draw: Add EMIT_4UB_BGRA format

Needed for i915g, also fixed swizzle in draw_vs_aos_io.

3 files changed, 18 insertions, 8 deletions

diff --git a/src/gallium/auxiliary/draw/draw_vertex.c b/src/gallium/auxiliary/draw/draw_vertex.c
index 18921ad717..a4f5e882c0 100644
--- a/src/gallium/auxiliary/draw/draw_vertex.c
+++ b/src/gallium/auxiliary/draw/draw_vertex.c
@@ -102,6 +102,13 @@ draw_dump_emitted_vertex(const struct vertex_info *vinfo, const uint8_t *data)
          debug_printf("%u ", *data++);
          debug_printf("%u ", *data++);
          break;
+      case EMIT_4UB_BGRA:
+         debug_printf("EMIT_4UB_BGRA:\t");
+         debug_printf("%u ", *data++);
+         debug_printf("%u ", *data++);
+         debug_printf("%u ", *data++);
+         debug_printf("%u ", *data++);
+         break;
       default:
          assert(0);
       }
diff --git a/src/gallium/auxiliary/draw/draw_vertex.h b/src/gallium/auxiliary/draw/draw_vertex.h
index 24c5a48b2e..ca27237126 100644
--- a/src/gallium/auxiliary/draw/draw_vertex.h
+++ b/src/gallium/auxiliary/draw/draw_vertex.h
@@ -54,7 +54,8 @@ enum attrib_emit {
    EMIT_2F,
    EMIT_3F,
    EMIT_4F,
-   EMIT_4UB  /**< XXX may need variations for RGBA vs BGRA, etc */
+   EMIT_4UB, /**< is RGBA like the rest */
+   EMIT_4UB_BGRA
 };
 
 
@@ -157,6 +158,8 @@ static INLINE unsigned draw_translate_vinfo_format(enum attrib_emit emit)
       return PIPE_FORMAT_R32G32B32A32_FLOAT;
    case EMIT_4UB:
       return PIPE_FORMAT_R8G8B8A8_UNORM;
+   case EMIT_4UB_BGRA:
+      return PIPE_FORMAT_B8G8R8A8_UNORM;
    default:
       assert(!"unexpected format");
       return PIPE_FORMAT_NONE;
@@ -179,6 +182,8 @@ static INLINE unsigned draw_translate_vinfo_size(enum attrib_emit emit)
       return 4 * sizeof(float);
    case EMIT_4UB:
       return 4 * sizeof(unsigned char);
+   case EMIT_4UB_BGRA:
+      return 4 * sizeof(unsigned char);
    default:
       assert(!"unexpected format");
       return 0;
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos_io.c b/src/gallium/auxiliary/draw/draw_vs_aos_io.c
index ece1ddde0c..8f8bbe7cb8 100644
--- a/src/gallium/auxiliary/draw/draw_vs_aos_io.c
+++ b/src/gallium/auxiliary/draw/draw_vs_aos_io.c
@@ -401,13 +401,11 @@ static boolean emit_output( struct aos_compilation *cp,
       emit_store_R32G32B32A32(cp, ptr, dataXMM);
       break;
    case EMIT_4UB:
-      if (1) {
-         emit_swizzle(cp, dataXMM, dataXMM, SHUF(Z,Y,X,W));
-         emit_store_R8G8B8A8_UNORM(cp, ptr, dataXMM);
-      }
-      else {
-         emit_store_R8G8B8A8_UNORM(cp, ptr, dataXMM);
-      }
+      emit_store_R8G8B8A8_UNORM(cp, ptr, dataXMM);
+      break;
+   case EMIT_4UB_BGRA:
+      emit_swizzle(cp, dataXMM, dataXMM, SHUF(Z,Y,X,W));
+      emit_store_R8G8B8A8_UNORM(cp, ptr, dataXMM);
       break;
    default:
       AOS_ERROR(cp, "unhandled output format");