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| author | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-07-01 20:54:01 -0400 |
|---|---|---|
| committer | Ilia Mirkin <imirkin@alum.mit.edu> | 2014-07-09 19:26:32 -0400 |
| commit | 4c97ed4411e3653a082875b79587fb308c284a99 (patch) | |
| tree | bc6f1666166da83a51525f6460d49c7d6d473166 /src/gallium/include/pipe/p_shader_tokens.h | |
| parent | e3b16294cb56bc0f3ee4a68a525884db0ce6806d (diff) | |
| download | external_mesa3d-4c97ed4411e3653a082875b79587fb308c284a99.zip external_mesa3d-4c97ed4411e3653a082875b79587fb308c284a99.tar.gz external_mesa3d-4c97ed4411e3653a082875b79587fb308c284a99.tar.bz2 | |
gallium: switch dedicated centroid field to interpolation location
The new location field can be either center, centroid, or sample, which
indicates the location that the shader should interpolate at.
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Diffstat (limited to 'src/gallium/include/pipe/p_shader_tokens.h')
| -rw-r--r-- | src/gallium/include/pipe/p_shader_tokens.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h index 9261b79..e68258d 100644 --- a/src/gallium/include/pipe/p_shader_tokens.h +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -103,6 +103,11 @@ enum tgsi_file_type { #define TGSI_INTERPOLATE_COLOR 3 /* special color case for smooth/flat */ #define TGSI_INTERPOLATE_COUNT 4 +#define TGSI_INTERPOLATE_LOC_CENTER 0 +#define TGSI_INTERPOLATE_LOC_CENTROID 1 +#define TGSI_INTERPOLATE_LOC_SAMPLE 2 +#define TGSI_INTERPOLATE_LOC_COUNT 3 + #define TGSI_CYLINDRICAL_WRAP_X (1 << 0) #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1) #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2) @@ -138,9 +143,9 @@ struct tgsi_declaration_dimension struct tgsi_declaration_interp { unsigned Interpolate : 4; /**< one of TGSI_INTERPOLATE_x */ - unsigned Centroid : 1; /**< centroid sampling? */ + unsigned Location : 2; /**< one of TGSI_INTERPOLATE_LOC_x */ unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */ - unsigned Padding : 23; + unsigned Padding : 22; }; #define TGSI_SEMANTIC_POSITION 0 |