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// Copyright 2017 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "VideoBackends/Vulkan/VulkanLoader.h"
#include "VideoCommon/AbstractFramebuffer.h"
#include "VideoCommon/AbstractStagingTexture.h"
#include "VideoCommon/AbstractTexture.h"
namespace Vulkan
{
class StagingBuffer;
class Texture2D;
class VKTexture final : public AbstractTexture
{
public:
// Custom image layouts, mainly used for switching to/from compute
enum class ComputeImageLayout
{
Undefined,
ReadOnly,
WriteOnly,
ReadWrite
};
VKTexture() = delete;
VKTexture(const TextureConfig& tex_config, VkDeviceMemory device_memory, VkImage image,
VkImageLayout layout = VK_IMAGE_LAYOUT_UNDEFINED,
ComputeImageLayout compute_layout = ComputeImageLayout::Undefined);
~VKTexture();
static VkFormat GetLinearFormat(VkFormat format);
static VkFormat GetVkFormatForHostTextureFormat(AbstractTextureFormat format);
static VkImageAspectFlags GetImageAspectForFormat(AbstractTextureFormat format);
static VkImageAspectFlags GetImageViewAspectForFormat(AbstractTextureFormat format);
void CopyRectangleFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect,
u32 dst_layer, u32 dst_level) override;
void ResolveFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& rect,
u32 layer, u32 level) override;
void Load(u32 level, u32 width, u32 height, u32 row_length, const u8* buffer,
size_t buffer_size) override;
void FinishedRendering() override;
VkImage GetImage() const { return m_image; }
VkDeviceMemory GetDeviceMemory() const { return m_device_memory; }
VkImageView GetView() const { return m_view; }
VkImageLayout GetLayout() const { return m_layout; }
VkFormat GetVkFormat() const { return GetVkFormatForHostTextureFormat(m_config.format); }
bool IsAdopted() const { return m_device_memory != VkDeviceMemory(VK_NULL_HANDLE); }
static std::unique_ptr<VKTexture> Create(const TextureConfig& tex_config);
static std::unique_ptr<VKTexture>
CreateAdopted(const TextureConfig& tex_config, VkImage image,
VkImageViewType view_type = VK_IMAGE_VIEW_TYPE_2D_ARRAY,
VkImageLayout layout = VK_IMAGE_LAYOUT_UNDEFINED);
// Used when the render pass is changing the image layout, or to force it to
// VK_IMAGE_LAYOUT_UNDEFINED, if the existing contents of the image is
// irrelevant and will not be loaded.
void OverrideImageLayout(VkImageLayout new_layout);
void TransitionToLayout(VkCommandBuffer command_buffer, VkImageLayout new_layout) const;
void TransitionToLayout(VkCommandBuffer command_buffer, ComputeImageLayout new_layout) const;
private:
bool CreateView(VkImageViewType type);
VkDeviceMemory m_device_memory;
VkImage m_image;
VkImageView m_view = VK_NULL_HANDLE;
mutable VkImageLayout m_layout = VK_IMAGE_LAYOUT_UNDEFINED;
mutable ComputeImageLayout m_compute_layout = ComputeImageLayout::Undefined;
};
class VKStagingTexture final : public AbstractStagingTexture
{
public:
VKStagingTexture() = delete;
~VKStagingTexture();
void CopyFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& src_rect,
u32 src_layer, u32 src_level,
const MathUtil::Rectangle<int>& dst_rect) override;
void CopyToTexture(const MathUtil::Rectangle<int>& src_rect, AbstractTexture* dst,
const MathUtil::Rectangle<int>& dst_rect, u32 dst_layer,
u32 dst_level) override;
bool Map() override;
void Unmap() override;
void Flush() override;
static std::unique_ptr<VKStagingTexture> Create(StagingTextureType type,
const TextureConfig& config);
private:
VKStagingTexture(StagingTextureType type, const TextureConfig& config,
std::unique_ptr<StagingBuffer> buffer);
std::unique_ptr<StagingBuffer> m_staging_buffer;
u64 m_flush_fence_counter = 0;
};
class VKFramebuffer final : public AbstractFramebuffer
{
public:
VKFramebuffer(VKTexture* color_attachment, VKTexture* depth_attachment, u32 width, u32 height,
u32 layers, u32 samples, VkFramebuffer fb, VkRenderPass load_render_pass,
VkRenderPass discard_render_pass, VkRenderPass clear_render_pass);
~VKFramebuffer() override;
VkFramebuffer GetFB() const { return m_fb; }
VkRect2D GetRect() const { return VkRect2D{{0, 0}, {m_width, m_height}}; }
VkRenderPass GetLoadRenderPass() const { return m_load_render_pass; }
VkRenderPass GetDiscardRenderPass() const { return m_discard_render_pass; }
VkRenderPass GetClearRenderPass() const { return m_clear_render_pass; }
void TransitionForRender();
static std::unique_ptr<VKFramebuffer> Create(VKTexture* color_attachments,
VKTexture* depth_attachment);
protected:
VkFramebuffer m_fb;
VkRenderPass m_load_render_pass;
VkRenderPass m_discard_render_pass;
VkRenderPass m_clear_render_pass;
};
} // namespace Vulkan
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