diff options
Diffstat (limited to 'src/mesa/main/enable.c')
| -rw-r--r-- | src/mesa/main/enable.c | 1426 |
1 files changed, 1426 insertions, 0 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c new file mode 100644 index 00000000000..af54fea30bb --- /dev/null +++ b/src/mesa/main/enable.c @@ -0,0 +1,1426 @@ +/** + * \file enable.c + * Enable/disable/query GL capabilities. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 1999-2005 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. + */ + + +#include "glheader.h" +#include "context.h" +#include "enable.h" +#include "light.h" +#include "macros.h" +#include "simple_list.h" +#include "mtypes.h" +#include "enums.h" +#include "math/m_matrix.h" +#include "math/m_xform.h" + + + +#define CHECK_EXTENSION(EXTNAME, CAP) \ + if (!ctx->Extensions.EXTNAME) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \ + state ? "Enable" : "Disable", CAP); \ + return; \ + } + + +static void +client_state( GLcontext *ctx, GLenum cap, GLboolean state ) +{ + GLuint flag; + GLuint *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_COLOR0; + 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_COLOR1; + break; + +#if FEATURE_NV_vertex_program + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION(NV_vertex_program, cap); + { + GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV; + var = &ctx->Array.VertexAttrib[n].Enabled; + flag = _NEW_ARRAY_ATTRIB(n); + } + break; +#endif /* FEATURE_NV_vertex_program */ + + default: + _mesa_error( ctx, GL_INVALID_ENUM, + "glEnable/DisableClientState(0x%x)", cap); + return; + } + + if (*var == state) + 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 ); + } +} + + +/** + * Enable GL capability. + * + * \param cap capability. + * + * \sa glEnable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls client_state(). + */ +void GLAPIENTRY +_mesa_EnableClientState( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + client_state( ctx, cap, GL_TRUE ); +} + + +/** + * Disable GL capability. + * + * \param cap capability. + * + * \sa glDisable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls client_state(). + */ +void GLAPIENTRY +_mesa_DisableClientState( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + client_state( ctx, cap, GL_FALSE ); +} + + +#undef CHECK_EXTENSION +#define CHECK_EXTENSION(EXTNAME, CAP) \ + if (!ctx->Extensions.EXTNAME) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \ + state ? "Enable" : "Disable", CAP); \ + return; \ + } + +#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \ + if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \ + state ? "Enable" : "Disable", CAP); \ + return; \ + } + + + +/** + * Perform glEnable() and glDisable() calls. + * + * \param ctx GL context. + * \param cap capability. + * \param state whether to enable or disable the specified capability. + * + * Updates the current context and flushes the vertices as needed. For + * capabilities associated with extensions it verifies that those extensions + * are effectivly present before updating. Notifies the driver via + * dd_function_table::Enable. + */ +void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state ) +{ + if (MESA_VERBOSE & VERBOSE_API) + _mesa_debug(ctx, "%s %s (newstate is %x)\n", + state ? "glEnable" : "glDisable", + _mesa_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; + /* This is needed to support 1.1's RGB logic ops AND + * 1.0's blending logicops. + */ + ctx->Color._LogicOpEnabled = + (ctx->Color.ColorLogicOpEnabled || + (state && ctx->Color.BlendEquationRGB == GL_LOGIC_OP)); + break; +#if FEATURE_userclip + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + { + const GLuint p = cap - GL_CLIP_PLANE0; + + if ((ctx->Transform.ClipPlanesEnabled & (1 << p)) == ((GLuint) state << p)) + return; + + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + + if (state) { + ctx->Transform.ClipPlanesEnabled |= (1 << p); + + if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top)) + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + + /* This derived state also calculated in clip.c and + * from _mesa_update_state() on changes to EyeUserPlane + * and ctx->ProjectionMatrix respectively. + */ + _mesa_transform_vector( ctx->Transform._ClipUserPlane[p], + ctx->Transform.EyeUserPlane[p], + ctx->ProjectionMatrixStack.Top->inv ); + } + else { + ctx->Transform.ClipPlanesEnabled &= ~(1 << p); + } + } + break; +#endif + case GL_COLOR_MATERIAL: + if (ctx->Light.ColorMaterialEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_LIGHT); + FLUSH_CURRENT(ctx, 0); + ctx->Light.ColorMaterialEnabled = state; + if (state) { + _mesa_update_color_material( ctx, + ctx->Current.Attrib[VERT_ATTRIB_COLOR0] ); + } + break; + case GL_CULL_FACE: + if (ctx->Polygon.CullFlag == state) + return; + FLUSH_VERTICES(ctx, _NEW_POLYGON); + ctx->Polygon.CullFlag = state; + break; + + case GL_CULL_VERTEX_EXT: + CHECK_EXTENSION(EXT_cull_vertex, cap); + if (ctx->Transform.CullVertexFlag == state) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.CullVertexFlag = state; + break; + + case GL_DEPTH_TEST: + if (state && ctx->DrawBuffer->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; + break; + case GL_HISTOGRAM: + CHECK_EXTENSION(EXT_histogram, cap); + 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; + + if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) + ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE; + else + ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE; + + 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; + /* This is needed to support 1.1's RGB logic ops AND + * 1.0's blending logicops. + */ + ctx->Color._LogicOpEnabled = + (state || (ctx->Color.BlendEnabled && + ctx->Color.BlendEquationRGB == GL_LOGIC_OP)); + 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; + 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; + 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->DrawBuffer->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; + break; + case GL_TEXTURE_1D: { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_1D_BIT; + if (state) + newenabled |= TEXTURE_1D_BIT; + if (!ctx->DrawBuffer->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 & ~TEXTURE_2D_BIT; + if (state) + newenabled |= TEXTURE_2D_BIT; + if (!ctx->DrawBuffer->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 & ~TEXTURE_3D_BIT; + if (state) + newenabled |= TEXTURE_3D_BIT; + if (!ctx->DrawBuffer->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; + } + 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; + } + 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; + } + + /* + * 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_SGI_color_table */ + case GL_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table, cap); + if (ctx->Pixel.ColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.ColorTableEnabled = state; + break; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table, cap); + if (ctx->Pixel.PostConvolutionColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostConvolutionColorTableEnabled = state; + break; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table, cap); + if (ctx->Pixel.PostColorMatrixColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.PostColorMatrixColorTableEnabled = state; + break; + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_texture_color_table, cap); + if (ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled = state; + break; + + /* GL_EXT_convolution */ + case GL_CONVOLUTION_1D: + CHECK_EXTENSION(EXT_convolution, cap); + if (ctx->Pixel.Convolution1DEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.Convolution1DEnabled = state; + break; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION(EXT_convolution, cap); + if (ctx->Pixel.Convolution2DEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PIXEL); + ctx->Pixel.Convolution2DEnabled = state; + break; + case GL_SEPARABLE_2D: + CHECK_EXTENSION(EXT_convolution, cap); + 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 & ~TEXTURE_CUBE_BIT; + CHECK_EXTENSION(ARB_texture_cube_map, cap); + if (state) + newenabled |= TEXTURE_CUBE_BIT; + if (!ctx->DrawBuffer->Visual.rgbMode + || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + } + break; + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program, cap); + if (ctx->Fog.ColorSumEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_FOG); + ctx->Fog.ColorSumEnabled = state; + break; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.Enabled = state; + break; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleAlphaToCoverage == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleAlphaToCoverage = state; + break; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleAlphaToOne == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleAlphaToOne = state; + break; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleCoverage == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleCoverage = state; + break; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION(ARB_multisample, cap); + if (ctx->Multisample.SampleCoverageInvert == state) + return; + FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); + ctx->Multisample.SampleCoverageInvert = state; + break; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION(IBM_rasterpos_clip, cap); + if (ctx->Transform.RasterPositionUnclipped == state) + return; + FLUSH_VERTICES(ctx, _NEW_TRANSFORM); + ctx->Transform.RasterPositionUnclipped = state; + break; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite, cap); + if (ctx->Point.PointSprite == state) + return; + FLUSH_VERTICES(ctx, _NEW_POINT); + ctx->Point.PointSprite = state; + break; + +#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program + case GL_VERTEX_PROGRAM_ARB: + CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap); + if (ctx->VertexProgram.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->VertexProgram.Enabled = state; + break; + case GL_VERTEX_PROGRAM_POINT_SIZE_ARB: + CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap); + if (ctx->VertexProgram.PointSizeEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->VertexProgram.PointSizeEnabled = state; + break; + case GL_VERTEX_PROGRAM_TWO_SIDE_ARB: + CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap); + if (ctx->VertexProgram.TwoSideEnabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->VertexProgram.TwoSideEnabled = state; + break; +#endif +#if FEATURE_NV_vertex_program + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program, cap); + { + const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV); + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map1Attrib[map] = state; + } + break; + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program, cap); + { + const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV); + FLUSH_VERTICES(ctx, _NEW_EVAL); + ctx->Eval.Map2Attrib[map] = state; + } + break; +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION(NV_fragment_program, cap); + if (ctx->FragmentProgram.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->FragmentProgram.Enabled = state; + break; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION(NV_texture_rectangle, cap); + { + const GLuint curr = ctx->Texture.CurrentUnit; + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + GLuint newenabled = texUnit->Enabled & ~TEXTURE_RECT_BIT; + CHECK_EXTENSION(NV_texture_rectangle, cap); + if (state) + newenabled |= TEXTURE_RECT_BIT; + if (!ctx->DrawBuffer->Visual.rgbMode + || texUnit->Enabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->Enabled = newenabled; + } + break; + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION(EXT_stencil_two_side, cap); + if (ctx->Stencil.TestTwoSide == state) + return; + FLUSH_VERTICES(ctx, _NEW_STENCIL); + ctx->Stencil.TestTwoSide = state; + if (state) { + ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL; + } else { + ctx->_TriangleCaps &= ~DD_TRI_TWOSTENCIL; + } + break; + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + CHECK_EXTENSION(ARB_fragment_program, cap); + if (ctx->FragmentProgram.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->FragmentProgram.Enabled = state; + break; +#endif /* FEATURE_ARB_fragment_program */ + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION(EXT_depth_bounds_test, cap); + if (state && ctx->DrawBuffer->Visual.depthBits == 0) { + _mesa_warning(ctx, + "glEnable(GL_DEPTH_BOUNDS_TEST_EXT) but no depth buffer"); + return; + } + if (ctx->Depth.BoundsTest == state) + return; + FLUSH_VERTICES(ctx, _NEW_DEPTH); + ctx->Depth.BoundsTest = state; + break; + + /* GL_MESA_program_debug */ + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug, cap); + ctx->FragmentProgram.CallbackEnabled = state; + break; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug, cap); + ctx->VertexProgram.CallbackEnabled = state; + break; + +#if FEATURE_ATI_fragment_shader + case GL_FRAGMENT_SHADER_ATI: + CHECK_EXTENSION(ATI_fragment_shader, cap); + if (ctx->ATIFragmentShader.Enabled == state) + return; + FLUSH_VERTICES(ctx, _NEW_PROGRAM); + ctx->ATIFragmentShader.Enabled = state; + break; +#endif + default: + _mesa_error(ctx, GL_INVALID_ENUM, + "%s(0x%x)", state ? "glEnable" : "glDisable", cap); + return; + } + + if (ctx->Driver.Enable) { + (*ctx->Driver.Enable)( ctx, cap, state ); + } +} + + +/** + * Enable GL capability. + * + * \param cap capability. + * + * \sa glEnable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls _mesa_set_enable(). + */ +void GLAPIENTRY +_mesa_Enable( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + _mesa_set_enable( ctx, cap, GL_TRUE ); +} + + +/** + * Disable GL capability. + * + * \param cap capability. + * + * \sa glDisable(). + * + * Get's the current context, assures that we're outside glBegin()/glEnd() and + * calls _mesa_set_enable(). + */ +void GLAPIENTRY +_mesa_Disable( GLenum cap ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + + _mesa_set_enable( ctx, cap, GL_FALSE ); +} + + +#undef CHECK_EXTENSION +#define CHECK_EXTENSION(EXTNAME) \ + if (!ctx->Extensions.EXTNAME) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \ + return GL_FALSE; \ + } + +#undef CHECK_EXTENSION2 +#define CHECK_EXTENSION2(EXT1, EXT2) \ + if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \ + _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \ + return GL_FALSE; \ + } + +/** + * Test whether a capability is enabled. + * + * \param cap capability. + * + * Returns the state of the specified capability from the current GL context. + * For the capabilities associated with extensions verifies that those + * extensions are effectively present before reporting. + */ +GLboolean GLAPIENTRY +_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.ClipPlanesEnabled >> (cap - GL_CLIP_PLANE0)) & 1; + 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_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_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; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_2D: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_3D: + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_Q: + { + const struct gl_texture_unit *texUnit; + 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; + 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; + 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; + 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 != 0); + case GL_NORMAL_ARRAY: + return (ctx->Array.Normal.Enabled != 0); + case GL_COLOR_ARRAY: + return (ctx->Array.Color.Enabled != 0); + case GL_INDEX_ARRAY: + return (ctx->Array.Index.Enabled != 0); + case GL_TEXTURE_COORD_ARRAY: + return (ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled != 0); + case GL_EDGE_FLAG_ARRAY: + return (ctx->Array.EdgeFlag.Enabled != 0); + case GL_FOG_COORDINATE_ARRAY_EXT: + CHECK_EXTENSION(EXT_fog_coord); + return (ctx->Array.FogCoord.Enabled != 0); + case GL_SECONDARY_COLOR_ARRAY_EXT: + CHECK_EXTENSION(EXT_secondary_color); + return (ctx->Array.SecondaryColor.Enabled != 0); + + /* GL_EXT_histogram */ + case GL_HISTOGRAM: + CHECK_EXTENSION(EXT_histogram); + return ctx->Pixel.HistogramEnabled; + case GL_MINMAX: + CHECK_EXTENSION(EXT_histogram); + return ctx->Pixel.MinMaxEnabled; + + /* GL_SGI_color_table */ + case GL_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table); + return ctx->Pixel.ColorTableEnabled; + case GL_POST_CONVOLUTION_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table); + return ctx->Pixel.PostConvolutionColorTableEnabled; + case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_color_table); + return ctx->Pixel.PostColorMatrixColorTableEnabled; + + /* GL_SGI_texture_color_table */ + case GL_TEXTURE_COLOR_TABLE_SGI: + CHECK_EXTENSION(SGI_texture_color_table); + return ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled; + + /* GL_EXT_convolution */ + case GL_CONVOLUTION_1D: + CHECK_EXTENSION(EXT_convolution); + return ctx->Pixel.Convolution1DEnabled; + case GL_CONVOLUTION_2D: + CHECK_EXTENSION(EXT_convolution); + return ctx->Pixel.Convolution2DEnabled; + case GL_SEPARABLE_2D: + CHECK_EXTENSION(EXT_convolution); + return ctx->Pixel.Separable2DEnabled; + + /* GL_ARB_texture_cube_map */ + case GL_TEXTURE_CUBE_MAP_ARB: + CHECK_EXTENSION(ARB_texture_cube_map); + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE; + } + + /* GL_EXT_secondary_color */ + case GL_COLOR_SUM_EXT: + CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program); + return ctx->Fog.ColorSumEnabled; + + /* GL_ARB_multisample */ + case GL_MULTISAMPLE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.Enabled; + case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleAlphaToCoverage; + case GL_SAMPLE_ALPHA_TO_ONE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleAlphaToOne; + case GL_SAMPLE_COVERAGE_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleCoverage; + case GL_SAMPLE_COVERAGE_INVERT_ARB: + CHECK_EXTENSION(ARB_multisample); + return