radeonsi: move scratch reloc state setup

- move it to its own function
- do it after all states are emitted
- bump SI_MAX_DRAW_CS_DWORDS

Reviewed-by: Michel Dänzer <[email protected]>

2 files changed, 22 insertions, 15 deletions

diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 29f01f35d38..422b873db04 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -47,7 +47,8 @@
 #define SI_TRACE_CS_DWORDS		6
 
 #define SI_MAX_DRAW_CS_DWORDS \
-	(/*derived prim state:*/ 3 + /*draw regs:*/ 16 + /*draw packets:*/ 31)
+	(/*scratch:*/ 3 + /*derived prim state:*/ 3 + \
+	 /*draw regs:*/ 16 + /*draw packets:*/ 31)
 
 /* Instruction cache. */
 #define SI_CONTEXT_INV_ICACHE		(R600_CONTEXT_PRIVATE_FLAG << 0)
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index e186694c5c3..2e77d85a80d 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -149,6 +149,25 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
 		S_028AA8_WD_SWITCH_ON_EOP(sctx->b.chip_class >= CIK ? wd_switch_on_eop : 0);
 }
 
+static void si_emit_scratch_reloc(struct si_context *sctx)
+{
+	struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
+
+	if (!sctx->emit_scratch_reloc)
+		return;
+
+	r600_write_context_reg(cs, R_0286E8_SPI_TMPRING_SIZE,
+			       sctx->spi_tmpring_size);
+
+	if (sctx->scratch_buffer) {
+		r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx,
+				      sctx->scratch_buffer, RADEON_USAGE_READWRITE,
+				      RADEON_PRIO_SHADER_RESOURCE_RW);
+
+	}
+	sctx->emit_scratch_reloc = false;
+}
+
 /* rast_prim is the primitive type after GS. */
 static void si_emit_rasterizer_prim_state(struct si_context *sctx)
 {
@@ -575,20 +594,6 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 	if (sctx->b.flags)
 		sctx->atoms.s.cache_flush->dirty = true;
 
-	if (sctx->emit_scratch_reloc) {
-		struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
-		r600_write_context_reg(cs, R_0286E8_SPI_TMPRING_SIZE,
-				sctx->spi_tmpring_size);
-
-		if (sctx->scratch_buffer) {
-			 r600_context_bo_reloc(&sctx->b, &sctx->b.rings.gfx,
-				sctx->scratch_buffer, RADEON_USAGE_READWRITE,
-				RADEON_PRIO_SHADER_RESOURCE_RW);
-
-		}
-		sctx->emit_scratch_reloc = false;
-	}
-
 	si_need_cs_space(sctx, 0, TRUE);
 
 	/* Emit states. */
@@ -600,6 +605,7 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 	}
 
 	si_pm4_emit_dirty(sctx);
+	si_emit_scratch_reloc(sctx);
 	si_emit_rasterizer_prim_state(sctx);
 	si_emit_draw_registers(sctx, info);
 	si_emit_draw_packets(sctx, info, &ib);