| /* $Id: enable.c,v 1.40 2001/01/23 23:39:36 brianp Exp $ */ |
| |
| /* |
| * Mesa 3-D graphics library |
| * Version: 3.5 |
| * |
| * Copyright (C) 1999-2000 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 "glheader.h" |
| #include "context.h" |
| #include "enable.h" |
| #include "light.h" |
| #include "macros.h" |
| #include "mmath.h" |
| #include "simple_list.h" |
| #include "mtypes.h" |
| #include "enums.h" |
| |
| #include "math/m_matrix.h" |
| #include "math/m_xform.h" |
| |
| #endif |
| |
| |
| static void |
| client_state( GLcontext *ctx, GLenum cap, GLboolean state ) |
| { |
| GLuint flag; |
| GLboolean *var; |
| |
| switch (cap) { |
| case GL_VERTEX_ARRAY: |
| var = &ctx->Array.Vertex.Enabled; |
| flag = _NEW_ARRAY_VERTEX; |
| break; |
| case GL_NORMAL_ARRAY: |
| var = &ctx->Array.Normal.Enabled; |
| flag = _NEW_ARRAY_NORMAL; |
| break; |
| case GL_COLOR_ARRAY: |
| var = &ctx->Array.Color.Enabled; |
| flag = _NEW_ARRAY_COLOR; |
| break; |
| case GL_INDEX_ARRAY: |
| var = &ctx->Array.Index.Enabled; |
| flag = _NEW_ARRAY_INDEX; |
| break; |
| case GL_TEXTURE_COORD_ARRAY: |
| var = &ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled; |
| flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture); |
| break; |
| case GL_EDGE_FLAG_ARRAY: |
| var = &ctx->Array.EdgeFlag.Enabled; |
| flag = _NEW_ARRAY_EDGEFLAG; |
| break; |
| case GL_FOG_COORDINATE_ARRAY_EXT: |
| var = &ctx->Array.FogCoord.Enabled; |
| flag = _NEW_ARRAY_FOGCOORD; |
| break; |
| case GL_SECONDARY_COLOR_ARRAY_EXT: |
| var = &ctx->Array.SecondaryColor.Enabled; |
| flag = _NEW_ARRAY_SECONDARYCOLOR; |
| break; |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glEnable/DisableClientState" ); |
| return; |
| } |
| |
| if (*var == flag) |
| return; |
| |
| FLUSH_VERTICES(ctx, _NEW_ARRAY); |
| ctx->Array.NewState |= flag; |
| *var = state; |
| |
| if (state) |
| ctx->Array._Enabled |= flag; |
| else |
| ctx->Array._Enabled &= ~flag; |
| |
| if (ctx->Driver.Enable) { |
| (*ctx->Driver.Enable)( ctx, cap, state ); |
| } |
| } |
| |
| |
| |
| void |
| _mesa_EnableClientState( GLenum cap ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| client_state( ctx, cap, GL_TRUE ); |
| } |
| |
| |
| |
| void |
| _mesa_DisableClientState( GLenum cap ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| client_state( ctx, cap, GL_FALSE ); |
| } |
| |
| |
| /* |
| * Perform glEnable and glDisable calls. |
| */ |
| void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state ) |
| { |
| if (MESA_VERBOSE & VERBOSE_API) |
| fprintf(stderr, "%s %s (newstate is %x)\n", |
| state ? "glEnable" : "glDisable", |
| gl_lookup_enum_by_nr(cap), |
| ctx->NewState); |
| |
| switch (cap) { |
| case GL_ALPHA_TEST: |
| if (ctx->Color.AlphaEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_COLOR); |
| ctx->Color.AlphaEnabled = state; |
| break; |
| case GL_AUTO_NORMAL: |
| if (ctx->Eval.AutoNormal == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.AutoNormal = state; |
| break; |
| case GL_BLEND: |
| if (ctx->Color.BlendEnabled == state) |
| return; |
| |
| FLUSH_VERTICES(ctx, _NEW_COLOR); |
| ctx->Color.BlendEnabled = state; |
| /* The following needed to accomodate 1.0 RGB logic op blending */ |
