summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/freedreno/a2xx/fd2_blend.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/freedreno/a2xx/fd2_blend.c')
-rw-r--r--src/gallium/drivers/freedreno/a2xx/fd2_blend.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/src/gallium/drivers/freedreno/a2xx/fd2_blend.c b/src/gallium/drivers/freedreno/a2xx/fd2_blend.c
index d0b324d7fe3..b3cb23977b1 100644
--- a/src/gallium/drivers/freedreno/a2xx/fd2_blend.c
+++ b/src/gallium/drivers/freedreno/a2xx/fd2_blend.c
@@ -34,6 +34,27 @@
#include "fd2_context.h"
#include "fd2_util.h"
+
+static enum a2xx_rb_blend_opcode
+blend_func(unsigned func)
+{
+ switch (func) {
+ case PIPE_BLEND_ADD:
+ return BLEND_DST_PLUS_SRC;
+ case PIPE_BLEND_MIN:
+ return BLEND_MIN_DST_SRC;
+ case PIPE_BLEND_MAX:
+ return BLEND_MAX_DST_SRC;
+ case PIPE_BLEND_SUBTRACT:
+ return BLEND_SRC_MINUS_DST;
+ case PIPE_BLEND_REVERSE_SUBTRACT:
+ return BLEND_DST_MINUS_SRC;
+ default:
+ DBG("invalid blend func: %x", func);
+ return 0;
+ }
+}
+
void *
fd2_blend_state_create(struct pipe_context *pctx,
const struct pipe_blend_state *cso)
@@ -61,10 +82,10 @@ fd2_blend_state_create(struct pipe_context *pctx,
so->rb_blendcontrol =
A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND(fd_blend_factor(rt->rgb_src_factor)) |
- A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(fd_blend_func(rt->rgb_func)) |
+ 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)) |
A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(fd_blend_factor(rt->alpha_src_factor)) |
- A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(fd_blend_func(rt->alpha_func)) |
+ 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));
if (rt->colormask & PIPE_MASK_R)