diff options
Diffstat (limited to 'mesalib/src/mesa/main/enable.c')
| -rw-r--r-- | mesalib/src/mesa/main/enable.c | 2912 |
1 files changed, 1425 insertions, 1487 deletions
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c index f24709241..8df3ac1f6 100644 --- a/mesalib/src/mesa/main/enable.c +++ b/mesalib/src/mesa/main/enable.c @@ -1,1487 +1,1425 @@ -/** - * \file enable.c - * Enable/disable/query GL capabilities. - */ - -/* - * Mesa 3-D graphics library - * Version: 7.0.3 - * - * Copyright (C) 1999-2007 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 "simple_list.h" -#include "mfeatures.h" -#include "mtypes.h" -#include "enums.h" -#include "api_arrayelt.h" -#include "texstate.h" - - - -#define CHECK_EXTENSION(EXTNAME, CAP) \ - if (!ctx->Extensions.EXTNAME) { \ - goto invalid_enum_error; \ - } - - -/** - * Helper to enable/disable client-side state. - */ -static void -client_state(struct gl_context *ctx, GLenum cap, GLboolean state) -{ - struct gl_array_object *arrayObj = ctx->Array.ArrayObj; - GLuint flag; - GLboolean *var; - - switch (cap) { - case GL_VERTEX_ARRAY: - var = &arrayObj->Vertex.Enabled; - flag = _NEW_ARRAY_VERTEX; - break; - case GL_NORMAL_ARRAY: - var = &arrayObj->Normal.Enabled; - flag = _NEW_ARRAY_NORMAL; - break; - case GL_COLOR_ARRAY: - var = &arrayObj->Color.Enabled; - flag = _NEW_ARRAY_COLOR0; - break; - case GL_INDEX_ARRAY: - var = &arrayObj->Index.Enabled; - flag = _NEW_ARRAY_INDEX; - break; - case GL_TEXTURE_COORD_ARRAY: - var = &arrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled; - flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture); - break; - case GL_EDGE_FLAG_ARRAY: - var = &arrayObj->EdgeFlag.Enabled; - flag = _NEW_ARRAY_EDGEFLAG; - break; - case GL_FOG_COORDINATE_ARRAY_EXT: - var = &arrayObj->FogCoord.Enabled; - flag = _NEW_ARRAY_FOGCOORD; - break; - case GL_SECONDARY_COLOR_ARRAY_EXT: - var = &arrayObj->SecondaryColor.Enabled; - flag = _NEW_ARRAY_COLOR1; - break; - -#if FEATURE_point_size_array - case GL_POINT_SIZE_ARRAY_OES: - var = &arrayObj->PointSize.Enabled; - flag = _NEW_ARRAY_POINT_SIZE; - break; -#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, cap); - { - GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV; - ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib)); - var = &arrayObj->VertexAttrib[n].Enabled; - flag = _NEW_ARRAY_ATTRIB(n); - } - break; -#endif /* FEATURE_NV_vertex_program */ - - /* GL_NV_primitive_restart */ - case GL_PRIMITIVE_RESTART_NV: - if (!ctx->Extensions.NV_primitive_restart) { - goto invalid_enum_error; - } - var = &ctx->Array.PrimitiveRestart; - flag = 0; - break; - - default: - goto invalid_enum_error; - } - - if (*var == state) - return; - - FLUSH_VERTICES(ctx, _NEW_ARRAY); - ctx->Array.NewState |= flag; - - _ae_invalidate_state(ctx, _NEW_ARRAY); - - *var = state; - - if (state) - ctx->Array.ArrayObj->_Enabled |= flag; - else - ctx->Array.ArrayObj->_Enabled &= ~flag; - - if (ctx->Driver.Enable) { - ctx->Driver.Enable( ctx, cap, state ); - } - - return; - -invalid_enum_error: - _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", - state ? "Enable" : "Disable", cap); -} - - -/** - * Enable GL capability. - * \param cap state to enable/disable. - * - * 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 state to enable/disable. - * - * 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) { \ - goto invalid_enum_error; \ - } - -#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \ - if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \ - goto invalid_enum_error; \ - } - - - -/** - * Return pointer to current texture unit for setting/getting coordinate - * state. - * Note that we'll set GL_INVALID_OPERATION if the active texture unit is - * higher than the number of supported coordinate units. And we'll return NULL. - */ -static struct gl_texture_unit * -get_texcoord_unit(struct gl_context *ctx) -{ - if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glEnable/Disable(texcoord unit)"); - return NULL; - } - else { - return &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - } -} - - -/** - * Helper function to enable or disable a texture target. - * \param bit one of the TEXTURE_x_BIT values - * \return GL_TRUE if state is changing or GL_FALSE if no change - */ -static GLboolean -enable_texture(struct gl_context *ctx, GLboolean state, GLbitfield texBit) -{ - struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); - const GLbitfield newenabled = state - ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit); - - if (texUnit->Enabled == newenabled) - return GL_FALSE; - - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->Enabled = newenabled; - return GL_TRUE; -} - - -/** - * Helper function to enable or disable state. - * - * \param ctx GL context. - * \param cap the state to enable/disable - * \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(struct gl_context *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: - { - GLbitfield newEnabled = state * ((1 << ctx->Const.MaxDrawBuffers) - 1); - if (newEnabled != ctx->Color.BlendEnabled) { - FLUSH_VERTICES(ctx, _NEW_COLOR); - ctx->Color.BlendEnabled = newEnabled; - } - } - 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_DEPTH_TEST: - if (ctx->Depth.Test == state) - return; - FLUSH_VERTICES(ctx, _NEW_DEPTH); - ctx->Depth.Test = state; - break; - case GL_DITHER: - 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_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; - 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_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 (ctx->Stencil.Enabled == state) - return; - FLUSH_VERTICES(ctx, _NEW_STENCIL); - ctx->Stencil.Enabled = state; - break; - case GL_TEXTURE_1D: - if (!enable_texture(ctx, state, TEXTURE_1D_BIT)) { - return; - } - break; - case GL_TEXTURE_2D: - if (!enable_texture(ctx, state, TEXTURE_2D_BIT)) { - return; - } - break; - case GL_TEXTURE_3D: - if (!enable_texture(ctx, state, TEXTURE_3D_BIT)) { - return; - } - break; - case GL_TEXTURE_GEN_Q: - { - struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - 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: - { - struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - 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: - { - struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - 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: - { - struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - 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; - -#if FEATURE_ES1 - case GL_TEXTURE_GEN_STR_OES: - /* disable S, T, and R at the same time */ - { - struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - GLuint newenabled = - texUnit->TexGenEnabled & ~STR_BITS; - if (state) - newenabled |= STR_BITS; - if (texUnit->TexGenEnabled == newenabled) - return; - FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->TexGenEnabled = newenabled; - } - } - break; -#endif - - /* - * 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: - case GL_POINT_SIZE_ARRAY_OES: - client_state( ctx, cap, state ); - return; - - /* GL_ARB_texture_cube_map */ - case GL_TEXTURE_CUBE_MAP_ARB: - CHECK_EXTENSION(ARB_texture_cube_map, cap); - if (!enable_texture(ctx, state, TEXTURE_CUBE_BIT)) { - return; - } - 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: - if (ctx->Multisample.Enabled == state) - return; - FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); - ctx->Multisample.Enabled = state; - break; - case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: - if (ctx->Multisample.SampleAlphaToCoverage == state) - return; - FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); - ctx->Multisample.SampleAlphaToCoverage = state; - break; - case GL_SAMPLE_ALPHA_TO_ONE_ARB: - if (ctx->Multisample.SampleAlphaToOne == state) - return; - FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); - ctx->Multisample.SampleAlphaToOne = state; - break; - case GL_SAMPLE_COVERAGE_ARB: - if (ctx->Multisample.SampleCoverage == state) - return; - FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE); - ctx->Multisample.SampleCoverage = state; - break; - case GL_SAMPLE_COVERAGE_INVERT_ARB: - 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); - if (!enable_texture(ctx, state, TEXTURE_RECT_BIT)) { - return; - } - 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->Stencil._BackFace = 2; - ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL; - } else { - ctx->Stencil._BackFace = 1; - 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 (ctx->Depth.BoundsTest == state) - return; - FLUSH_VERTICES(ctx, _NEW_DEPTH); - ctx->Depth.BoundsTest = state; - break; - - case GL_DEPTH_CLAMP: - if (ctx->Transform.DepthClamp == state) - return; - CHECK_EXTENSION(ARB_depth_clamp, cap); - FLUSH_VERTICES(ctx, _NEW_TRANSFORM); - ctx->Transform.DepthClamp = 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 - - /* GL_MESA_texture_array */ - case GL_TEXTURE_1D_ARRAY_EXT: - CHECK_EXTENSION(MESA_texture_array, cap); - if (!enable_texture(ctx, state, TEXTURE_1D_ARRAY_BIT)) { - return; - } - break; - - case GL_TEXTURE_2D_ARRAY_EXT: - CHECK_EXTENSION(MESA_texture_array, cap); - if (!enable_texture(ctx, state, TEXTURE_2D_ARRAY_BIT)) { - return; - } - break; - - case GL_TEXTURE_CUBE_MAP_SEAMLESS: - CHECK_EXTENSION(ARB_seamless_cube_map, cap); - ctx->Texture.CubeMapSeamless = state; - break; - -#if FEATURE_EXT_transform_feedback - case GL_RASTERIZER_DISCARD: - CHECK_EXTENSION(EXT_transform_feedback, cap); - if (ctx->TransformFeedback.RasterDiscard != state) { - ctx->TransformFeedback.RasterDiscard = state; - FLUSH_VERTICES(ctx, _NEW_TRANSFORM); - } - break; -#endif - - /* GL 3.1 primitive restart. Note: this enum is different from - * GL_PRIMITIVE_RESTART_NV (which is client state). - */ - case GL_PRIMITIVE_RESTART: - if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) { - goto invalid_enum_error; - } - if (ctx->Array.PrimitiveRestart != state) { - FLUSH_VERTICES(ctx, _NEW_TRANSFORM); - ctx->Array.PrimitiveRestart = state; - } - break; - - /* GL3.0 - GL_framebuffer_sRGB */ - case GL_FRAMEBUFFER_SRGB_EXT: - CHECK_EXTENSION(EXT_framebuffer_sRGB, cap); - FLUSH_VERTICES(ctx, _NEW_BUFFERS); - ctx->Color.sRGBEnabled = state; - break; - - default: - goto invalid_enum_error; - } - - if (ctx->Driver.Enable) { - ctx->Driver.Enable( ctx, cap, state ); - } - - return; - -invalid_enum_error: - _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", - state ? "Enable" : "Disable", cap); -} - - -/** - * Enable GL capability. Called by glEnable() - * \param cap state to 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. Called by glDisable() - * \param cap state to disable. - */ -void GLAPIENTRY -_mesa_Disable( GLenum cap ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - _mesa_set_enable( ctx, cap, GL_FALSE ); -} - - - -/** - * Enable/disable an indexed state var. - */ -void -_mesa_set_enablei(struct gl_context *ctx, GLenum cap, GLuint index, GLboolean state) -{ - ASSERT(state == 0 || state == 1); - switch (cap) { - case GL_BLEND: - if (!ctx->Extensions.EXT_draw_buffers2) { - goto invalid_enum_error; - } - if (index >= ctx->Const.MaxDrawBuffers) { - _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", - state ? "glEnableIndexed" : "glDisableIndexed", index); - return; - } - if (((ctx->Color.BlendEnabled >> index) & 1) != state) { - FLUSH_VERTICES(ctx, _NEW_COLOR); - if (state) - ctx->Color.BlendEnabled |= (1 << index); - else - ctx->Color.BlendEnabled &= ~(1 << index); - } - break; - default: - goto invalid_enum_error; - } - return; - -invalid_enum_error: - _mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)", - state ? "glEnablei" : "glDisablei", - _mesa_lookup_enum_by_nr(cap)); -} - - -void GLAPIENTRY -_mesa_DisableIndexed( GLenum cap, GLuint index ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - _mesa_set_enablei(ctx, cap, index, GL_FALSE); -} - - -void GLAPIENTRY -_mesa_EnableIndexed( GLenum cap, GLuint index ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - _mesa_set_enablei(ctx, cap, index, GL_TRUE); -} - - -GLboolean GLAPIENTRY -_mesa_IsEnabledIndexed( GLenum cap, GLuint index ) -{ - GET_CURRENT_CONTEXT(ctx); - switch (cap) { - case GL_BLEND: - if (index >= ctx->Const.MaxDrawBuffers) { - _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)", - index); - return GL_FALSE; - } - return (ctx->Color.BlendEnabled >> index) & 1; - default: - _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)", - _mesa_lookup_enum_by_nr(cap)); - return GL_FALSE; - } -} - - - - -#undef CHECK_EXTENSION -#define CHECK_EXTENSION(EXTNAME) \ - if (!ctx->Extensions.EXTNAME) { \ - goto invalid_enum_error; \ - } - -#undef CHECK_EXTENSION2 -#define CHECK_EXTENSION2(EXT1, EXT2) \ - if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \ - goto invalid_enum_error; \ - } - - -/** - * Helper function to determine whether a texture target is enabled. - */ -static GLboolean -is_texture_enabled(struct gl_context *ctx, GLbitfield bit) -{ - const struct gl_texture_unit *const texUnit = - &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; - return (texUnit->Enabled & bit) ? GL_TRUE : GL_FALSE; -} - - -/** - * Return simple enable/disable state. - * - * \param cap state variable to query. - * - * 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 & 1; /* return state for buffer[0] */ - 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: - return is_texture_enabled(ctx, TEXTURE_1D_BIT); - case GL_TEXTURE_2D: - return is_texture_enabled(ctx, TEXTURE_2D_BIT); - case GL_TEXTURE_3D: - return is_texture_enabled(ctx, TEXTURE_3D_BIT); - case GL_TEXTURE_GEN_Q: - { - const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; - } - } - return GL_FALSE; - case GL_TEXTURE_GEN_R: - { - const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; - } - } - return GL_FALSE; - case GL_TEXTURE_GEN_S: - { - const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; - } - } - return GL_FALSE; - case GL_TEXTURE_GEN_T: - { - const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; - } - } - return GL_FALSE; -#if FEATURE_ES1 - case GL_TEXTURE_GEN_STR_OES: - { - const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); - if (texUnit) { - return (texUnit->TexGenEnabled & STR_BITS) == STR_BITS ? GL_TRUE : GL_FALSE; - } - } -#endif - - /* - * CLIENT STATE!!! - */ - case GL_VERTEX_ARRAY: - return (ctx->Array.ArrayObj->Vertex.Enabled != 0); - case GL_NORMAL_ARRAY: - return (ctx->Array.ArrayObj->Normal.Enabled != 0); - case GL_COLOR_ARRAY: - return (ctx->Array.ArrayObj->Color.Enabled != 0); - case GL_INDEX_ARRAY: - return (ctx->Array.ArrayObj->Index.Enabled != 0); - case GL_TEXTURE_COORD_ARRAY: - return (ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled != 0); - case GL_EDGE_FLAG_ARRAY: - return (ctx->Array.ArrayObj->EdgeFlag.Enabled != 0); - case GL_FOG_COORDINATE_ARRAY_EXT: - CHECK_EXTENSION(EXT_fog_coord); - return (ctx->Array.ArrayObj->FogCoord.Enabled != 0); - case GL_SECONDARY_COLOR_ARRAY_EXT: - CHECK_EXTENSION(EXT_secondary_color); - return (ctx->Array.ArrayObj->SecondaryColor.Enabled != 0); -#if FEATURE_point_size_array - case GL_POINT_SIZE_ARRAY_OES: - return (ctx->Array.ArrayObj->PointSize.Enabled != 0); -#endif - - /* GL_ARB_texture_cube_map */ - case GL_TEXTURE_CUBE_MAP_ARB: - CHECK_EXTENSION(ARB_texture_cube_map); - return is_texture_enabled(ctx, TEXTURE_CUBE_BIT); - - /* 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: - return ctx->Multisample.Enabled; - case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB: - return ctx->Multisample.SampleAlphaToCoverage; - case GL_SAMPLE_ALPHA_TO_ONE_ARB: - return ctx->Multisample.SampleAlphaToOne; - case GL_SAMPLE_COVERAGE_ARB: - return ctx->Multisample.SampleCoverage; - case GL_SAMPLE_COVERAGE_INVERT_ARB: - 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; - ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib)); - return (ctx->Array.ArrayObj->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); - return is_texture_enabled(ctx, TEXTURE_RECT_BIT); - - /* 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_ARB_depth_clamp */ - case GL_DEPTH_CLAMP: - CHECK_EXTENSION(ARB_depth_clamp); - return ctx->Transform.DepthClamp; - -#if FEATURE_ATI_fragment_shader - case GL_FRAGMENT_SHADER_ATI: - CHECK_EXTENSION(ATI_fragment_shader); - return ctx->ATIFragmentShader.Enabled; -#endif /* FEATURE_ATI_fragment_shader */ - - case GL_TEXTURE_CUBE_MAP_SEAMLESS: - CHECK_EXTENSION(ARB_seamless_cube_map); - return ctx->Texture.CubeMapSeamless; - -#if FEATURE_EXT_transform_feedback - case GL_RASTERIZER_DISCARD: - CHECK_EXTENSION(EXT_transform_feedback); - return ctx->TransformFeedback.RasterDiscard; -#endif - - /* GL_NV_primitive_restart */ - case GL_PRIMITIVE_RESTART_NV: - if (!ctx->Extensions.NV_primitive_restart) { - goto invalid_enum_error; - } - return ctx->Array.PrimitiveRestart; - - /* GL 3.1 primitive restart */ - case GL_PRIMITIVE_RESTART: - if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) { - goto invalid_enum_error; - } - return ctx->Array.PrimitiveRestart; - - /* GL3.0 - GL_framebuffer_sRGB */ - case GL_FRAMEBUFFER_SRGB_EXT: - CHECK_EXTENSION(EXT_framebuffer_sRGB); - return ctx->Color.sRGBEnabled; - - default: - goto invalid_enum_error; - } - - return GL_FALSE; - -invalid_enum_error: - _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap); - return GL_FALSE; -} +/**
+ * \file enable.c
+ * Enable/disable/query GL capabilities.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.0.3
+ *
+ * Copyright (C) 1999-2007 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 "clip.h"
+#include "context.h"
+#include "enable.h"
+#include "light.h"
+#include "simple_list.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "enums.h"
+#include "api_arrayelt.h"
+#include "texstate.h"
+
+
+
+#define CHECK_EXTENSION(EXTNAME, CAP) \
+ if (!ctx->Extensions.EXTNAME) { \
+ goto invalid_enum_error; \
+ }
+
+
+/**
+ * Helper to enable/disable client-side state.
