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r300g: add one more ZTOP disable bit. 

Still missing the frag uses kill support, hopefully nha can point that out.
This commit is contained in:
Dave Airlie 2009-10-14 18:05:14 +10:00
parent 51d1cf55da
commit ce5cba040c
2 changed files with 9 additions and 1 deletions
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6
src/gallium/drivers/r300/r300_fs.h
View File

@ -48,4 +48,10 @@ struct r300_fragment_shader {
void r300_translate_fragment_shader(struct r300_context* r300,
struct r300_fragment_shader* fs);
static inline boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs)
{
if (!fs)
return FALSE;
return (fs->code.writes_depth) ? TRUE : FALSE;
}
#endif /* R300_FS_H */

4
src/gallium/drivers/r300/r300_state.c
View File

@ -252,9 +252,11 @@ static void*
dsa->z_buffer_top = R300_ZTOP_ENABLE;
/* XXX TODO: add frag prog rules for ztop disable */
if (r300_fragment_shader_writes_depth(r300->fs))
dsa->z_buffer_top = R300_ZTOP_DISABLE;
if (state->alpha.enabled && state->alpha.func != PIPE_FUNC_ALWAYS)
dsa->z_buffer_top = R300_ZTOP_DISABLE;
if (!is_empty_list(&r300->query_list))
if (r300->query_current)
dsa->z_buffer_top = R300_ZTOP_DISABLE;
return (void*)dsa;