r600g: consolidate draw_vbo functions (v2)

Added a conditional to spi_update per Dave's comment.

5 files changed, 142 insertions, 258 deletions

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 7fb64d2b65..8bafb5a06f 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1328,30 +1328,6 @@ void evergreen_polygon_offset_update(struct r600_pipe_context *rctx)
 	}
 }
 
-static void evergreen_spi_update(struct r600_pipe_context *rctx)
-{
-	struct r600_pipe_shader *shader = rctx->ps_shader;
-	struct r600_pipe_state rstate;
-	struct r600_shader *rshader = &shader->shader;
-	unsigned i, tmp;
-
-	rstate.nregs = 0;
-	for (i = 0; i < rshader->ninput; i++) {
-		tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i));
-		if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
-				rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
-				rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
-			tmp |= S_028644_FLAT_SHADE(rctx->flatshade);
-		}
-		if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
-			rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) {
-			tmp |= S_028644_PT_SPRITE_TEX(1);
-		}
-		r600_pipe_state_add_reg(&rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, tmp, 0xFFFFFFFF, NULL);
-	}
-	r600_context_pipe_state_set(&rctx->ctx, &rstate);
-}
-
 void evergreen_vertex_buffer_update(struct r600_pipe_context *rctx)
 {
 	struct r600_pipe_state *rstate;
@@ -1431,104 +1407,6 @@ void evergreen_vertex_buffer_update(struct r600_pipe_context *rctx)
 	}
 }
 
-int r600_conv_pipe_prim(unsigned pprim, unsigned *prim);
-
-void evergreen_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-	struct r600_resource *rbuffer;
-	u32 vgt_dma_index_type, vgt_draw_initiator, mask;
-	struct r600_draw rdraw;
-	struct r600_pipe_state vgt;
-	struct r600_drawl draw = {};
-	unsigned prim;
-
-	draw.info = *info;
-	draw.ctx = ctx;
-	if (info->indexed && rctx->index_buffer.buffer) {
-		draw.info.start += rctx->index_buffer.offset / rctx->index_buffer.index_size;
-
-		r600_translate_index_buffer(rctx, &rctx->index_buffer.buffer,
-					    &rctx->index_buffer.index_size,
-					    &draw.info.start,
-					    info->count);
-
-		draw.index_size = rctx->index_buffer.index_size;
-		pipe_resource_reference(&draw.index_buffer, rctx->index_buffer.buffer);
-		draw.index_buffer_offset = draw.info.start * draw.index_size;
-		draw.info.start = 0;
-		r600_upload_index_buffer(rctx, &draw);
-	} else {
-		draw.info.index_bias = info->start;
-	}
-
-	switch (draw.index_size) {
-	case 2:
-		vgt_draw_initiator = 0;
-		vgt_dma_index_type = 0;
-		break;
-	case 4:
-		vgt_draw_initiator = 0;
-		vgt_dma_index_type = 1;
-		break;
-	case 0:
-		vgt_draw_initiator = 2;
-		vgt_dma_index_type = 0;
-		break;
-	default:
-		R600_ERR("unsupported index size %d\n", draw.index_size);
-		return;
-	}
-	if (r600_conv_pipe_prim(draw.info.mode, &prim))
-		return;
-	if (unlikely(rctx->ps_shader == NULL)) {
-		R600_ERR("missing vertex shader\n");
-		return;
-	}
-	if (unlikely(rctx->vs_shader == NULL)) {
-		R600_ERR("missing vertex shader\n");
-		return;
-	}
-	/* there should be enough input */
-	if (rctx->vertex_elements->count < rctx->vs_shader->shader.bc.nresource) {
-		R600_ERR("%d resources provided, expecting %d\n",
-			rctx->vertex_elements->count, rctx->vs_shader->shader.bc.nresource);
-		return;
-	}
-
-	evergreen_spi_update(rctx);
-
-	mask = 0;
-	for (int i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
-		mask |= (0xF << (i * 4));
-	}
-
-	vgt.id = R600_PIPE_STATE_VGT;
-	vgt.nregs = 0;
-	r600_pipe_state_add_reg(&vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028408_VGT_INDX_OFFSET, draw.info.index_bias, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028400_VGT_MAX_VTX_INDX, draw.info.max_index, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028404_VGT_MIN_VTX_INDX, draw.info.min_index, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_03CFF4_SQ_VTX_START_INST_LOC, 0, 0xFFFFFFFF, NULL);
-	r600_context_pipe_state_set(&rctx->ctx, &vgt);
-
-	rdraw.vgt_num_indices = draw.info.count;
-	rdraw.vgt_num_instances = 1;
-	rdraw.vgt_index_type = vgt_dma_index_type;
-	rdraw.vgt_draw_initiator = vgt_draw_initiator;
-	rdraw.indices = NULL;
-	if (draw.index_buffer) {
-		rbuffer = (struct r600_resource*)draw.index_buffer;
-		rdraw.indices = rbuffer->bo;
-		rdraw.indices_bo_offset = draw.index_buffer_offset;
-	}
-	evergreen_context_draw(&rctx->ctx, &rdraw);
-
-	pipe_resource_reference(&draw.index_buffer, NULL);
-}
-
 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader)
 {
 	struct r600_pipe_state *rstate = &shader->rstate;
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 71054fe4d5..45c093121d 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -123,6 +123,7 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
 	r600_init_query_functions(rctx);
 	r600_init_context_resource_functions(rctx);
 	r600_init_surface_functions(rctx);
+	rctx->context.draw_vbo = r600_draw_vbo;
 
