/**
* 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(GLcontext *ctx, GLenum cap, GLboolean state)
{
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "%s %s (newstate is %x)\n",
state ? "glEnable" : "glDisable",
_mesa_lookup_enum_by_nr(cap),
ctx->NewState);
switch (cap) {
case GL_ALPHA_TEST:
if (ctx->Color.AlphaEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.AlphaEnabled = state;
break;
case GL_AUTO_NORMAL:
if (ctx->Eval.AutoNormal == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.AutoNormal = state;
break;
case GL_BLEND:
if (ctx->Color.BlendEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.BlendEnabled = state;
break;
#if FEATURE_userclip
case GL_CLIP_PLANE0:
case GL_CLIP_PLANE1:
case GL_CLIP_PLANE2:
case GL_CLIP_PLANE3:
case GL_CLIP_PLANE4:
case GL_CLIP_PLANE5:
{
const GLuint p = cap - GL_CLIP_PLANE0;
if ((ctx->Transform.ClipPlanesEnabled & (1 << p)) == ((GLuint) state << p))
return;
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
if (state) {
ctx->Transform.ClipPlanesEnabled |= (1 << p);
if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
_math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
/* This derived state also calculated in clip.c and
* from _mesa_update_state() on changes to EyeUserPlane
* and ctx->ProjectionMatrix respectively.
*/
_mesa_transform_vector( ctx->Transform._ClipUserPlane[p],
ctx->Transform.EyeUserPlane[p],
ctx->ProjectionMatrixStack.Top->inv );
}
else {
ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
}
}
break;
#endif
case GL_COLOR_MATERIAL:
if (ctx->Light.ColorMaterialEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_LIGHT);
FLUSH_CURRENT(ctx, 0);
ctx->Light.ColorMaterialEnabled = state;
if (state) {
_mesa_update_color_material( ctx,
ctx->Current.Attrib[VERT_ATTRIB_COLOR0] );
}
break;
case GL_CULL_FACE:
if (ctx->Polygon.CullFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.CullFlag = state;
break;
case GL_CULL_VERTEX_EXT:
CHECK_EXTENSION(EXT_cull_vertex, cap);
if (ctx->Transform.CullVertexFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
ctx->Transform.CullVertexFlag = state;
break;
case GL_DEPTH_TEST:
if (ctx->Depth.Test == state)
return;
FLUSH_VERTICES(ctx, _NEW_DEPTH);
ctx->Depth.Test = state;
break;
case GL_DITHER:
if (ctx->NoDither) {
state = GL_FALSE; /* MESA_NO_DITHER env var */
}
if (ctx->Color.DitherFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.DitherFlag = state;
break;
case GL_FOG:
if (ctx->Fog.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_FOG);
ctx->Fog.Enabled = state;
break;
case GL_HISTOGRAM:
CHECK_EXTENSION(EXT_histogram, cap);
if (ctx->Pixel.HistogramEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.HistogramEnabled = state;
break;
case GL_LIGHT0:
case GL_LIGHT1:
case GL_LIGHT2:
case GL_LIGHT3:
case GL_LIGHT4:
case GL_LIGHT5:
case GL_LIGHT6:
case GL_LIGHT7:
if (ctx->Light.Light[cap-GL_LIGHT0].Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.Light[cap-GL_LIGHT0].Enabled = state;
if (state) {
insert_at_tail(&ctx->Light.EnabledList,
&ctx->Light.Light[cap-GL_LIGHT0]);
}
else {
remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]);
}
break;
case GL_LIGHTING:
if (ctx->Light.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.Enabled = state;
if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
else
ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
break;
case GL_LINE_SMOOTH:
if (ctx->Line.SmoothFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_LINE);
ctx->Line.SmoothFlag = state;
ctx->_TriangleCaps ^= DD_LINE_SMOOTH;
break;
case GL_LINE_STIPPLE:
if (ctx->Line.StippleFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_LINE);
ctx->Line.StippleFlag = state;
ctx->_TriangleCaps ^= DD_LINE_STIPPLE;
break;
case GL_INDEX_LOGIC_OP:
if (ctx->Color.IndexLogicOpEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.IndexLogicOpEnabled = state;
