/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.6
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * 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"),
#include "blend.h"
#include "buffers.h"
#include "bufferobj.h"
+#include "clear.h"
#include "colormac.h"
-#include "colortab.h"
#include "context.h"
#include "depth.h"
#include "enable.h"
#include "hint.h"
#include "light.h"
#include "lines.h"
+#include "macros.h"
#include "matrix.h"
+#include "multisample.h"
#include "points.h"
#include "polygon.h"
-#include "simple_list.h"
+#include "scissor.h"
#include "stencil.h"
+#include "texenv.h"
+#include "texgen.h"
#include "texobj.h"
+#include "texparam.h"
#include "texstate.h"
+#include "varray.h"
+#include "viewport.h"
#include "mtypes.h"
-#include "math/m_xform.h"
+#include "main/dispatch.h"
/**
- * Allocate a new attribute state node. These nodes have a
- * "kind" value and a pointer to a struct of state data.
+ * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
*/
-static struct gl_attrib_node *
-new_attrib_node( GLbitfield kind )
+struct gl_enable_attrib
{
- struct gl_attrib_node *an = MALLOC_STRUCT(gl_attrib_node);
- if (an) {
- an->kind = kind;
+ GLboolean AlphaTest;
+ GLboolean AutoNormal;
+ GLboolean Blend;
+ GLbitfield ClipPlanes;
+ GLboolean ColorMaterial;
+ GLboolean CullFace;
+ GLboolean DepthClamp;
+ GLboolean DepthTest;
+ GLboolean Dither;
+ GLboolean Fog;
+ GLboolean Light[MAX_LIGHTS];
+ GLboolean Lighting;
+ GLboolean LineSmooth;
+ GLboolean LineStipple;
+ GLboolean IndexLogicOp;
+ GLboolean ColorLogicOp;
+
+ GLboolean Map1Color4;
+ GLboolean Map1Index;
+ GLboolean Map1Normal;
+ GLboolean Map1TextureCoord1;
+ GLboolean Map1TextureCoord2;
+ GLboolean Map1TextureCoord3;
+ GLboolean Map1TextureCoord4;
+ GLboolean Map1Vertex3;
+ GLboolean Map1Vertex4;
+ GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
+ GLboolean Map2Color4;
+ GLboolean Map2Index;
+ GLboolean Map2Normal;
+ GLboolean Map2TextureCoord1;
+ GLboolean Map2TextureCoord2;
+ GLboolean Map2TextureCoord3;
+ GLboolean Map2TextureCoord4;
+ GLboolean Map2Vertex3;
+ GLboolean Map2Vertex4;
+ GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
+
+ GLboolean Normalize;
+ GLboolean PixelTexture;
+ GLboolean PointSmooth;
+ GLboolean PolygonOffsetPoint;
+ GLboolean PolygonOffsetLine;
+ GLboolean PolygonOffsetFill;
+ GLboolean PolygonSmooth;
+ GLboolean PolygonStipple;
+ GLboolean RescaleNormals;
+ GLboolean Scissor;
+ GLboolean Stencil;
+ GLboolean StencilTwoSide; /* GL_EXT_stencil_two_side */
+ GLboolean MultisampleEnabled; /* GL_ARB_multisample */
+ GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */
+ GLboolean SampleAlphaToOne; /* GL_ARB_multisample */
+ GLboolean SampleCoverage; /* GL_ARB_multisample */
+ GLboolean SampleCoverageInvert; /* GL_ARB_multisample */
+ GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
+
+ GLbitfield Texture[MAX_TEXTURE_UNITS];
+ GLbitfield TexGen[MAX_TEXTURE_UNITS];
+
+ /* SGI_texture_color_table */
+ GLboolean TextureColorTable[MAX_TEXTURE_UNITS];
+
+ /* GL_ARB_vertex_program / GL_NV_vertex_program */
+ GLboolean VertexProgram;
+ GLboolean VertexProgramPointSize;
+ GLboolean VertexProgramTwoSide;
+
+ /* GL_ARB_point_sprite / GL_NV_point_sprite */
+ GLboolean PointSprite;
+ GLboolean FragmentShaderATI;
+};
+
+
+/**
+ * Node for the attribute stack.
+ */
+struct gl_attrib_node
+{
+ GLbitfield kind;
+ void *data;
+ struct gl_attrib_node *next;
+};
+
+
+
+/**
+ * Special struct for saving/restoring texture state (GL_TEXTURE_BIT)
+ */
+struct texture_state
+{
+ struct gl_texture_attrib Texture; /**< The usual context state */
+
+ /** to save per texture object state (wrap modes, filters, etc): */
+ struct gl_texture_object SavedObj[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
+
+ /**
+ * To save references to texture objects (so they don't get accidentally
+ * deleted while saved in the attribute stack).
+ */
+ struct gl_texture_object *SavedTexRef[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
+};
+
+
+#if FEATURE_attrib_stack
+
+
+/**
+ * Allocate new attribute node of given type/kind. Attach payload data.
+ * Insert it into the linked list named by 'head'.