+ */
+static void
+client_state(struct gl_context *ctx, GLenum cap, GLboolean state)
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ GLuint flag;
+ GLboolean *var;
+
+ switch (cap) {
+ case GL_VERTEX_ARRAY:
+ var = &arrayObj->Vertex.Enabled;
+ flag = _NEW_ARRAY_VERTEX;
+ break;
+ case GL_NORMAL_ARRAY:
+ var = &arrayObj->Normal.Enabled;
+ flag = _NEW_ARRAY_NORMAL;
+ break;
+ case GL_COLOR_ARRAY:
+ var = &arrayObj->Color.Enabled;
+ flag = _NEW_ARRAY_COLOR0;
+ break;
+ case GL_INDEX_ARRAY:
+ var = &arrayObj->Index.Enabled;
+ flag = _NEW_ARRAY_INDEX;
+ break;
+ case GL_TEXTURE_COORD_ARRAY:
+ var = &arrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled;
+ flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture);
+ break;
+ case GL_EDGE_FLAG_ARRAY:
+ var = &arrayObj->EdgeFlag.Enabled;
+ flag = _NEW_ARRAY_EDGEFLAG;
+ break;
+ case GL_FOG_COORDINATE_ARRAY_EXT:
+ var = &arrayObj->FogCoord.Enabled;
+ flag = _NEW_ARRAY_FOGCOORD;
+ break;
+ case GL_SECONDARY_COLOR_ARRAY_EXT:
+ var = &arrayObj->SecondaryColor.Enabled;
+ flag = _NEW_ARRAY_COLOR1;
+ break;
+
+#if FEATURE_point_size_array
+ case GL_POINT_SIZE_ARRAY_OES:
+ var = &arrayObj->PointSize.Enabled;
+ flag = _NEW_ARRAY_POINT_SIZE;
+ break;
+#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, cap);
+ {
+ GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
+ ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
+ var = &arrayObj->VertexAttrib[n].Enabled;
+ flag = _NEW_ARRAY_ATTRIB(n);
+ }
+ break;
+#endif /* FEATURE_NV_vertex_program */
+
+ /* GL_NV_primitive_restart */
+ case GL_PRIMITIVE_RESTART_NV:
+ if (!ctx->Extensions.NV_primitive_restart) {
+ goto invalid_enum_error;
+ }
+ var = &ctx->Array.PrimitiveRestart;
+ flag = 0;
+ break;
+
+ default:
+ goto invalid_enum_error;
+ }
+
+ if (*var == state)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.NewState |= flag;
+
+ _ae_invalidate_state(ctx, _NEW_ARRAY);
+
+ *var = state;
+
+ if (state)
+ ctx->Array.ArrayObj->_Enabled |= flag;
+ else
+ ctx->Array.ArrayObj->_Enabled &= ~flag;
+
+ if (ctx->Driver.Enable) {
+ ctx->Driver.Enable( ctx, cap, state );
+ }
+
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)",
+ state ? "Enable" : "Disable", cap);
+}
+
+
+/**
+ * Enable GL capability.
+ * \param cap state to enable/disable.
+ *
+ * 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 state to enable/disable.
+ *
+ * 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) { \
+ goto invalid_enum_error; \
+ }
+
+#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
+ if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
+ goto invalid_enum_error; \
+ }
+
+
+
+/**
+ * Return pointer to current texture unit for setting/getting coordinate
+ * state.
+ * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
+ * texture unit is higher than the number of supported coordinate units.
+ */
+static struct gl_texture_unit *
+get_texcoord_unit(struct gl_context *ctx)
+{
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glEnable/Disable(texcoord unit)");
+ return NULL;
+ }
+ else {
+ return &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ }
+}
+
+
+/**
+ * Helper function to enable or disable a texture target.
+ * \param bit one of the TEXTURE_x_BIT values
+ * \return GL_TRUE if state is changing or GL_FALSE if no change
+ */
+static GLboolean
+enable_texture(struct gl_context *ctx, GLboolean state, GLbitfield texBit)
+{
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ const GLbitfield newenabled = state
+ ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit);
+
+ if (texUnit->Enabled == newenabled)
+ return GL_FALSE;
+
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Enabled = newenabled;
+ return GL_TRUE;
+}
+
+
+/**
+ * Helper function to enable or disable state.
+ *
+ * \param ctx GL context.
+ * \param cap the state to enable/disable
+ * \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(struct gl_context *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:
+ {
+ GLbitfield newEnabled =
+ state * ((1 << ctx->Const.MaxDrawBuffers) - 1);
+ if (newEnabled != ctx->Color.BlendEnabled) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.BlendEnabled = newEnabled;
+ }
+ }
+ 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);
+ _mesa_update_clip_plane(ctx, p);
+ }
+ 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_DEPTH_TEST:
+ if (ctx->Depth.Test == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.Test = state;
+ break;
+ case GL_DITHER:
+ 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_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;
+ 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_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 (ctx->Stencil.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.Enabled = state;
+ break;
+ case GL_TEXTURE_1D:
+ if (!enable_texture(ctx, state, TEXTURE_1D_BIT)) {
+ return;
+ }
+ break;
+ case GL_TEXTURE_2D:
+ if (!enable_texture(ctx, state, TEXTURE_2D_BIT)) {
+ return;
+ }
+ break;
+ case GL_TEXTURE_3D:
+ if (!enable_texture(ctx, state, TEXTURE_3D_BIT)) {
+ return;
+ }
+ break;
+ case GL_TEXTURE_GEN_S:
+ case GL_TEXTURE_GEN_T:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
+ {
+ struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
+ GLbitfield newenabled = texUnit->TexGenEnabled & ~coordBit;
+ if (state)
+ newenabled |= coordBit;
+ if (texUnit->TexGenEnabled == newenabled)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->TexGenEnabled = newenabled;
+ }
+ }
+ break;
+
+#if FEATURE_ES1
+ case GL_TEXTURE_GEN_STR_OES:
+ /* disable S, T, and R at the same time */
+ {
+ struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ GLuint newenabled =
+ texUnit->TexGenEnabled & ~STR_BITS;
+ if (state)
+ newenabled |= STR_BITS;
+ if (texUnit->TexGenEnabled == newenabled)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->TexGenEnabled = newenabled;
+ }
+ }
+ break;
+#endif
+
+ /*
+ * 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:
+ case GL_POINT_SIZE_ARRAY_OES:
+ client_state( ctx, cap, state );
+ return;
+
+ /* GL_ARB_texture_cube_map */
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ CHECK_EXTENSION(ARB_texture_cube_map, cap);
+ if (!enable_texture(ctx, state, TEXTURE_CUBE_BIT)) {
+ return;
+ }
+ 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:
+ if (ctx->Multisample.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.Enabled = state;
+ break;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
+ if (ctx->Multisample.SampleAlphaToCoverage == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleAlphaToCoverage = state;
+ break;
+ case GL_SAMPLE_ALPHA_TO_ONE_ARB:
+ if (ctx->Multisample.SampleAlphaToOne == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleAlphaToOne = state;
+ break;
+ case GL_SAMPLE_COVERAGE_ARB:
+ if (ctx->Multisample.SampleCoverage == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleCoverage = state;
+ break;
+ case GL_SAMPLE_COVERAGE_INVERT_ARB:
+ 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);
+ if (!enable_texture(ctx, state, TEXTURE_RECT_BIT)) {
+ return;
+ }
+ 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->Stencil._BackFace = 2;
+ ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
+ } else {
+ ctx->Stencil._BackFace = 1;
+ 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 (ctx->Depth.BoundsTest == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.BoundsTest = state;
+ break;
+
+ case GL_DEPTH_CLAMP:
+ if (ctx->Transform.DepthClamp == state)
+ return;
+ CHECK_EXTENSION(ARB_depth_clamp, cap);
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Transform.DepthClamp = 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
+
+ /* GL_MESA_texture_array */
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ CHECK_EXTENSION(MESA_texture_array, cap);
+ if (!enable_texture(ctx, state, TEXTURE_1D_ARRAY_BIT)) {
+ return;
+ }
+ break;
+
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ CHECK_EXTENSION(MESA_texture_array, cap);
+ if (!enable_texture(ctx, state, TEXTURE_2D_ARRAY_BIT)) {
+ return;
+ }
+ break;
+
+ case GL_TEXTURE_CUBE_MAP_SEAMLESS:
+ CHECK_EXTENSION(ARB_seamless_cube_map, cap);
+ ctx->Texture.CubeMapSeamless = state;
+ break;
+
+#if FEATURE_EXT_transform_feedback
+ case GL_RASTERIZER_DISCARD:
+ CHECK_EXTENSION(EXT_transform_feedback, cap);
+ if (ctx->TransformFeedback.RasterDiscard != state) {
+ ctx->TransformFeedback.RasterDiscard = state;
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ }
+ break;
+#endif
+
+ /* GL 3.1 primitive restart. Note: this enum is different from
+ * GL_PRIMITIVE_RESTART_NV (which is client state).
