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Xenia-Canary/src/xenia/ui/vulkan/blitter.h
2017-12-21 22:38:35 -06:00

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3.8 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2016 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_UI_VULKAN_BLITTER_H_
#define XENIA_UI_VULKAN_BLITTER_H_
#include <map>
#include <memory>
#include "xenia/ui/vulkan/vulkan.h"
#include "xenia/ui/vulkan/vulkan_device.h"
namespace xe {
namespace ui {
namespace vulkan {
class DescriptorPool;
class Blitter {
public:
Blitter();
~Blitter();
VkResult Initialize(VulkanDevice* device);
void Scavenge();
void Shutdown();
// Queues commands to blit a texture to another texture.
//
// src_rect is the rectangle of pixels to copy from the source
// src_extents is the actual size of the source image
// dst_rect is the rectangle of pixels that are replaced with the source
// dst_extents is the actual size of the destination image
// dst_framebuffer must only have one attachment, the target texture.
// viewport is the viewport rect (set to {0, 0, dst_w, dst_h} if unsure)
// scissor is the scissor rect for the dest (set to dst size if unsure)
void BlitTexture2D(VkCommandBuffer command_buffer, VkFence fence,
VkImageView src_image_view, VkRect2D src_rect,
VkExtent2D src_extents, VkFormat dst_image_format,
VkRect2D dst_rect, VkExtent2D dst_extents,
VkFramebuffer dst_framebuffer, VkViewport viewport,
VkRect2D scissor, VkFilter filter, bool color_or_depth,
bool swap_channels);
void CopyColorTexture2D(VkCommandBuffer command_buffer, VkFence fence,
VkImage src_image, VkImageView src_image_view,
VkOffset2D src_offset, VkImage dst_image,
VkImageView dst_image_view, VkExtent2D extents,
VkFilter filter, bool swap_channels);
void CopyDepthTexture(VkCommandBuffer command_buffer, VkFence fence,
VkImage src_image, VkImageView src_image_view,
VkOffset2D src_offset, VkImage dst_image,
VkImageView dst_image_view, VkExtent2D extents);
// For framebuffer creation.
VkRenderPass GetRenderPass(VkFormat format, bool color_or_depth);
private:
struct VtxPushConstants {
float src_uv[4]; // 0x00
float dst_uv[4]; // 0x10
};
struct PixPushConstants {
int _pad[3]; // 0x20
int swap; // 0x2C
};
VkPipeline GetPipeline(VkRenderPass render_pass, VkShaderModule frag_shader,
bool color_or_depth);
VkRenderPass CreateRenderPass(VkFormat output_format, bool color_or_depth);
VkPipeline CreatePipeline(VkRenderPass render_pass,
VkShaderModule frag_shader, bool color_or_depth);
std::unique_ptr<DescriptorPool> descriptor_pool_ = nullptr;
VulkanDevice* device_ = nullptr;
VkPipeline pipeline_color_ = nullptr;
VkPipeline pipeline_depth_ = nullptr;
VkPipelineLayout pipeline_layout_ = nullptr;
VkShaderModule blit_vertex_ = nullptr;
VkShaderModule blit_color_ = nullptr;
VkShaderModule blit_depth_ = nullptr;
VkSampler samp_linear_ = nullptr;
VkSampler samp_nearest_ = nullptr;
VkDescriptorSetLayout descriptor_set_layout_ = nullptr;
std::map<VkFormat, VkRenderPass> render_passes_;
std::map<std::pair<VkRenderPass, VkShaderModule>, VkPipeline> pipelines_;
};
} // namespace vulkan
} // namespace ui
} // namespace xe
#endif // XENIA_UI_VULKAN_BLITTER_H_