diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_sampler.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_pipe_sampler.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_sampler.c b/src/gallium/drivers/i965/brw_pipe_sampler.c index bc20eef6fb2..08a5d220097 100644 --- a/src/gallium/drivers/i965/brw_pipe_sampler.c +++ b/src/gallium/drivers/i965/brw_pipe_sampler.c @@ -9,6 +9,38 @@ +/* The brw (and related graphics cores) do not support GL_CLAMP. The + * Intel drivers for "other operating systems" implement GL_CLAMP as + * GL_CLAMP_TO_EDGE, so the same is done here. + */ +static GLuint translate_wrap_mode( unsigned wrap ) +{ + switch( wrap ) { + case PIPE_TEX_WRAP_REPEAT: + return BRW_TEXCOORDMODE_WRAP; + + case PIPE_TEX_WRAP_CLAMP: + case PIPE_TEX_WRAP_CLAMP_TO_EDGE: + return BRW_TEXCOORDMODE_CLAMP; + + case PIPE_TEX_WRAP_CLAMP_TO_BORDER: + return BRW_TEXCOORDMODE_CLAMP_BORDER; + + case PIPE_TEX_WRAP_MIRROR_REPEAT: + return BRW_TEXCOORDMODE_MIRROR; + + case PIPE_TEX_WRAP_MIRROR_CLAMP: + case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE: + case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER: + return BRW_TEXCOORDMODE_MIRROR_ONCE; + + default: + return BRW_TEXCOORDMODE_WRAP; + } +} + + + static void *brw_create_sampler_state( struct pipe_context *pipe, const struct pipe_sampler_state *templ ) { |