| /* $Id: attrib.c,v 1.2 1999/09/16 11:54:56 keithw Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.1 |
| * |
| * Copyright (C) 1999 Brian Paul All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| |
| |
| |
| #ifdef PC_HEADER |
| #include "all.h" |
| #else |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include "attrib.h" |
| #include "context.h" |
| #include "enable.h" |
| #include "enums.h" |
| #include "macros.h" |
| #include "misc.h" |
| #include "simple_list.h" |
| #include "texstate.h" |
| #include "types.h" |
| #ifdef XFree86Server |
| #undef MISC_H |
| #include "GL/xf86glx.h" |
| #endif |
| #endif |
| |
| |
| #define MALLOC_STRUCT(T) (struct T *) malloc( sizeof(struct T) ) |
| |
| |
| |
| /* |
| * Allocate a new attribute state node. These nodes have a |
| * "kind" value and a pointer to a struct of state data. |
| */ |
| static struct gl_attrib_node *new_attrib_node( GLbitfield kind ) |
| { |
| struct gl_attrib_node *an; |
| |
| an = (struct gl_attrib_node *) malloc( sizeof(struct gl_attrib_node) ); |
| if (an) { |
| an->kind = kind; |
| } |
| return an; |
| } |
| |
| |
| |
| /* |
| * Copy texture object state from one texture object to another. |
| */ |
| static void copy_texobj_state( struct gl_texture_object *dest, |
| const struct gl_texture_object *src ) |
| { |
| /* |
| dest->Name = src->Name; |
| dest->Dimensions = src->Dimensions; |
| */ |
| dest->Priority = src->Priority; |
| dest->BorderColor[0] = src->BorderColor[0]; |
| dest->BorderColor[1] = src->BorderColor[1]; |
| dest->BorderColor[2] = src->BorderColor[2]; |
| dest->BorderColor[3] = src->BorderColor[3]; |
| dest->WrapS = src->WrapS; |
| dest->WrapT = src->WrapT; |
| dest->WrapR = src->WrapR; |
| dest->MinFilter = src->MinFilter; |
| dest->MagFilter = src->MagFilter; |
| dest->MinLod = src->MinLod; |
| dest->MaxLod = src->MaxLod; |
| dest->BaseLevel = src->BaseLevel; |
| dest->MaxLevel = src->MaxLevel; |
| dest->P = src->P; |
| dest->M = src->M; |
| dest->MinMagThresh = src->MinMagThresh; |
| memcpy( dest->Palette, src->Palette, |
| sizeof(GLubyte) * MAX_TEXTURE_PALETTE_SIZE * 4 ); |
| dest->PaletteSize = src->PaletteSize; |
| dest->PaletteIntFormat = src->PaletteIntFormat; |
| dest->PaletteFormat = src->PaletteFormat; |
| dest->Complete = src->Complete; |
| dest->SampleFunc = src->SampleFunc; |
| } |
| |
| |
| |
| void gl_PushAttrib( GLcontext* ctx, GLbitfield mask ) |
| { |
| struct gl_attrib_node *newnode; |
| struct gl_attrib_node *head; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glPushAttrib"); |
| |
| if (MESA_VERBOSE&VERBOSE_API) |
| fprintf(stderr, "glPushAttrib %x\n", mask); |
| |
| if (ctx->AttribStackDepth>=MAX_ATTRIB_STACK_DEPTH) { |
| gl_error( ctx, GL_STACK_OVERFLOW, "glPushAttrib" ); |
| return; |
| } |
| |
| /* Build linked list of attribute nodes which save all attribute */ |
