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-rw-r--r--src/gallium/state_trackers/vega/shader.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/shader.c b/src/gallium/state_trackers/vega/shader.c
index 92d3f5549e9..0ed721376cf 100644
--- a/src/gallium/state_trackers/vega/shader.c
+++ b/src/gallium/state_trackers/vega/shader.c
@@ -39,6 +39,7 @@
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
+#include "util/u_format.h"
#define MAX_CONSTANTS 28
@@ -133,10 +134,16 @@ static VGboolean blend_use_shader(struct vg_context *ctx)
VGboolean advanced_blending;
switch (ctx->state.vg.blend_mode) {
+ case VG_BLEND_SRC_OVER:
+ advanced_blending =
+ util_format_has_alpha(ctx->draw_buffer->strb->format);
+ break;
+ case VG_BLEND_DST_OVER:
case VG_BLEND_MULTIPLY:
case VG_BLEND_SCREEN:
case VG_BLEND_DARKEN:
case VG_BLEND_LIGHTEN:
+ case VG_BLEND_ADDITIVE:
advanced_blending = VG_TRUE;
break;
default: