[Mesa-dev] [PATCH 2/7] gallium/radeon: simplify disabling render condition for u_blitter

Marek Olšák maraeo at gmail.com
Sun Nov 8 13:48:27 PST 2015


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

just disable it by not setting the predication bit
---
 src/gallium/drivers/r600/r600_blit.c          | 12 +++++-------
 src/gallium/drivers/r600/r600_state_common.c  | 11 ++++++-----
 src/gallium/drivers/radeon/r600_pipe_common.h |  3 ++-
 src/gallium/drivers/radeonsi/si_blit.c        | 10 ++++------
 src/gallium/drivers/radeonsi/si_state_draw.c  |  9 +++++----
 5 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index fff841c..8a90489 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -87,18 +87,16 @@ static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op
 			(struct pipe_sampler_view**)rctx->samplers[PIPE_SHADER_FRAGMENT].views.views);
 	}
 
-	if ((op & R600_DISABLE_RENDER_COND) && rctx->b.current_render_cond) {
-           util_blitter_save_render_condition(rctx->blitter,
-                                              rctx->b.current_render_cond,
-                                              rctx->b.current_render_cond_cond,
-                                              rctx->b.current_render_cond_mode);
-        }
+	if (op & R600_DISABLE_RENDER_COND)
+		rctx->b.render_cond_force_off = true;
 }
 
 static void r600_blitter_end(struct pipe_context *ctx)
 {
 	struct r600_context *rctx = (struct r600_context *)ctx;
-        r600_resume_nontimer_queries(&rctx->b);
+
+	rctx->b.render_cond_force_off = false;
+	r600_resume_nontimer_queries(&rctx->b);
 }
 
 static unsigned u_max_sample(struct pipe_resource *r)
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index eb54361..28aedff 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1478,6 +1478,7 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
 	struct pipe_draw_info info = *dinfo;
 	struct pipe_index_buffer ib = {};
 	struct radeon_winsys_cs *cs = rctx->b.gfx.cs;
+	bool render_cond_bit = rctx->b.predicate_drawing && !rctx->b.render_cond_force_off;
 	uint64_t mask;
 
 	if (!info.indirect && !info.count && (info.indexed || !info.count_from_stream_output)) {
@@ -1696,7 +1697,7 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
 		if (ib.user_buffer) {
 			unsigned size_bytes = info.count*ib.index_size;
 			unsigned size_dw = align(size_bytes, 4) / 4;
-			cs->buf[cs->cdw++] = PKT3(PKT3_DRAW_INDEX_IMMD, 1 + size_dw, rctx->b.predicate_drawing);
+			cs->buf[cs->cdw++] = PKT3(PKT3_DRAW_INDEX_IMMD, 1 + size_dw, render_cond_bit);
 			cs->buf[cs->cdw++] = info.count;
 			cs->buf[cs->cdw++] = V_0287F0_DI_SRC_SEL_IMMEDIATE;
 			memcpy(cs->buf+cs->cdw, ib.user_buffer, size_bytes);
@@ -1705,7 +1706,7 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
 			uint64_t va = r600_resource(ib.buffer)->gpu_address + ib.offset;
 
 			if (likely(!info.indirect)) {
-				cs->buf[cs->cdw++] = PKT3(PKT3_DRAW_INDEX, 3, rctx->b.predicate_drawing);
+				cs->buf[cs->cdw++] = PKT3(PKT3_DRAW_INDEX, 3, render_cond_bit);
 				cs->buf[cs->cdw++] = va;
 				cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF;
 				cs->buf[cs->cdw++] = info.count;
@@ -1732,7 +1733,7 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
 				cs->buf[cs->cdw++] = PKT3(EG_PKT3_INDEX_BUFFER_SIZE, 0, 0);
 				cs->buf[cs->cdw++] = max_size;
 
-				cs->buf[cs->cdw++] = PKT3(EG_PKT3_DRAW_INDEX_INDIRECT, 1, rctx->b.predicate_drawing);
+				cs->buf[cs->cdw++] = PKT3(EG_PKT3_DRAW_INDEX_INDIRECT, 1, render_cond_bit);
 				cs->buf[cs->cdw++] = info.indirect_offset;
 				cs->buf[cs->cdw++] = V_0287F0_DI_SRC_SEL_DMA;
 			}
@@ -1758,11 +1759,11 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
 		}
 
