diff options
Diffstat (limited to 'src')
| -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)); |