| ctx->Color.ColorLogicOpEnabled = |
| (ctx->Color.BlendEquation == GL_LOGIC_OP && state); |
| break; |
| case GL_CLIP_PLANE0: |
| case GL_CLIP_PLANE1: |
| case GL_CLIP_PLANE2: |
| case GL_CLIP_PLANE3: |
| case GL_CLIP_PLANE4: |
| case GL_CLIP_PLANE5: { |
| GLuint p = cap-GL_CLIP_PLANE0; |
| |
| if (ctx->Transform.ClipEnabled[p] == state) |
| return; |
| |
| FLUSH_VERTICES(ctx, _NEW_TRANSFORM); |
| ctx->Transform.ClipEnabled[p] = state; |
| |
| if (state) { |
| ctx->_Enabled |= ENABLE_USERCLIP; |
| ctx->Transform._AnyClip++; |
| |
| if (ctx->ProjectionMatrix.flags & MAT_DIRTY) { |
| _math_matrix_analyse( &ctx->ProjectionMatrix ); |
| } |
| |
| /* This derived state also calculated in clip.c and |
| * from gl_update_state() on changes to EyeUserPlane |
| * and ctx->ProjectionMatrix respectively. |
| */ |
| gl_transform_vector( ctx->Transform._ClipUserPlane[p], |
| ctx->Transform.EyeUserPlane[p], |
| ctx->ProjectionMatrix.inv ); |
| } else { |
| if (--ctx->Transform._AnyClip == 0) |
| ctx->_Enabled &= ~ENABLE_USERCLIP; |
| } |
| } |
| break; |
| case GL_COLOR_MATERIAL: |
| if (ctx->Light.ColorMaterialEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_LIGHT); |
| ctx->Light.ColorMaterialEnabled = state; |
| if (state) { |
| FLUSH_CURRENT(ctx, 0); |
| gl_update_color_material( ctx, ctx->Current.Color ); |
| } |
| break; |
| case GL_CULL_FACE: |
| if (ctx->Polygon.CullFlag == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POLYGON); |
| ctx->Polygon.CullFlag = state; |
| break; |
| case GL_DEPTH_TEST: |
| if (state && ctx->Visual.depthBits==0) { |
| _mesa_warning(ctx,"glEnable(GL_DEPTH_TEST) but no depth buffer"); |
| return; |
| } |
| if (ctx->Depth.Test==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_DEPTH); |
| ctx->Depth.Test = state; |
| break; |
| case GL_DITHER: |
| if (ctx->NoDither) { |
| state = GL_FALSE; /* MESA_NO_DITHER env var */ |
| } |
| if (ctx->Color.DitherFlag==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_COLOR); |
| ctx->Color.DitherFlag = state; |
| break; |
| case GL_FOG: |
| if (ctx->Fog.Enabled==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_FOG); |
| ctx->Fog.Enabled = state; |
| ctx->_Enabled ^= ENABLE_FOG; |
| break; |
| case GL_HISTOGRAM: |
| if (!ctx->Extensions.EXT_histogram) { |
| gl_error(ctx, GL_INVALID_ENUM, "enable GL_HISTOGRAM"); |
| return; |
| } |
| if (ctx->Pixel.HistogramEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.HistogramEnabled = state; |
| break; |
| case GL_LIGHT0: |
| case GL_LIGHT1: |
| case GL_LIGHT2: |
| case GL_LIGHT3: |
| case GL_LIGHT4: |
| case GL_LIGHT5: |
| case GL_LIGHT6: |
| case GL_LIGHT7: |
| if (ctx->Light.Light[cap-GL_LIGHT0].Enabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_LIGHT); |
| ctx->Light.Light[cap-GL_LIGHT0].Enabled = state; |
| if (state) { |
| insert_at_tail(&ctx->Light.EnabledList, |
| &ctx->Light.Light[cap-GL_LIGHT0]); |
| } |
| else { |
| remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]); |
| } |
| break; |
| case GL_LIGHTING: |
| if (ctx->Light.Enabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_LIGHT); |
| ctx->Light.Enabled = state; |
| ctx->_Enabled ^= ENABLE_LIGHT; |
| break; |
| case GL_LINE_SMOOTH: |
