Duckstation/src/frontend-common/vulkan_host_display.h

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#pragma once
#include "common/vulkan/staging_texture.h"
#include "common/vulkan/stream_buffer.h"
#include "common/vulkan/swap_chain.h"
#include "common/window_info.h"
#include "core/host_display.h"
#include "postprocessing_chain.h"
#include "vulkan_loader.h"
#include <memory>
#include <string_view>
namespace Vulkan {
class StreamBuffer;
class SwapChain;
} // namespace Vulkan
namespace FrontendCommon {
class VulkanHostDisplay final : public HostDisplay
{
public:
VulkanHostDisplay();
~VulkanHostDisplay();
RenderAPI GetRenderAPI() const override;
void* GetRenderDevice() const override;
void* GetRenderContext() const override;
bool HasRenderDevice() const override;
bool HasRenderSurface() const override;
bool CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device,
bool threaded_presentation) override;
bool InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device,
bool threaded_presentation) override;
void DestroyRenderDevice() override;
bool MakeRenderContextCurrent() override;
bool DoneRenderContextCurrent() override;
bool ChangeRenderWindow(const WindowInfo& new_wi) override;
void ResizeRenderWindow(s32 new_window_width, s32 new_window_height) override;
bool SupportsFullscreen() const override;
bool IsFullscreen() override;
bool SetFullscreen(bool fullscreen, u32 width, u32 height, float refresh_rate) override;
AdapterAndModeList GetAdapterAndModeList() override;
void DestroyRenderSurface() override;
bool SetPostProcessingChain(const std::string_view& config) override;
std::unique_ptr<HostDisplayTexture> CreateTexture(u32 width, u32 height, u32 layers, u32 levels, u32 samples,
HostDisplayPixelFormat format, const void* data, u32 data_stride,
bool dynamic = false) override;
void UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* texture_data,
u32 texture_data_stride) override;
bool DownloadTexture(const void* texture_handle, HostDisplayPixelFormat texture_format, u32 x, u32 y, u32 width,
u32 height, void* out_data, u32 out_data_stride) override;
bool SupportsDisplayPixelFormat(HostDisplayPixelFormat format) const override;
bool BeginSetDisplayPixels(HostDisplayPixelFormat format, u32 width, u32 height, void** out_buffer,
u32* out_pitch) override;
void EndSetDisplayPixels() override;
void SetVSync(bool enabled) override;
bool Render() override;
bool RenderScreenshot(u32 width, u32 height, std::vector<u32>* out_pixels, u32* out_stride,
HostDisplayPixelFormat* out_format) override;
static AdapterAndModeList StaticGetAdapterAndModeList(const WindowInfo* wi);
protected:
struct PushConstants
{
float src_rect_left;
float src_rect_top;
float src_rect_width;
float src_rect_height;
};
struct PostProcessingStage
{
PostProcessingStage() = default;
PostProcessingStage(PostProcessingStage&& move);
~PostProcessingStage();
VkPipeline pipeline = VK_NULL_HANDLE;
VkFramebuffer output_framebuffer = VK_NULL_HANDLE;
Vulkan::Texture output_texture;
u32 uniforms_size = 0;
};
bool CheckPostProcessingRenderTargets(u32 target_width, u32 target_height);
void ApplyPostProcessingChain(VkFramebuffer target_fb, s32 final_left, s32 final_top, s32 final_width,
s32 final_height, void* texture_handle, u32 texture_width, s32 texture_height,
s32 texture_view_x, s32 texture_view_y, s32 texture_view_width, s32 texture_view_height,
u32 target_width, u32 target_height);
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// Can be overridden by frontends.
VkRenderPass GetRenderPassForDisplay() const;
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bool CreateResources() override;
void DestroyResources() override;
bool CreateImGuiContext() override;
void DestroyImGuiContext() override;
bool UpdateImGuiFontTexture() override;
void BeginSwapChainRenderPass(VkFramebuffer framebuffer, u32 width, u32 height);
void RenderDisplay();
void RenderImGui();
void RenderSoftwareCursor();
void RenderDisplay(s32 left, s32 top, s32 width, s32 height, void* texture_handle, u32 texture_width,
s32 texture_height, s32 texture_view_x, s32 texture_view_y, s32 texture_view_width,
s32 texture_view_height, bool linear_filter);
void RenderSoftwareCursor(s32 left, s32 top, s32 width, s32 height, HostDisplayTexture* texture_handle);
std::unique_ptr<Vulkan::SwapChain> m_swap_chain;
VkDescriptorSetLayout m_descriptor_set_layout = VK_NULL_HANDLE;
VkPipelineLayout m_pipeline_layout = VK_NULL_HANDLE;
VkPipeline m_cursor_pipeline = VK_NULL_HANDLE;
VkPipeline m_display_pipeline = VK_NULL_HANDLE;
VkSampler m_point_sampler = VK_NULL_HANDLE;
VkSampler m_linear_sampler = VK_NULL_HANDLE;
Vulkan::Texture m_display_pixels_texture;
Vulkan::StagingTexture m_upload_staging_texture;
Vulkan::StagingTexture m_readback_staging_texture;
VkDescriptorSetLayout m_post_process_descriptor_set_layout = VK_NULL_HANDLE;
VkDescriptorSetLayout m_post_process_ubo_descriptor_set_layout = VK_NULL_HANDLE;
VkPipelineLayout m_post_process_pipeline_layout = VK_NULL_HANDLE;
VkPipelineLayout m_post_process_ubo_pipeline_layout = VK_NULL_HANDLE;
PostProcessingChain m_post_processing_chain;
Vulkan::Texture m_post_processing_input_texture;
VkFramebuffer m_post_processing_input_framebuffer = VK_NULL_HANDLE;
Vulkan::StreamBuffer m_post_processing_ubo;
std::vector<PostProcessingStage> m_post_processing_stages;
};
} // namespace FrontendCommon