anv: Perform rasterizer discard in the SOL stage instead of the clipper.
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:
@@ -119,6 +119,7 @@ genX(graphics_pipeline_create)(
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emit_3dstate_clip(pipeline, pCreateInfo->pViewportState,
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pCreateInfo->pRasterizationState, extra);
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emit_3dstate_streamout(pipeline, pCreateInfo->pRasterizationState);
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if (pCreateInfo->pMultisampleState &&
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pCreateInfo->pMultisampleState->rasterizationSamples > 1)
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@@ -185,6 +185,7 @@ genX(graphics_pipeline_create)(
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emit_3dstate_clip(pipeline, pCreateInfo->pViewportState,
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pCreateInfo->pRasterizationState, extra);
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emit_3dstate_streamout(pipeline, pCreateInfo->pRasterizationState);
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const struct brw_wm_prog_data *wm_prog_data = get_wm_prog_data(pipeline);
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anv_batch_emit(&pipeline->batch, GENX(3DSTATE_WM), wm) {
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@@ -666,8 +666,7 @@ emit_3dstate_clip(struct anv_pipeline *pipeline,
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clip.APIMode = APIMODE_D3D,
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clip.ViewportXYClipTestEnable = true;
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clip.ClipMode = rs_info->rasterizerDiscardEnable ?
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CLIPMODE_REJECT_ALL : CLIPMODE_NORMAL;
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clip.ClipMode = CLIPMODE_NORMAL;
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clip.TriangleStripListProvokingVertexSelect = 0;
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clip.LineStripListProvokingVertexSelect = 0;
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@@ -687,3 +686,12 @@ emit_3dstate_clip(struct anv_pipeline *pipeline,
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#endif
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}
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}
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static void
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emit_3dstate_streamout(struct anv_pipeline *pipeline,
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const VkPipelineRasterizationStateCreateInfo *rs_info)
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{
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anv_batch_emit(&pipeline->batch, GENX(3DSTATE_STREAMOUT), so) {
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so.RenderingDisable = rs_info->rasterizerDiscardEnable;
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}
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}
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@@ -58,7 +58,6 @@ genX(init_device_state)(struct anv_device *device)
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anv_batch_emit(&batch, GENX(3DSTATE_TE), ts);
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anv_batch_emit(&batch, GENX(3DSTATE_DS), ds);
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anv_batch_emit(&batch, GENX(3DSTATE_STREAMOUT), so);
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anv_batch_emit(&batch, GENX(3DSTATE_AA_LINE_PARAMETERS), aa);
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anv_batch_emit(&batch, GENX(3DSTATE_DRAWING_RECTANGLE), rect) {
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