break;
case GL_COLOR_LOGIC_OP:
if (ctx->Color.ColorLogicOpEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.ColorLogicOpEnabled = state;
break;
case GL_MAP1_COLOR_4:
if (ctx->Eval.Map1Color4 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1Color4 = state;
break;
case GL_MAP1_INDEX:
if (ctx->Eval.Map1Index == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1Index = state;
break;
case GL_MAP1_NORMAL:
if (ctx->Eval.Map1Normal == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1Normal = state;
break;
case GL_MAP1_TEXTURE_COORD_1:
if (ctx->Eval.Map1TextureCoord1 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1TextureCoord1 = state;
break;
case GL_MAP1_TEXTURE_COORD_2:
if (ctx->Eval.Map1TextureCoord2 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1TextureCoord2 = state;
break;
case GL_MAP1_TEXTURE_COORD_3:
if (ctx->Eval.Map1TextureCoord3 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1TextureCoord3 = state;
break;
case GL_MAP1_TEXTURE_COORD_4:
if (ctx->Eval.Map1TextureCoord4 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1TextureCoord4 = state;
break;
case GL_MAP1_VERTEX_3:
if (ctx->Eval.Map1Vertex3 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1Vertex3 = state;
break;
case GL_MAP1_VERTEX_4:
if (ctx->Eval.Map1Vertex4 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map1Vertex4 = state;
break;
case GL_MAP2_COLOR_4:
if (ctx->Eval.Map2Color4 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2Color4 = state;
break;
case GL_MAP2_INDEX:
if (ctx->Eval.Map2Index == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2Index = state;
break;
case GL_MAP2_NORMAL:
if (ctx->Eval.Map2Normal == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2Normal = state;
break;
case GL_MAP2_TEXTURE_COORD_1:
if (ctx->Eval.Map2TextureCoord1 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2TextureCoord1 = state;
break;
case GL_MAP2_TEXTURE_COORD_2:
if (ctx->Eval.Map2TextureCoord2 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2TextureCoord2 = state;
break;
case GL_MAP2_TEXTURE_COORD_3:
if (ctx->Eval.Map2TextureCoord3 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2TextureCoord3 = state;
break;
case GL_MAP2_TEXTURE_COORD_4:
if (ctx->Eval.Map2TextureCoord4 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2TextureCoord4 = state;
break;
case GL_MAP2_VERTEX_3:
if (ctx->Eval.Map2Vertex3 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2Vertex3 = state;
break;
case GL_MAP2_VERTEX_4:
if (ctx->Eval.Map2Vertex4 == state)
return;
FLUSH_VERTICES(ctx, _NEW_EVAL);
ctx->Eval.Map2Vertex4 = state;
break;
case GL_MINMAX:
if (ctx->Pixel.MinMaxEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.MinMaxEnabled = state;
break;
case GL_NORMALIZE:
if (ctx->Transform.Normalize == state)
return;
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
ctx->Transform.Normalize = state;
break;
case GL_POINT_SMOOTH:
if (ctx->Point.SmoothFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POINT);
ctx->Point.SmoothFlag = state;
ctx->_TriangleCaps ^= DD_POINT_SMOOTH;
break;
case GL_POLYGON_SMOOTH:
if (ctx->Polygon.SmoothFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.SmoothFlag = state;
ctx->_TriangleCaps ^= DD_TRI_SMOOTH;
break;
case GL_POLYGON_STIPPLE:
if (ctx->Polygon.StippleFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.StippleFlag = state;
ctx->_TriangleCaps ^= DD_TRI_STIPPLE;
break;
case GL_POLYGON_OFFSET_POINT:
if (ctx->Polygon.OffsetPoint == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetPoint = state;
break;
case GL_POLYGON_OFFSET_LINE:
if (ctx->Polygon.OffsetLine == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetLine = state;
break;
case GL_POLYGON_OFFSET_FILL:
/*case GL_POLYGON_OFFSET_EXT:*/
if (ctx->Polygon.OffsetFill == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.OffsetFill = state;
