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authorBrian Paul <[email protected]>2015-12-09 12:54:35 -0700
committerBrian Paul <[email protected]>2015-12-11 16:54:44 -0700
commit1291e910d591a27cb00ca8e41e93abd588f5e445 (patch)
tree285a2bee376a5ce7af58d341788b3b388c844f2a /src/gallium/drivers
parent71f19dd201cb74967957bbc596003e1364734b9f (diff)
svga: avoid emitting redundant SetIndexBuffer commands
Reviewed-by: Charmaine Lee <[email protected]> Reviewed-by: José Fonseca <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/svga/svga_context.h4
-rw-r--r--src/gallium/drivers/svga/svga_draw.c17
2 files changed, 16 insertions, 5 deletions
diff --git a/src/gallium/drivers/svga/svga_context.h b/src/gallium/drivers/svga/svga_context.h
index c4284cc3e5b..db9491bc282 100644
--- a/src/gallium/drivers/svga/svga_context.h
+++ b/src/gallium/drivers/svga/svga_context.h
@@ -343,6 +343,10 @@ struct svga_hw_draw_state
SVGA3dElementLayoutId layout_id;
SVGA3dPrimitiveType topology;
+ struct svga_winsys_surface *ib; /**< index buffer for drawing */
+ SVGA3dSurfaceFormat ib_format;
+ unsigned ib_offset;
+
/* used for rebinding */
unsigned num_sampler_views[PIPE_SHADER_TYPES];
unsigned default_constbuf_size[PIPE_SHADER_TYPES];
diff --git a/src/gallium/drivers/svga/svga_draw.c b/src/gallium/drivers/svga/svga_draw.c
index cca499a65c7..2d3631d6f9c 100644
--- a/src/gallium/drivers/svga/svga_draw.c
+++ b/src/gallium/drivers/svga/svga_draw.c
@@ -539,11 +539,18 @@ draw_vgpu10(struct svga_hwtnl *hwtnl,
SVGA3dSurfaceFormat indexFormat = xlate_index_format(range->indexWidth);
/* setup index buffer */
- ret = SVGA3D_vgpu10_SetIndexBuffer(svga->swc, ib_handle,
- indexFormat,
- range->indexArray.offset);
- if (ret != PIPE_OK)
- return ret;
+ if (ib_handle != svga->state.hw_draw.ib ||
+ indexFormat != svga->state.hw_draw.ib_format ||
+ range->indexArray.offset != svga->state.hw_draw.ib_offset) {
+ ret = SVGA3D_vgpu10_SetIndexBuffer(svga->swc, ib_handle,
+ indexFormat,
+ range->indexArray.offset);
+ if (ret != PIPE_OK)
+ return ret;
+ svga->state.hw_draw.ib = ib_handle;
+ svga->state.hw_draw.ib_format = indexFormat;
+ svga->state.hw_draw.ib_offset = range->indexArray.offset;
+ }
if (instance_count > 1) {
ret = SVGA3D_vgpu10_DrawIndexedInstanced(svga->swc,