diff options
author | Zack Rusin <[email protected]> | 2009-07-01 10:42:58 -0400 |
---|---|---|
committer | Zack Rusin <[email protected]> | 2009-07-01 10:45:55 -0400 |
commit | 1c04731b8721850b6abb12a43a3eec616b850e86 (patch) | |
tree | 1b172fcb4b651718b39a613c2267b76b457ccf8e /src/gallium/drivers/softpipe/sp_setup.c | |
parent | e8c4663c11cfbb80ed23b1581cf1f3ccaef28bce (diff) |
gallium: fix the front face semantics
mesa allocates both frontface and pointcoord registers within the fog
coordinate register, by using swizzling. to make it cleaner and easier
for drivers we want each of them in its own register. so when doing
compilation from the mesa IR to tgsi allocate new registers for both
and add new semantics to the respective declarations.
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_setup.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index e5be65242d6..1eb23cd6b6f 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -785,11 +785,10 @@ static void setup_tri_coefficients( struct setup_context *setup ) assert(0); } - if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) { - /* FOG.y = front/back facing XXX fix this */ - setup->coef[fragSlot].a0[1] = 1.0f - setup->quad.input.facing; - setup->coef[fragSlot].dadx[1] = 0.0; - setup->coef[fragSlot].dady[1] = 0.0; + if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { + setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing; + setup->coef[fragSlot].dadx[0] = 0.0; + setup->coef[fragSlot].dady[0] = 0.0; } } } @@ -1096,11 +1095,10 @@ setup_line_coefficients(struct setup_context *setup, assert(0); } - if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) { - /* FOG.y = front/back facing XXX fix this */ - setup->coef[fragSlot].a0[1] = 1.0f - setup->quad.input.facing; - setup->coef[fragSlot].dadx[1] = 0.0; - setup->coef[fragSlot].dady[1] = 0.0; + if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { + setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing; + setup->coef[fragSlot].dadx[0] = 0.0; + setup->coef[fragSlot].dady[0] = 0.0; } } return TRUE; @@ -1342,11 +1340,10 @@ setup_point( struct setup_context *setup, assert(0); } - if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) { - /* FOG.y = front/back facing XXX fix this */ - setup->coef[fragSlot].a0[1] = 1.0f - setup->quad.input.facing; - setup->coef[fragSlot].dadx[1] = 0.0; - setup->coef[fragSlot].dady[1] = 0.0; + if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) { + setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing; + setup->coef[fragSlot].dadx[0] = 0.0; + setup->coef[fragSlot].dady[0] = 0.0; } } |