Compose swizzles using util_format_compose_swizzles instead
of the custom code (which somehow had a bug).
This makes the GL_ALPHA internal format work.
Signed-off-by: Wladimir J. van der Laan <laa...@gmail.com>
---
src/gallium/drivers/freedreno/a2xx/fd2_util.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/src/gallium/drivers/freedreno/a2xx/fd2_util.c
b/src/gallium/drivers/freedreno/a2xx/fd2_util.c
index 0bdcfcd..25f2bf4 100644
--- a/src/gallium/drivers/freedreno/a2xx/fd2_util.c
+++ b/src/gallium/drivers/freedreno/a2xx/fd2_util.c
@@ -309,14 +309,14 @@ fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r,
unsigned swizzle_g,
{
const struct util_format_description *desc =
util_format_description(format);
- uint8_t swiz[] = {
- swizzle_r, swizzle_g, swizzle_b, swizzle_a,
- PIPE_SWIZZLE_0, PIPE_SWIZZLE_1,
- PIPE_SWIZZLE_1, PIPE_SWIZZLE_1,
- };
+ unsigned char swiz[4] = {
+ swizzle_r, swizzle_g, swizzle_b, swizzle_a,
+ }, rswiz[4];
- return A2XX_SQ_TEX_3_SWIZ_X(tex_swiz(swiz[desc->swizzle[0]])) |
- A2XX_SQ_TEX_3_SWIZ_Y(tex_swiz(swiz[desc->swizzle[1]])) |
- A2XX_SQ_TEX_3_SWIZ_Z(tex_swiz(swiz[desc->swizzle[2]])) |
- A2XX_SQ_TEX_3_SWIZ_W(tex_swiz(swiz[desc->swizzle[3]]));
+ util_format_compose_swizzles(desc->swizzle, swiz, rswiz);
+
+ return A2XX_SQ_TEX_3_SWIZ_X(tex_swiz(rswiz[0])) |
+ A2XX_SQ_TEX_3_SWIZ_Y(tex_swiz(rswiz[1])) |
+ A2XX_SQ_TEX_3_SWIZ_Z(tex_swiz(rswiz[2])) |
+ A2XX_SQ_TEX_3_SWIZ_W(tex_swiz(rswiz[3]));
}
--
2.7.4
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