| /* groups specified by the mask. */ |
| head = NULL; |
| |
| 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; |
| } |
| |
| if (mask & GL_COLOR_BUFFER_BIT) { |
| 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; |
| } |
| |
| if (mask & GL_CURRENT_BIT) { |
| struct gl_current_attrib *attr; |
| 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; |
| } |
| |
| 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; |
| } |
| |
| if (mask & GL_ENABLE_BIT) { |
| struct gl_enable_attrib *attr; |
| GLuint i; |
| attr = MALLOC_STRUCT( gl_enable_attrib ); |
| /* Copy enable flags from all other attributes into the enable struct. */ |
| attr->AlphaTest = ctx->Color.AlphaEnabled; |
| attr->AutoNormal = ctx->Eval.AutoNormal; |
| attr->Blend = ctx->Color.BlendEnabled; |
| for (i=0;i<MAX_CLIP_PLANES;i++) { |
| attr->ClipPlane[i] = ctx->Transform.ClipEnabled[i]; |
| } |
| attr->ColorMaterial = ctx->Light.ColorMaterialEnabled; |
| attr->CullFace = ctx->Polygon.CullFlag; |
| attr->DepthTest = ctx->Depth.Test; |
| attr->Dither = ctx->Color.DitherFlag; |
| attr->Fog = ctx->Fog.Enabled; |
| for (i=0;i<MAX_LIGHTS;i++) { |
| attr->Light[i] = ctx->Light.Light[i].Enabled; |
| } |
| attr->Lighting = ctx->Light.Enabled; |
| attr->LineSmooth = ctx->Line.SmoothFlag; |
| attr->LineStipple = ctx->Line.StippleFlag; |
| attr->IndexLogicOp = ctx->Color.IndexLogicOpEnabled; |
| attr->ColorLogicOp = ctx->Color.ColorLogicOpEnabled; |
| attr->Map1Color4 = ctx->Eval.Map1Color4; |
| attr->Map1Index = ctx->Eval.Map1Index; |
| attr->Map1Normal = ctx->Eval.Map1Normal; |
| attr->Map1TextureCoord1 = ctx->Eval.Map1TextureCoord1; |
| attr->Map1TextureCoord2 = ctx->Eval.Map1TextureCoord2; |
| attr->Map1TextureCoord3 = ctx->Eval.Map1TextureCoord3; |
| attr->Map1TextureCoord4 = ctx->Eval.Map1TextureCoord4; |
| attr->Map1Vertex3 = ctx->Eval.Map1Vertex3; |
| attr->Map1Vertex4 = ctx->Eval.Map1Vertex4; |
| attr->Map2Color4 = ctx->Eval.Map2Color4; |
| attr->Map2Index = ctx->Eval.Map2Index; |
| attr->Map2Normal = ctx->Eval.Map2Normal; |
| attr->Map2TextureCoord1 = ctx->Eval.Map2TextureCoord1; |
| attr->Map2TextureCoord2 = ctx->Eval.Map2TextureCoord2; |
| attr->Map2TextureCoord3 = ctx->Eval.Map2TextureCoord3; |
| attr->Map2TextureCoord4 = ctx->Eval.Map2TextureCoord4; |
| attr->Map2Vertex3 = ctx->Eval.Map2Vertex3; |
| attr->Map2Vertex4 = ctx->Eval.Map2Vertex4; |
| attr->Normalize = ctx->Transform.Normalize; |
| attr->PointSmooth = ctx->Point.SmoothFlag; |
| attr->PolygonOffsetPoint = ctx->Polygon.OffsetPoint; |
| attr->PolygonOffsetLine = ctx->Polygon.OffsetLine; |
| attr->PolygonOffsetFill = ctx->Polygon.OffsetFill; |
| attr->PolygonSmooth = ctx->Polygon.SmoothFlag; |
| attr->PolygonStipple = ctx->Polygon.StippleFlag; |
| attr->RescaleNormals = ctx->Transform.RescaleNormals; |
| attr->Scissor = ctx->Scissor.Enabled; |
