gallium/radeon: add radeon_emitted to check for non-trivial IBs

Reviewed-by: Marek Olšák <marek.olsak@amd.com>

8 files changed, 17 insertions, 16 deletions

diff --git a/src/gallium/drivers/r600/evergreen_compute.c b/src/gallium/drivers/r600/evergreen_compute.c
index c9643fc..8db525e 100644
--- a/src/gallium/drivers/r600/evergreen_compute.c
+++ b/src/gallium/drivers/r600/evergreen_compute.c
@@ -452,7 +452,7 @@ static void compute_emit_cs(struct r600_context *rctx,
 	unsigned i;
 
 	/* make sure that the gfx ring is only one active */
-	if (rctx->b.dma.cs && rctx->b.dma.cs->cdw) {
+	if (radeon_emitted(rctx->b.dma.cs, 0)) {
 		rctx->b.dma.flush(rctx, RADEON_FLUSH_ASYNC, NULL);
 	}
 
diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index 6534d8b..1f7bed8 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -33,10 +33,8 @@
 void r600_need_cs_space(struct r600_context *ctx, unsigned num_dw,
 			boolean count_draw_in)
 {
-	struct radeon_winsys_cs *dma = ctx->b.dma.cs;
-
 	/* Flush the DMA IB if it's not empty. */
-	if (dma && dma->cdw)
+	if (radeon_emitted(ctx->b.dma.cs, 0))
 		ctx->b.dma.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
 
 	if (!ctx->b.ws->cs_memory_below_limit(ctx->b.gfx.cs, ctx->b.vram, ctx->b.gtt)) {
@@ -250,7 +248,7 @@ void r600_context_gfx_flush(void *context, unsigned flags,
 	struct r600_context *ctx = context;
 	struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
 
-	if (cs->cdw == ctx->b.initial_gfx_cs_size && !fence)
+	if (!radeon_emitted(cs, ctx->b.initial_gfx_cs_size) && !fence)
 		return;
 
 	r600_preflush_suspend_features(&ctx->b);
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 42838c2..b3814fb 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1681,7 +1681,7 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
 	}
 
 	/* make sure that the gfx ring is only one active */
-	if (rctx->b.dma.cs && rctx->b.dma.cs->cdw) {
+	if (radeon_emitted(rctx->b.dma.cs, 0)) {
 		rctx->b.dma.flush(rctx, RADEON_FLUSH_ASYNC, NULL);
 	}
 
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index c6429bf..9e8384d 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -37,7 +37,7 @@ boolean r600_rings_is_buffer_referenced(struct r600_common_context *ctx,
 	if (ctx->ws->cs_is_buffer_referenced(ctx->gfx.cs, buf, usage)) {
 		return TRUE;
 	}
-	if (ctx->dma.cs && ctx->dma.cs->cdw &&
+	if (radeon_emitted(ctx->dma.cs, 0) &&
 	    ctx->ws->cs_is_buffer_referenced(ctx->dma.cs, buf, usage)) {
 		return TRUE;
 	}
@@ -60,7 +60,7 @@ void *r600_buffer_map_sync_with_rings(struct r600_common_context *ctx,
 		rusage = RADEON_USAGE_WRITE;
 	}
 
-	if (ctx->gfx.cs->cdw != ctx->initial_gfx_cs_size &&
+	if (radeon_emitted(ctx->gfx.cs, ctx->initial_gfx_cs_size) &&
 	    ctx->ws->cs_is_buffer_referenced(ctx->gfx.cs,
 					     resource->buf, rusage)) {
 		if (usage & PIPE_TRANSFER_DONTBLOCK) {
@@ -71,8 +71,7 @@ void *r600_buffer_map_sync_with_rings(struct r600_common_context *ctx,
 			busy = true;
 		}
 	}
-	if (ctx->dma.cs &&
-	    ctx->dma.cs->cdw &&
+	if (radeon_emitted(ctx->dma.cs, 0) &&
 	    ctx->ws->cs_is_buffer_referenced(ctx->dma.cs,
 					     resource->buf, rusage)) {
 		if (usage & PIPE_TRANSFER_DONTBLOCK) {
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index a5966d9..8d9c5a5 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -155,7 +155,7 @@ void r600_need_dma_space(struct r600_common_context *ctx, unsigned num_dw,
 	}
 