| if (ctx->Line.SmoothFlag == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_LINE); |
| ctx->Line.SmoothFlag = state; |
| ctx->_TriangleCaps ^= DD_LINE_SMOOTH; |
| break; |
| case GL_LINE_STIPPLE: |
| if (ctx->Line.StippleFlag == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_LINE); |
| ctx->Line.StippleFlag = state; |
| ctx->_TriangleCaps ^= DD_LINE_STIPPLE; |
| break; |
| case GL_INDEX_LOGIC_OP: |
| if (ctx->Color.IndexLogicOpEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_COLOR); |
| ctx->Color.IndexLogicOpEnabled = state; |
| break; |
| case GL_COLOR_LOGIC_OP: |
| if (ctx->Color.ColorLogicOpEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_COLOR); |
| ctx->Color.ColorLogicOpEnabled = state; |
| break; |
| case GL_MAP1_COLOR_4: |
| if (ctx->Eval.Map1Color4 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1Color4 = state; |
| break; |
| case GL_MAP1_INDEX: |
| if (ctx->Eval.Map1Index == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1Index = state; |
| break; |
| case GL_MAP1_NORMAL: |
| if (ctx->Eval.Map1Normal == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1Normal = state; |
| break; |
| case GL_MAP1_TEXTURE_COORD_1: |
| if (ctx->Eval.Map1TextureCoord1 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1TextureCoord1 = state; |
| break; |
| case GL_MAP1_TEXTURE_COORD_2: |
| if (ctx->Eval.Map1TextureCoord2 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1TextureCoord2 = state; |
| break; |
| case GL_MAP1_TEXTURE_COORD_3: |
| if (ctx->Eval.Map1TextureCoord3 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1TextureCoord3 = state; |
| break; |
| case GL_MAP1_TEXTURE_COORD_4: |
| if (ctx->Eval.Map1TextureCoord4 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1TextureCoord4 = state; |
| break; |
| case GL_MAP1_VERTEX_3: |
| if (ctx->Eval.Map1Vertex3 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1Vertex3 = state; |
| break; |
| case GL_MAP1_VERTEX_4: |
| if (ctx->Eval.Map1Vertex4 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map1Vertex4 = state; |
| break; |
| case GL_MAP2_COLOR_4: |
| if (ctx->Eval.Map2Color4 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2Color4 = state; |
| break; |
| case GL_MAP2_INDEX: |
| if (ctx->Eval.Map2Index == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2Index = state; |
| break; |
| case GL_MAP2_NORMAL: |
| if (ctx->Eval.Map2Normal == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2Normal = state; |
| break; |
| case GL_MAP2_TEXTURE_COORD_1: |
| if (ctx->Eval.Map2TextureCoord1 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2TextureCoord1 = state; |
| break; |
| case GL_MAP2_TEXTURE_COORD_2: |
| if (ctx->Eval.Map2TextureCoord2 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2TextureCoord2 = state; |
| break; |
| case GL_MAP2_TEXTURE_COORD_3: |
| if (ctx->Eval.Map2TextureCoord3 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2TextureCoord3 = state; |
| break; |
| case GL_MAP2_TEXTURE_COORD_4: |
| if (ctx->Eval.Map2TextureCoord4 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2TextureCoord4 = state; |
| break; |
| case GL_MAP2_VERTEX_3: |
| if (ctx->Eval.Map2Vertex3 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2Vertex3 = state; |
| break; |