| attr->Stencil = ctx->Stencil.Enabled; |
| attr->Texture = ctx->Texture.Enabled; |
| for (i=0; i<MAX_TEXTURE_UNITS; i++) { |
| attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled; |
| } |
| newnode = new_attrib_node( GL_ENABLE_BIT ); |
| newnode->data = attr; |
| newnode->next = head; |
| head = newnode; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| if (mask & GL_LIGHTING_BIT) { |
| struct gl_light_attrib *attr; |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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) ); |
| newnode = new_attrib_node( GL_PIXEL_MODE_BIT ); |
| newnode->data = attr; |
| newnode->next = head; |
| head = newnode; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| if (mask & GL_TEXTURE_BIT) { |
| struct gl_texture_attrib *attr; |
| GLuint u; |
| /* Take care of texture object reference counters */ |
| for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { |
| ctx->Texture.Unit[u].CurrentD[1]->RefCount++; |
| ctx->Texture.Unit[u].CurrentD[2]->RefCount++; |
| ctx->Texture.Unit[u].CurrentD[3]->RefCount++; |
| } |
| attr = MALLOC_STRUCT( gl_texture_attrib ); |
| MEMCPY( attr, &ctx->Texture, sizeof(struct gl_texture_attrib) ); |
| /* copy state of the currently bound texture objects */ |
| for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { |
| copy_texobj_state(&attr->Unit[u].Saved1D, attr->Unit[u].CurrentD[1]); |
| copy_texobj_state(&attr->Unit[u].Saved2D, attr->Unit[u].CurrentD[2]); |
| copy_texobj_state(&attr->Unit[u].Saved3D, attr->Unit[u].CurrentD[3]); |
| } |
| newnode = new_attrib_node( GL_TEXTURE_BIT ); |
| newnode->data = attr; |
| newnode->next = head; |
| head = newnode; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| ctx->AttribStack[ctx->AttribStackDepth] = head; |
| ctx->AttribStackDepth++; |
| } |
| |
| |
| |
| /* |
| * This function is kind of long just because we have to call a lot |
| * of device driver functions to update device driver state. |
| */ |
| void gl_PopAttrib( GLcontext* ctx ) |
| { |
| struct gl_attrib_node *attr, *next; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glPopAttrib"); |
| |
| |
| if (ctx->AttribStackDepth==0) { |
| gl_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", gl_lookup_enum_by_nr(attr->kind)); |
| |
| switch (attr->kind) { |
| case GL_ACCUM_BUFFER_BIT: |
| MEMCPY( &ctx->Accum, attr->data, sizeof(struct gl_accum_attrib) ); |
| break; |
| case GL_COLOR_BUFFER_BIT: |
| { |
| GLenum oldDrawBuffer = ctx->Color.DrawBuffer; |
| GLenum oldAlphaFunc = ctx->Color.AlphaFunc; |
| GLubyte oldAlphaRef = ctx->Color.AlphaRef; |
| GLenum oldBlendSrc = ctx->Color.BlendSrcRGB; |
| GLenum oldBlendDst = ctx->Color.BlendDstRGB; |
| MEMCPY( &ctx->Color, attr->data, |
| sizeof(struct gl_colorbuffer_attrib) ); |
| if (ctx->Color.DrawBuffer != oldDrawBuffer) { |
| gl_DrawBuffer(ctx, ctx->Color.DrawBuffer); |
