diff options
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r-- | src/mesa/state_tracker/st_atom_sampler.c | 68 |
1 files changed, 20 insertions, 48 deletions
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c index 1ce5769c8cd..2481a72a55b 100644 --- a/src/mesa/state_tracker/st_atom_sampler.c +++ b/src/mesa/state_tracker/st_atom_sampler.c @@ -58,71 +58,43 @@ static GLuint gl_wrap_xlate(GLenum wrap) { - switch (wrap) { - case GL_REPEAT: - return PIPE_TEX_WRAP_REPEAT; - case GL_CLAMP: - return PIPE_TEX_WRAP_CLAMP; - case GL_CLAMP_TO_EDGE: - return PIPE_TEX_WRAP_CLAMP_TO_EDGE; - case GL_CLAMP_TO_BORDER: - return PIPE_TEX_WRAP_CLAMP_TO_BORDER; - case GL_MIRRORED_REPEAT: - return PIPE_TEX_WRAP_MIRROR_REPEAT; - case GL_MIRROR_CLAMP_EXT: - return PIPE_TEX_WRAP_MIRROR_CLAMP; - case GL_MIRROR_CLAMP_TO_EDGE_EXT: - return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE; - case GL_MIRROR_CLAMP_TO_BORDER_EXT: - return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER; - default: - assert(0); - return 0; - } + /* Take advantage of how the enums are defined. */ + static const unsigned table[32] = { + [GL_REPEAT & 0x1f] = PIPE_TEX_WRAP_REPEAT, + [GL_CLAMP & 0x1f] = PIPE_TEX_WRAP_CLAMP, + [GL_CLAMP_TO_EDGE & 0x1f] = PIPE_TEX_WRAP_CLAMP_TO_EDGE, + [GL_CLAMP_TO_BORDER & 0x1f] = PIPE_TEX_WRAP_CLAMP_TO_BORDER, + [GL_MIRRORED_REPEAT & 0x1f] = PIPE_TEX_WRAP_MIRROR_REPEAT, + [GL_MIRROR_CLAMP_EXT & 0x1f] = PIPE_TEX_WRAP_MIRROR_CLAMP, + [GL_MIRROR_CLAMP_TO_EDGE & 0x1f] = PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE, + [GL_MIRROR_CLAMP_TO_BORDER_EXT & 0x1f] = PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER, + }; + + return table[wrap & 0x1f]; } static GLuint gl_filter_to_mip_filter(GLenum filter) { - switch (filter) { - case GL_NEAREST: - case GL_LINEAR: + /* Take advantage of how the enums are defined. */ + if (filter <= GL_LINEAR) return PIPE_TEX_MIPFILTER_NONE; - - case GL_NEAREST_MIPMAP_NEAREST: - case GL_LINEAR_MIPMAP_NEAREST: + if (filter <= GL_LINEAR_MIPMAP_NEAREST) return PIPE_TEX_MIPFILTER_NEAREST; - case GL_NEAREST_MIPMAP_LINEAR: - case GL_LINEAR_MIPMAP_LINEAR: - return PIPE_TEX_MIPFILTER_LINEAR; - - default: - assert(0); - return PIPE_TEX_MIPFILTER_NONE; - } + return PIPE_TEX_MIPFILTER_LINEAR; } static GLuint gl_filter_to_img_filter(GLenum filter) { - switch (filter) { - case GL_NEAREST: - case GL_NEAREST_MIPMAP_NEAREST: - case GL_NEAREST_MIPMAP_LINEAR: - return PIPE_TEX_FILTER_NEAREST; - - case GL_LINEAR: - case GL_LINEAR_MIPMAP_NEAREST: - case GL_LINEAR_MIPMAP_LINEAR: + /* Take advantage of how the enums are defined. */ + if (filter & 1) return PIPE_TEX_FILTER_LINEAR; - default: - assert(0); - return PIPE_TEX_FILTER_NEAREST; - } + return PIPE_TEX_FILTER_NEAREST; } |