+ */
+static void
+save_attrib_data(struct gl_attrib_node **head,
+ GLbitfield kind, void *payload)
+{
+ struct gl_attrib_node *n = MALLOC_STRUCT(gl_attrib_node);
+ if (n) {
+ n->kind = kind;
+ n->data = payload;
+ /* insert at head */
+ n->next = *head;
+ *head = n;
+ }
+ else {
+ /* out of memory! */
}
- return an;
}
void GLAPIENTRY
_mesa_PushAttrib(GLbitfield mask)
{
- struct gl_attrib_node *newnode;
struct gl_attrib_node *head;
GET_CURRENT_CONTEXT(ctx);
if (mask & GL_ACCUM_BUFFER_BIT) {
struct gl_accum_attrib *attr;
attr = MALLOC_STRUCT( gl_accum_attrib );
- MEMCPY( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) );
- newnode = new_attrib_node( GL_ACCUM_BUFFER_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) );
+ save_attrib_data(&head, GL_ACCUM_BUFFER_BIT, attr);
}
if (mask & GL_COLOR_BUFFER_BIT) {
+ GLuint i;
struct gl_colorbuffer_attrib *attr;
attr = MALLOC_STRUCT( gl_colorbuffer_attrib );
- MEMCPY( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) );
- newnode = new_attrib_node( GL_COLOR_BUFFER_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) );
+ /* push the Draw FBO's DrawBuffer[] state, not ctx->Color.DrawBuffer[] */
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i ++)
+ attr->DrawBuffer[i] = ctx->DrawBuffer->ColorDrawBuffer[i];
+ save_attrib_data(&head, GL_COLOR_BUFFER_BIT, attr);
}
if (mask & GL_CURRENT_BIT) {
struct gl_current_attrib *attr;
FLUSH_CURRENT( ctx, 0 );
attr = MALLOC_STRUCT( gl_current_attrib );
- MEMCPY( attr, &ctx->Current, sizeof(struct gl_current_attrib) );
- newnode = new_attrib_node( GL_CURRENT_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Current, sizeof(struct gl_current_attrib) );
+ save_attrib_data(&head, GL_CURRENT_BIT, attr);
}
if (mask & GL_DEPTH_BUFFER_BIT) {
struct gl_depthbuffer_attrib *attr;
attr = MALLOC_STRUCT( gl_depthbuffer_attrib );
- MEMCPY( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) );
- newnode = new_attrib_node( GL_DEPTH_BUFFER_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) );
+ save_attrib_data(&head, GL_DEPTH_BUFFER_BIT, attr);
}
if (mask & GL_ENABLE_BIT) {
attr->Blend = ctx->Color.BlendEnabled;
attr->ClipPlanes = ctx->Transform.ClipPlanesEnabled;
attr->ColorMaterial = ctx->Light.ColorMaterialEnabled;
- for (i = 0; i < COLORTABLE_MAX; i++) {
- attr->ColorTable[i] = ctx->Pixel.ColorTableEnabled[i];
- }
- attr->Convolution1D = ctx->Pixel.Convolution1DEnabled;
- attr->Convolution2D = ctx->Pixel.Convolution2DEnabled;
- attr->Separable2D = ctx->Pixel.Separable2DEnabled;
attr->CullFace = ctx->Polygon.CullFlag;
+ attr->DepthClamp = ctx->Transform.DepthClamp;
attr->DepthTest = ctx->Depth.Test;
attr->Dither = ctx->Color.DitherFlag;
attr->Fog = ctx->Fog.Enabled;
attr->Lighting = ctx->Light.Enabled;
attr->LineSmooth = ctx->Line.SmoothFlag;
attr->LineStipple = ctx->Line.StippleFlag;
- attr->Histogram = ctx->Pixel.HistogramEnabled;
- attr->MinMax = ctx->Pixel.MinMaxEnabled;
attr->IndexLogicOp = ctx->Color.IndexLogicOpEnabled;
attr->ColorLogicOp = ctx->Color.ColorLogicOpEnabled;
attr->Map1Color4 = ctx->Eval.Map1Color4;
attr->Map1TextureCoord4 = ctx->Eval.Map1TextureCoord4;
attr->Map1Vertex3 = ctx->Eval.Map1Vertex3;
attr->Map1Vertex4 = ctx->Eval.Map1Vertex4;
- MEMCPY(attr->Map1Attrib, ctx->Eval.Map1Attrib, sizeof(ctx->Eval.Map1Attrib));
+ memcpy(attr->Map1Attrib, ctx->Eval.Map1Attrib, sizeof(ctx->Eval.Map1Attrib));
attr->Map2Color4 = ctx->Eval.Map2Color4;
attr->Map2Index = ctx->Eval.Map2Index;
attr->Map2Normal = ctx->Eval.Map2Normal;
attr->Map2TextureCoord4 = ctx->Eval.Map2TextureCoord4;
attr->Map2Vertex3 = ctx->Eval.Map2Vertex3;
attr->Map2Vertex4 = ctx->Eval.Map2Vertex4;
- MEMCPY(attr->Map2Attrib, ctx->Eval.Map2Attrib, sizeof(ctx->Eval.Map2Attrib));
+ memcpy(attr->Map2Attrib, ctx->Eval.Map2Attrib, sizeof(ctx->Eval.Map2Attrib));
attr->Normalize = ctx->Transform.Normalize;
attr->RasterPositionUnclipped = ctx->Transform.RasterPositionUnclipped;
attr->PointSmooth = ctx->Point.SmoothFlag;
attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
attr->SampleCoverage = ctx->Multisample.SampleCoverage;
attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert;
- for (i=0; i<MAX_TEXTURE_UNITS; i++) {
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
attr->TextureColorTable[i] = ctx->Texture.Unit[i].ColorTableEnabled;
attr->VertexProgram = ctx->VertexProgram.Enabled;
attr->VertexProgramPointSize = ctx->VertexProgram.PointSizeEnabled;
attr->VertexProgramTwoSide = ctx->VertexProgram.TwoSideEnabled;
- newnode = new_attrib_node( GL_ENABLE_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ save_attrib_data(&head, GL_ENABLE_BIT, attr);
}
if (mask & GL_EVAL_BIT) {
struct gl_eval_attrib *attr;
attr = MALLOC_STRUCT( gl_eval_attrib );
- MEMCPY( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) );