| case GL_MAP2_VERTEX_4: |
| if (ctx->Eval.Map2Vertex4 == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_EVAL); |
| ctx->Eval.Map2Vertex4 = state; |
| break; |
| case GL_MINMAX: |
| if (ctx->Pixel.MinMaxEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.MinMaxEnabled = state; |
| break; |
| case GL_NORMALIZE: |
| if (ctx->Transform.Normalize == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TRANSFORM); |
| ctx->Transform.Normalize = state; |
| ctx->_Enabled ^= ENABLE_NORMALIZE; |
| break; |
| case GL_POINT_SMOOTH: |
| if (ctx->Point.SmoothFlag==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POINT); |
| ctx->Point.SmoothFlag = state; |
| ctx->_TriangleCaps ^= DD_POINT_SMOOTH; |
| break; |
| case GL_POLYGON_SMOOTH: |
| if (ctx->Polygon.SmoothFlag==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POLYGON); |
| ctx->Polygon.SmoothFlag = state; |
| ctx->_TriangleCaps ^= DD_TRI_SMOOTH; |
| break; |
| case GL_POLYGON_STIPPLE: |
| if (ctx->Polygon.StippleFlag==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POLYGON); |
| ctx->Polygon.StippleFlag = state; |
| ctx->_TriangleCaps ^= DD_TRI_STIPPLE; |
| break; |
| case GL_POLYGON_OFFSET_POINT: |
| if (ctx->Polygon.OffsetPoint==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POLYGON); |
| ctx->Polygon.OffsetPoint = state; |
| break; |
| case GL_POLYGON_OFFSET_LINE: |
| if (ctx->Polygon.OffsetLine==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POLYGON); |
| ctx->Polygon.OffsetLine = state; |
| break; |
| case GL_POLYGON_OFFSET_FILL: |
| /*case GL_POLYGON_OFFSET_EXT:*/ |
| if (ctx->Polygon.OffsetFill==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POLYGON); |
| ctx->Polygon.OffsetFill = state; |
| break; |
| case GL_RESCALE_NORMAL_EXT: |
| if (ctx->Transform.RescaleNormals == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TRANSFORM); |
| ctx->Transform.RescaleNormals = state; |
| ctx->_Enabled ^= ENABLE_RESCALE; |
| break; |
| case GL_SCISSOR_TEST: |
| if (ctx->Scissor.Enabled==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_SCISSOR); |
| ctx->Scissor.Enabled = state; |
| break; |
| case GL_SHARED_TEXTURE_PALETTE_EXT: |
| if (ctx->Texture.SharedPalette == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| ctx->Texture.SharedPalette = state; |
| break; |
| case GL_STENCIL_TEST: |
| if (state && ctx->Visual.stencilBits==0) { |
| _mesa_warning(ctx, "glEnable(GL_STENCIL_TEST) but no stencil buffer"); |
| return; |
| } |
| if (ctx->Stencil.Enabled==state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_STENCIL); |
| ctx->Stencil.Enabled = state; |
| ctx->_TriangleCaps ^= DD_STENCIL; |
| break; |
| case GL_TEXTURE_1D: { |
| const GLuint curr = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; |
| GLuint newenabled = texUnit->Enabled & ~TEXTURE0_1D; |
| if (state) |
| newenabled |= TEXTURE0_1D; |
| if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->Enabled = newenabled; |
| break; |
| } |
| case GL_TEXTURE_2D: { |
| const GLuint curr = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; |
| GLuint newenabled = texUnit->Enabled & ~TEXTURE0_2D; |
| if (state) |
| newenabled |= TEXTURE0_2D; |
| if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->Enabled = newenabled; |