 	switch (r600_get_family(rctx->radeon)) {
 	case CHIP_R600:
@@ -137,7 +138,6 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
 	case CHIP_RV730:
 	case CHIP_RV710:
 	case CHIP_RV740:
-		rctx->context.draw_vbo = r600_draw_vbo;
 		r600_init_state_functions(rctx);
 		if (r600_context_init(&rctx->ctx, rctx->radeon)) {
 			r600_destroy_context(&rctx->context);
@@ -154,7 +154,6 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
 	case CHIP_BARTS:
 	case CHIP_TURKS:
 	case CHIP_CAICOS:
-		rctx->context.draw_vbo = evergreen_draw_vbo;
 		evergreen_init_state_functions(rctx);
 		if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
 			r600_destroy_context(&rctx->context);
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h
index 94912680c2..cd3c965b83 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -181,7 +181,6 @@ struct r600_drawl {
 /* evergreen_state.c */
 void evergreen_init_state_functions(struct r600_pipe_context *rctx);
 void evergreen_init_config(struct r600_pipe_context *rctx);
-void evergreen_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
 void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
@@ -221,7 +220,7 @@ int r600_find_vs_semantic_index(struct r600_shader *vs,
 
 /* r600_state.c */
 void r600_init_state_functions(struct r600_pipe_context *rctx);
-void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
+void r600_spi_update(struct r600_pipe_context *rctx);
 void r600_init_config(struct r600_pipe_context *rctx);
 void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
 void r600_polygon_offset_update(struct r600_pipe_context *rctx);
@@ -270,6 +269,7 @@ void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
+void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
 
 /*
  * common helpers
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index 8501caf09e..5f7b09b577 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -94,36 +94,6 @@ void r600_polygon_offset_update(struct r600_pipe_context *rctx)
 	}
 }
 
-/* FIXME optimize away spi update when it's not needed */
-static void r600_spi_update(struct r600_pipe_context *rctx)
-{
-	struct r600_pipe_shader *shader = rctx->ps_shader;
-	struct r600_pipe_state rstate;
-	struct r600_shader *rshader = &shader->shader;
-	unsigned i, tmp;
-
-	rstate.nregs = 0;
-	for (i = 0; i < rshader->ninput; i++) {
-		tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i));
-		if (rshader->input[i].centroid)
-			tmp |= S_028644_SEL_CENTROID(1);
-		if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
-			tmp |= S_028644_SEL_LINEAR(1);
-
-		if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
-		    rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
-		    rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
-			tmp |= S_028644_FLAT_SHADE(rctx->flatshade);
-		}
-		if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
-			rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) {
-			tmp |= S_028644_PT_SPRITE_TEX(1);
-		}
-		r600_pipe_state_add_reg(&rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, tmp, 0xFFFFFFFF, NULL);
-	}
-	r600_context_pipe_state_set(&rctx->ctx, &rstate);
-}
-
 void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
 {
 	struct r600_pipe_state *rstate;
@@ -197,108 +167,6 @@ void r600_vertex_buffer_update(struct r600_pipe_context *rctx)
 	}
 }
 