- newnode = new_attrib_node( GL_EVAL_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) );
+ save_attrib_data(&head, GL_EVAL_BIT, attr);
}
if (mask & GL_FOG_BIT) {
struct gl_fog_attrib *attr;
attr = MALLOC_STRUCT( gl_fog_attrib );
- MEMCPY( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) );
- newnode = new_attrib_node( GL_FOG_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) );
+ save_attrib_data(&head, GL_FOG_BIT, attr);
}
if (mask & GL_HINT_BIT) {
struct gl_hint_attrib *attr;
attr = MALLOC_STRUCT( gl_hint_attrib );
- MEMCPY( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) );
- newnode = new_attrib_node( GL_HINT_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) );
+ save_attrib_data(&head, GL_HINT_BIT, attr);
}
if (mask & GL_LIGHTING_BIT) {
struct gl_light_attrib *attr;
FLUSH_CURRENT(ctx, 0); /* flush material changes */
attr = MALLOC_STRUCT( gl_light_attrib );
- MEMCPY( attr, &ctx->Light, sizeof(struct gl_light_attrib) );
- newnode = new_attrib_node( GL_LIGHTING_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Light, sizeof(struct gl_light_attrib) );
+ save_attrib_data(&head, GL_LIGHTING_BIT, attr);
}
if (mask & GL_LINE_BIT) {
struct gl_line_attrib *attr;
attr = MALLOC_STRUCT( gl_line_attrib );
- MEMCPY( attr, &ctx->Line, sizeof(struct gl_line_attrib) );
- newnode = new_attrib_node( GL_LINE_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Line, sizeof(struct gl_line_attrib) );
+ save_attrib_data(&head, GL_LINE_BIT, attr);
}
if (mask & GL_LIST_BIT) {
struct gl_list_attrib *attr;
attr = MALLOC_STRUCT( gl_list_attrib );
- MEMCPY( attr, &ctx->List, sizeof(struct gl_list_attrib) );
- newnode = new_attrib_node( GL_LIST_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->List, sizeof(struct gl_list_attrib) );
+ save_attrib_data(&head, GL_LIST_BIT, attr);
}
if (mask & GL_PIXEL_MODE_BIT) {
struct gl_pixel_attrib *attr;
attr = MALLOC_STRUCT( gl_pixel_attrib );
- MEMCPY( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) );
+ memcpy( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) );
/* push the Read FBO's ReadBuffer state, not ctx->Pixel.ReadBuffer */
attr->ReadBuffer = ctx->ReadBuffer->ColorReadBuffer;
- newnode = new_attrib_node( GL_PIXEL_MODE_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ save_attrib_data(&head, GL_PIXEL_MODE_BIT, attr);
}
if (mask & GL_POINT_BIT) {
struct gl_point_attrib *attr;
attr = MALLOC_STRUCT( gl_point_attrib );
- MEMCPY( attr, &ctx->Point, sizeof(struct gl_point_attrib) );
- newnode = new_attrib_node( GL_POINT_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Point, sizeof(struct gl_point_attrib) );
+ save_attrib_data(&head, GL_POINT_BIT, attr);
}
if (mask & GL_POLYGON_BIT) {
struct gl_polygon_attrib *attr;
attr = MALLOC_STRUCT( gl_polygon_attrib );
- MEMCPY( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) );
- newnode = new_attrib_node( GL_POLYGON_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) );
+ save_attrib_data(&head, GL_POLYGON_BIT, attr);
}
if (mask & GL_POLYGON_STIPPLE_BIT) {
GLuint *stipple;
stipple = (GLuint *) MALLOC( 32*sizeof(GLuint) );
- MEMCPY( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) );
- newnode = new_attrib_node( GL_POLYGON_STIPPLE_BIT );
- newnode->data = stipple;
- newnode->next = head;
- head = newnode;
+ memcpy( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) );
+ save_attrib_data(&head, GL_POLYGON_STIPPLE_BIT, stipple);
}
if (mask & GL_SCISSOR_BIT) {
struct gl_scissor_attrib *attr;
attr = MALLOC_STRUCT( gl_scissor_attrib );
- MEMCPY( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) );
- newnode = new_attrib_node( GL_SCISSOR_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) );
+ save_attrib_data(&head, GL_SCISSOR_BIT, attr);
}
if (mask & GL_STENCIL_BUFFER_BIT) {
struct gl_stencil_attrib *attr;
attr = MALLOC_STRUCT( gl_stencil_attrib );
- MEMCPY( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) );
- newnode = new_attrib_node( GL_STENCIL_BUFFER_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) );
+ save_attrib_data(&head, GL_STENCIL_BUFFER_BIT, attr);
}
if (mask & GL_TEXTURE_BIT) {
- struct gl_texture_attrib *attr;
- GLuint u;
+ struct texture_state *texstate = CALLOC_STRUCT(texture_state);
+ GLuint u, tex;
+
+ if (!texstate) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_TEXTURE_BIT)");
+ goto end;
+ }
_mesa_lock_context_textures(ctx);
- /* Bump the texture object reference counts so that they don't
- * inadvertantly get deleted.
+
+ /* copy/save the bulk of texture state here */
+ memcpy(&texstate->Texture, &ctx->Texture, sizeof(ctx->Texture));
+
+ /* Save references to the currently bound texture objects so they don't
+ * accidentally get deleted while referenced in the attribute stack.