ctx->Multisample.SampleCoverageInvert; + + /* GL_IBM_rasterpos_clip */ + case GL_RASTER_POSITION_UNCLIPPED_IBM: + CHECK_EXTENSION(IBM_rasterpos_clip); + return ctx->Transform.RasterPositionUnclipped; + + /* GL_NV_point_sprite */ + case GL_POINT_SPRITE_NV: + CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite) + return ctx->Point.PointSprite; + +#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program + case GL_VERTEX_PROGRAM_ARB: + CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program); + return ctx->VertexProgram.Enabled; + case GL_VERTEX_PROGRAM_POINT_SIZE_ARB: + CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program); + return ctx->VertexProgram.PointSizeEnabled; + case GL_VERTEX_PROGRAM_TWO_SIDE_ARB: + CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program); + return ctx->VertexProgram.TwoSideEnabled; +#endif +#if FEATURE_NV_vertex_program + case GL_VERTEX_ATTRIB_ARRAY0_NV: + case GL_VERTEX_ATTRIB_ARRAY1_NV: + case GL_VERTEX_ATTRIB_ARRAY2_NV: + case GL_VERTEX_ATTRIB_ARRAY3_NV: + case GL_VERTEX_ATTRIB_ARRAY4_NV: + case GL_VERTEX_ATTRIB_ARRAY5_NV: + case GL_VERTEX_ATTRIB_ARRAY6_NV: + case GL_VERTEX_ATTRIB_ARRAY7_NV: + case GL_VERTEX_ATTRIB_ARRAY8_NV: + case GL_VERTEX_ATTRIB_ARRAY9_NV: + case GL_VERTEX_ATTRIB_ARRAY10_NV: + case GL_VERTEX_ATTRIB_ARRAY11_NV: + case GL_VERTEX_ATTRIB_ARRAY12_NV: + case GL_VERTEX_ATTRIB_ARRAY13_NV: + case GL_VERTEX_ATTRIB_ARRAY14_NV: + case GL_VERTEX_ATTRIB_ARRAY15_NV: + CHECK_EXTENSION(NV_vertex_program); + { + GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV; + return (ctx->Array.VertexAttrib[n].Enabled != 0); + } + case GL_MAP1_VERTEX_ATTRIB0_4_NV: + case GL_MAP1_VERTEX_ATTRIB1_4_NV: + case GL_MAP1_VERTEX_ATTRIB2_4_NV: + case GL_MAP1_VERTEX_ATTRIB3_4_NV: + case GL_MAP1_VERTEX_ATTRIB4_4_NV: + case GL_MAP1_VERTEX_ATTRIB5_4_NV: + case GL_MAP1_VERTEX_ATTRIB6_4_NV: + case GL_MAP1_VERTEX_ATTRIB7_4_NV: + case GL_MAP1_VERTEX_ATTRIB8_4_NV: + case GL_MAP1_VERTEX_ATTRIB9_4_NV: + case GL_MAP1_VERTEX_ATTRIB10_4_NV: + case GL_MAP1_VERTEX_ATTRIB11_4_NV: + case GL_MAP1_VERTEX_ATTRIB12_4_NV: + case GL_MAP1_VERTEX_ATTRIB13_4_NV: + case GL_MAP1_VERTEX_ATTRIB14_4_NV: + case GL_MAP1_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program); + { + const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV); + return ctx->Eval.Map1Attrib[map]; + } + case GL_MAP2_VERTEX_ATTRIB0_4_NV: + case GL_MAP2_VERTEX_ATTRIB1_4_NV: + case GL_MAP2_VERTEX_ATTRIB2_4_NV: + case GL_MAP2_VERTEX_ATTRIB3_4_NV: + case GL_MAP2_VERTEX_ATTRIB4_4_NV: + case GL_MAP2_VERTEX_ATTRIB5_4_NV: + case GL_MAP2_VERTEX_ATTRIB6_4_NV: + case GL_MAP2_VERTEX_ATTRIB7_4_NV: + case GL_MAP2_VERTEX_ATTRIB8_4_NV: + case GL_MAP2_VERTEX_ATTRIB9_4_NV: + case GL_MAP2_VERTEX_ATTRIB10_4_NV: + case GL_MAP2_VERTEX_ATTRIB11_4_NV: + case GL_MAP2_VERTEX_ATTRIB12_4_NV: + case GL_MAP2_VERTEX_ATTRIB13_4_NV: + case GL_MAP2_VERTEX_ATTRIB14_4_NV: + case GL_MAP2_VERTEX_ATTRIB15_4_NV: + CHECK_EXTENSION(NV_vertex_program); + { + const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV); + return ctx->Eval.Map2Attrib[map]; + } +#endif /* FEATURE_NV_vertex_program */ + +#if FEATURE_NV_fragment_program + case GL_FRAGMENT_PROGRAM_NV: + CHECK_EXTENSION(NV_fragment_program); + return ctx->FragmentProgram.Enabled; +#endif /* FEATURE_NV_fragment_program */ + + /* GL_NV_texture_rectangle */ + case GL_TEXTURE_RECTANGLE_NV: + CHECK_EXTENSION(NV_texture_rectangle); + { + const struct gl_texture_unit *texUnit; + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE; + } + + /* GL_EXT_stencil_two_side */ + case GL_STENCIL_TEST_TWO_SIDE_EXT: + CHECK_EXTENSION(EXT_stencil_two_side); + return ctx->Stencil.TestTwoSide; + +#if FEATURE_ARB_fragment_program + case GL_FRAGMENT_PROGRAM_ARB: + return ctx->FragmentProgram.Enabled; +#endif /* FEATURE_ARB_fragment_program */ + + /* GL_EXT_depth_bounds_test */ + case GL_DEPTH_BOUNDS_TEST_EXT: + CHECK_EXTENSION(EXT_depth_bounds_test); + return ctx->Depth.BoundsTest; + + /* GL_MESA_program_debug */ + case GL_FRAGMENT_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug); + return ctx->FragmentProgram.CallbackEnabled; + case GL_VERTEX_PROGRAM_CALLBACK_MESA: + CHECK_EXTENSION(MESA_program_debug); + return ctx->VertexProgram.CallbackEnabled; +#if FEATURE_ATI_fragment_shader + case GL_FRAGMENT_SHADER_ATI: + CHECK_EXTENSION(ATI_fragment_shader); + return ctx->ATIFragmentShader.Enabled; +#endif /* FEATURE_ATI_fragment_shader */ + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap); + return GL_FALSE; + } +} |