diff options
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_quad.h | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad.h b/src/gallium/drivers/softpipe/sp_quad.h index 0ef425a310f..bd6c6cb9123 100644 --- a/src/gallium/drivers/softpipe/sp_quad.h +++ b/src/gallium/drivers/softpipe/sp_quad.h @@ -34,6 +34,7 @@ #include "pipe/p_state.h" #include "tgsi/tgsi_exec.h" + #define QUAD_PRIM_POINT 1 #define QUAD_PRIM_LINE 2 #define QUAD_PRIM_TRI 3 @@ -56,23 +57,29 @@ /** - * Encodes everything we need to know about a 2x2 pixel block. Uses - * "Channel-Serial" or "SoA" layout. + * Quad stage inputs (pos, coverage, front/back face, etc) */ struct quad_header_input { - int x0; - int y0; - float coverage[QUAD_SIZE]; /** fragment coverage for antialiasing */ - unsigned facing:1; /**< Front (0) or back (1) facing? */ - unsigned prim:2; /**< QUAD_PRIM_POINT, LINE, TRI */ + int x0, y0; /**< quad window pos, always even */ + float coverage[QUAD_SIZE]; /**< fragment coverage for antialiasing */ + unsigned facing:1; /**< Front (0) or back (1) facing? */ + unsigned prim:2; /**< QUAD_PRIM_POINT, LINE, TRI */ }; + +/** + * Quad stage inputs/outputs. + */ struct quad_header_inout { unsigned mask:4; }; + +/** + * Quad stage outputs (color & depth). + */ struct quad_header_output { /** colors in SOA format (rrrr, gggg, bbbb, aaaa) */ @@ -80,6 +87,11 @@ struct quad_header_output float depth[QUAD_SIZE]; }; + +/** + * Encodes everything we need to know about a 2x2 pixel block. Uses + * "Channel-Serial" or "SoA" layout. + */ struct quad_header { struct quad_header_input input; struct quad_header_inout inout; |