*/
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++;
- ctx->Texture.Unit[u].CurrentRect->RefCount++;
- ctx->Texture.Unit[u].Current1DArray->RefCount++;
- ctx->Texture.Unit[u].Current2DArray->RefCount++;
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&texstate->SavedTexRef[u][tex],
+ ctx->Texture.Unit[u].CurrentTex[tex]);
+ }
}
- attr = MALLOC_STRUCT( gl_texture_attrib );
- MEMCPY( attr, &ctx->Texture, sizeof(struct gl_texture_attrib) );
- /* copy state of the currently bound texture objects */
+
+ /* copy state/contents of the currently bound texture objects */
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- _mesa_copy_texture_object(&attr->Unit[u].Saved1D,
- attr->Unit[u].Current1D);
- _mesa_copy_texture_object(&attr->Unit[u].Saved2D,
- attr->Unit[u].Current2D);
- _mesa_copy_texture_object(&attr->Unit[u].Saved3D,
- attr->Unit[u].Current3D);
- _mesa_copy_texture_object(&attr->Unit[u].SavedCubeMap,
- attr->Unit[u].CurrentCubeMap);
- _mesa_copy_texture_object(&attr->Unit[u].SavedRect,
- attr->Unit[u].CurrentRect);
- _mesa_copy_texture_object(&attr->Unit[u].Saved1DArray,
- attr->Unit[u].Current1DArray);
- _mesa_copy_texture_object(&attr->Unit[u].Saved2DArray,
- attr->Unit[u].Current2DArray);
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_copy_texture_object(&texstate->SavedObj[u][tex],
+ ctx->Texture.Unit[u].CurrentTex[tex]);
+ }
}
_mesa_unlock_context_textures(ctx);
- newnode = new_attrib_node( GL_TEXTURE_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ save_attrib_data(&head, GL_TEXTURE_BIT, texstate);
}
if (mask & GL_TRANSFORM_BIT) {
struct gl_transform_attrib *attr;
attr = MALLOC_STRUCT( gl_transform_attrib );
- MEMCPY( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) );
- newnode = new_attrib_node( GL_TRANSFORM_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) );
+ save_attrib_data(&head, GL_TRANSFORM_BIT, attr);
}
if (mask & GL_VIEWPORT_BIT) {
struct gl_viewport_attrib *attr;
attr = MALLOC_STRUCT( gl_viewport_attrib );
- MEMCPY( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) );
- newnode = new_attrib_node( GL_VIEWPORT_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) );
+ save_attrib_data(&head, GL_VIEWPORT_BIT, attr);
}
/* GL_ARB_multisample */
if (mask & GL_MULTISAMPLE_BIT_ARB) {
struct gl_multisample_attrib *attr;
attr = MALLOC_STRUCT( gl_multisample_attrib );
- MEMCPY( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
- newnode = new_attrib_node( GL_MULTISAMPLE_BIT_ARB );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ memcpy( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
+ save_attrib_data(&head, GL_MULTISAMPLE_BIT_ARB, attr);
}
+end:
ctx->AttribStack[ctx->AttribStackDepth] = head;
ctx->AttribStackDepth++;
}
static void
pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable)
{
+ const GLuint curTexUnitSave = ctx->Texture.CurrentUnit;
GLuint i;
#define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \
}
TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST);
- TEST_AND_UPDATE(ctx->Color.BlendEnabled, enable->Blend, GL_BLEND);
+ if (ctx->Color.BlendEnabled != enable->Blend) {
+ if (ctx->Extensions.EXT_draw_buffers2) {
+ GLuint i;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ _mesa_set_enablei(ctx, GL_BLEND, i, (enable->Blend >> i) & 1);
+ }
+ }
+ else {
+ _mesa_set_enable(ctx, GL_BLEND, (enable->Blend & 1));
+ }
+ }
for (i=0;i<MAX_CLIP_PLANES;i++) {
const GLuint mask = 1 << i;
TEST_AND_UPDATE(ctx->Light.ColorMaterialEnabled, enable->ColorMaterial,
GL_COLOR_MATERIAL);
- TEST_AND_UPDATE(ctx->Pixel.ColorTableEnabled[COLORTABLE_PRECONVOLUTION],
- enable->ColorTable[COLORTABLE_PRECONVOLUTION],
- GL_COLOR_TABLE);
- TEST_AND_UPDATE(ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCONVOLUTION],
- enable->ColorTable[COLORTABLE_POSTCONVOLUTION],
- GL_POST_CONVOLUTION_COLOR_TABLE);
- TEST_AND_UPDATE(ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCOLORMATRIX],
- enable->ColorTable[COLORTABLE_POSTCOLORMATRIX],
- GL_POST_COLOR_MATRIX_COLOR_TABLE);
TEST_AND_UPDATE(ctx->Polygon.CullFlag, enable->CullFace, GL_CULL_FACE);
+ TEST_AND_UPDATE(ctx->Transform.DepthClamp, enable->DepthClamp,
+ GL_DEPTH_CLAMP);
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);
/* 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] & TEXTURE_1D_BIT) );
- (*ctx->Driver.Enable)( ctx, GL_TEXTURE_2D,
- (GLboolean) (enable->Texture[i] & TEXTURE_2D_BIT) );
- (*ctx->Driver.Enable)( ctx, GL_TEXTURE_3D,
- (GLboolean) (enable->Texture[i] & TEXTURE_3D_BIT) );
- if (ctx->Extensions.ARB_texture_cube_map)
- (*ctx->Driver.Enable)( ctx, GL_TEXTURE_CUBE_MAP_ARB,
- (GLboolean) (enable->Texture[i] & TEXTURE_CUBE_BIT) );
- if (ctx->Extensions.NV_texture_rectangle)
- (*ctx->Driver.Enable)( ctx, GL_TEXTURE_RECTANGLE_NV,
- (GLboolean) (enable->Texture[i] & TEXTURE_RECT_BIT) );
+ const GLbitfield enabled = enable->Texture[i];
+ const GLbitfield genEnabled = enable->TexGen[i];
+
+ if (ctx->Texture.Unit[i].Enabled != enabled) {
+ _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
+
+ _mesa_set_enable(ctx, GL_TEXTURE_1D,
+ (enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D,
+ (enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_3D,
+ (enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE);
+ if (ctx->Extensions.NV_texture_rectangle) {
+ _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_ARB,
+ (enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ if (ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP,
+ (enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ if (ctx->Extensions.MESA_texture_array) {
+ _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
+ (enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
+ (enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
}
}
- 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->Texture.Unit[i].TexGenEnabled != genEnabled) {
+ _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
+ (genEnabled & S_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_T,
+ (genEnabled & T_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_R,
+ (genEnabled & R_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q,
+ (genEnabled & Q_BIT) ? GL_TRUE : GL_FALSE);
}
/* GL_SGI_texture_color_table */
ctx->Texture.Unit[i].ColorTableEnabled = enable->TextureColorTable[i];
}
- if (ctx->Driver.ActiveTexture) {
- (*ctx->Driver.ActiveTexture)(ctx, ctx->Texture.CurrentUnit);
- }
+ _mesa_ActiveTextureARB(GL_TEXTURE0 + curTexUnitSave);
}
+/**
+ * Pop/restore texture attribute/group state.
