0,0 → 1,1491 |
/** |
* \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 "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->NoDither) { |
state = GL_FALSE; /* MESA_NO_DITHER env var */ |
} |
if (ctx->Color.DitherFlag == state) |
return; |
FLUSH_VERTICES(ctx, _NEW_COLOR); |
ctx->Color.DitherFlag = state; |
break; |
case GL_FOG: |
if (ctx->Fog.Enabled == state) |
return; |
FLUSH_VERTICES(ctx, _NEW_FOG); |
ctx->Fog.Enabled = state; |
break; |
case GL_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_SGI_texture_color_table */ |
case GL_TEXTURE_COLOR_TABLE_SGI: |
CHECK_EXTENSION(SGI_texture_color_table, cap); |
if (ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled == state) |
return; |
FLUSH_VERTICES(ctx, _NEW_TEXTURE); |
ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled = state; |
break; |
|
/* GL_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; |
|
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_SGI_texture_color_table */ |
case GL_TEXTURE_COLOR_TABLE_SGI: |
CHECK_EXTENSION(SGI_texture_color_table); |
return ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled; |
|
/* GL_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; |
|
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; |
} |