 	/* Flush the GFX IB if DMA depends on it. */
-	if (ctx->gfx.cs->cdw > ctx->initial_gfx_cs_size &&
+	if (radeon_emitted(ctx->gfx.cs, ctx->initial_gfx_cs_size) &&
 	    ((dst &&
 	      ctx->ws->cs_is_buffer_referenced(ctx->gfx.cs, dst->buf,
 					       RADEON_USAGE_READWRITE)) ||
@@ -212,7 +212,7 @@ void r600_dma_emit_wait_idle(struct r600_common_context *rctx)
 
 	r600_need_dma_space(rctx, 1, NULL, NULL);
 
-	if (cs->cdw == 0) /* empty queue */
+	if (!radeon_emitted(cs, 0)) /* empty queue */
 		return;
 
 	/* NOP waits for idle on Evergreen and later. */
@@ -295,7 +295,7 @@ static void r600_flush_dma_ring(void *ctx, unsigned flags,
 	struct r600_common_context *rctx = (struct r600_common_context *)ctx;
 	struct radeon_winsys_cs *cs = rctx->dma.cs;
 
-	if (cs->cdw)
+	if (radeon_emitted(cs, 0))
 		rctx->ws->cs_flush(cs, flags, &rctx->last_sdma_fence);
 	if (fence)
 		rctx->ws->fence_reference(fence, rctx->last_sdma_fence);
diff --git a/src/gallium/drivers/radeon/radeon_vce.c b/src/gallium/drivers/radeon/radeon_vce.c
index 99b82ca..e16e0cf 100644
--- a/src/gallium/drivers/radeon/radeon_vce.c
+++ b/src/gallium/drivers/radeon/radeon_vce.c
@@ -313,7 +313,7 @@ static void rvce_encode_bitstream(struct pipe_video_codec *encoder,
 		RVID_ERR("Can't create feedback buffer.\n");
 		return;
 	}
-	if (!enc->cs->cdw)
+	if (!radeon_emitted(enc->cs, 0))
 		enc->session(enc);
 	enc->encode(enc);
 	enc->feedback(enc);
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h
index e73fa14..792bacb 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -775,6 +775,10 @@ struct radeon_winsys {
                            unsigned num_registers, uint32_t *out);
 };
 
+static inline bool radeon_emitted(struct radeon_winsys_cs *cs, unsigned num_dw)
+{
+    return cs && cs->cdw > num_dw;
+}
 
 static inline void radeon_emit(struct radeon_winsys_cs *cs, uint32_t value)
 {
diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c
index 7fc58a6..dcf206d 100644
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -64,7 +64,7 @@ void si_need_cs_space(struct si_context *ctx)
 	struct radeon_winsys_cs *dma = ctx->b.dma.cs;
 
 	/* Flush the DMA IB if it's not empty. */
-	if (dma && dma->cdw)
+	if (radeon_emitted(dma, 0))
 		ctx->b.dma.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
 
 	/* There are two memory usage counters in the winsys for all buffers
@@ -102,7 +102,7 @@ void si_context_gfx_flush(void *context, unsigned flags,
 
 	ctx->gfx_flush_in_progress = true;
 
-	if (cs->cdw == ctx->b.initial_gfx_cs_size &&
+	if (!radeon_emitted(cs, ctx->b.initial_gfx_cs_size) &&
 	    (!fence || ctx->last_gfx_fence)) {
 		if (fence)
 			ws->fence_reference(fence, ctx->last_gfx_fence);