+ */
static void
-pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib)
+pop_texture_group(GLcontext *ctx, struct texture_state *texstate)
{
GLuint u;
+ _mesa_lock_context_textures(ctx);
+
for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- const struct gl_texture_unit *unit = &texAttrib->Unit[u];
- GLuint i;
+ const struct gl_texture_unit *unit = &texstate->Texture.Unit[u];
+ GLuint tgt;
_mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u);
_mesa_set_enable(ctx, GL_TEXTURE_1D,
_mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_NV,
(unit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
}
+ if (ctx->Extensions.MESA_texture_array) {
+ _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
+ (unit->Enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
+ (unit->Enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ }
+
if (ctx->Extensions.SGI_texture_color_table) {
_mesa_set_enable(ctx, GL_TEXTURE_COLOR_TABLE_SGI,
unit->ColorTableEnabled);
}
_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_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenS.Mode);
+ _mesa_TexGeni(GL_T, GL_TEXTURE_GEN_MODE, unit->GenT.Mode);
+ _mesa_TexGeni(GL_R, GL_TEXTURE_GEN_MODE, unit->GenR.Mode);
+ _mesa_TexGeni(GL_Q, GL_TEXTURE_GEN_MODE, unit->GenQ.Mode);
+ _mesa_TexGenfv(GL_S, GL_OBJECT_PLANE, unit->GenS.ObjectPlane);
+ _mesa_TexGenfv(GL_T, GL_OBJECT_PLANE, unit->GenT.ObjectPlane);
+ _mesa_TexGenfv(GL_R, GL_OBJECT_PLANE, unit->GenR.ObjectPlane);
+ _mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->GenQ.ObjectPlane);
/* Eye plane done differently to avoid re-transformation */
{
struct gl_texture_unit *destUnit = &ctx->Texture.Unit[u];
- COPY_4FV(destUnit->EyePlaneS, unit->EyePlaneS);
- COPY_4FV(destUnit->EyePlaneT, unit->EyePlaneT);
- COPY_4FV(destUnit->EyePlaneR, unit->EyePlaneR);
- COPY_4FV(destUnit->EyePlaneQ, unit->EyePlaneQ);
+ COPY_4FV(destUnit->GenS.EyePlane, unit->GenS.EyePlane);
+ COPY_4FV(destUnit->GenT.EyePlane, unit->GenT.EyePlane);
+ COPY_4FV(destUnit->GenR.EyePlane, unit->GenR.EyePlane);
+ COPY_4FV(destUnit->GenQ.EyePlane, unit->GenQ.EyePlane);
if (ctx->Driver.TexGen) {
- ctx->Driver.TexGen(ctx, GL_S, GL_EYE_PLANE, unit->EyePlaneS);
- ctx->Driver.TexGen(ctx, GL_T, GL_EYE_PLANE, unit->EyePlaneT);
- ctx->Driver.TexGen(ctx, GL_R, GL_EYE_PLANE, unit->EyePlaneR);
- ctx->Driver.TexGen(ctx, GL_Q, GL_EYE_PLANE, unit->EyePlaneQ);
+ ctx->Driver.TexGen(ctx, GL_S, GL_EYE_PLANE, unit->GenS.EyePlane);
+ ctx->Driver.TexGen(ctx, GL_T, GL_EYE_PLANE, unit->GenT.EyePlane);
+ ctx->Driver.TexGen(ctx, GL_R, GL_EYE_PLANE, unit->GenR.EyePlane);
+ ctx->Driver.TexGen(ctx, GL_Q, GL_EYE_PLANE, unit->GenQ.EyePlane);
}
}
_mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
1 << unit->Combine.ScaleShiftA);
}
- /* Restore texture object state */
- for (i = 0; i < NUM_TEXTURE_TARGETS; i++) {
- GLenum target = 0;
+ /* Restore texture object state for each target */
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
const struct gl_texture_object *obj = NULL;
- GLfloat bordColor[4];
+ GLenum target;
- 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:
- if (!ctx->Extensions.ARB_texture_cube_map)
- continue;
- target = GL_TEXTURE_CUBE_MAP_ARB;
- obj = &unit->SavedCubeMap;
- break;
- case 4:
- if (!ctx->Extensions.NV_texture_rectangle)
- continue;
- target = GL_TEXTURE_RECTANGLE_NV;
- obj = &unit->SavedRect;
- break;
- case 5:
- if (!ctx->Extensions.MESA_texture_array)
- continue;
- target = GL_TEXTURE_1D_ARRAY_EXT;
- obj = &unit->Saved1DArray;
- break;
- case 6:
- if (!ctx->Extensions.MESA_texture_array)
- continue;
- target = GL_TEXTURE_2D_ARRAY_EXT;
- obj = &unit->Saved2DArray;
- break;
- default:
- ; /* silence warnings */
+ obj = &texstate->SavedObj[u][tgt];
+
+ /* don't restore state for unsupported targets to prevent
+ * raising GL errors.
+ */
+ if (obj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
+ !ctx->Extensions.ARB_texture_cube_map) {
+ continue;
+ }
+ else if (obj->Target == GL_TEXTURE_RECTANGLE_NV &&
+ !ctx->Extensions.NV_texture_rectangle) {
+ continue;
+ }
+ else if ((obj->Target == GL_TEXTURE_1D_ARRAY_EXT ||
+ obj->Target == GL_TEXTURE_2D_ARRAY_EXT) &&
+ !ctx->Extensions.MESA_texture_array) {
+ continue;
}
- _mesa_BindTexture(target, obj->Name);
+ target = obj->Target;
- 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_BindTexture(target, obj->Name);
+ _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, obj->BorderColor.f);
_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_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,
- obj->ShadowAmbient);
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ _mesa_TexParameterf(target, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB,
+ obj->CompareFailValue);
}
+ }
+ /* remove saved references to the texture objects */
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
}
}
- _mesa_ActiveTextureARB(GL_TEXTURE0_ARB
- + texAttrib->CurrentUnit);
- /* "un-bump" the texture object reference counts. We did that so they
- * wouldn't inadvertantly get deleted while they were still referenced
- * inside the attribute state stack.