| break; |
| } |
| case GL_TEXTURE_3D: { |
| const GLuint curr = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; |
| GLuint newenabled = texUnit->Enabled & ~TEXTURE0_3D; |
| if (state) |
| newenabled |= TEXTURE0_3D; |
| if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->Enabled = newenabled; |
| break; |
| } |
| case GL_TEXTURE_GEN_Q: { |
| GLuint unit = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| GLuint newenabled = texUnit->TexGenEnabled & ~Q_BIT; |
| if (state) |
| newenabled |= Q_BIT; |
| if (texUnit->TexGenEnabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->TexGenEnabled = newenabled; |
| break; |
| } |
| case GL_TEXTURE_GEN_R: { |
| GLuint unit = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| GLuint newenabled = texUnit->TexGenEnabled & ~R_BIT; |
| if (state) |
| newenabled |= R_BIT; |
| if (texUnit->TexGenEnabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->TexGenEnabled = newenabled; |
| break; |
| } |
| break; |
| case GL_TEXTURE_GEN_S: { |
| GLuint unit = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| GLuint newenabled = texUnit->TexGenEnabled & ~S_BIT; |
| if (state) |
| newenabled |= S_BIT; |
| if (texUnit->TexGenEnabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->TexGenEnabled = newenabled; |
| break; |
| } |
| break; |
| case GL_TEXTURE_GEN_T: { |
| GLuint unit = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT; |
| if (state) |
| newenabled |= T_BIT; |
| if (texUnit->TexGenEnabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->TexGenEnabled = newenabled; |
| break; |
| } |
| break; |
| |
| /* |
| * CLIENT STATE!!! |
| */ |
| case GL_VERTEX_ARRAY: |
| case GL_NORMAL_ARRAY: |
| case GL_COLOR_ARRAY: |
| case GL_INDEX_ARRAY: |
| case GL_TEXTURE_COORD_ARRAY: |
| case GL_EDGE_FLAG_ARRAY: |
| case GL_FOG_COORDINATE_ARRAY_EXT: |
| case GL_SECONDARY_COLOR_ARRAY_EXT: |
| client_state( ctx, cap, state ); |
| return; |
| |
| /* GL_HP_occlusion_test */ |
| case GL_OCCLUSION_TEST_HP: |
| if (!ctx->Extensions.HP_occlusion_test) { |
| gl_error( ctx, GL_INVALID_ENUM, state ? "glEnable": "glDisable" ); |
| return; |
| } |
| if (ctx->Depth.OcclusionTest == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_DEPTH); |
| ctx->Depth.OcclusionTest = state; |
| if (state) |
| ctx->OcclusionResult = ctx->OcclusionResultSaved; |
| else |
| ctx->OcclusionResultSaved = ctx->OcclusionResult; |
| break; |
| |
| /* GL_SGIS_pixel_texture */ |
| case GL_PIXEL_TEXTURE_SGIS: |
| if (!ctx->Extensions.SGIS_pixel_texture) { |
| gl_error( ctx, GL_INVALID_ENUM, state ? "glEnable": "glDisable" ); |
| return; |
| } |
| if (ctx->Pixel.PixelTextureEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.PixelTextureEnabled = state; |
| break; |
| |
| /* GL_SGIX_pixel_texture */ |
| case GL_PIXEL_TEX_GEN_SGIX: |
| if (!ctx->Extensions.SGIX_pixel_texture) { |
| gl_error( ctx, GL_INVALID_ENUM, state ? "glEnable": "glDisable" ); |
| return; |
| } |
| if (ctx->Pixel.PixelTextureEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.PixelTextureEnabled = state; |
| break; |
| |
| /* GL_SGI_color_table */ |
| case GL_COLOR_TABLE_SGI: |
| if (!ctx->Extensions.SGI_color_table) { |
