graphics: add experimental Pro mode and linear PSSR

Co-authored-by: Joshua Jayasingh <joshuajayasingh08@gmail.com>

src/graphics/host_gpu/renderer/render.h

@@ -150,15 +150,21 @@ private:
 	friend class CommandScheduler;
 };
 
+namespace Pssr {
+struct Request;
+}
+
 class RenderExecutor {
 public:
 	explicit RenderExecutor(RenderContext& context): m_context(context) {}
+	~RenderExecutor();
 	KYTY_CLASS_NO_COPY(RenderExecutor);
 
 	void DispatchDirect(uint64_t submit_id, CommandBuffer& buffer, uint32_t thread_group_x,
 	                    uint32_t thread_group_y, uint32_t thread_group_z, uint32_t mode, bool async_compute);
 	void DispatchIndirect(uint64_t submit_id, CommandBuffer& buffer, uint64_t args_addr,
 	                      uint32_t mode, bool async_compute);
+	void ProcessPssr(CommandBuffer& buffer, const Pssr::Request& request);
 
 	void PrepareBindings(const ShaderStageRuntime& runtime, PreparedBindings& prepared);
 	void                           FindBuffers(std::span<PreparedBindings* const> stages);
@@ -219,6 +225,9 @@ private:
 	std::vector<ImageId>                  m_bound_images;
 	std::vector<vk::DescriptorImageInfo>  m_descriptor_images;
 	std::vector<vk::WriteDescriptorSet>   m_descriptor_writes;
+	vk::DescriptorSetLayout               m_pssr_descriptor_layout = nullptr;
+	vk::PipelineLayout                    m_pssr_pipeline_layout   = nullptr;
+	vk::Pipeline                          m_pssr_pipeline          = nullptr;
 
 	friend class CommandProcessor;
 	friend struct RenderExecutorTestAccess;