diff options
Diffstat (limited to 'src/mesa/main/colortab.c')
| -rw-r--r-- | src/mesa/main/colortab.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c index 5a7de5f209..5447eb18ef 100644 --- a/src/mesa/main/colortab.c +++ b/src/mesa/main/colortab.c @@ -31,6 +31,7 @@ #include "macros.h" #include "state.h" #include "teximage.h" +#include "texstate.h" /** @@ -278,7 +279,7 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat, static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 }; static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 }; GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); struct gl_texture_object *texObj = NULL; struct gl_color_table *table = NULL; GLboolean proxy = GL_FALSE; @@ -443,7 +444,7 @@ _mesa_ColorSubTable( GLenum target, GLsizei start, static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 }; static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 }; GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); struct gl_texture_object *texObj = NULL; struct gl_color_table *table = NULL; const GLfloat *scale = one, *bias = zero; @@ -542,7 +543,10 @@ _mesa_CopyColorTable(GLenum target, GLenum internalformat, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - /* Select buffer to read from */ + if (!ctx->ReadBuffer->_ColorReadBuffer) { + return; /* no readbuffer - OK */ + } + ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width ); } @@ -555,6 +559,10 @@ _mesa_CopyColorSubTable(GLenum target, GLsizei start, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + if (!ctx->ReadBuffer->_ColorReadBuffer) { + return; /* no readbuffer - OK */ + } + ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width ); } @@ -565,7 +573,7 @@ _mesa_GetColorTable( GLenum target, GLenum format, GLenum type, GLvoid *data ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); struct gl_color_table *table = NULL; GLfloat rgba[MAX_COLOR_TABLE_SIZE][4]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); @@ -766,7 +774,7 @@ void GLAPIENTRY _mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); struct gl_color_table *table = NULL; ASSERT_OUTSIDE_BEGIN_END(ctx); @@ -893,7 +901,7 @@ void GLAPIENTRY _mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); struct gl_color_table *table = NULL; ASSERT_OUTSIDE_BEGIN_END(ctx); |