 		if (likely(!info.indirect)) {
-			cs->buf[cs->cdw++] = PKT3(PKT3_DRAW_INDEX_AUTO, 1, rctx->b.predicate_drawing);
+			cs->buf[cs->cdw++] = PKT3(PKT3_DRAW_INDEX_AUTO, 1, render_cond_bit);
 			cs->buf[cs->cdw++] = info.count;
 		}
 		else {
-			cs->buf[cs->cdw++] = PKT3(EG_PKT3_DRAW_INDIRECT, 1, rctx->b.predicate_drawing);
+			cs->buf[cs->cdw++] = PKT3(EG_PKT3_DRAW_INDIRECT, 1, render_cond_bit);
 			cs->buf[cs->cdw++] = info.indirect_offset;
 		}
 		cs->buf[cs->cdw++] = V_0287F0_DI_SRC_SEL_AUTO_INDEX |
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index 2e3f154..139c377 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -420,7 +420,8 @@ struct r600_common_context {
 	struct pipe_query		*current_render_cond;
 	unsigned			current_render_cond_mode;
 	boolean				current_render_cond_cond;
-	boolean				predicate_drawing;
+	bool				predicate_drawing;
+	bool				render_cond_force_off; /* for u_blitter */
 	/* For context flushing. */
 	struct pipe_query		*saved_render_cond;
 	boolean				saved_render_cond_cond;
diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index 31f22c4..13d8e6f 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -86,17 +86,15 @@ static void si_blitter_begin(struct pipe_context *ctx, enum si_blitter_op op)
 			sctx->samplers[PIPE_SHADER_FRAGMENT].views.views);
 	}
 
-	if ((op & SI_DISABLE_RENDER_COND) && sctx->b.current_render_cond) {
-		util_blitter_save_render_condition(sctx->blitter,
-                                                   sctx->b.current_render_cond,
-                                                   sctx->b.current_render_cond_cond,
-                                                   sctx->b.current_render_cond_mode);
-	}
+	if (op & SI_DISABLE_RENDER_COND)
+		sctx->b.render_cond_force_off = true;
 }
 
 static void si_blitter_end(struct pipe_context *ctx)
 {
 	struct si_context *sctx = (struct si_context *)ctx;
+
+	sctx->b.render_cond_force_off = false;
 	r600_resume_nontimer_queries(&sctx->b);
 }
 
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 3015374..ebc01e8 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -457,6 +457,7 @@ static void si_emit_draw_packets(struct si_context *sctx,
 {
 	struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
 	unsigned sh_base_reg = sctx->shader_userdata.sh_base[PIPE_SHADER_VERTEX];
+	bool render_cond_bit = sctx->b.predicate_drawing && !sctx->b.render_cond_force_off;
 
 	if (info->count_from_stream_output) {
 		struct r600_so_target *t =
@@ -563,7 +564,7 @@ static void si_emit_draw_packets(struct si_context *sctx,
 			radeon_emit(cs, PKT3(PKT3_INDEX_BUFFER_SIZE, 0, 0));
 			radeon_emit(cs, index_max_size);
 
-			radeon_emit(cs, PKT3(PKT3_DRAW_INDEX_INDIRECT, 3, sctx->b.predicate_drawing));
+			radeon_emit(cs, PKT3(PKT3_DRAW_INDEX_INDIRECT, 3, render_cond_bit));
 			radeon_emit(cs, info->indirect_offset);
 			radeon_emit(cs, (sh_base_reg + SI_SGPR_BASE_VERTEX * 4 - SI_SH_REG_OFFSET) >> 2);
 			radeon_emit(cs, (sh_base_reg + SI_SGPR_START_INSTANCE * 4 - SI_SH_REG_OFFSET) >> 2);
@@ -571,7 +572,7 @@ static void si_emit_draw_packets(struct si_context *sctx,
 		} else {
 			index_va += info->start * ib->index_size;
 
-			radeon_emit(cs, PKT3(PKT3_DRAW_INDEX_2, 4, sctx->b.predicate_drawing));
+			radeon_emit(cs, PKT3(PKT3_DRAW_INDEX_2, 4, render_cond_bit));
 			radeon_emit(cs, index_max_size);
 			radeon_emit(cs, index_va);
 			radeon_emit(cs, (index_va >> 32UL) & 0xFF);
@@ -590,13 +591,13 @@ static void si_emit_draw_packets(struct si_context *sctx,
 			radeon_emit(cs, indirect_va);
 			radeon_emit(cs, indirect_va >> 32);
 
-			radeon_emit(cs, PKT3(PKT3_DRAW_INDIRECT, 3, sctx->b.predicate_drawing));
+			radeon_emit(cs, PKT3(PKT3_DRAW_INDIRECT, 3, render_cond_bit));
 			radeon_emit(cs, info->indirect_offset);
 			radeon_emit(cs, (sh_base_reg + SI_SGPR_BASE_VERTEX * 4 - SI_SH_REG_OFFSET) >> 2);
 			radeon_emit(cs, (sh_base_reg + SI_SGPR_START_INSTANCE * 4 - SI_SH_REG_OFFSET) >> 2);
 			radeon_emit(cs, V_0287F0_DI_SRC_SEL_AUTO_INDEX);
 		} else {
-			radeon_emit(cs, PKT3(PKT3_DRAW_INDEX_AUTO, 1, sctx->b.predicate_drawing));
+			radeon_emit(cs, PKT3(PKT3_DRAW_INDEX_AUTO, 1, render_cond_bit));
 			radeon_emit(cs, info->count);
 			radeon_emit(cs, V_0287F0_DI_SRC_SEL_AUTO_INDEX |
 				    S_0287F0_USE_OPAQUE(!!info->count_from_stream_output));
-- 
2.1.4



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