+#define EASY_US_OUT_FMT(comps, c0, c1, c2, c3) \
+ (R500_OUT_FMT_##comps | R500_C0_SEL_##c0 | R500_C1_SEL_##c1 | \
+ R500_C2_SEL_##c2 | R500_C3_SEL_##c3)
+static void r300SetupUsOutputFormat(struct gl_context *ctx)
+{
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ uint32_t hw_format;
+ struct radeon_renderbuffer *rrb = radeon_get_colorbuffer(&rmesa->radeon);
+
+ if (!rrb) {
+ return;
+ }
+
+ switch (rrb->base.Format)
+ {
+ case MESA_FORMAT_RGBA5551:
+ case MESA_FORMAT_RGBA8888:
+ hw_format = EASY_US_OUT_FMT(C4_8, A, B, G, R);
+ break;
+ case MESA_FORMAT_RGB565_REV:
+ case MESA_FORMAT_RGBA8888_REV:
+ hw_format = EASY_US_OUT_FMT(C4_8, R, G, B, A);
+ break;
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_ARGB4444:
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_XRGB8888:
+ case MESA_FORMAT_ARGB8888:
+ hw_format = EASY_US_OUT_FMT(C4_8, B, G, R, A);
+ break;
+ case MESA_FORMAT_ARGB4444_REV:
+ case MESA_FORMAT_ARGB1555_REV:
+ case MESA_FORMAT_XRGB8888_REV:
+ case MESA_FORMAT_ARGB8888_REV:
+ hw_format = EASY_US_OUT_FMT(C4_8, A, R, G, B);
+ break;
+ case MESA_FORMAT_SRGBA8:
+ hw_format = EASY_US_OUT_FMT(C4_10_GAMMA, A, B, G, R);
+ break;
+ case MESA_FORMAT_SARGB8:
+ hw_format = EASY_US_OUT_FMT(C4_10_GAMMA, B, G, R, A);
+ break;
+ case MESA_FORMAT_SL8:
+ hw_format = EASY_US_OUT_FMT(C4_10_GAMMA, A, A, R, A);
+ break;
+ case MESA_FORMAT_A8:
+ hw_format = EASY_US_OUT_FMT(C4_8, A, A, A, A);
+ break;
+ case MESA_FORMAT_L8:
+ case MESA_FORMAT_I8:
+ hw_format = EASY_US_OUT_FMT(C4_8, A, A, R, A);
+ break;
+ default:
+ assert(!"Unsupported format");
+ hw_format = 0;
+ break;
+ }
+
+ R300_STATECHANGE(rmesa, us_out_fmt);
+ rmesa->hw.us_out_fmt.cmd[1] = hw_format;
+}
+#undef EASY_US_OUT_FMT
+