- */
- 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--;
- ctx->Texture.Unit[u].CurrentRect->RefCount--;
- ctx->Texture.Unit[u].Current1DArray->RefCount--;
- ctx->Texture.Unit[u].Current2DArray->RefCount--;
- }
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + texstate->Texture.CurrentUnit);
+
+ _mesa_unlock_context_textures(ctx);
}
case GL_COLOR_BUFFER_BIT:
{
const struct gl_colorbuffer_attrib *color;
+
color = (const struct gl_colorbuffer_attrib *) attr->data;
_mesa_ClearIndex((GLfloat) color->ClearIndex);
_mesa_ClearColor(color->ClearColor[0],
color->ClearColor[2],
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));
+ if (!ctx->Extensions.EXT_draw_buffers2) {
+ _mesa_ColorMask((GLboolean) (color->ColorMask[0][0] != 0),
+ (GLboolean) (color->ColorMask[0][1] != 0),
+ (GLboolean) (color->ColorMask[0][2] != 0),
+ (GLboolean) (color->ColorMask[0][3] != 0));
+ }
+ else {
+ GLuint i;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ _mesa_ColorMaskIndexed(i,
+ (GLboolean) (color->ColorMask[i][0] != 0),
+ (GLboolean) (color->ColorMask[i][1] != 0),
+ (GLboolean) (color->ColorMask[i][2] != 0),
+ (GLboolean) (color->ColorMask[i][3] != 0));
+ }
+ }
{
/* Need to determine if more than one color output is
* specified. If so, call glDrawBuffersARB, else call
* function, but legal for the later.
*/
GLboolean multipleBuffers = GL_FALSE;
- if (ctx->Extensions.ARB_draw_buffers) {
- GLuint i;
- for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) {
- if (color->DrawBuffer[i] != GL_NONE) {
- multipleBuffers = GL_TRUE;
- break;
- }
- }
+ GLuint i;
+
+ for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) {
+ if (color->DrawBuffer[i] != GL_NONE) {
+ multipleBuffers = GL_TRUE;
+ break;
+ }
}
/* Call the API_level functions, not _mesa_drawbuffers()
* since we need to do error checking on the pop'd
}
_mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
_mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef);
- _mesa_set_enable(ctx, GL_BLEND, color->BlendEnabled);
+ if (ctx->Color.BlendEnabled != color->BlendEnabled) {
+ if (ctx->Extensions.EXT_draw_buffers2) {
+ GLuint i;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ _mesa_set_enablei(ctx, GL_BLEND, i,
+ (color->BlendEnabled >> i) & 1);
+ }
+ }
+ else {
+ _mesa_set_enable(ctx, GL_BLEND, (color->BlendEnabled & 1));
+ }
+ }
_mesa_BlendFuncSeparateEXT(color->BlendSrcRGB,
color->BlendDstRGB,
color->BlendSrcA,
break;
case GL_CURRENT_BIT:
FLUSH_CURRENT( ctx, 0 );
- MEMCPY( &ctx->Current, attr->data,
+ memcpy( &ctx->Current, attr->data,
sizeof(struct gl_current_attrib) );
break;
case GL_DEPTH_BUFFER_BIT:
}
break;
case GL_EVAL_BIT:
- MEMCPY( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) );
+ memcpy( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) );
ctx->NewState |= _NEW_EVAL;
break;
case GL_FOG_BIT:
_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);
+ _mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB,
+ hint->TextureCompression);
}
break;
case GL_LIGHTING_BIT:
_math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
for (i = 0; i < ctx->Const.MaxLights; i++) {
- const struct gl_light *l = &light->Light[i];
+ const struct gl_light *l = &light->Light[i];
_mesa_set_enable(ctx, GL_LIGHT0 + i, l->Enabled);
- _mesa_light(ctx, i, GL_AMBIENT, l->Ambient);
- _mesa_light(ctx, i, GL_DIFFUSE, l->Diffuse);
- _mesa_light(ctx, i, GL_SPECULAR, l->Specular );
- _mesa_light(ctx, i, GL_POSITION, l->EyePosition);
- _mesa_light(ctx, i, GL_SPOT_DIRECTION, l->EyeDirection);
- _mesa_light(ctx, i, GL_SPOT_EXPONENT, &l->SpotExponent);
- _mesa_light(ctx, i, GL_SPOT_CUTOFF, &l->SpotCutoff);
- _mesa_light(ctx, i, GL_CONSTANT_ATTENUATION,
- &l->ConstantAttenuation);
- _mesa_light(ctx, i, GL_LINEAR_ATTENUATION,
- &l->LinearAttenuation);
- _mesa_light(ctx, i, GL_QUADRATIC_ATTENUATION,
- &l->QuadraticAttenuation);
- }
+ _mesa_light(ctx, i, GL_AMBIENT, l->Ambient);
+ _mesa_light(ctx, i, GL_DIFFUSE, l->Diffuse);
+ _mesa_light(ctx, i, GL_SPECULAR, l->Specular );
+ _mesa_light(ctx, i, GL_POSITION, l->EyePosition);
+ _mesa_light(ctx, i, GL_SPOT_DIRECTION, l->SpotDirection);
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->SpotExponent;
+ _mesa_light(ctx, i, GL_SPOT_EXPONENT, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->SpotCutoff;
+ _mesa_light(ctx, i, GL_SPOT_CUTOFF, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->ConstantAttenuation;
+ _mesa_light(ctx, i, GL_CONSTANT_ATTENUATION, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->LinearAttenuation;
