diff options
| -rw-r--r-- | src/mesa/main/formats.c | 31 | ||||
| -rw-r--r-- | src/mesa/main/formats.h | 4 |
2 files changed, 35 insertions, 0 deletions
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c index 5c2bf5ece3..62a2d70744 100644 --- a/src/mesa/main/formats.c +++ b/src/mesa/main/formats.c @@ -24,6 +24,7 @@ */ +#include "imports.h" #include "formats.h" #include "config.h" #include "texstore.h" @@ -785,3 +786,33 @@ _mesa_format_to_type_and_comps2(gl_format format, } } + +GLint +_mesa_get_format_bits(gl_format format, GLenum pname) +{ + const struct gl_format_info *info = _mesa_get_format_info(format); + + switch (pname) { + case GL_TEXTURE_RED_SIZE: + return info->RedBits; + case GL_TEXTURE_GREEN_SIZE: + return info->GreenBits; + case GL_TEXTURE_BLUE_SIZE: + return info->BlueBits; + case GL_TEXTURE_ALPHA_SIZE: + return info->AlphaBits; + case GL_TEXTURE_INTENSITY_SIZE: + return info->IntensityBits; + case GL_TEXTURE_LUMINANCE_SIZE: + return info->LuminanceBits; + case GL_TEXTURE_INDEX_SIZE_EXT: + return info->IndexBits; + case GL_TEXTURE_DEPTH_SIZE_ARB: + return info->DepthBits; + case GL_TEXTURE_STENCIL_SIZE_EXT: + return info->StencilBits; + default: + _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()"); + return 0; + } +} diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h index e79991ad41..441cf3eac6 100644 --- a/src/mesa/main/formats.h +++ b/src/mesa/main/formats.h @@ -208,6 +208,10 @@ extern void _mesa_format_to_type_and_comps2(gl_format format, GLenum *datatype, GLuint *comps); +extern GLint +_mesa_get_format_bits(gl_format format, GLenum pname); + + extern void _mesa_test_formats(void); |