-static void r600_draw_common(struct r600_drawl *draw)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)draw->ctx;
-	struct r600_resource *rbuffer;
-	unsigned prim;
-	u32 vgt_dma_index_type, vgt_draw_initiator, mask;
-	struct r600_draw rdraw;
-	struct r600_pipe_state vgt;
-
-	switch (draw->index_size) {
-	case 2:
-		vgt_draw_initiator = 0;
-		vgt_dma_index_type = 0;
-		break;
-	case 4:
-		vgt_draw_initiator = 0;
-		vgt_dma_index_type = 1;
-		break;
-	case 0:
-		vgt_draw_initiator = 2;
-		vgt_dma_index_type = 0;
-		break;
-	default:
-		R600_ERR("unsupported index size %d\n", draw->index_size);
-		return;
-	}
-	if (r600_conv_pipe_prim(draw->info.mode, &prim))
-		return;
-	if (unlikely(rctx->ps_shader == NULL)) {
-		R600_ERR("missing vertex shader\n");
-		return;
-	}
-	if (unlikely(rctx->vs_shader == NULL)) {
-		R600_ERR("missing vertex shader\n");
-		return;
-	}
-	/* there should be enough input */
-	if (rctx->vertex_elements->count < rctx->vs_shader->shader.bc.nresource) {
-		R600_ERR("%d resources provided, expecting %d\n",
-			rctx->vertex_elements->count, rctx->vs_shader->shader.bc.nresource);
-		return;
-	}
-
-	r600_spi_update(rctx);
-
-	mask = 0;
-	for (int i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
-		mask |= (0xF << (i * 4));
-	}
-
-	vgt.id = R600_PIPE_STATE_VGT;
-	vgt.nregs = 0;
-	r600_pipe_state_add_reg(&vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028408_VGT_INDX_OFFSET, draw->info.index_bias, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028400_VGT_MAX_VTX_INDX, draw->info.max_index, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028404_VGT_MIN_VTX_INDX, draw->info.min_index, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL);
-	r600_pipe_state_add_reg(&vgt, R_03CFF4_SQ_VTX_START_INST_LOC, 0, 0xFFFFFFFF, NULL);
-	r600_context_pipe_state_set(&rctx->ctx, &vgt);
-
-	rdraw.vgt_num_indices = draw->info.count;
-	rdraw.vgt_num_instances = 1;
-	rdraw.vgt_index_type = vgt_dma_index_type;
-	rdraw.vgt_draw_initiator = vgt_draw_initiator;
-	rdraw.indices = NULL;
-	if (draw->index_buffer) {
-		rbuffer = (struct r600_resource*)draw->index_buffer;
-		rdraw.indices = rbuffer->bo;
-		rdraw.indices_bo_offset = draw->index_buffer_offset;
-	}
-	r600_context_draw(&rctx->ctx, &rdraw);
-}
-
-void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
-{
-	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
-	struct r600_drawl draw = {};
-
-	draw.info = *info;
-	draw.ctx = ctx;
-	if (info->indexed && rctx->index_buffer.buffer) {
-		draw.info.start += rctx->index_buffer.offset / rctx->index_buffer.index_size;
-
-		r600_translate_index_buffer(rctx, &rctx->index_buffer.buffer,
-					    &rctx->index_buffer.index_size,
-					    &draw.info.start,
-					    info->count);
-
-		draw.index_size = rctx->index_buffer.index_size;
-		pipe_resource_reference(&draw.index_buffer, rctx->index_buffer.buffer);
-		draw.index_buffer_offset = draw.info.start * draw.index_size;
-		draw.info.start = 0;
-		r600_upload_index_buffer(rctx, &draw);
-	} else {
-		draw.info.index_bias = info->start;
-	}
-	r600_draw_common(&draw);
-
-	pipe_resource_reference(&draw.index_buffer, NULL);
-}
-
 static void r600_set_blend_color(struct pipe_context *ctx,
 					const struct pipe_blend_color *state)
 {
diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index 9c4fd3b16d..050ed7e029 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -27,7 +27,9 @@
 #include <util/u_memory.h>
 #include <util/u_format.h>
 #include <pipebuffer/pb_buffer.h>
+#include "pipe/p_shader_tokens.h"
 #include "r600_pipe.h"
+#include "r600d.h"
 
