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turnip: Parse tess state and support PATCH primtype 

This commit adds support for VK_PRIMITIVE_TOPOLOGY_PATCH_LIST
primitive topologies.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5059>
This commit is contained in:
Brian Ho 2020-04-24 08:51:04 -07:00 committed by Marge Bot
parent ff16e72545
commit eefdca2e2f
2 changed files with 18 additions and 1 deletions
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16
src/freedreno/vulkan/tu_pipeline.c
View File

@ -1929,6 +1929,21 @@ tu_pipeline_static_state(struct tu_pipeline *pipeline, struct tu_cs *cs,
return true;
}
static void
tu_pipeline_builder_parse_tessellation(struct tu_pipeline_builder *builder,
struct tu_pipeline *pipeline)
{
const VkPipelineTessellationStateCreateInfo *tess_info =
builder->create_info->pTessellationState;
if (!tess_info)
return;
assert(pipeline->ia.primtype == DI_PT_PATCHES0);
assert(tess_info->patchControlPoints <= 32);
pipeline->ia.primtype += tess_info->patchControlPoints;
}
static void
tu_pipeline_builder_parse_viewport(struct tu_pipeline_builder *builder,
struct tu_pipeline *pipeline)
@ -2151,6 +2166,7 @@ tu_pipeline_builder_build(struct tu_pipeline_builder *builder,
tu_pipeline_builder_parse_shader_stages(builder, *pipeline);
tu_pipeline_builder_parse_vertex_input(builder, *pipeline);
tu_pipeline_builder_parse_input_assembly(builder, *pipeline);
tu_pipeline_builder_parse_tessellation(builder, *pipeline);
tu_pipeline_builder_parse_viewport(builder, *pipeline);
tu_pipeline_builder_parse_rasterization(builder, *pipeline);
tu_pipeline_builder_parse_depth_stencil(builder, *pipeline);

3
src/freedreno/vulkan/tu_util.h
View File

@ -124,7 +124,8 @@ tu6_primtype(VkPrimitiveTopology topology)
[VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY] = DI_PT_LINESTRIP_ADJ,
[VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY] = DI_PT_TRI_ADJ,
[VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY] = DI_PT_TRISTRIP_ADJ,
[VK_PRIMITIVE_TOPOLOGY_PATCH_LIST] = 0,
/* Return PATCH0 and update in tu_pipeline_builder_parse_tessellation */
[VK_PRIMITIVE_TOPOLOGY_PATCH_LIST] = DI_PT_PATCHES0,
};
assert(topology < ARRAY_SIZE(lookup));
return lookup[topology];