Initial commit

src/graphics/host_gpu/renderer/shaderSubgroup.h

@@ -0,0 +1,31 @@
+#ifndef EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_SHADERSUBGROUP_H_
+#define EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_SHADERSUBGROUP_H_
+
+#include "graphics/host_gpu/graphicContext.h"
+#include "graphics/shader/recompiler/ShaderIR.h"
+
+namespace Libs::Graphics {
+
+enum class ShaderSubgroupMode {
+	Natural,
+	Controlled,
+	PerInvocationGraphics,
+	FlattenedMasks,
+	Unsupported
+};
+
+struct ShaderSubgroupConfiguration {
+	ShaderSubgroupMode mode          = ShaderSubgroupMode::Unsupported;
+	uint32_t           required_size = 0;
+};
+
+ShaderLaneMaskMode SelectGraphicsLaneMaskMode(const GraphicContext& context,
+                                              uint32_t              guest_wave_size);
+
+ShaderSubgroupConfiguration ConfigureShaderSubgroup(const GraphicContext&                context,
+                                                    VkShaderStageFlagBits                stage,
+                                                    const ShaderRecompiler::IR::Program& program);
+
+} // namespace Libs::Graphics
+
+#endif // EMULATOR_SRC_GRAPHICS_HOST_GPU_RENDERER_SHADERSUBGROUP_H_