 /* common state between evergreen and r600 */
 void r600_bind_blend_state(struct pipe_context *ctx, void *state)
@@ -327,3 +329,140 @@ void r600_delete_vs_shader(struct pipe_context *ctx, void *state)
 	r600_pipe_shader_destroy(ctx, shader);
 	free(shader);
 }
+
+/* FIXME optimize away spi update when it's not needed */
+void r600_spi_update(struct r600_pipe_context *rctx)
+{
+	struct r600_pipe_shader *shader = rctx->ps_shader;
+	struct r600_pipe_state rstate;
+	struct r600_shader *rshader = &shader->shader;
+	unsigned i, tmp;
+
+	rstate.nregs = 0;
+	for (i = 0; i < rshader->ninput; i++) {
+		tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i));
+
+		if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
+		    rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
+		    rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
+			tmp |= S_028644_FLAT_SHADE(rctx->flatshade);
+		}
+
+		if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC &&
+		    rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) {
+			tmp |= S_028644_PT_SPRITE_TEX(1);
+		}
+
+                if (rctx->family < CHIP_CEDAR) {
+                    if (rshader->input[i].centroid)
+                            tmp |= S_028644_SEL_CENTROID(1);
+
+                    if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR)
+                            tmp |= S_028644_SEL_LINEAR(1);
+                }
+
+		r600_pipe_state_add_reg(&rstate, R_028644_SPI_PS_INPUT_CNTL_0 + i * 4, tmp, 0xFFFFFFFF, NULL);
+	}
+	r600_context_pipe_state_set(&rctx->ctx, &rstate);
+}
+
+void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
+{
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
+	struct r600_resource *rbuffer;
+	u32 vgt_dma_index_type, vgt_draw_initiator, mask;
+	struct r600_draw rdraw;
+	struct r600_pipe_state vgt;
+	struct r600_drawl draw = {};
+	unsigned prim;
+
+	draw.info = *info;
+	draw.ctx = ctx;
+	if (info->indexed && rctx->index_buffer.buffer) {
+		draw.info.start += rctx->index_buffer.offset / rctx->index_buffer.index_size;
+
+		r600_translate_index_buffer(rctx, &rctx->index_buffer.buffer,
+					    &rctx->index_buffer.index_size,
+					    &draw.info.start,
+					    info->count);
+
+		draw.index_size = rctx->index_buffer.index_size;
+		pipe_resource_reference(&draw.index_buffer, rctx->index_buffer.buffer);
+		draw.index_buffer_offset = draw.info.start * draw.index_size;
+		draw.info.start = 0;
+		r600_upload_index_buffer(rctx, &draw);
+	} else {
+		draw.info.index_bias = info->start;
+	}
+
+	switch (draw.index_size) {
+	case 2:
+		vgt_draw_initiator = 0;
+		vgt_dma_index_type = 0;
+		break;
+	case 4:
+		vgt_draw_initiator = 0;
+		vgt_dma_index_type = 1;
+		break;
+	case 0:
+		vgt_draw_initiator = 2;
+		vgt_dma_index_type = 0;
+		break;
+	default:
+		R600_ERR("unsupported index size %d\n", draw.index_size);
+		return;
+	}
+	if (r600_conv_pipe_prim(draw.info.mode, &prim))
+		return;
+	if (unlikely(rctx->ps_shader == NULL)) {
+		R600_ERR("missing vertex shader\n");
+		return;
+	}
+	if (unlikely(rctx->vs_shader == NULL)) {
+		R600_ERR("missing vertex shader\n");
+		return;
+	}
+	/* there should be enough input */
+	if (rctx->vertex_elements->count < rctx->vs_shader->shader.bc.nresource) {
+		R600_ERR("%d resources provided, expecting %d\n",
+			rctx->vertex_elements->count, rctx->vs_shader->shader.bc.nresource);
+		return;
+	}
+
+	r600_spi_update(rctx);
+
+	mask = 0;
+	for (int i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
+		mask |= (0xF << (i * 4));
+	}
+
+	vgt.id = R600_PIPE_STATE_VGT;
+	vgt.nregs = 0;
+	r600_pipe_state_add_reg(&vgt, R_008958_VGT_PRIMITIVE_TYPE, prim, 0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(&vgt, R_028408_VGT_INDX_OFFSET, draw.info.index_bias, 0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(&vgt, R_028400_VGT_MAX_VTX_INDX, draw.info.max_index, 0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(&vgt, R_028404_VGT_MIN_VTX_INDX, draw.info.min_index, 0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(&vgt, R_028238_CB_TARGET_MASK, rctx->cb_target_mask & mask, 0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(&vgt, R_03CFF0_SQ_VTX_BASE_VTX_LOC, 0, 0xFFFFFFFF, NULL);
+	r600_pipe_state_add_reg(&vgt, R_03CFF4_SQ_VTX_START_INST_LOC, 0, 0xFFFFFFFF, NULL);
+	r600_context_pipe_state_set(&rctx->ctx, &vgt);
+
+	rdraw.vgt_num_indices = draw.info.count;
+	rdraw.vgt_num_instances = 1;
+	rdraw.vgt_index_type = vgt_dma_index_type;
+	rdraw.vgt_draw_initiator = vgt_draw_initiator;
+	rdraw.indices = NULL;
+	if (draw.index_buffer) {
+		rbuffer = (struct r600_resource*)draw.index_buffer;
+		rdraw.indices = rbuffer->bo;
+		rdraw.indices_bo_offset = draw.index_buffer_offset;
+	}
+
+	if (rctx->family >= CHIP_CEDAR) {
+		evergreen_context_draw(&rctx->ctx, &rdraw);
+	} else {
+		r600_context_draw(&rctx->ctx, &rdraw);
+	}
+
+	pipe_resource_reference(&draw.index_buffer, NULL);
+}