r600g: initialize VS_GS_OUT_PRIM_TYPE

Reviewed-by: Alex Deucher <[email protected]>
Reviewed-by: Christian König <[email protected]>

5 files changed, 38 insertions, 0 deletions

diff --git a/src/gallium/drivers/r600/evergreen_hw_context.c b/src/gallium/drivers/r600/evergreen_hw_context.c
index 161709cc233..16faa56b38f 100644
--- a/src/gallium/drivers/r600/evergreen_hw_context.c
+++ b/src/gallium/drivers/r600/evergreen_hw_context.c
@@ -205,6 +205,7 @@ static const struct r600_reg evergreen_context_reg_list[] = {
 	{R_028A08_PA_SU_LINE_CNTL, 0, 0},
 	{R_028A0C_PA_SC_LINE_STIPPLE, 0, 0},
 	{R_028A48_PA_SC_MODE_CNTL_0, 0, 0},
+	{R_028A6C_VGT_GS_OUT_PRIM_TYPE, 0, 0},
 	{R_028ABC_DB_HTILE_SURFACE, 0, 0},
 	{R_028B54_VGT_SHADER_STAGES_EN, 0, 0},
 	{R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, 0, 0},
@@ -479,6 +480,7 @@ static const struct r600_reg cayman_context_reg_list[] = {
 	{R_028A08_PA_SU_LINE_CNTL, 0, 0},
 	{R_028A0C_PA_SC_LINE_STIPPLE, 0, 0},
 	{R_028A48_PA_SC_MODE_CNTL_0, 0, 0},
+	{R_028A6C_VGT_GS_OUT_PRIM_TYPE, 0, 0},
 	{R_028ABC_DB_HTILE_SURFACE, 0, 0},
 	{R_028B54_VGT_SHADER_STAGES_EN, 0, 0},
 	{R_028B78_PA_SU_POLY_OFFSET_DB_FMT_CNTL, 0, 0},
diff --git a/src/gallium/drivers/r600/evergreend.h b/src/gallium/drivers/r600/evergreend.h
index ec88095e705..fc403f33d75 100644
--- a/src/gallium/drivers/r600/evergreend.h
+++ b/src/gallium/drivers/r600/evergreend.h
@@ -751,6 +751,11 @@
 #define   S_028A40_CUT_MODE(x)                         (((x) & 0x3) << 3)
 #define   G_028A40_CUT_MODE(x)                         (((x) >> 3) & 0x3)
 #define   C_028A40_CUT_MODE                            0xFFFFFFE7
+#define R_028A6C_VGT_GS_OUT_PRIM_TYPE                0x028A6C
+#define   S_028A6C_OUTPRIM_TYPE(x)                     (((x) & 0x3F) << 0)
+#define     V_028A6C_OUTPRIM_TYPE_POINTLIST            0
+#define     V_028A6C_OUTPRIM_TYPE_LINESTRIP            1
+#define     V_028A6C_OUTPRIM_TYPE_TRISTRIP             2
 #define R_008040_WAIT_UNTIL                          0x008040
 #define   S_008040_WAIT_CP_DMA_IDLE(x)                 (((x) & 0x1) << 8)
 #define   G_008040_WAIT_CP_DMA_IDLE(x)                 (((x) >> 8) & 0x1)
diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c
index 40e776107f6..5fb2465dc52 100644
--- a/src/gallium/drivers/r600/r600_hw_context.c
+++ b/src/gallium/drivers/r600/r600_hw_context.c
@@ -372,6 +372,7 @@ static const struct r600_reg r600_context_reg_list[] = {
 	{R_028004_DB_DEPTH_VIEW, 0, 0},
 	{GROUP_FORCE_NEW_BLOCK, 0, 0},
 	{R_028010_DB_DEPTH_INFO, REG_FLAG_NEED_BO, 0},
+	{R_028A6C_VGT_GS_OUT_PRIM_TYPE, 0, 0},
 	{R_028D24_DB_HTILE_SURFACE, 0, 0},
 	{R_028D34_DB_PREFETCH_LIMIT, 0, 0},
 	{R_028034_PA_SC_SCREEN_SCISSOR_BR, 0, 0},
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 9b8a2296ee8..87dec345628 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -798,6 +798,29 @@ static void r600_update_derived_state(struct r600_context *rctx)
 
