/*
* Mesa 3-D graphics library
- * Version: 7.0.3
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
#include "glheader.h"
+#include "clip.h"
#include "context.h"
#include "enable.h"
#include "light.h"
/**
* 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.
+ * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
+ * texture unit is higher than the number of supported coordinate units.
*/
static struct gl_texture_unit *
get_texcoord_unit(struct gl_context *ctx)
break;
case GL_BLEND:
{
- GLbitfield newEnabled = state * ((1 << ctx->Const.MaxDrawBuffers) - 1);
+ 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:
+ 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_PLANE0;
+ const GLuint p = cap - GL_CLIP_DISTANCE0;
- if ((ctx->Transform.ClipPlanesEnabled & (1 << p)) == ((GLuint) state << p))
+ 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);
-
- 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 );
+ _mesa_update_clip_plane(ctx, p);
}
else {
ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
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->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);
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;
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:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
{
struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
if (texUnit) {
- GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT;
+ GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
+ GLbitfield newenabled = texUnit->TexGenEnabled & ~coordBit;
if (state)
- newenabled |= T_BIT;
+ newenabled |= coordBit;
if (texUnit->TexGenEnabled == newenabled)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
break;
#endif
- /*
- * CLIENT STATE!!!
- */
+ /* client-side state */
case GL_VERTEX_ARRAY:
case GL_NORMAL_ARRAY:
case GL_COLOR_ARRAY:
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);
case GL_TEXTURE_CUBE_MAP_SEAMLESS:
CHECK_EXTENSION(ARB_seamless_cube_map, cap);
- ctx->Texture.CubeMapSeamless = state;
+ if (ctx->Texture.CubeMapSeamless != state) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ 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);
+ ctx->TransformFeedback.RasterDiscard = state;
}
break;
#endif
* Enable/disable an indexed state var.
*/
void
-_mesa_set_enablei(struct gl_context *ctx, GLenum cap, GLuint index, GLboolean state)
+_mesa_set_enablei(struct gl_context *ctx, GLenum cap,
+ GLuint index, GLboolean state)
{
ASSERT(state == 0 || state == 1);
switch (cap) {
_mesa_IsEnabledIndexed( GLenum cap, GLuint index )
{
GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
switch (cap) {
case GL_BLEND:
if (index >= ctx->Const.MaxDrawBuffers) {
_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;
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_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:
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_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:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
{
const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
if (texUnit) {
- return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE;
+ GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
+ return (texUnit->TexGenEnabled & coordBit) ? GL_TRUE : GL_FALSE;
}
}
return GL_FALSE;
{
const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
if (texUnit) {
- return (texUnit->TexGenEnabled & STR_BITS) == STR_BITS ? GL_TRUE : GL_FALSE;
+ return (texUnit->TexGenEnabled & STR_BITS) == STR_BITS
+ ? GL_TRUE : GL_FALSE;
}
}
#endif
- /*
- * CLIENT STATE!!!
- */
+ /* client-side state */
case GL_VERTEX_ARRAY:
return (ctx->Array.ArrayObj->Vertex.Enabled != 0);
case GL_NORMAL_ARRAY:
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);
+ 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:
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);
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