+ _mesa_light(ctx, i, GL_LINEAR_ATTENUATION, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->QuadraticAttenuation;
+ _mesa_light(ctx, i, GL_QUADRATIC_ATTENUATION, p);
+ }
+ }
/* light model */
_mesa_LightModelfv(GL_LIGHT_MODEL_AMBIENT,
light->Model.Ambient);
_mesa_set_enable(ctx, GL_COLOR_MATERIAL,
light->ColorMaterialEnabled);
/* materials */
- MEMCPY(&ctx->Light.Material, &light->Material,
+ memcpy(&ctx->Light.Material, &light->Material,
sizeof(struct gl_material));
}
break;
}
break;
case GL_LIST_BIT:
- MEMCPY( &ctx->List, attr->data, sizeof(struct gl_list_attrib) );
+ 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) );
+ memcpy( &ctx->Pixel, attr->data, sizeof(struct gl_pixel_attrib) );
/* XXX what other pixel state needs to be set by function calls? */
_mesa_ReadBuffer(ctx->Pixel.ReadBuffer);
ctx->NewState |= _NEW_PIXEL;
_mesa_PointSize(point->Size);
_mesa_set_enable(ctx, GL_POINT_SMOOTH, point->SmoothFlag);
if (ctx->Extensions.EXT_point_parameters) {
- _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);
+ _mesa_PointParameterfv(GL_DISTANCE_ATTENUATION_EXT,
+ point->Params);
+ _mesa_PointParameterf(GL_POINT_SIZE_MIN_EXT,
+ point->MinSize);
+ _mesa_PointParameterf(GL_POINT_SIZE_MAX_EXT,
+ point->MaxSize);
+ _mesa_PointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
+ point->Threshold);
}
if (ctx->Extensions.NV_point_sprite
|| ctx->Extensions.ARB_point_sprite) {
(GLint) point->CoordReplace[u]);
}
_mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite);
- _mesa_PointParameteriNV(GL_POINT_SPRITE_R_MODE_NV,
- ctx->Point.SpriteRMode);
- _mesa_PointParameterfEXT(GL_POINT_SPRITE_COORD_ORIGIN,
- (GLfloat)ctx->Point.SpriteOrigin);
+ if (ctx->Extensions.NV_point_sprite)
+ _mesa_PointParameteri(GL_POINT_SPRITE_R_MODE_NV,
+ ctx->Point.SpriteRMode);
+ _mesa_PointParameterf(GL_POINT_SPRITE_COORD_ORIGIN,
+ (GLfloat)ctx->Point.SpriteOrigin);
}
}
break;
}
break;
case GL_POLYGON_STIPPLE_BIT:
- MEMCPY( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) );
+ memcpy( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) );
ctx->NewState |= _NEW_POLYGONSTIPPLE;
if (ctx->Driver.PolygonStipple)
ctx->Driver.PolygonStipple( ctx, (const GLubyte *) attr->data );
/* restore clip planes */
for (i = 0; i < MAX_CLIP_PLANES; i++) {
- const GLuint mask = 1 << 1;
+ const GLuint mask = 1 << i;
const GLfloat *eyePlane = xform->EyeUserPlane[i];
COPY_4V(ctx->Transform.EyeUserPlane[i], eyePlane);
if (xform->ClipPlanesEnabled & mask) {
if (xform->RescaleNormals != ctx->Transform.RescaleNormals)
_mesa_set_enable(ctx, GL_RESCALE_NORMAL_EXT,
ctx->Transform.RescaleNormals);
+ if (xform->DepthClamp != ctx->Transform.DepthClamp)
+ _mesa_set_enable(ctx, GL_DEPTH_CLAMP,
+ ctx->Transform.DepthClamp);
}
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);
+ struct texture_state *texstate
+ = (struct texture_state *) attr->data;
+ pop_texture_group(ctx, texstate);
ctx->NewState |= _NEW_TEXTURE;
}
break;
* counts when pushing/popping the GL_CLIENT_VERTEX_ARRAY_BIT attribute group.
*/
static void
-adjust_buffer_object_ref_counts(struct gl_array_attrib *array, GLint step)
+adjust_buffer_object_ref_counts(struct gl_array_object *arrayObj, GLint step)
{
GLuint i;
- array->ArrayObj->Vertex.BufferObj->RefCount += step;
- array->ArrayObj->Normal.BufferObj->RefCount += step;
- array->ArrayObj->Color.BufferObj->RefCount += step;
- array->ArrayObj->SecondaryColor.BufferObj->RefCount += step;
- array->ArrayObj->FogCoord.BufferObj->RefCount += step;
- array->ArrayObj->Index.BufferObj->RefCount += step;
- array->ArrayObj->EdgeFlag.BufferObj->RefCount += step;
- for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++)
- array->ArrayObj->TexCoord[i].BufferObj->RefCount += step;
- for (i = 0; i < VERT_ATTRIB_MAX; i++)
- array->ArrayObj->VertexAttrib[i].BufferObj->RefCount += step;
-
- array->ArrayBufferObj->RefCount += step;
- array->ElementArrayBufferObj->RefCount += step;
+
+ arrayObj->Vertex.BufferObj->RefCount += step;
+ arrayObj->Weight.BufferObj->RefCount += step;
+ arrayObj->Normal.BufferObj->RefCount += step;
+ arrayObj->Color.BufferObj->RefCount += step;
+ arrayObj->SecondaryColor.BufferObj->RefCount += step;
+ arrayObj->FogCoord.BufferObj->RefCount += step;
+ arrayObj->Index.BufferObj->RefCount += step;
+ arrayObj->EdgeFlag.BufferObj->RefCount += step;
+ for (i = 0; i < Elements(arrayObj->TexCoord); i++)
+ arrayObj->TexCoord[i].BufferObj->RefCount += step;
+ for (i = 0; i < Elements(arrayObj->VertexAttrib); i++)
+ arrayObj->VertexAttrib[i].BufferObj->RefCount += step;
+}
+
+
+/**
+ * Copy gl_pixelstore_attrib from src to dst, updating buffer
+ * object refcounts.
