnode->data = attr;
|
|
newnode->next = head;
|
|
head = newnode;
|
|
/* unpacking attribs */
|
|
attr = MALLOC_STRUCT( gl_pixelstore_attrib );
|
|
MEMCPY( attr, &ctx->Unpack, sizeof(struct gl_pixelstore_attrib) );
|
|
newnode = new_attrib_node( GL_CLIENT_UNPACK_BIT );
|
|
newnode->data = attr;
|
|
newnode->next = head;
|
|
head = newnode;
|
|
}
|
|
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
|
|
struct gl_array_attrib *attr;
|
|
attr = MALLOC_STRUCT( gl_array_attrib );
|
|
MEMCPY( attr, &ctx->Array, sizeof(struct gl_array_attrib) );
|
|
newnode = new_attrib_node( GL_CLIENT_VERTEX_ARRAY_BIT );
|
|
newnode->data = attr;
|
|
newnode->next = head;
|
|
head = newnode;
|
|
}
|
|
|
|
ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
|
|
ctx->ClientAttribStackDepth++;
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
_mesa_PopClientAttrib(void)
|
|
{
|
|
struct gl_attrib_node *attr, *next;
|
|
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
|
|
|
|
if (ctx->ClientAttribStackDepth == 0) {
|
|
_mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopClientAttrib" );
|
|
return;
|
|
}
|
|
|
|
ctx->ClientAttribStackDepth--;
|
|
attr = ctx->ClientAttribStack[ctx->ClientAttribStackDepth];
|
|
|
|
while (attr) {
|
|
switch (attr->kind) {
|
|
case GL_CLIENT_PACK_BIT:
|
|
MEMCPY( &ctx->Pack, attr->data,
|
|
sizeof(struct gl_pixelstore_attrib) );
|
|
ctx->NewState = _NEW_PACKUNPACK;
|
|
break;
|
|
case GL_CLIENT_UNPACK_BIT:
|
|
MEMCPY( &ctx->Unpack, attr->data,
|
|
sizeof(struct gl_pixelstore_attrib) );
|
|
ctx->NewState = _NEW_PACKUNPACK;
|
|
break;
|
|
case GL_CLIENT_VERTEX_ARRAY_BIT:
|
|
MEMCPY( &ctx->Array, attr->data,
|
|
sizeof(struct gl_array_attrib) );
|
|
ctx->NewState = _NEW_ARRAY;
|
|
break;
|
|
default:
|
|
_mesa_problem( ctx, "Bad attrib flag in PopClientAttrib");
|
|
break;
|
|
}
|
|
|
|
next = attr->next;
|
|
FREE( attr->data );
|
|
FREE( attr );
|
|
attr = next;
|
|
}
|
|
}
|