| } |
| if ((ctx->Color.AlphaFunc != oldAlphaFunc || |
| ctx->Color.AlphaRef != oldAlphaRef) && |
| ctx->Driver.AlphaFunc) |
| (*ctx->Driver.AlphaFunc)( ctx, ctx->Color.AlphaFunc, |
| ctx->Color.AlphaRef / 255.0F); |
| if ((ctx->Color.BlendSrcRGB != oldBlendSrc || |
| ctx->Color.BlendSrcRGB != oldBlendDst) && |
| ctx->Driver.BlendFunc) |
| (*ctx->Driver.BlendFunc)( ctx, ctx->Color.BlendSrcRGB, |
| ctx->Color.BlendDstRGB); |
| } |
| break; |
| case GL_CURRENT_BIT: |
| MEMCPY( &ctx->Current, attr->data, |
| sizeof(struct gl_current_attrib) ); |
| break; |
| case GL_DEPTH_BUFFER_BIT: |
| { |
| GLenum oldDepthFunc = ctx->Depth.Func; |
| GLboolean oldDepthMask = ctx->Depth.Mask; |
| GLfloat oldDepthClear = ctx->Depth.Clear; |
| MEMCPY( &ctx->Depth, attr->data, |
| sizeof(struct gl_depthbuffer_attrib) ); |
| if (ctx->Depth.Func != oldDepthFunc && ctx->Driver.DepthFunc) |
| (*ctx->Driver.DepthFunc)( ctx, ctx->Depth.Func ); |
| if (ctx->Depth.Mask != oldDepthMask && ctx->Driver.DepthMask) |
| (*ctx->Driver.DepthMask)( ctx, ctx->Depth.Mask ); |
| if (ctx->Depth.Clear != oldDepthClear && ctx->Driver.ClearDepth) |
| (*ctx->Driver.ClearDepth)( ctx, ctx->Depth.Clear ); |
| } |
| break; |
| case GL_ENABLE_BIT: |
| { |
| const struct gl_enable_attrib *enable; |
| enable = (const struct gl_enable_attrib *) attr->data; |
| |
| #define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \ |
| if ((VALUE) != (NEWVALUE)) { \ |
| gl_set_enable( ctx, ENUM, (NEWVALUE) ); \ |
| } |
| |
| TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST); |
| TEST_AND_UPDATE(ctx->Transform.Normalize, enable->AutoNormal, GL_NORMALIZE); |
| TEST_AND_UPDATE(ctx->Color.BlendEnabled, enable->Blend, GL_BLEND); |
| { |
| GLuint i; |
| for (i=0;i<MAX_CLIP_PLANES;i++) { |
| if (ctx->Transform.ClipEnabled[i] != enable->ClipPlane[i]) |
| gl_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->Color.DitherFlag, enable->Dither, GL_DITHER); |
| 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->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); |
| if (ctx->Texture.Enabled != enable->Texture) { |
| ctx->Texture.Enabled = enable->Texture; |
| if (ctx->Driver.Enable) { |
| if (ctx->Driver.ActiveTexture) |
| (*ctx->Driver.ActiveTexture)( ctx, 0 ); |
| (*ctx->Driver.Enable)( ctx, GL_TEXTURE_1D, (GLboolean) (enable->Texture & TEXTURE0_1D) ); |
| (*ctx->Driver.Enable)( ctx, GL_TEXTURE_2D, (GLboolean) (enable->Texture & TEXTURE0_2D) ); |
| (*ctx->Driver.Enable)( ctx, GL_TEXTURE_3D, (GLboolean) (enable->Texture & TEXTURE0_3D) ); |
| if (ctx->Driver.ActiveTexture) |
| (*ctx->Driver.ActiveTexture)( ctx, 1 ); |
| (*ctx->Driver.Enable)( ctx, GL_TEXTURE_1D, (GLboolean) (enable->Texture & TEXTURE1_1D) ); |
| (*ctx->Driver.Enable)( ctx, GL_TEXTURE_2D, (GLboolean) (enable->Texture & TEXTURE1_2D) ); |