+ */
+ case GL_PRIMITIVE_RESTART:
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
+ goto invalid_enum_error;
+ }
+ if (ctx->Array.PrimitiveRestart != state) {
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Array.PrimitiveRestart = state;
+ }
+ break;
+
+ /* GL3.0 - GL_framebuffer_sRGB */
+ case GL_FRAMEBUFFER_SRGB_EXT:
+ CHECK_EXTENSION(EXT_framebuffer_sRGB, cap);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+ ctx->Color.sRGBEnabled = state;
+ break;
+
+ default:
+ goto invalid_enum_error;
+ }
+
+ if (ctx->Driver.Enable) {
+ ctx->Driver.Enable( ctx, cap, state );
+ }
+
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)",
+ state ? "Enable" : "Disable", cap);
+}
+
+
+/**
+ * Enable GL capability. Called by glEnable()
+ * \param cap state to 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. Called by glDisable()
+ * \param cap state to disable.
+ */
+void GLAPIENTRY
+_mesa_Disable( GLenum cap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ _mesa_set_enable( ctx, cap, GL_FALSE );
+}
+
+
+
+/**
+ * Enable/disable an indexed state var.
+ */
+void
+_mesa_set_enablei(struct gl_context *ctx, GLenum cap,
+ GLuint index, GLboolean state)
+{
+ ASSERT(state == 0 || state == 1);
+ switch (cap) {
+ case GL_BLEND:
+ if (!ctx->Extensions.EXT_draw_buffers2) {
+ goto invalid_enum_error;
+ }
+ if (index >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)",
+ state ? "glEnableIndexed" : "glDisableIndexed", index);
+ return;
+ }
+ if (((ctx->Color.BlendEnabled >> index) & 1) != state) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ if (state)
+ ctx->Color.BlendEnabled |= (1 << index);
+ else
+ ctx->Color.BlendEnabled &= ~(1 << index);
+ }
+ break;
+ default:
+ goto invalid_enum_error;
+ }
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)",
+ state ? "glEnablei" : "glDisablei",
+ _mesa_lookup_enum_by_nr(cap));
+}
+
+
+void GLAPIENTRY
+_mesa_DisableIndexed( GLenum cap, GLuint index )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ _mesa_set_enablei(ctx, cap, index, GL_FALSE);
+}
+
+
+void GLAPIENTRY
+_mesa_EnableIndexed( GLenum cap, GLuint index )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ _mesa_set_enablei(ctx, cap, index, GL_TRUE);
+}
+
+
+GLboolean GLAPIENTRY
+_mesa_IsEnabledIndexed( GLenum cap, GLuint index )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ switch (cap) {
+ case GL_BLEND:
+ if (index >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)",
+ index);
+ return GL_FALSE;
+ }
+ return (ctx->Color.BlendEnabled >> index) & 1;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)",
+ _mesa_lookup_enum_by_nr(cap));
+ return GL_FALSE;
+ }
+}
+
+
+
+
+#undef CHECK_EXTENSION
+#define CHECK_EXTENSION(EXTNAME) \
+ if (!ctx->Extensions.EXTNAME) { \
+ goto invalid_enum_error; \
+ }
+
+#undef CHECK_EXTENSION2
+#define CHECK_EXTENSION2(EXT1, EXT2) \
+ if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
+ goto invalid_enum_error; \
+ }
+
+
+/**
+ * Helper function to determine whether a texture target is enabled.
+ */
+static GLboolean
+is_texture_enabled(struct gl_context *ctx, GLbitfield bit)
+{
+ const struct gl_texture_unit *const texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ return (texUnit->Enabled & bit) ? GL_TRUE : GL_FALSE;
+}
+
+
+/**
+ * Return simple enable/disable state.
+ *
+ * \param cap state variable to query.
