diff options
| author | Rob Clark <robclark@freedesktop.org> | 2014-10-03 10:08:59 -0400 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2014-10-29 17:44:22 +0000 |
| commit | bce2d42ddb65ccb41a50c83e86f14df899e56a4c (patch) | |
| tree | 4d191faf637239e2869dfc4c5e68707128709fd2 /src | |
| parent | 7e81f4a7e7b7d6c5d2f6f8fdd2c4735a1622c80e (diff) | |
freedreno/a3xx: handle VS only outputting BCOLOR
Possibly we should map the front color to black (zeroes). But not sure
there is a way to do that without generating a shader variant.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
(cherry picked from commit a262c601d363aea2e6680df527e207cc9d5e235f)
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_program.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_program.c b/src/gallium/drivers/freedreno/a3xx/fd3_program.c index d2a32486781..64c9668129b 100644 --- a/src/gallium/drivers/freedreno/a3xx/fd3_program.c +++ b/src/gallium/drivers/freedreno/a3xx/fd3_program.c @@ -140,13 +140,21 @@ find_output(const struct ir3_shader_variant *so, ir3_semantic semantic) * in the vertex shader.. but the fragment shader doesn't know this * so it will always have both IN.COLOR[n] and IN.BCOLOR[n]. So * at link time if there is no matching OUT.BCOLOR[n], we must map - * OUT.COLOR[n] to IN.BCOLOR[n]. + * OUT.COLOR[n] to IN.BCOLOR[n]. And visa versa if there is only + * a OUT.BCOLOR[n] but no matching OUT.COLOR[n] */ if (sem2name(semantic) == TGSI_SEMANTIC_BCOLOR) { unsigned idx = sem2idx(semantic); - return find_output(so, ir3_semantic_name(TGSI_SEMANTIC_COLOR, idx)); + semantic = ir3_semantic_name(TGSI_SEMANTIC_COLOR, idx); + } else if (sem2name(semantic) == TGSI_SEMANTIC_COLOR) { + unsigned idx = sem2idx(semantic); + semantic = ir3_semantic_name(TGSI_SEMANTIC_BCOLOR, idx); } + for (j = 0; j < so->outputs_count; j++) + if (so->outputs[j].semantic == semantic) + return j; + debug_assert(0); return 0; |