| (*ctx->Driver.Enable)( ctx, GL_TEXTURE_3D, (GLboolean) (enable->Texture & TEXTURE1_3D) ); |
| if (ctx->Driver.ActiveTexture) |
| (*ctx->Driver.ActiveTexture)( ctx, ctx->Texture.CurrentUnit ); |
| } |
| } |
| #undef TEST_AND_UPDATE |
| { |
| GLuint i; |
| for (i=0; i<MAX_TEXTURE_UNITS; i++) { |
| if (ctx->Texture.Unit[i].TexGenEnabled != enable->TexGen[i]) { |
| ctx->Texture.Unit[i].TexGenEnabled = enable->TexGen[i]; |
| |
| /* ctx->Enabled recalculated in state change |
| processing */ |
| |
| 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 ); |
| } |
| } |
| break; |
| case GL_EVAL_BIT: |
| MEMCPY( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) ); |
| break; |
| case GL_FOG_BIT: |
| { |
| GLboolean anyChange = (memcmp( &ctx->Fog, attr->data, sizeof(struct gl_fog_attrib) ) != 0); |
| MEMCPY( &ctx->Fog, attr->data, sizeof(struct gl_fog_attrib) ); |
| if (anyChange && ctx->Driver.Fogfv) { |
| const GLfloat mode = ctx->Fog.Mode; |
| const GLfloat density = ctx->Fog.Density; |
| const GLfloat start = ctx->Fog.Start; |
| const GLfloat end = ctx->Fog.End; |
| const GLfloat index = ctx->Fog.Index; |
| (*ctx->Driver.Fogfv)( ctx, GL_FOG_MODE, &mode); |
| (*ctx->Driver.Fogfv)( ctx, GL_FOG_DENSITY, &density ); |
| (*ctx->Driver.Fogfv)( ctx, GL_FOG_START, &start ); |
| (*ctx->Driver.Fogfv)( ctx, GL_FOG_END, &end ); |
| (*ctx->Driver.Fogfv)( ctx, GL_FOG_INDEX, &index ); |
| (*ctx->Driver.Fogfv)( ctx, GL_FOG_COLOR, ctx->Fog.Color ); |
| } |
| ctx->Enabled &= ENABLE_FOG; |
| if (ctx->Fog.Enabled) ctx->Enabled |= ENABLE_FOG; |
| } |
| break; |
| case GL_HINT_BIT: |
| MEMCPY( &ctx->Hint, attr->data, sizeof(struct gl_hint_attrib) ); |
| if (ctx->Driver.Hint) { |
| (*ctx->Driver.Hint)( ctx, GL_PERSPECTIVE_CORRECTION_HINT, |
| ctx->Hint.PerspectiveCorrection ); |
| (*ctx->Driver.Hint)( ctx, GL_POINT_SMOOTH_HINT, |
| ctx->Hint.PointSmooth); |
| (*ctx->Driver.Hint)( ctx, GL_LINE_SMOOTH_HINT, |
| ctx->Hint.LineSmooth ); |
| (*ctx->Driver.Hint)( ctx, GL_POLYGON_SMOOTH_HINT, |
| ctx->Hint.PolygonSmooth ); |
| (*ctx->Driver.Hint)( ctx, GL_FOG_HINT, ctx->Hint.Fog ); |
| } |
| break; |
| case GL_LIGHTING_BIT: |
| MEMCPY( &ctx->Light, attr->data, sizeof(struct gl_light_attrib) ); |
| if (ctx->Driver.Enable) { |
| GLuint i; |
| for (i = 0; i < MAX_LIGHTS; i++) { |
| GLenum light = (GLenum) (GL_LIGHT0 + i); |
| (*ctx->Driver.Enable)( ctx, light, ctx->Light.Light[i].Enabled ); |
| } |
| (*ctx->Driver.Enable)( ctx, GL_LIGHTING, ctx->Light.Enabled ); |
| } |
| ctx->Enabled &= ENABLE_LIGHT; |
| if (ctx->Light.Enabled && !is_empty_list(&ctx->Light.EnabledList)) |
| ctx->Enabled |= ENABLE_LIGHT; |
| break; |
| case GL_LINE_BIT: |
| MEMCPY( &ctx->Line, attr->data, sizeof(struct gl_line_attrib) ); |
| if (ctx->Driver.Enable) { |
| (*ctx->Driver.Enable)( ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag ); |
| (*ctx->Driver.Enable)( ctx, GL_LINE_STIPPLE, ctx->Line.StippleFlag ); |