break;
case GL_RESCALE_NORMAL_EXT:
if (ctx->Transform.RescaleNormals == state)
return;
FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
ctx->Transform.RescaleNormals = state;
break;
case GL_SCISSOR_TEST:
if (ctx->Scissor.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_SCISSOR);
ctx->Scissor.Enabled = state;
break;
case GL_SHARED_TEXTURE_PALETTE_EXT:
if (ctx->Texture.SharedPalette == state)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
ctx->Texture.SharedPalette = state;
break;
case GL_STENCIL_TEST:
if (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;
/*
* 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_color_table */
case GL_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table, cap);
if (ctx->Pixel.ColorTableEnabled[COLORTABLE_PRECONVOLUTION] == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.ColorTableEnabled[COLORTABLE_PRECONVOLUTION] = state;
break;
case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table, cap);
if (ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCONVOLUTION] == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCONVOLUTION] = state;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table, cap);
if (ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCOLORMATRIX] == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCOLORMATRIX] = state;
break;
case GL_TEXTURE_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_texture_color_table, cap);
if (ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled = state;
break;
/* GL_EXT_convolution */
case GL_CONVOLUTION_1D:
CHECK_EXTENSION(EXT_convolution, cap);
if (ctx->Pixel.Convolution1DEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.Convolution1DEnabled = state;
break;
case GL_CONVOLUTION_2D:
CHECK_EXTENSION(EXT_convolution, cap);
if (ctx->Pixel.Convolution2DEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.Convolution2DEnabled = state;
break;
case GL_SEPARABLE_2D:
CHECK_EXTENSION(EXT_convolution, cap);
if (ctx->Pixel.Separable2DEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.Separable2DEnabled = state;
break;
/* GL_ARB_texture_cube_map */
case GL_TEXTURE_CUBE_MAP_ARB:
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 (state && ctx->DrawBuffer->Visual.depthBits == 0) {
_mesa_warning(ctx,
"glEnable(GL_DEPTH_BOUNDS_TEST_EXT) but no depth buffer");
return;
}
if (ctx->Depth.BoundsTest == state)
return;
FLUSH_VERTICES(ctx, _NEW_DEPTH);
ctx->Depth.BoundsTest = state;
break;
#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;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(0x%x)", state ? "glEnable" : "glDisable", cap);
return;
}
if (ctx->Driver.Enable) {
ctx->Driver.Enable( ctx, cap, state );
}
}
/**
* 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);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
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_DISTANCE0:
case GL_CLIP_DISTANCE1:
case GL_CLIP_DISTANCE2:
case GL_CLIP_DISTANCE3:
case GL_CLIP_DISTANCE4:
case GL_CLIP_DISTANCE5:
case GL_CLIP_DISTANCE6:
case GL_CLIP_DISTANCE7: {
const GLuint p = cap - GL_CLIP_DISTANCE0;
if (p >= ctx->Const.MaxClipPlanes)
goto invalid_enum_error;
return (ctx->Transform.ClipPlanesEnabled >> p) & 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:
return ctx->Polygon.OffsetFill;
case GL_RESCALE_NORMAL_EXT:
return ctx->Transform.RescaleNormals;
case GL_SCISSOR_TEST:
return ctx->Scissor.Enabled;
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_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-side state */
case GL_VERTEX_ARRAY:
return (ctx->Array.VertexAttrib[VERT_ATTRIB_POS].Enabled != 0);
case GL_NORMAL_ARRAY:
return (ctx->Array.VertexAttrib[VERT_ATTRIB_NORMAL].Enabled != 0);
case GL_COLOR_ARRAY:
return (ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR].Enabled != 0);