+ *
+ * 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 & 1; /* return state for buffer[0] */
+ 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:
+ return is_texture_enabled(ctx, TEXTURE_1D_BIT);
+ case GL_TEXTURE_2D:
+ return is_texture_enabled(ctx, TEXTURE_2D_BIT);
+ case GL_TEXTURE_3D:
+ return is_texture_enabled(ctx, TEXTURE_3D_BIT);
+ case GL_TEXTURE_GEN_S:
+ case GL_TEXTURE_GEN_T:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
+ {
+ const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
+ return (texUnit->TexGenEnabled & coordBit) ? GL_TRUE : GL_FALSE;
+ }
+ }
+ return GL_FALSE;
+#if FEATURE_ES1
+ case GL_TEXTURE_GEN_STR_OES:
+ {
+ const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ return (texUnit->TexGenEnabled & STR_BITS) == STR_BITS
+ ? GL_TRUE : GL_FALSE;
+ }
+ }
+#endif
+
+ /*
+ * CLIENT STATE!!!
+ */
+ case GL_VERTEX_ARRAY:
+ return (ctx->Array.ArrayObj->Vertex.Enabled != 0);
+ case GL_NORMAL_ARRAY:
+ return (ctx->Array.ArrayObj->Normal.Enabled != 0);
+ case GL_COLOR_ARRAY:
+ return (ctx->Array.ArrayObj->Color.Enabled != 0);
+ case GL_INDEX_ARRAY:
+ return (ctx->Array.ArrayObj->Index.Enabled != 0);
+ case GL_TEXTURE_COORD_ARRAY:
+ return (ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture]
+ .Enabled != 0);
+ case GL_EDGE_FLAG_ARRAY:
+ return (ctx->Array.ArrayObj->EdgeFlag.Enabled != 0);
+ case GL_FOG_COORDINATE_ARRAY_EXT:
+ CHECK_EXTENSION(EXT_fog_coord);
+ return (ctx->Array.ArrayObj->FogCoord.Enabled != 0);
+ case GL_SECONDARY_COLOR_ARRAY_EXT:
+ CHECK_EXTENSION(EXT_secondary_color);
+ return (ctx->Array.ArrayObj->SecondaryColor.Enabled != 0);
+#if FEATURE_point_size_array
+ case GL_POINT_SIZE_ARRAY_OES:
+ return (ctx->Array.ArrayObj->PointSize.Enabled != 0);
+#endif
+
+ /* GL_ARB_texture_cube_map */
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ CHECK_EXTENSION(ARB_texture_cube_map);
+ return is_texture_enabled(ctx, TEXTURE_CUBE_BIT);
+
+ /* 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:
+ return ctx->Multisample.Enabled;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
+ return ctx->Multisample.SampleAlphaToCoverage;
+ case GL_SAMPLE_ALPHA_TO_ONE_ARB:
+ return ctx->Multisample.SampleAlphaToOne;
+ case GL_SAMPLE_COVERAGE_ARB:
+ return ctx->Multisample.SampleCoverage;
+ case GL_SAMPLE_COVERAGE_INVERT_ARB:
+ 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;
+ ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
+ return (ctx->Array.ArrayObj->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);
+ return is_texture_enabled(ctx, TEXTURE_RECT_BIT);
+
+ /* 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_ARB_depth_clamp */
+ case GL_DEPTH_CLAMP:
+ CHECK_EXTENSION(ARB_depth_clamp);
+ return ctx->Transform.DepthClamp;
+
+#if FEATURE_ATI_fragment_shader
+ case GL_FRAGMENT_SHADER_ATI:
+ CHECK_EXTENSION(ATI_fragment_shader);
+ return ctx->ATIFragmentShader.Enabled;
+#endif /* FEATURE_ATI_fragment_shader */
+
+ case GL_TEXTURE_CUBE_MAP_SEAMLESS:
+ CHECK_EXTENSION(ARB_seamless_cube_map);
+ return ctx->Texture.CubeMapSeamless;
+
+#if FEATURE_EXT_transform_feedback
+ case GL_RASTERIZER_DISCARD:
+ CHECK_EXTENSION(EXT_transform_feedback);
+ return ctx->TransformFeedback.RasterDiscard;
+#endif
+
+ /* GL_NV_primitive_restart */
+ case GL_PRIMITIVE_RESTART_NV:
+ if (!ctx->Extensions.NV_primitive_restart) {
+ goto invalid_enum_error;
+ }
+ return ctx->Array.PrimitiveRestart;
+
+ /* GL 3.1 primitive restart */
+ case GL_PRIMITIVE_RESTART:
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
+ goto invalid_enum_error;
+ }
+ return ctx->Array.PrimitiveRestart;
+
+ /* GL3.0 - GL_framebuffer_sRGB */
+ case GL_FRAMEBUFFER_SRGB_EXT:
+ CHECK_EXTENSION(EXT_framebuffer_sRGB);
+ return ctx->Color.sRGBEnabled;
+
+ default:
+ goto invalid_enum_error;
+ }
+
+ return GL_FALSE;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
+ return GL_FALSE;
+}
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