+ */
+static void
+copy_pixelstore(GLcontext *ctx,
+ struct gl_pixelstore_attrib *dst,
+ const struct gl_pixelstore_attrib *src)
+{
+ dst->Alignment = src->Alignment;
+ dst->RowLength = src->RowLength;
+ dst->SkipPixels = src->SkipPixels;
+ dst->SkipRows = src->SkipRows;
+ dst->ImageHeight = src->ImageHeight;
+ dst->SkipImages = src->SkipImages;
+ dst->SwapBytes = src->SwapBytes;
+ dst->LsbFirst = src->LsbFirst;
+ dst->ClientStorage = src->ClientStorage;
+ dst->Invert = src->Invert;
+ _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
}
void GLAPIENTRY
_mesa_PushClientAttrib(GLbitfield mask)
{
- struct gl_attrib_node *newnode;
struct gl_attrib_node *head;
GET_CURRENT_CONTEXT(ctx);
return;
}
- /* Build linked list of attribute nodes which save all attribute */
- /* groups specified by the mask. */
+ /* 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;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Pack.BufferObj->RefCount++;
- ctx->Unpack.BufferObj->RefCount++;
-#endif
/* 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;
+ attr = CALLOC_STRUCT( gl_pixelstore_attrib );
+ copy_pixelstore(ctx, attr, &ctx->Pack);
+ save_attrib_data(&head, GL_CLIENT_PACK_BIT, attr);
/* 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;
+ attr = CALLOC_STRUCT( gl_pixelstore_attrib );
+ copy_pixelstore(ctx, attr, &ctx->Unpack);
+ save_attrib_data(&head, GL_CLIENT_UNPACK_BIT, attr);
}
+
if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
struct gl_array_attrib *attr;
struct gl_array_object *obj;
ctx->Array.ElementArrayBufferObj->RefCount++;
#endif
- MEMCPY( attr, &ctx->Array, sizeof(struct gl_array_attrib) );
- MEMCPY( obj, ctx->Array.ArrayObj, sizeof(struct gl_array_object) );
+ memcpy( attr, &ctx->Array, sizeof(struct gl_array_attrib) );
+ memcpy( obj, ctx->Array.ArrayObj, sizeof(struct gl_array_object) );
attr->ArrayObj = obj;
- newnode = new_attrib_node( GL_CLIENT_VERTEX_ARRAY_BIT );
- newnode->data = attr;
- newnode->next = head;
- head = newnode;
+ save_attrib_data(&head, GL_CLIENT_VERTEX_ARRAY_BIT, attr);
+
/* bump reference counts on buffer objects */
- adjust_buffer_object_ref_counts(&ctx->Array, 1);
+ adjust_buffer_object_ref_counts(ctx->Array.ArrayObj, 1);
}
ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
void GLAPIENTRY
_mesa_PopClientAttrib(void)
{
- struct gl_attrib_node *attr, *next;
+ struct gl_attrib_node *node, *next;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
}
ctx->ClientAttribStackDepth--;
- attr = ctx->ClientAttribStack[ctx->ClientAttribStackDepth];
+ node = ctx->ClientAttribStack[ctx->ClientAttribStackDepth];
- while (attr) {
- switch (attr->kind) {
+ while (node) {
+ switch (node->kind) {
case GL_CLIENT_PACK_BIT:
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Pack.BufferObj->RefCount--;
- if (ctx->Pack.BufferObj->RefCount <= 0) {
- _mesa_remove_buffer_object( ctx, ctx->Pack.BufferObj );
- (*ctx->Driver.DeleteBuffer)( ctx, ctx->Pack.BufferObj );
+ {
+ struct gl_pixelstore_attrib *store =
+ (struct gl_pixelstore_attrib *) node->data;
+ copy_pixelstore(ctx, &ctx->Pack, store);
+ _mesa_reference_buffer_object(ctx, &store->BufferObj, NULL);
}
-#endif
- MEMCPY( &ctx->Pack, attr->data,
- sizeof(struct gl_pixelstore_attrib) );
ctx->NewState |= _NEW_PACKUNPACK;
break;
case GL_CLIENT_UNPACK_BIT:
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Unpack.BufferObj->RefCount--;
- if (ctx->Unpack.BufferObj->RefCount <= 0) {
- _mesa_remove_buffer_object( ctx, ctx->Unpack.BufferObj );
- (*ctx->Driver.DeleteBuffer)( ctx, ctx->Unpack.BufferObj );
+ {
+ struct gl_pixelstore_attrib *store =
+ (struct gl_pixelstore_attrib *) node->data;
+ copy_pixelstore(ctx, &ctx->Unpack, store);
+ _mesa_reference_buffer_object(ctx, &store->BufferObj, NULL);
}
-#endif
- MEMCPY( &ctx->Unpack, attr->data,
- sizeof(struct gl_pixelstore_attrib) );
ctx->NewState |= _NEW_PACKUNPACK;
break;
case GL_CLIENT_VERTEX_ARRAY_BIT: {
struct gl_array_attrib * data =
- (struct gl_array_attrib *) attr->data;
+ (struct gl_array_attrib *) node->data;
- adjust_buffer_object_ref_counts(&ctx->Array, -1);
+ adjust_buffer_object_ref_counts(ctx->Array.ArrayObj, -1);
ctx->Array.ActiveTexture = data->ActiveTexture;
- ctx->Array.LockFirst = data->LockFirst;
- ctx->Array.LockCount = data->LockCount;
+ if (data->LockCount != 0)
+ _mesa_LockArraysEXT(data->LockFirst, data->LockCount);
+ else if (ctx->Array.LockCount)
+ _mesa_UnlockArraysEXT();
_mesa_BindVertexArrayAPPLE( data->ArrayObj->Name );
data->ElementArrayBufferObj->Name);
#endif
- MEMCPY( ctx->Array.ArrayObj, data->ArrayObj,
+ memcpy( ctx->Array.ArrayObj, data->ArrayObj,
sizeof( struct gl_array_object ) );
FREE( data->ArrayObj );
break;
}
- next = attr->next;
- FREE( attr->data );
- FREE( attr );
- attr = next;
+ next = node->next;
+ FREE( node->data );
+ FREE( node );
+ node = next;
+ }
+}
+
+
+void
+_mesa_init_attrib_dispatch(struct _glapi_table *disp)
+{
+ SET_PopAttrib(disp, _mesa_PopAttrib);
+ SET_PushAttrib(disp, _mesa_PushAttrib);
+ SET_PopClientAttrib(disp, _mesa_PopClientAttrib);
+ SET_PushClientAttrib(disp, _mesa_PushClientAttrib);
+}
+
+
+#endif /* FEATURE_attrib_stack */
+
+
+/**
+ * Free any attribute state data that might be attached to the context.
+ */
+void
+_mesa_free_attrib_data(GLcontext *ctx)
+{
+ while (ctx->AttribStackDepth > 0) {
+ struct gl_attrib_node *attr, *next;
+
+ ctx->AttribStackDepth--;
+ attr = ctx->AttribStack[ctx->AttribStackDepth];
+
+ while (attr) {
+ if (attr->kind == GL_TEXTURE_BIT) {
+ struct texture_state *texstate = (struct texture_state*)attr->data;
+ GLuint u, tgt;
+ /* clear references to the saved texture objects */
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
+ }
+ }
+ }
+ else {
+ /* any other chunks of state that requires special handling? */
+ }
+
+ next = attr->next;
+ free(attr->data);
+ free(attr);
+ attr = next;
+ }
}
}