From: Marek Olšák <marek.ol...@amd.com>
---
src/mesa/state_tracker/st_atom_sampler.c | 79 +++++++++++++-------------------
1 file changed, 31 insertions(+), 48 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_sampler.c
b/src/mesa/state_tracker/st_atom_sampler.c
index 9695069..ea231f3 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -51,85 +51,68 @@
#include "util/u_format.h"
/**
* Convert GLenum texcoord wrap tokens to pipe tokens.
*/
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] = {
+ PIPE_TEX_WRAP_CLAMP,
+ PIPE_TEX_WRAP_REPEAT,
+ PIPE_TEX_WRAP_MIRROR_CLAMP,
+ PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ PIPE_TEX_WRAP_CLAMP_TO_BORDER,
+ 0,
+ PIPE_TEX_WRAP_CLAMP_TO_EDGE,
+ PIPE_TEX_WRAP_MIRROR_REPEAT,
+ 0,
+ 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;
}
/**
* Convert a gl_sampler_object to a pipe_sampler_state object.
*/
void
st_convert_sampler(const struct st_context *st,
const struct gl_texture_object *texobj,
const struct gl_sampler_object *msamp,
--
2.7.4
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