From afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1c Mon Sep 17 00:00:00 2001 From: jtg Date: Thu, 19 Aug 1999 00:55:39 +0000 Subject: Initial revision --- src/mesa/main/enable.c | 699 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 699 insertions(+) create mode 100644 src/mesa/main/enable.c (limited to 'src/mesa/main/enable.c') diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c new file mode 100644 index 0000000000..7f661fb75f --- /dev/null +++ b/src/mesa/main/enable.c @@ -0,0 +1,699 @@ +/* $Id: enable.c,v 1.1 1999/08/19 00:55:41 jtg Exp $ */ + +/* + * Mesa 3-D graphics library + * Version: 3.1 + * + * Copyright (C) 1999 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifdef PC_HEADER +#include "all.h" +#else +#include +#include +#include "context.h" +#include "enable.h" +#include "light.h" +#include "macros.h" +#include "matrix.h" +#include "mmath.h" +#include "simple_list.h" +#include "types.h" +#include "vbfill.h" +#include "xform.h" +#include "enums.h" +#ifdef XFree86Server +#include "GL/xf86glx.h" +#endif +#endif + + + +/* + * Perform glEnable and glDisable calls. + */ +void gl_set_enable( GLcontext *ctx, GLenum cap, GLboolean state ) +{ + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx, "gl_enable/disable" ); + + if (MESA_VERBOSE & VERBOSE_API) + fprintf(stderr, "%s %s (%x)\n", + state ? "glEnable" : "glDisable", + gl_lookup_enum_by_nr(cap), + ctx->NewState); + + switch (cap) { + case GL_ALPHA_TEST: + if (ctx->Color.AlphaEnabled!=state) { + ctx->Color.AlphaEnabled = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_AUTO_NORMAL: + ctx->Eval.AutoNormal = state; + break; + case GL_BLEND: + if (ctx->Color.BlendEnabled!=state) { + ctx->Color.BlendEnabled = state; + /* The following needed to accomodate 1.0 RGB logic op blending */ + if (ctx->Color.BlendEquation==GL_LOGIC_OP && state) { + ctx->Color.ColorLogicOpEnabled = GL_TRUE; + } + else { + ctx->Color.ColorLogicOpEnabled = GL_FALSE; + } + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + if (cap >= GL_CLIP_PLANE0 && + cap <= GL_CLIP_PLANE5 && + ctx->Transform.ClipEnabled[cap-GL_CLIP_PLANE0] != state) + { + GLuint p = cap-GL_CLIP_PLANE0; + + ctx->Transform.ClipEnabled[p] = state; + ctx->NewState |= NEW_USER_CLIP; + + if (state) { + ctx->Enabled |= ENABLE_USERCLIP; + ctx->Transform.AnyClip++; + + if (ctx->ProjectionMatrix.flags & MAT_DIRTY_ALL_OVER) { + gl_matrix_analyze( &ctx->ProjectionMatrix ); + } + + gl_transform_vector( ctx->Transform.ClipUserPlane[p], + ctx->Transform.EyeUserPlane[p], + ctx->ProjectionMatrix.inv ); + } else { + if (--ctx->Transform.AnyClip == 0) + ctx->Enabled &= ~ENABLE_USERCLIP; + } + } + break; + case GL_COLOR_MATERIAL: + if (ctx->Light.ColorMaterialEnabled!=state) { + ctx->Light.ColorMaterialEnabled = state; + ctx->NewState |= NEW_LIGHTING; + } + break; + case GL_CULL_FACE: + if (ctx->Polygon.CullFlag!=state) { + ctx->Polygon.CullFlag = state; + ctx->TriangleCaps ^= DD_TRI_CULL; + ctx->NewState |= NEW_POLYGON; + } + break; + case GL_DEPTH_TEST: + if (state && ctx->Visual->DepthBits==0) { + gl_warning(ctx,"glEnable(GL_DEPTH_TEST) but no depth buffer"); + return; + } + if (ctx->Depth.Test!=state) { + ctx->Depth.Test = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_DITHER: + if (ctx->NoDither) { + /* MESA_NO_DITHER env var */ + state = GL_FALSE; + } + if (ctx->Color.DitherFlag!=state) { + ctx->Color.DitherFlag = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_FOG: + if (ctx->Fog.Enabled!