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[Vulkan] Don't try to create geometry shader for rectangle list

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This commit is contained in:
Herman S.
2025-11-03 11:56:30 +09:00
parent ec5816a278
commit 5be503da77
1 changed files with 12 additions and 3 deletions
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15
src/xenia/gpu/vulkan/vulkan_pipeline_cache.cc
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@@ -553,7 +553,13 @@ bool VulkanPipelineCache::GetCurrentStateDescription(
primitive_topology = PipelinePrimitiveTopology::kTriangleStrip;
break;
case xenos::PrimitiveType::kRectangleList:
geometry_shader = PipelineGeometryShader::kRectangleList;
// Only use geometry shader if not using the fallback AsTriangleStrip
// vertex shader type (which is used when geometry shaders aren't
// supported).
if (primitive_processing_result.host_vertex_shader_type !=
Shader::HostVertexShaderType::kRectangleListAsTriangleStrip) {
geometry_shader = PipelineGeometryShader::kRectangleList;
}
primitive_topology = PipelinePrimitiveTopology::kTriangleList;
break;
case xenos::PrimitiveType::kQuadList:
@@ -765,12 +771,15 @@ bool VulkanPipelineCache::GetGeometryShaderKey(
// For kPointListAsTriangleStrip, output_point_parameters has a different
// meaning (the coordinates, not the size). However, the AsTriangleStrip host
// vertex shader types are needed specifically when geometry shaders are not
// supported as fallbacks.
// supported as fallbacks - in that case, geometry_shader_type should be kNone
// and this function shouldn't be called.
if (vertex_shader_modification.vertex.host_vertex_shader_type ==
Shader::HostVertexShaderType::kPointListAsTriangleStrip ||
vertex_shader_modification.vertex.host_vertex_shader_type ==
Shader::HostVertexShaderType::kRectangleListAsTriangleStrip) {
assert_always();
XELOGE(
"GetGeometryShaderKey: AsTriangleStrip vertex shader types should not "
"be used with geometry shaders");
return false;
}
GeometryShaderKey key;