X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Ffreedreno%2Fa4xx%2Ffd4_blend.c;h=f19702280e07f97e8364d87db9580ec06d2d8e7e;hb=22aeb0c5684cec11fd8cb4a159b10edbcfe8d6ec;hp=b2d494930c46375384b1204d51992197281df27b;hpb=e9589a8fcf60f9d04ea31e6f84f43f9d10a636da;p=mesa.git

diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_blend.c b/src/gallium/drivers/freedreno/a4xx/fd4_blend.c
index b2d494930c4..f19702280e0 100644
--- a/src/gallium/drivers/freedreno/a4xx/fd4_blend.c
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_blend.c
@@ -27,6 +27,7 @@
  */
 
 #include "pipe/p_state.h"
+#include "util/u_blend.h"
 #include "util/u_string.h"
 #include "util/u_memory.h"
 
@@ -59,12 +60,12 @@ fd4_blend_state_create(struct pipe_context *pctx,
 		const struct pipe_blend_state *cso)
 {
 	struct fd4_blend_stateobj *so;
-//	enum a3xx_rop_code rop = ROP_COPY;
+	enum a3xx_rop_code rop = ROP_COPY;
 	bool reads_dest = false;
-	int i;
+	unsigned i, mrt_blend = 0;
 
 	if (cso->logicop_enable) {
-//		rop = cso->logicop_func;  /* maps 1:1 */
+		rop = cso->logicop_func;  /* maps 1:1 */
 
 		switch (cso->logicop_func) {
 		case PIPE_LOGICOP_NOR:
@@ -84,11 +85,6 @@ fd4_blend_state_create(struct pipe_context *pctx,
 		}
 	}
 
-	if (cso->independent_blend_enable) {
-		DBG("Unsupported! independent blend state");
-		return NULL;
-	}
-
 	so = CALLOC_STRUCT(fd4_blend_stateobj);
 	if (!so)
 		return NULL;
@@ -96,18 +92,32 @@ fd4_blend_state_create(struct pipe_context *pctx,
 	so->base = *cso;
 
 	for (i = 0; i < ARRAY_SIZE(so->rb_mrt); i++) {
-		const struct pipe_rt_blend_state *rt = &cso->rt[i];
+		const struct pipe_rt_blend_state *rt;
 
-		so->rb_mrt[i].blend_control =
+		if (cso->independent_blend_enable)
+			rt = &cso->rt[i];
+		else
+			rt = &cso->rt[0];
+
+		so->rb_mrt[i].blend_control_rgb =
 				A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |
 				A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
-				A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(rt->rgb_dst_factor)) |
+				A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(rt->rgb_dst_factor));
+
+		so->rb_mrt[i].blend_control_alpha =
 				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_SRC_FACTOR(fd_blend_factor(rt->alpha_src_factor)) |
 				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_BLEND_OPCODE(blend_func(rt->alpha_func)) |
 				A4XX_RB_MRT_BLEND_CONTROL_ALPHA_DEST_FACTOR(fd_blend_factor(rt->alpha_dst_factor));
 
+		so->rb_mrt[i].blend_control_no_alpha_rgb =
+				A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(util_blend_dst_alpha_to_one(rt->rgb_src_factor))) |
+				A4XX_RB_MRT_BLEND_CONTROL_RGB_BLEND_OPCODE(blend_func(rt->rgb_func)) |
+				A4XX_RB_MRT_BLEND_CONTROL_RGB_DEST_FACTOR(fd_blend_factor(util_blend_dst_alpha_to_one(rt->rgb_dst_factor)));
+
+
 		so->rb_mrt[i].control =
-				0xc00 | /* XXX ROP_CODE ?? */
+				A4XX_RB_MRT_CONTROL_ROP_CODE(rop) |
+				COND(cso->logicop_enable, A4XX_RB_MRT_CONTROL_ROP_ENABLE) |
 				A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE(rt->colormask);
 
 		if (rt->blend_enable) {
@@ -115,15 +125,20 @@ fd4_blend_state_create(struct pipe_context *pctx,
 					A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE |
 					A4XX_RB_MRT_CONTROL_BLEND |
 					A4XX_RB_MRT_CONTROL_BLEND2;
-			so->rb_fs_output |= A4XX_RB_FS_OUTPUT_ENABLE_BLEND;
+			mrt_blend |= (1 << i);
 		}
 
-		if (reads_dest)
+		if (reads_dest) {
 			so->rb_mrt[i].control |= A4XX_RB_MRT_CONTROL_READ_DEST_ENABLE;
+			mrt_blend |= (1 << i);
+		}
 
 		if (cso->dither)
 			so->rb_mrt[i].buf_info |= A4XX_RB_MRT_BUF_INFO_DITHER_MODE(DITHER_ALWAYS);
 	}
 
+	so->rb_fs_output = A4XX_RB_FS_OUTPUT_ENABLE_BLEND(mrt_blend) |
+		COND(cso->independent_blend_enable, A4XX_RB_FS_OUTPUT_INDEPENDENT_BLEND);
+
 	return so;
 }