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-rw-r--r--src/gallium/state_trackers/xorg/xorg_composite.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c
index f696b72e1e3..61ba6bdddf7 100644
--- a/src/gallium/state_trackers/xorg/xorg_composite.c
+++ b/src/gallium/state_trackers/xorg/xorg_composite.c
@@ -4,6 +4,7 @@
#include "xorg_exa_tgsi.h"
#include "cso_cache/cso_context.h"
+#include "util/u_format.h"
#include "util/u_sampler.h"
@@ -52,18 +53,17 @@ static const struct xorg_composite_blend xorg_blends[] = {
static INLINE void
-pixel_to_float4(Pixel pixel, float *color)
+pixel_to_float4(Pixel pixel, float *color, enum pipe_format format)
{
- CARD32 r, g, b, a;
-
- a = (pixel >> 24) & 0xff;
- r = (pixel >> 16) & 0xff;
- g = (pixel >> 8) & 0xff;
- b = (pixel >> 0) & 0xff;
- color[0] = ((float)r) / 255.;
- color[1] = ((float)g) / 255.;
- color[2] = ((float)b) / 255.;
- color[3] = ((float)a) / 255.;
+ const struct util_format_description *format_desc;
+ uint8_t packed[4];
+
+ format_desc = util_format_description(format);
+ packed[0] = pixel;
+ packed[1] = pixel >> 8;
+ packed[2] = pixel >> 16;
+ packed[3] = pixel >> 24;
+ format_desc->unpack_rgba_float(color, 0, packed, 0, 1, 1);
}
static boolean
@@ -311,7 +311,7 @@ bind_shaders(struct exa_context *exa, int op,
vs_traits |= VS_SOLID_FILL;
debug_assert(pSrcPicture->format == PICT_a8r8g8b8);
pixel_to_float4(pSrcPicture->pSourcePict->solidFill.color,
- exa->solid_color);
+ exa->solid_color, PIPE_FORMAT_B8G8R8A8_UNORM);
exa->has_solid_color = TRUE;
} else {
debug_assert("!gradients not supported");
@@ -533,7 +533,7 @@ boolean xorg_solid_bind_state(struct exa_context *exa,
unsigned vs_traits, fs_traits;
struct xorg_shader shader;
- pixel_to_float4(fg, exa->solid_color);
+ pixel_to_float4(fg, exa->solid_color, pixmap->tex->format);
exa->has_solid_color = TRUE;
#if 0