[Mesa-dev] [PATCH 2/2] r600g: set IA_MULTI_VGT_PARAM like radeonsi on Cayman
Marek Olšák
maraeo at gmail.com
Mon Aug 11 13:39:25 PDT 2014
From: Marek Olšák <marek.olsak at amd.com>
---
src/gallium/drivers/r600/evergreen_state.c | 2 --
src/gallium/drivers/r600/r600_pipe.h | 2 +-
src/gallium/drivers/r600/r600_state_common.c | 21 +++++++++++++++++++++
src/gallium/drivers/r600/r600d.h | 11 +++++++++++
4 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index c141f6b..7495857 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -2238,8 +2238,6 @@ static void cayman_init_atom_start_cs(struct r600_context *rctx)
r600_store_config_reg(cb, R_008A14_PA_CL_ENHANCE, (3 << 1) | 1);
- r600_store_context_reg(cb, CM_R_028AA8_IA_MULTI_VGT_PARAM, S_028AA8_SWITCH_ON_EOP(1) | S_028AA8_PARTIAL_VS_WAVE_ON(1) | S_028AA8_PRIMGROUP_SIZE(63));
-
r600_store_context_reg_seq(cb, CM_R_028BD4_PA_SC_CENTROID_PRIORITY_0, 2);
r600_store_value(cb, 0x76543210); /* CM_R_028BD4_PA_SC_CENTROID_PRIORITY_0 */
r600_store_value(cb, 0xfedcba98); /* CM_R_028BD8_PA_SC_CENTROID_PRIORITY_1 */
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index 6422e3e..9c407a2 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -41,7 +41,7 @@
/* the number of CS dwords for flushing and drawing */
#define R600_MAX_FLUSH_CS_DWORDS 16
-#define R600_MAX_DRAW_CS_DWORDS 37
+#define R600_MAX_DRAW_CS_DWORDS 40
#define R600_TRACE_CS_DWORDS 7
#define R600_MAX_USER_CONST_BUFFERS 13
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 207f07e..e0c2a32 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -1417,6 +1417,27 @@ static void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info
r600_emit_atom(rctx, rctx->atoms[i]);
}
+ if (rctx->b.chip_class == CAYMAN) {
+ /* Copied from radeonsi.
+ * In theory, we should be okay with default values and only
+ * check line stippling, but better safe than sorry. */
+ unsigned primgroup_size = 256;
+ bool ia_switch_on_eop = false;
+
+ if (info.mode == PIPE_PRIM_TRIANGLES_ADJACENCY)
+ primgroup_size = 128;
+
+ if ((rctx->rasterizer && rctx->rasterizer->pa_sc_line_stipple) ||
+ (rctx->b.screen->debug_flags & DBG_SWITCH_ON_EOP)) {
+ ia_switch_on_eop = true;
+ }
+
+ r600_write_context_reg(cs, CM_R_028AA8_IA_MULTI_VGT_PARAM,
+ S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop) |
+ S_028AA8_PARTIAL_VS_WAVE_ON(0) |
+ S_028AA8_PRIMGROUP_SIZE(primgroup_size - 1));
+ }
+
/* On R6xx, CULL_FRONT=1 culls all points, lines, and rectangles,
* even though it should have no effect on those. */
if (rctx->b.chip_class == R600 && rctx->rasterizer) {
diff --git a/src/gallium/drivers/r600/r600d.h b/src/gallium/drivers/r600/r600d.h
index 8405fbb..17568ab 100644
--- a/src/gallium/drivers/r600/r600d.h
+++ b/src/gallium/drivers/r600/r600d.h
@@ -3747,6 +3747,17 @@
#define SQ_TEX_INST_SAMPLE_C_G_LB 0x1E
#define SQ_TEX_INST_SAMPLE_C_G_LZ 0x1F
+#define CM_R_028AA8_IA_MULTI_VGT_PARAM 0x028AA8
+#define S_028AA8_PRIMGROUP_SIZE(x) (((x) & 0xFFFF) << 0)
+#define G_028AA8_PRIMGROUP_SIZE(x) (((x) >> 0) & 0xFFFF)
+#define C_028AA8_PRIMGROUP_SIZE 0xFFFF0000
+#define S_028AA8_PARTIAL_VS_WAVE_ON(x) (((x) & 0x1) << 16)
+#define G_028AA8_PARTIAL_VS_WAVE_ON(x) (((x) >> 16) & 0x1)
+#define C_028AA8_PARTIAL_VS_WAVE_ON 0xFFFEFFFF
+#define S_028AA8_SWITCH_ON_EOP(x) (((x) & 0x1) << 17)
+#define G_028AA8_SWITCH_ON_EOP(x) (((x) >> 17) & 0x1)
+#define C_028AA8_SWITCH_ON_EOP 0xFFFDFFFF
+
/* async DMA packets */
#define DMA_PACKET(cmd, t, s, n) ((((cmd) & 0xF) << 28) | \
(((t) & 0x1) << 23) | \
--
1.9.1
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