=state) { + ctx->Fog.Enabled = state; + ctx->Enabled ^= ENABLE_FOG; + ctx->NewState |= NEW_FOG; + } + 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) + { + ctx->Light.Light[cap-GL_LIGHT0].Enabled = state; + + if (state) { + insert_at_tail(&ctx->Light.EnabledList, + &ctx->Light.Light[cap-GL_LIGHT0]); + if (ctx->Light.Enabled) + ctx->Enabled |= ENABLE_LIGHT; + } else { + remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]); + if (is_empty_list(&ctx->Light.EnabledList)) + ctx->Enabled &= ~ENABLE_LIGHT; + } + + ctx->NewState |= NEW_LIGHTING; + } + break; + case GL_LIGHTING: + if (ctx->Light.Enabled!=state) { + ctx->Light.Enabled = state; + ctx->Enabled &= ~ENABLE_LIGHT; + if (state && !is_empty_list(&ctx->Light.EnabledList)) + ctx->Enabled |= ENABLE_LIGHT; + ctx->NewState |= NEW_LIGHTING; + } + break; + case GL_LINE_SMOOTH: + if (ctx->Line.SmoothFlag!=state) { + ctx->Line.SmoothFlag = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_LINE_STIPPLE: + if (ctx->Line.StippleFlag!=state) { + ctx->Line.StippleFlag = state; + ctx->TriangleCaps ^= DD_LINE_STIPPLE; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_INDEX_LOGIC_OP: + if (ctx->Color.IndexLogicOpEnabled!=state) { + ctx->Color.IndexLogicOpEnabled = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_COLOR_LOGIC_OP: + if (ctx->Color.ColorLogicOpEnabled!=state) { + ctx->Color.ColorLogicOpEnabled = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_MAP1_COLOR_4: + ctx->Eval.Map1Color4 = state; + break; + case GL_MAP1_INDEX: + ctx->Eval.Map1Index = state; + break; + case GL_MAP1_NORMAL: + ctx->Eval.Map1Normal = state; + break; + case GL_MAP1_TEXTURE_COORD_1: + ctx->Eval.Map1TextureCoord1 = state; + break; + case GL_MAP1_TEXTURE_COORD_2: + ctx->Eval.Map1TextureCoord2 = state; + break; + case GL_MAP1_TEXTURE_COORD_3: + ctx->Eval.Map1TextureCoord3 = state; + break; + case GL_MAP1_TEXTURE_COORD_4: + ctx->Eval.Map1TextureCoord4 = state; + break; + case GL_MAP1_VERTEX_3: + ctx->Eval.Map1Vertex3 = state; + break; + case GL_MAP1_VERTEX_4: + ctx->Eval.Map1Vertex4 = state; + break; + case GL_MAP2_COLOR_4: + ctx->Eval.Map2Color4 = state; + break; + case GL_MAP2_INDEX: + ctx->Eval.Map2Index = state; + break; + case GL_MAP2_NORMAL: + ctx->Eval.Map2Normal = state; + break; + case GL_MAP2_TEXTURE_COORD_1: + ctx->Eval.Map2TextureCoord1 = state; + break; + case GL_MAP2_TEXTURE_COORD_2: + ctx->Eval.Map2TextureCoord2 = state; + break; + case GL_MAP2_TEXTURE_COORD_3: + ctx->Eval.Map2TextureCoord3 = state; + break; + case GL_MAP2_TEXTURE_COORD_4: + ctx->Eval.Map2TextureCoord4 = state; + break; + case GL_MAP2_VERTEX_3: + ctx->Eval.Map2Vertex3 = state; + break; + case GL_MAP2_VERTEX_4: + ctx->Eval.Map2Vertex4 = state; + break; + case GL_NORMALIZE: + if (ctx->Transform.Normalize != state) { + ctx->Transform.Normalize = state; + ctx->NewState |= NEW_NORMAL_TRANSFORM|NEW_LIGHTING; + ctx->Enabled ^= ENABLE_NORMALIZE; + } + break; + case GL_POINT_SMOOTH: + if (ctx->Point.SmoothFlag!=state) { + ctx->Point.SmoothFlag = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_POLYGON_SMOOTH: + if (ctx->Polygon.SmoothFlag!=state) { + ctx->Polygon.SmoothFlag = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_POLYGON_STIPPLE: + if (ctx->Polygon.StippleFlag!=state) { + ctx->Polygon.StippleFlag = state; + ctx->TriangleCaps ^= DD_TRI_STIPPLE; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_POLYGON_OFFSET_POINT: + if (ctx->Polygon.OffsetPoint!=state) { + ctx->Polygon.OffsetPoint = state; + ctx->NewState |= NEW_POLYGON; + } + break; + case GL_POLYGON_OFFSET_LINE: + if (ctx->Polygon.OffsetLine!