diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_fs_exec.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_fs_exec.c | 29 |
1 files changed, 24 insertions, 5 deletions
diff --git a/src/gallium/drivers/softpipe/sp_fs_exec.c b/src/gallium/drivers/softpipe/sp_fs_exec.c index 701ee4c72f..ffc0c5e578 100644 --- a/src/gallium/drivers/softpipe/sp_fs_exec.c +++ b/src/gallium/drivers/softpipe/sp_fs_exec.c @@ -39,11 +39,20 @@ #include "tgsi/tgsi_exec.h" #include "tgsi/tgsi_parse.h" -struct sp_exec_fragment_shader { +struct sp_exec_fragment_shader +{ struct sp_fragment_shader base; + struct tgsi_token *machine_tokens; }; +/** cast wrapper */ +static INLINE struct sp_exec_fragment_shader * +sp_exec_fragment_shader(struct sp_fragment_shader *base) +{ + return (struct sp_exec_fragment_shader *) base; +} + /** * Compute quad X,Y,Z,W for the four fragments in a quad. @@ -86,10 +95,20 @@ exec_prepare( const struct sp_fragment_shader *base, struct tgsi_exec_machine *machine, struct tgsi_sampler *samplers ) { - tgsi_exec_machine_bind_shader( machine, - base->shader.tokens, - PIPE_MAX_SAMPLERS, - samplers ); + struct sp_exec_fragment_shader *spefs = + sp_exec_fragment_shader(base); + + /* + * Bind tokens/shader to the interpreter's machine state. + * Avoid redundant binding. + */ + if (spefs->machine_tokens != base->shader.tokens) { + tgsi_exec_machine_bind_shader( machine, + base->shader.tokens, + PIPE_MAX_SAMPLERS, + samplers ); + spefs->machine_tokens = base->shader.tokens; + } } |