case GL_INDEX_ARRAY:
return (ctx->Array.VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled != 0);
case GL_TEXTURE_COORD_ARRAY:
return (ctx->Array.VertexAttrib[VERT_ATTRIB_TEX]
.Enabled != 0);
case GL_EDGE_FLAG_ARRAY:
return (ctx->Array.VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled != 0);
case GL_FOG_COORDINATE_ARRAY_EXT:
CHECK_EXTENSION(EXT_fog_coord);
return (ctx->Array.VertexAttrib[VERT_ATTRIB_FOG].Enabled != 0);
#if FEATURE_point_size_array
case GL_POINT_SIZE_ARRAY_OES:
return (ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_POINT_SIZE].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_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;
/* GL_EXT_depth_bounds_test */
case GL_DEPTH_BOUNDS_TEST_EXT:
CHECK_EXTENSION(EXT_depth_bounds_test);
return ctx->Depth.BoundsTest;
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;
}
/**
* 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;
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;
/*
* 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_EXT_histogram */
case GL_HISTOGRAM:
CHECK_EXTENSION(EXT_histogram);
return ctx->Pixel.HistogramEnabled;
case GL_MINMAX:
CHECK_EXTENSION(EXT_histogram);
return ctx->Pixel.MinMaxEnabled;
/* GL_SGI_color_table */
case GL_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table);
return ctx->Pixel.ColorTableEnabled[COLORTABLE_PRECONVOLUTION];
case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table);
return ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCONVOLUTION];
case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table);
return ctx->Pixel.ColorTableEnabled[COLORTABLE_POSTCOLORMATRIX];
/* GL_SGI_texture_color_table */
case GL_TEXTURE_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_texture_color_table);
return ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled;
/* GL_EXT_convolution */
case GL_CONVOLUTION_1D:
CHECK_EXTENSION(EXT_convolution);
return ctx->Pixel.Convolution1DEnabled;
case GL_CONVOLUTION_2D:
CHECK_EXTENSION(EXT_convolution);
return ctx->Pixel.Convolution2DEnabled;
case GL_SEPARABLE_2D:
CHECK_EXTENSION(EXT_convolution);
return ctx->Pixel.Separable2DEnabled;
/* GL_ARB_texture_cube_map */
case GL_TEXTURE_CUBE_MAP_ARB:
CHECK_EXTENSION(ARB_texture_cube_map);
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;
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;
#if FEATURE_ATI_fragment_shader
case GL_FRAGMENT_SHADER_ATI:
CHECK_EXTENSION(ATI_fragment_shader);
return ctx->ATIFragmentShader.Enabled;
#endif /* FEATURE_ATI_fragment_shader */
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
return GL_FALSE;
}
}
/**
* 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:
{
if (state != ctx->Color.BlendEnabled) {
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.BlendEnabled = state;
}
}
break;
#if FEATURE_userclip
case GL_CLIP_DISTANCE0:
case GL_CLIP_DISTANCE1:
case GL_CLIP_DISTANCE2:
case GL_CLIP_DISTANCE3:
case GL_CLIP_DISTANCE4:
case GL_CLIP_DISTANCE5:
case GL_CLIP_DISTANCE6:
case GL_CLIP_DISTANCE7:
{
const GLuint p = cap - GL_CLIP_DISTANCE0;
if (p >= ctx->Const.MaxClipPlanes)
goto invalid_enum_error;
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_COLOR] );
}
break;
case GL_CULL_FACE:
if (ctx->Polygon.CullFlag == state)
return;
FLUSH_VERTICES(ctx, _NEW_POLYGON);
ctx->Polygon.CullFlag = state;
break;
case GL_DEPTH_TEST:
if (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:
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_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_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-side 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_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;
/* 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;
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);
}