| gl_error( ctx, GL_INVALID_ENUM, state ? "glEnable": "glDisable" ); |
| return; |
| } |
| if (ctx->Pixel.ColorTableEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.ColorTableEnabled = state; |
| break; |
| case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: |
| if (!ctx->Extensions.SGI_color_table) { |
| gl_error( ctx, GL_INVALID_ENUM, state ? "glEnable": "glDisable" ); |
| return; |
| } |
| if (ctx->Pixel.PostConvolutionColorTableEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.PostConvolutionColorTableEnabled = state; |
| break; |
| case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: |
| if (!ctx->Extensions.SGI_color_table) { |
| gl_error( ctx, GL_INVALID_ENUM, state ? "glEnable": "glDisable" ); |
| return; |
| } |
| if (ctx->Pixel.PostColorMatrixColorTableEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.PostColorMatrixColorTableEnabled = state; |
| break; |
| |
| /* GL_EXT_convolution */ |
| case GL_CONVOLUTION_1D: |
| if (!ctx->Extensions.EXT_convolution) { |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| if (ctx->Pixel.Convolution1DEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.Convolution1DEnabled = state; |
| break; |
| case GL_CONVOLUTION_2D: |
| if (!ctx->Extensions.EXT_convolution) { |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| if (ctx->Pixel.Convolution2DEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.Convolution2DEnabled = state; |
| break; |
| case GL_SEPARABLE_2D: |
| if (!ctx->Extensions.EXT_convolution) { |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| if (ctx->Pixel.Separable2DEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_PIXEL); |
| ctx->Pixel.Separable2DEnabled = state; |
| break; |
| |
| /* GL_ARB_texture_cube_map */ |
| case GL_TEXTURE_CUBE_MAP_ARB: { |
| const GLuint curr = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; |
| GLuint newenabled = texUnit->Enabled & ~TEXTURE0_CUBE; |
| if (state) |
| newenabled |= TEXTURE0_CUBE; |
| if (!ctx->Extensions.ARB_texture_cube_map) { |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
| texUnit->Enabled = newenabled; |
| break; |
| } |
| /* GL_EXT_secondary_color */ |
| case GL_COLOR_SUM_EXT: |
| if (!ctx->Extensions.EXT_secondary_color) { |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| if (ctx->Fog.ColorSumEnabled == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_FOG); |
| ctx->Fog.ColorSumEnabled = state; |
| ctx->_TriangleCaps ^= DD_SEPERATE_SPECULAR; |
| break; |
| |
| /* GL_MESA_sprite_point */ |
| case GL_SPRITE_POINT_MESA: |
| if (!ctx->Extensions.MESA_sprite_point) { |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| if (ctx->Point.SpriteMode == state) |
| return; |
| FLUSH_VERTICES(ctx, _NEW_POINT); |
| ctx->Point.SpriteMode = state; |
| break; |
| |
| default: |
| gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable"); |
| return; |
| } |
| |
| if (ctx->Driver.Enable) { |
| (*ctx->Driver.Enable)( ctx, cap, state ); |
| } |
| } |
| |
| |
| |
| |
| void |
| _mesa_Enable( GLenum cap ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| _mesa_set_enable( ctx, cap, GL_TRUE ); |
| } |
| |
| |
| |
| void |
| _mesa_Disable( GLenum cap ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| ASSERT_OUTSIDE_BEGIN_END(ctx); |