 }
 
+static unsigned r600_conv_prim_to_gs_out(unsigned mode)
+{
+	static const int prim_conv[] = {
+		V_028A6C_OUTPRIM_TYPE_POINTLIST,
+		V_028A6C_OUTPRIM_TYPE_LINESTRIP,
+		V_028A6C_OUTPRIM_TYPE_LINESTRIP,
+		V_028A6C_OUTPRIM_TYPE_LINESTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_LINESTRIP,
+		V_028A6C_OUTPRIM_TYPE_LINESTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP,
+		V_028A6C_OUTPRIM_TYPE_TRISTRIP
+	};
+	assert(mode < Elements(prim_conv));
+
+	return prim_conv[mode];
+}
+
 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo)
 {
 	struct r600_context *rctx = (struct r600_context *)ctx;
@@ -851,6 +874,7 @@ void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo)
 		rctx->vgt.id = R600_PIPE_STATE_VGT;
 		rctx->vgt.nregs = 0;
 		r600_pipe_state_add_reg(&rctx->vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, NULL, 0);
+		r600_pipe_state_add_reg(&rctx->vgt, R_028A6C_VGT_GS_OUT_PRIM_TYPE, 0, NULL, 0);
 		r600_pipe_state_add_reg(&rctx->vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, NULL, 0);
 		r600_pipe_state_add_reg(&rctx->vgt, R_028408_VGT_INDX_OFFSET, info.index_bias, NULL, 0);
 		r600_pipe_state_add_reg(&rctx->vgt, R_02840C_VGT_MULTI_PRIM_IB_RESET_INDX, info.restart_index, NULL, 0);
@@ -865,6 +889,7 @@ void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *dinfo)
 
 	rctx->vgt.nregs = 0;
 	r600_pipe_state_mod_reg(&rctx->vgt, prim);
+	r600_pipe_state_mod_reg(&rctx->vgt, r600_conv_prim_to_gs_out(info.mode));
 	r600_pipe_state_mod_reg(&rctx->vgt, rctx->cb_target_mask & mask);
 	r600_pipe_state_mod_reg(&rctx->vgt, info.index_bias);
 	r600_pipe_state_mod_reg(&rctx->vgt, info.restart_index);
diff --git a/src/gallium/drivers/r600/r600d.h b/src/gallium/drivers/r600/r600d.h
index fcce60ba0f1..933d99e1a4b 100644
--- a/src/gallium/drivers/r600/r600d.h
+++ b/src/gallium/drivers/r600/r600d.h
@@ -810,6 +810,11 @@
 #define   S_028A40_CUT_MODE(x)                         (((x) & 0x3) << 3)
 #define   G_028A40_CUT_MODE(x)                         (((x) >> 3) & 0x3)
 #define   C_028A40_CUT_MODE                            0xFFFFFFE7
+#define R_028A6C_VGT_GS_OUT_PRIM_TYPE                0x028A6C
+#define   S_028A6C_OUTPRIM_TYPE(x)                     (((x) & 0x3F) << 0)
+#define     V_028A6C_OUTPRIM_TYPE_POINTLIST            0
+#define     V_028A6C_OUTPRIM_TYPE_LINESTRIP            1
+#define     V_028A6C_OUTPRIM_TYPE_TRISTRIP             2
 #define R_008040_WAIT_UNTIL                          0x008040
 #define   S_008040_WAIT_CP_DMA_IDLE(x)                 (((x) & 0x1) << 8)
 #define   G_008040_WAIT_CP_DMA_IDLE(x)                 (((x) >> 8) & 0x1)