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Refactor render-texture cache

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Implement `displayTransfer` in parity with the OpenGL renderer. Allow
arguments to `get{Color,Depth}RenderTexture`.
This commit is contained in:
Wunkolo 2023-08-16 22:36:25 -07:00
parent 97b6b7f122
commit 9e2781e874
2 changed files with 109 additions and 57 deletions
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23
include/renderer_vk/renderer_vk.hpp
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@ -1,6 +1,7 @@
#include <map>
#include <optional>
#include "math_util.hpp"
#include "renderer.hpp"
#include "vk_api.hpp"
@ -40,8 +41,6 @@ class RendererVK final : public Renderer {
// Todo: make this a configuration option
static constexpr usize frameBufferingCount = 3;
vk::UniqueDeviceMemory framebufferMemory = {};
// Frame-buffering data
// Each vector is `frameBufferingCount` in size
std::vector<vk::UniqueCommandBuffer> framePresentCommandBuffers = {};
@ -54,9 +53,21 @@ class RendererVK final : public Renderer {
// Todo:
// Use `{colourBuffer,depthBuffer}Loc` to maintain an std::map-cache of framebuffers
struct Texture {
u32 loc = 0;
u32 sizePerPixel = 0;
std::array<u32, 2> size = {};
vk::UniqueImage image;
vk::UniqueDeviceMemory imageMemory;
vk::UniqueImageView imageView;
Math::Rect<u32> getSubRect(u32 inputAddress, u32 width, u32 height) {
// PICA textures have top-left origin, same as Vulkan
const u32 startOffset = (inputAddress - loc) / sizePerPixel;
const u32 x0 = (startOffset % (size[0] * 8)) / 8;
const u32 y0 = (startOffset / (size[0] * 8)) * 8;
return Math::Rect<u32>{x0, y0, x0 + width, y0 + height};
}
};
// Hash(loc, size, format) -> Texture
std::map<u32, Texture> textureCache;
@ -64,12 +75,12 @@ class RendererVK final : public Renderer {
static u32 colorBufferHash(u32 loc, u32 size, PICA::ColorFmt format);
static u32 depthBufferHash(u32 loc, u32 size, PICA::DepthFmt format);
Texture& getColorRenderTexture();
Texture& getDepthRenderTexture();
Texture& getColorRenderTexture(u32 addr, PICA::ColorFmt format, u32 width, u32 height);
Texture& getDepthRenderTexture(u32 addr, PICA::DepthFmt format, u32 width, u32 height);
// Use `lower_bound` to find nearest texture for an address
// Blit them during `display()`
// Framebuffer for the top/bottom image
std::vector<vk::UniqueImage> screenTexture = {};
vk::UniqueDeviceMemory framebufferMemory = {};
std::map<u32, vk::UniqueRenderPass> renderPassCache;