| |
| _mesa_set_enable( ctx, cap, GL_FALSE ); |
| } |
| |
| |
| |
| GLboolean |
| _mesa_IsEnabled( GLenum cap ) |
| { |
| GET_CURRENT_CONTEXT(ctx); |
| switch (cap) { |
| case GL_ALPHA_TEST: |
| return ctx->Color.AlphaEnabled; |
| case GL_AUTO_NORMAL: |
| return ctx->Eval.AutoNormal; |
| case GL_BLEND: |
| return ctx->Color.BlendEnabled; |
| case GL_CLIP_PLANE0: |
| case GL_CLIP_PLANE1: |
| case GL_CLIP_PLANE2: |
| case GL_CLIP_PLANE3: |
| case GL_CLIP_PLANE4: |
| case GL_CLIP_PLANE5: |
| return ctx->Transform.ClipEnabled[cap-GL_CLIP_PLANE0]; |
| case GL_COLOR_MATERIAL: |
| return ctx->Light.ColorMaterialEnabled; |
| case GL_CULL_FACE: |
| return ctx->Polygon.CullFlag; |
| case GL_DEPTH_TEST: |
| return ctx->Depth.Test; |
| case GL_DITHER: |
| return ctx->Color.DitherFlag; |
| case GL_FOG: |
| return ctx->Fog.Enabled; |
| case GL_HISTOGRAM: |
| if (ctx->Extensions.EXT_histogram) { |
| return ctx->Pixel.HistogramEnabled; |
| } |
| else { |
| gl_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); |
| return GL_FALSE; |
| } |
| case GL_LIGHTING: |
| return ctx->Light.Enabled; |
| case GL_LIGHT0: |
| case GL_LIGHT1: |
| case GL_LIGHT2: |
| case GL_LIGHT3: |
| case GL_LIGHT4: |
| case GL_LIGHT5: |
| case GL_LIGHT6: |
| case GL_LIGHT7: |
| return ctx->Light.Light[cap-GL_LIGHT0].Enabled; |
| case GL_LINE_SMOOTH: |
| return ctx->Line.SmoothFlag; |
| case GL_LINE_STIPPLE: |
| return ctx->Line.StippleFlag; |
| case GL_INDEX_LOGIC_OP: |
| return ctx->Color.IndexLogicOpEnabled; |
| case GL_COLOR_LOGIC_OP: |
| return ctx->Color.ColorLogicOpEnabled; |
| case GL_MAP1_COLOR_4: |
| return ctx->Eval.Map1Color4; |
| case GL_MAP1_INDEX: |
| return ctx->Eval.Map1Index; |
| case GL_MAP1_NORMAL: |
| return ctx->Eval.Map1Normal; |
| case GL_MAP1_TEXTURE_COORD_1: |
| return ctx->Eval.Map1TextureCoord1; |
| case GL_MAP1_TEXTURE_COORD_2: |
| return ctx->Eval.Map1TextureCoord2; |
| case GL_MAP1_TEXTURE_COORD_3: |
| return ctx->Eval.Map1TextureCoord3; |
| case GL_MAP1_TEXTURE_COORD_4: |
| return ctx->Eval.Map1TextureCoord4; |
| case GL_MAP1_VERTEX_3: |
| return ctx->Eval.Map1Vertex3; |
| case GL_MAP1_VERTEX_4: |
| return ctx->Eval.Map1Vertex4; |
| case GL_MAP2_COLOR_4: |
| return ctx->Eval.Map2Color4; |
| case GL_MAP2_INDEX: |
| return ctx->Eval.Map2Index; |
| case GL_MAP2_NORMAL: |
| return ctx->Eval.Map2Normal; |
| case GL_MAP2_TEXTURE_COORD_1: |
| return ctx->Eval.Map2TextureCoord1; |
| case GL_MAP2_TEXTURE_COORD_2: |
| return ctx->Eval.Map2TextureCoord2; |
| case GL_MAP2_TEXTURE_COORD_3: |
| return ctx->Eval.Map2TextureCoord3; |
| case GL_MAP2_TEXTURE_COORD_4: |
| return ctx->Eval.Map2TextureCoord4; |
| case GL_MAP2_VERTEX_3: |
| return ctx->Eval.Map2Vertex3; |
| case GL_MAP2_VERTEX_4: |
| return ctx->Eval.Map2Vertex4; |
| case GL_MINMAX: |
| return ctx->Pixel.MinMaxEnabled; |
| case GL_NORMALIZE: |
| return ctx->Transform.Normalize; |
| case GL_POINT_SMOOTH: |
| return ctx->Point.SmoothFlag; |
| case GL_POLYGON_SMOOTH: |
| return ctx->Polygon.SmoothFlag; |
| case GL_POLYGON_STIPPLE: |
| return ctx->Polygon.StippleFlag; |
| case GL_POLYGON_OFFSET_POINT: |
| return ctx->Polygon.OffsetPoint; |
| case GL_POLYGON_OFFSET_LINE: |
| return ctx->Polygon.OffsetLine; |