=state) { + ctx->Polygon.OffsetLine = state; + ctx->NewState |= NEW_POLYGON; + } + break; + case GL_POLYGON_OFFSET_FILL: + /*case GL_POLYGON_OFFSET_EXT:*/ + if (ctx->Polygon.OffsetFill!=state) { + ctx->Polygon.OffsetFill = state; + ctx->NewState |= NEW_POLYGON; + } + break; + case GL_RESCALE_NORMAL_EXT: + if (ctx->Transform.RescaleNormals != state) { + ctx->Transform.RescaleNormals = state; + ctx->NewState |= NEW_NORMAL_TRANSFORM|NEW_LIGHTING; + ctx->Enabled ^= ENABLE_RESCALE; + } + break; + case GL_SCISSOR_TEST: + if (ctx->Scissor.Enabled!=state) { + ctx->Scissor.Enabled = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_SHARED_TEXTURE_PALETTE_EXT: + ctx->Texture.SharedPalette = state; + if (ctx->Driver.UseGlobalTexturePalette) + (*ctx->Driver.UseGlobalTexturePalette)( ctx, state ); + break; + case GL_STENCIL_TEST: + if (state && ctx->Visual->StencilBits==0) { + gl_warning(ctx, "glEnable(GL_STENCIL_TEST) but no stencil buffer"); + return; + } + if (ctx->Stencil.Enabled!=state) { + ctx->Stencil.Enabled = state; + ctx->NewState |= NEW_RASTER_OPS; + } + break; + case GL_TEXTURE_1D: + if (ctx->Visual->RGBAflag) { + const GLuint curr = ctx->Texture.CurrentUnit; + const GLuint flag = TEXTURE0_1D << (curr * 4); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + ctx->NewState |= NEW_TEXTURE_ENABLE; + if (state) { + texUnit->Enabled |= TEXTURE0_1D; + ctx->Enabled |= flag; + } + else { + texUnit->Enabled &= ~TEXTURE0_1D; + ctx->Enabled &= ~flag; + } + } + break; + case GL_TEXTURE_2D: + if (ctx->Visual->RGBAflag) { + const GLuint curr = ctx->Texture.CurrentUnit; + const GLuint flag = TEXTURE0_2D << (curr * 4); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + ctx->NewState |= NEW_TEXTURE_ENABLE; + if (state) { + texUnit->Enabled |= TEXTURE0_2D; + ctx->Enabled |= flag; + } + else { + texUnit->Enabled &= ~TEXTURE0_2D; + ctx->Enabled &= ~flag; + } + } + break; + case GL_TEXTURE_3D: + if (ctx->Visual->RGBAflag) { + const GLuint curr = ctx->Texture.CurrentUnit; + const GLuint flag = TEXTURE0_3D << (curr * 4); + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr]; + ctx->NewState |= NEW_TEXTURE_ENABLE; + if (state) { + texUnit->Enabled |= TEXTURE0_3D; + ctx->Enabled |= flag; + } + else { + texUnit->Enabled &= ~TEXTURE0_3D; + ctx->Enabled &= ~flag; + } + } + break; + case GL_TEXTURE_GEN_Q: + { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + if (state) + texUnit->TexGenEnabled |= Q_BIT; + else + texUnit->TexGenEnabled &= ~Q_BIT; + ctx->NewState |= NEW_TEXTURING; + } + break; + case GL_TEXTURE_GEN_R: + { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + if (state) + texUnit->TexGenEnabled |= R_BIT; + else + texUnit->TexGenEnabled &= ~R_BIT; + ctx->NewState |= NEW_TEXTURING; + } + break; + case GL_TEXTURE_GEN_S: + { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + if (state) + texUnit->TexGenEnabled |= S_BIT; + else + texUnit->TexGenEnabled &= ~S_BIT; + ctx->NewState |= NEW_TEXTURING; + } + break; + case GL_TEXTURE_GEN_T: + { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + if (state) + texUnit->TexGenEnabled |= T_BIT; + else + texUnit->TexGenEnabled &= ~T_BIT; + ctx->NewState |= NEW_TEXTURING; + } + break; + + /* + * CLIENT STATE!!! + */ + case GL_VERTEX_ARRAY: + ctx->Array.Vertex.Enabled = state; + break; + case GL_NORMAL_ARRAY: + ctx->Array.Normal.Enabled = state; + break; + case GL_COLOR_ARRAY: + ctx->Array.Color.Enabled = state; + break; + case GL_INDEX_ARRAY: + ctx->Array.Index.Enabled = state; + break; + case GL_TEXTURE_COORD_ARRAY: + ctx->Array.TexCoord[ctx->TexCoordUnit].Enabled = state; + break; + case GL_EDGE_FLAG_ARRAY: + ctx->Array.EdgeFlag.Enabled = state; + break; + + default: + if (state) { + gl_error( ctx, GL_INVALID_ENUM, "glEnable" ); + } + else { + gl_error( ctx, GL_INVALID_ENUM, "glDisable" ); + } + return; + } + + if (ctx->Driver.Enable) { + (*ctx->Driver.Enable)( ctx, cap, state ); + } +} + + + + +void gl_Enable( GLcontext* ctx, GLenum cap ) +{ + gl_set_enable( ctx, cap, GL_TRUE ); +} + + + +void gl_Disable( GLcontext* ctx, GLenum cap ) +{ + gl_set_enable( ctx, cap, GL_FALSE ); +} + + + +GLboolean gl_IsEnabled( GLcontext* ctx, GLenum cap ) +{ + switch (cap) { + case GL_ALPHA_TEST: + return ctx->Color.AlphaEnabled; + case GL_AUTO_NORMAL: + return ctx->Eval.AutoNormal; + case GL_BLEND: + return ctx->Color.BlendEnabled; + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + return ctx->Transform.ClipEnabled[cap-GL_CLIP_PLANE0]; + case GL_COLOR_MATERIAL: + return ctx->Light.ColorMaterialEnabled; + case GL_CULL_FACE: + return ctx->Polygon.CullFlag; + case GL_DEPTH_TEST: + return ctx->Depth.Test; + case GL_DITHER: + return ctx->Color.DitherFlag; + case GL_FOG: + return ctx->Fog.Enabled; + case GL_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 = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE0_1D) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_2D: + { + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE0_2D) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_3D: + { + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->Enabled & TEXTURE0_2D) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_Q: + { + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_R: + { + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_S: + { + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; + } + case GL_TEXTURE_GEN_T: + { + const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE; + } + + /* + * CLIENT STATE!!! + */ + case GL_VERTEX_ARRAY: + return ctx->Array.Vertex.Enabled; + case GL_NORMAL_ARRAY: + return ctx->Array.Normal.Enabled; + case GL_COLOR_ARRAY: + return ctx->Array.Color.Enabled; + case GL_INDEX_ARRAY: + return ctx->Array.Index.Enabled; + case GL_TEXTURE_COORD_ARRAY: + return ctx->Array.TexCoord[ctx->TexCoordUnit].Enabled; + case GL_EDGE_FLAG_ARRAY: + return ctx->Array.EdgeFlag.Enabled; + default: + gl_error( ctx, GL_INVALID_ENUM, "glIsEnabled" ); + return GL_FALSE; + } +} + + + + +static void gl_client_state( GLcontext *ctx, GLenum cap, GLboolean state ) +{ + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH( ctx, + (state + ? "glEnableClientState" + : "glDisableClientState") ); + + switch (cap) { + case GL_VERTEX_ARRAY: + ctx->Array.Vertex.Enabled = state; + break; + case GL_NORMAL_ARRAY: + ctx->Array.Normal.Enabled = state; + break; + case GL_COLOR_ARRAY: + ctx->Array.Color.Enabled = state; + break; + case GL_INDEX_ARRAY: + ctx->Array.Index.Enabled = state; + break; + case GL_TEXTURE_COORD_ARRAY: + ctx->Array.TexCoord[ctx->TexCoordUnit].Enabled = state; + break; + case GL_EDGE_FLAG_ARRAY: + ctx->Array.EdgeFlag.Enabled = state; + break; + default: + gl_error( ctx, GL_INVALID_ENUM, "glEnable/DisableClientState" ); + } + + ctx->NewState |= NEW_CLIENT_STATE; +} + + + +void gl_EnableClientState( GLcontext *ctx, GLenum cap ) +{ + gl_client_state( ctx, cap, GL_TRUE ); +} + + + +void gl_DisableClientState( GLcontext *ctx, GLenum cap ) +{ + gl_client_state( ctx, cap, GL_FALSE ); +} + -- cgit v1.2.3