[Mesa-dev] [PATCH 3/3] radeonsi: don't flush DB for fast color clears

Marek Olšák maraeo at gmail.com
Fri Apr 22 08:52:48 UTC 2016


From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/r600/r600_blit.c          |  2 +-
 src/gallium/drivers/radeon/r600_pipe_common.c |  4 ++--
 src/gallium/drivers/radeon/r600_pipe_common.h |  4 ++--
 src/gallium/drivers/radeonsi/si_cp_dma.c      | 23 ++++++++++++-----------
 src/gallium/drivers/radeonsi/si_pipe.h        |  2 +-
 5 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index 2d30807..a7ed026 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -582,7 +582,7 @@ static void r600_copy_global_buffer(struct pipe_context *ctx,
 
 static void r600_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
 			      uint64_t offset, uint64_t size, unsigned value,
-			      bool is_framebuffer)
+			      bool is_color_meta)
 {
 	struct r600_context *rctx = (struct r600_context*)ctx;
 
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index 929fecb..9a2a956 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -984,12 +984,12 @@ bool r600_can_dump_shader(struct r600_common_screen *rscreen,
 
 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
 			      uint64_t offset, uint64_t size, unsigned value,
-			      bool is_framebuffer)
+			      bool is_color_meta)
 {
 	struct r600_common_context *rctx = (struct r600_common_context*)rscreen->aux_context;
 
 	pipe_mutex_lock(rscreen->aux_context_lock);
-	rctx->clear_buffer(&rctx->b, dst, offset, size, value, is_framebuffer);
+	rctx->clear_buffer(&rctx->b, dst, offset, size, value, is_color_meta);
 	rscreen->aux_context->flush(rscreen->aux_context, NULL, 0);
 	pipe_mutex_unlock(rscreen->aux_context_lock);
 }
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index 44ab675..0283fd2 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -513,7 +513,7 @@ struct r600_common_context {
 
 	void (*clear_buffer)(struct pipe_context *ctx, struct pipe_resource *dst,
 			     uint64_t offset, uint64_t size, unsigned value,
-			     bool is_framebuffer);
+			     bool is_color_meta);
 
 	void (*blit_decompress_depth)(struct pipe_context *ctx,
 				      struct r600_texture *texture,
@@ -585,7 +585,7 @@ bool r600_can_dump_shader(struct r600_common_screen *rscreen,
 			  unsigned processor);
 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
 			      uint64_t offset, uint64_t size, unsigned value,
-			      bool is_framebuffer);
+			      bool is_color_meta);
 struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
 						  const struct pipe_resource *templ);
 const char *r600_get_llvm_processor_name(enum radeon_family family);
diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c b/src/gallium/drivers/radeonsi/si_cp_dma.c
index bca9cc5..14224fa 100644
--- a/src/gallium/drivers/radeonsi/si_cp_dma.c
+++ b/src/gallium/drivers/radeonsi/si_cp_dma.c
@@ -107,19 +107,20 @@ static void si_emit_cp_dma_clear_buffer(struct si_context *sctx,
 	}
 }
 
-static unsigned get_flush_flags(struct si_context *sctx, bool is_framebuffer)
+static unsigned get_flush_flags(struct si_context *sctx, bool is_color_meta)
 {
-	if (is_framebuffer)
-		return SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER;
+	if (is_color_meta)
+		return SI_CONTEXT_FLUSH_AND_INV_CB |
+		       SI_CONTEXT_FLUSH_AND_INV_CB_META;
 
 	return SI_CONTEXT_INV_SMEM_L1 |
 	       SI_CONTEXT_INV_VMEM_L1 |
 	       (sctx->b.chip_class == SI ? SI_CONTEXT_INV_GLOBAL_L2 : 0);
 }
 
-static unsigned get_tc_l2_flag(struct si_context *sctx, bool is_framebuffer)
+static unsigned get_tc_l2_flag(struct si_context *sctx, bool is_color_meta)
 {
-	return is_framebuffer || sctx->b.chip_class == SI ? 0 : CIK_CP_DMA_USE_L2;
+	return is_color_meta || sctx->b.chip_class == SI ? 0 : CIK_CP_DMA_USE_L2;
 }
 
 static void si_cp_dma_prepare(struct si_context *sctx, struct pipe_resource *dst,
@@ -159,11 +160,11 @@ static void si_cp_dma_prepare(struct si_context *sctx, struct pipe_resource *dst
 
 static void si_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
 			    uint64_t offset, uint64_t size, unsigned value,
-			    bool is_framebuffer)
+			    bool is_color_meta)
 {
 	struct si_context *sctx = (struct si_context*)ctx;
-	unsigned tc_l2_flag = get_tc_l2_flag(sctx, is_framebuffer);
-	unsigned flush_flags = get_flush_flags(sctx, is_framebuffer);
+	unsigned tc_l2_flag = get_tc_l2_flag(sctx, is_color_meta);
+	unsigned flush_flags = get_flush_flags(sctx, is_color_meta);
 
 	if (!size)
 		return;
@@ -250,13 +251,13 @@ static void si_cp_dma_realign_engine(struct si_context *sctx, unsigned size)
 void si_copy_buffer(struct si_context *sctx,
 		    struct pipe_resource *dst, struct pipe_resource *src,
 		    uint64_t dst_offset, uint64_t src_offset, unsigned size,
-		    bool is_framebuffer)
+		    bool is_color_meta)
 {
 	uint64_t main_dst_offset, main_src_offset;
 	unsigned skipped_size = 0;
 	unsigned realign_size = 0;
-	unsigned tc_l2_flag = get_tc_l2_flag(sctx, is_framebuffer);
-	unsigned flush_flags = get_flush_flags(sctx, is_framebuffer);
+	unsigned tc_l2_flag = get_tc_l2_flag(sctx, is_color_meta);
+	unsigned flush_flags = get_flush_flags(sctx, is_color_meta);
 
 	if (!size)
 		return;
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 13946a5..bfdbf4d 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -349,7 +349,7 @@ void si_resource_copy_region(struct pipe_context *ctx,
 void si_copy_buffer(struct si_context *sctx,
 		    struct pipe_resource *dst, struct pipe_resource *src,
 		    uint64_t dst_offset, uint64_t src_offset, unsigned size,
-		    bool is_framebuffer);
+		    bool is_color_meta);
 void si_init_cp_dma_functions(struct si_context *sctx);
 
 /* si_debug.c */
-- 
2.5.0



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