| case GL_POLYGON_OFFSET_FILL: |
| /*case GL_POLYGON_OFFSET_EXT:*/ |
| return ctx->Polygon.OffsetFill; |
| case GL_RESCALE_NORMAL_EXT: |
| return ctx->Transform.RescaleNormals; |
| case GL_SCISSOR_TEST: |
| return ctx->Scissor.Enabled; |
| case GL_SHARED_TEXTURE_PALETTE_EXT: |
| return ctx->Texture.SharedPalette; |
| case GL_STENCIL_TEST: |
| return ctx->Stencil.Enabled; |
| case GL_TEXTURE_1D: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->Enabled & TEXTURE0_1D) ? GL_TRUE : GL_FALSE; |
| } |
| case GL_TEXTURE_2D: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->Enabled & TEXTURE0_2D) ? GL_TRUE : GL_FALSE; |
| } |
| case GL_TEXTURE_3D: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->Enabled & TEXTURE0_3D) ? GL_TRUE : GL_FALSE; |
| } |
| case GL_TEXTURE_GEN_Q: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; |
| } |
| case GL_TEXTURE_GEN_R: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; |
| } |
| case GL_TEXTURE_GEN_S: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; |
| } |
| case GL_TEXTURE_GEN_T: |
| { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; |
| } |
| |
| /* |
| * CLIENT STATE!!! |
| */ |
| case GL_VERTEX_ARRAY: |
| return ctx->Array.Vertex.Enabled; |
| case GL_NORMAL_ARRAY: |
| return ctx->Array.Normal.Enabled; |
| case GL_COLOR_ARRAY: |
| return ctx->Array.Color.Enabled; |
| case GL_INDEX_ARRAY: |
| return ctx->Array.Index.Enabled; |
| case GL_TEXTURE_COORD_ARRAY: |
| return ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled; |
| case GL_EDGE_FLAG_ARRAY: |
| return ctx->Array.EdgeFlag.Enabled; |
| |
| /* GL_HP_occlusion_test */ |
| case GL_OCCLUSION_TEST_HP: |
| if (ctx->Extensions.HP_occlusion_test) { |
| return ctx->Depth.OcclusionTest; |
| } |
| else { |
| gl_error( ctx, GL_INVALID_ENUM, "glIsEnabled" ); |
| return GL_FALSE; |
| } |
| |
| /* GL_SGIS_pixel_texture */ |
| case GL_PIXEL_TEXTURE_SGIS: |
| return ctx->Pixel.PixelTextureEnabled; |
| |
| /* GL_SGIX_pixel_texture */ |
| case GL_PIXEL_TEX_GEN_SGIX: |
| return ctx->Pixel.PixelTextureEnabled; |
| |
| /* GL_SGI_color_table */ |
| case GL_COLOR_TABLE_SGI: |
| return ctx->Pixel.ColorTableEnabled; |
| case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: |
| return ctx->Pixel.PostConvolutionColorTableEnabled; |
| case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: |
| return ctx->Pixel.PostColorMatrixColorTableEnabled; |
| |
| /* GL_EXT_convolution */ |
| case GL_CONVOLUTION_1D: |
| return ctx->Pixel.Convolution1DEnabled; |
| case GL_CONVOLUTION_2D: |
| return ctx->Pixel.Convolution2DEnabled; |
| case GL_SEPARABLE_2D: |
| return ctx->Pixel.Separable2DEnabled; |
| |
| /* GL_ARB_texture_cube_map */ |
| case GL_TEXTURE_CUBE_MAP_ARB: |
| if (ctx->Extensions.ARB_texture_cube_map) { |
| const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; |
| return (texUnit->Enabled & TEXTURE0_CUBE) ? GL_TRUE : GL_FALSE; |
| } |
| else { |
| gl_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); |
| return GL_FALSE; |
| } |
| |
| /* GL_MESA_sprite_point */ |
| case GL_SPRITE_POINT_MESA: |
| return ctx->Point.SpriteMode; |
| |
| default: |
| gl_error( ctx, GL_INVALID_ENUM, "glIsEnabled" ); |
| return GL_FALSE; |
| } |
| } |
| |
| |
| |
| |
| |
| |
| |