fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 18:18:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

tgsi: detect prim id and front face usage in fs

Browse source 
Adding code to detect the usage of prim id and front face
semantics in fragment shaders.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Zack Rusin 2013-08-02 01:24:41 -04:00
parent 2da1daaa4e
commit 36096af026
2 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/gallium/auxiliary/tgsi/tgsi_scan.c
View file

@ -166,9 +166,14 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap;
info->num_inputs++;
if (procType == TGSI_PROCESSOR_FRAGMENT &&
fulldecl->Semantic.Name == TGSI_SEMANTIC_POSITION)
if (procType == TGSI_PROCESSOR_FRAGMENT) {
if (fulldecl->Semantic.Name == TGSI_SEMANTIC_POSITION)
info->reads_position = TRUE;
else if (fulldecl->Semantic.Name == TGSI_SEMANTIC_PRIMID)
info->uses_primid = TRUE;
else if (fulldecl->Semantic.Name == TGSI_SEMANTIC_FACE)
info->uses_frontface = TRUE;
}
}
else if (file == TGSI_FILE_SYSTEM_VALUE) {
unsigned index = fulldecl->Range.First;

1
src/gallium/auxiliary/tgsi/tgsi_scan.h
View file

@ -74,6 +74,7 @@ struct tgsi_shader_info
boolean uses_instanceid;
boolean uses_vertexid;
boolean uses_primid;
boolean uses_frontface;
boolean origin_lower_left;
boolean pixel_center_integer;
boolean color0_writes_all_cbufs;