| } |
| 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) ); |
| break; |
| case GL_POINT_BIT: |
| MEMCPY( &ctx->Point, attr->data, sizeof(struct gl_point_attrib) ); |
| if (ctx->Driver.Enable) |
| (*ctx->Driver.Enable)( ctx, GL_POINT_SMOOTH, ctx->Point.SmoothFlag ); |
| break; |
| case GL_POLYGON_BIT: |
| { |
| GLenum oldFrontMode = ctx->Polygon.FrontMode; |
| GLenum oldBackMode = ctx->Polygon.BackMode; |
| MEMCPY( &ctx->Polygon, attr->data, |
| sizeof(struct gl_polygon_attrib) ); |
| if ((ctx->Polygon.FrontMode != oldFrontMode || |
| ctx->Polygon.BackMode != oldBackMode) && |
| ctx->Driver.PolygonMode) { |
| (*ctx->Driver.PolygonMode)( ctx, GL_FRONT, ctx->Polygon.FrontMode); |
| (*ctx->Driver.PolygonMode)( ctx, GL_BACK, ctx->Polygon.BackMode); |
| } |
| if (ctx->Driver.CullFace) |
| ctx->Driver.CullFace( ctx, ctx->Polygon.CullFaceMode ); |
| |
| if (ctx->Driver.FrontFace) |
| ctx->Driver.FrontFace( ctx, ctx->Polygon.FrontFace ); |
| |
| if (ctx->Driver.Enable) |
| (*ctx->Driver.Enable)( ctx, GL_POLYGON_SMOOTH, ctx->Polygon.SmoothFlag ); |
| } |
| break; |
| case GL_POLYGON_STIPPLE_BIT: |
| MEMCPY( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) ); |
| break; |
| case GL_SCISSOR_BIT: |
| MEMCPY( &ctx->Scissor, attr->data, |
| sizeof(struct gl_scissor_attrib) ); |
| if (ctx->Driver.Enable) |
| (*ctx->Driver.Enable)( ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled ); |
| if (ctx->Driver.Scissor) |
| ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y, |
| ctx->Scissor.Width, ctx->Scissor.Height ); |
| break; |
| case GL_STENCIL_BUFFER_BIT: |
| MEMCPY( &ctx->Stencil, attr->data, |
| sizeof(struct gl_stencil_attrib) ); |
| if (ctx->Driver.StencilFunc) |
| (*ctx->Driver.StencilFunc)( ctx, ctx->Stencil.Function, |
| ctx->Stencil.Ref, ctx->Stencil.ValueMask); |
| if (ctx->Driver.StencilMask) |
| (*ctx->Driver.StencilMask)( ctx, ctx->Stencil.WriteMask ); |
| if (ctx->Driver.StencilOp) |
| (*ctx->Driver.StencilOp)( ctx, ctx->Stencil.FailFunc, |
| ctx->Stencil.ZFailFunc, ctx->Stencil.ZPassFunc); |
| if (ctx->Driver.ClearStencil) |
| (*ctx->Driver.ClearStencil)( ctx, ctx->Stencil.Clear ); |
| if (ctx->Driver.Enable) |
| (*ctx->Driver.Enable)( ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled ); |
| /* ctx->TriangleCaps &= ~DD_STENCIL; */ |
| /* if (ctx->Stencil.Enabled) */ |
| /* ctx->TriangleCaps |= DD_STENCIL; */ |
| |
| break; |
| case GL_TRANSFORM_BIT: |
| MEMCPY( &ctx->Transform, attr->data, |
| sizeof(struct gl_transform_attrib) ); |
| if (ctx->Driver.Enable) { |
| (*ctx->Driver.Enable)( ctx, GL_NORMALIZE, ctx->Transform.Normalize ); |
| (*ctx->Driver.Enable)( ctx, GL_RESCALE_NORMAL_EXT, ctx->Transform.RescaleNormals ); |
| } |
| ctx->Enabled &= ~(ENABLE_NORMALIZE|ENABLE_RESCALE); |
| if (ctx->Transform.Normalize) ctx->Enabled |= ENABLE_NORMALIZE; |
