diff options
| author | Jonathan Marek <[email protected]> | 2019-09-04 22:36:00 -0400 |
|---|---|---|
| committer | Jonathan Marek <[email protected]> | 2019-09-06 02:24:29 +0000 |
| commit | ac4ca24c32bc4a1821790b5d2fdbf201680d3e67 (patch) | |
| tree | 215deb881daead88d523fead81719eab9effe516 | |
| parent | 80906a12d98740bd838f4b4c1cfc9931e4e59322 (diff) | |
freedreno/a2xx: fix SRC_ALPHA_SATURATE for alpha blend function
Fixes failures in the following deqp tests:
dEQP-GLES2.functional.fragment_ops.*src_alpha_saturate*
Signed-off-by: Jonathan Marek <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
| -rw-r--r-- | src/gallium/drivers/freedreno/a2xx/fd2_blend.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/a2xx/fd2_blend.c b/src/gallium/drivers/freedreno/a2xx/fd2_blend.c index 223eec9f592..8e03e840fcb 100644 --- a/src/gallium/drivers/freedreno/a2xx/fd2_blend.c +++ b/src/gallium/drivers/freedreno/a2xx/fd2_blend.c @@ -83,8 +83,13 @@ fd2_blend_state_create(struct pipe_context *pctx, A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(blend_func(rt->rgb_func)) | A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND(fd_blend_factor(rt->rgb_dst_factor)); + /* hardware doesn't support SRC_ALPHA_SATURATE for alpha, but it is equivalent to ONE */ + unsigned alpha_src_factor = rt->alpha_src_factor; + if (alpha_src_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) + alpha_src_factor = PIPE_BLENDFACTOR_ONE; + so->rb_blendcontrol_alpha = - A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(fd_blend_factor(rt->alpha_src_factor)) | + A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(fd_blend_factor(alpha_src_factor)) | A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(blend_func(rt->alpha_func)) | A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND(fd_blend_factor(rt->alpha_dst_factor)); |