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lavapipe: handle tessellation domain winding 

Fixes: dEQP-VK.tessellation.winding.*

Acked-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9238>
This commit is contained in:
Dave Airlie 2020-12-22 17:29:45 +10:00
parent 52eb47c8d4
commit 83c4e94196
1 changed files with 5 additions and 1 deletions
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6
src/gallium/frontends/lavapipe/lvp_pipeline.c
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@ -798,7 +798,11 @@ lvp_graphics_pipeline_init(struct lvp_pipeline *pipeline,
if (pipeline->pipeline_nir[MESA_SHADER_TESS_CTRL]) {
nir_lower_patch_vertices(pipeline->pipeline_nir[MESA_SHADER_TESS_EVAL], pipeline->pipeline_nir[MESA_SHADER_TESS_CTRL]->info.tess.tcs_vertices_out, NULL);
merge_tess_info(&pipeline->pipeline_nir[MESA_SHADER_TESS_EVAL]->info, &pipeline->pipeline_nir[MESA_SHADER_TESS_CTRL]->info);
pipeline->pipeline_nir[MESA_SHADER_TESS_EVAL]->info.tess.ccw = !pipeline->pipeline_nir[MESA_SHADER_TESS_EVAL]->info.tess.ccw;
const VkPipelineTessellationDomainOriginStateCreateInfo *domain_origin_state =
vk_find_struct_const(pCreateInfo->pTessellationState,
PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO);
if (!domain_origin_state || domain_origin_state->domainOrigin == VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT)
pipeline->pipeline_nir[MESA_SHADER_TESS_EVAL]->info.tess.ccw = !pipeline->pipeline_nir[MESA_SHADER_TESS_EVAL]->info.tess.ccw;
}