| if (ctx->Transform.RescaleNormals) ctx->Enabled |= ENABLE_RESCALE; |
| break; |
| case GL_TEXTURE_BIT: |
| /* Take care of texture object reference counters */ |
| { |
| GLuint u; |
| for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { |
| ctx->Texture.Unit[u].CurrentD[1]->RefCount--; |
| ctx->Texture.Unit[u].CurrentD[2]->RefCount--; |
| ctx->Texture.Unit[u].CurrentD[3]->RefCount--; |
| } |
| MEMCPY( &ctx->Texture, attr->data, |
| sizeof(struct gl_texture_attrib) ); |
| /* restore state of the currently bound texture objects */ |
| for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { |
| copy_texobj_state( ctx->Texture.Unit[u].CurrentD[1], |
| &(ctx->Texture.Unit[u].Saved1D) ); |
| copy_texobj_state( ctx->Texture.Unit[u].CurrentD[2], |
| &(ctx->Texture.Unit[u].Saved2D) ); |
| copy_texobj_state( ctx->Texture.Unit[u].CurrentD[3], |
| &(ctx->Texture.Unit[u].Saved3D) ); |
| gl_put_texobj_on_dirty_list( ctx, ctx->Texture.Unit[u].CurrentD[1] ); |
| gl_put_texobj_on_dirty_list( ctx, ctx->Texture.Unit[u].CurrentD[2] ); |
| gl_put_texobj_on_dirty_list( ctx, ctx->Texture.Unit[u].CurrentD[3] ); |
| |
| } |
| } |
| break; |
| case GL_VIEWPORT_BIT: |
| { |
| struct gl_viewport_attrib *v = |
| (struct gl_viewport_attrib *)attr->data; |
| |
| gl_Viewport( ctx, v->X, v->Y, v->Width, v->Height ); |
| gl_DepthRange( ctx, v->Near, v->Far ); |
| break; |
| } |
| default: |
| gl_problem( ctx, "Bad attrib flag in PopAttrib"); |
| break; |
| } |
| |
| next = attr->next; |
| free( (void *) attr->data ); |
| free( (void *) attr ); |
| attr = next; |
| } |
| |
| ctx->NewState = NEW_ALL; |
| } |
| |
| |
| #define GL_CLIENT_PACK_BIT (1<<20) |
| #define GL_CLIENT_UNPACK_BIT (1<<21) |
| |
| |
| void gl_PushClientAttrib( GLcontext *ctx, GLbitfield mask ) |
| { |
| struct gl_attrib_node *newnode; |
| struct gl_attrib_node *head; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glPushClientAttrib"); |
| |
| if (ctx->ClientAttribStackDepth>=MAX_CLIENT_ATTRIB_STACK_DEPTH) { |
| gl_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 gl_PopClientAttrib( GLcontext *ctx ) |
| { |
| struct gl_attrib_node *attr, *next; |
| |
| ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glPopClientAttrib"); |
| |
| if (ctx->ClientAttribStackDepth==0) { |
| gl_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) ); |
| break; |
| case GL_CLIENT_UNPACK_BIT: |
| MEMCPY( &ctx->Unpack, attr->data, |
| sizeof(struct gl_pixelstore_attrib) ); |
| break; |
| case GL_CLIENT_VERTEX_ARRAY_BIT: |
| MEMCPY( &ctx->Array, attr->data, |
| sizeof(struct gl_array_attrib) ); |
| break; |
| default: |
| gl_problem( ctx, "Bad attrib flag in PopClientAttrib"); |
| break; |
| } |
| |
| next = attr->next; |
| free( (void *) attr->data ); |
| free( (void *) attr ); |
| attr = next; |
| } |
| |
| ctx->NewState = NEW_ALL; |
| } |
| |