gallium: decrease the size of pipe_rasterizer_state - 36 -> 32 bytes

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index ce19b9292c569cd0c8f443fd4abdd7e2d365b71a..5d995dcc1641c9a9e209ca2a56c96d0170b708c6 100644 (file)
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -158,7 +158,13 @@ struct pipe_rasterizer_state
    unsigned line_stipple_factor:8;  /**< [1..256] actually */
    unsigned line_stipple_pattern:16;
 
-   uint32_t sprite_coord_enable; /* referring to 32 TEXCOORD/GENERIC inputs */
+   /**
+    * Replace the given TEXCOORD inputs with point coordinates, max. 8 inputs.
+    * If TEXCOORD (including PCOORD) are unsupported, replace GENERIC inputs
+    * instead. Max. 9 inputs: 8x GENERIC to emulate TEXCOORD, and 1x GENERIC
+    * to emulate PCOORD.
+    */
+   uint16_t sprite_coord_enable; /* 0-7: TEXCOORD/GENERIC, 8: PCOORD */
 
    float line_width;
    float point_size;           /**< used when no per-vertex size */