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anv: Perform rasterizer discard in the SOL stage instead of the clipper.

Browse source 
See commit b0629e6894, where we discovered
that the SOL stage's "Rendering Disable" feature is a lot faster at
throwing away all geometry than the clipper's "reject all" mode.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Kenneth Graunke 2016-07-18 16:02:02 -07:00
parent 99a47391e4
commit b5661c1d70
4 changed files with 12 additions and 3 deletions
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1
src/intel/vulkan/gen7_pipeline.c
View file

@ -119,6 +119,7 @@ genX(graphics_pipeline_create)(
emit_3dstate_clip(pipeline, pCreateInfo->pViewportState,
pCreateInfo->pRasterizationState, extra);
emit_3dstate_streamout(pipeline, pCreateInfo->pRasterizationState);
if (pCreateInfo->pMultisampleState &&
pCreateInfo->pMultisampleState->rasterizationSamples > 1)

1
src/intel/vulkan/gen8_pipeline.c
View file

@ -185,6 +185,7 @@ genX(graphics_pipeline_create)(
emit_3dstate_clip(pipeline, pCreateInfo->pViewportState,
pCreateInfo->pRasterizationState, extra);
emit_3dstate_streamout(pipeline, pCreateInfo->pRasterizationState);
const struct brw_wm_prog_data *wm_prog_data = get_wm_prog_data(pipeline);
anv_batch_emit(&pipeline->batch, GENX(3DSTATE_WM), wm) {

12
src/intel/vulkan/genX_pipeline_util.h
View file

@ -666,8 +666,7 @@ emit_3dstate_clip(struct anv_pipeline *pipeline,
clip.APIMode = APIMODE_D3D,
clip.ViewportXYClipTestEnable = true;
clip.ClipMode = rs_info->rasterizerDiscardEnable ?
CLIPMODE_REJECT_ALL : CLIPMODE_NORMAL;
clip.ClipMode = CLIPMODE_NORMAL;
clip.TriangleStripListProvokingVertexSelect = 0;
clip.LineStripListProvokingVertexSelect = 0;
@ -687,3 +686,12 @@ emit_3dstate_clip(struct anv_pipeline *pipeline,
#endif
}
}
static void
emit_3dstate_streamout(struct anv_pipeline *pipeline,
const VkPipelineRasterizationStateCreateInfo *rs_info)
{
anv_batch_emit(&pipeline->batch, GENX(3DSTATE_STREAMOUT), so) {
so.RenderingDisable = rs_info->rasterizerDiscardEnable;
}
}

1
src/intel/vulkan/genX_state.c
View file

@ -58,7 +58,6 @@ genX(init_device_state)(struct anv_device *device)
anv_batch_emit(&batch, GENX(3DSTATE_TE), ts);
anv_batch_emit(&batch, GENX(3DSTATE_DS), ds);
anv_batch_emit(&batch, GENX(3DSTATE_STREAMOUT), so);
anv_batch_emit(&batch, GENX(3DSTATE_AA_LINE_PARAMETERS), aa);
anv_batch_emit(&batch, GENX(3DSTATE_DRAWING_RECTANGLE), rect) {