From 1291e910d591a27cb00ca8e41e93abd588f5e445 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 9 Dec 2015 12:54:35 -0700 Subject: [PATCH] svga: avoid emitting redundant SetIndexBuffer commands MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Charmaine Lee Reviewed-by: José Fonseca --- src/gallium/drivers/svga/svga_context.h | 4 ++++ src/gallium/drivers/svga/svga_draw.c | 17 ++++++++++++----- 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 c4284cc..db9491b 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 cca499a..2d3631d 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, -- 2.7.4