forked from suyu/suyu
fb6cf12a17
Pack color attachment enumerations into a single u32. To determine the number of buffers, the highest color attachment with a shared pointer that doesn't point to null is used.
70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <cstddef>
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#include <unordered_map>
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#include <glad/glad.h>
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#include "common/common_types.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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#include "video_core/renderer_opengl/gl_state.h"
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#include "video_core/renderer_opengl/gl_texture_cache.h"
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namespace OpenGL {
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constexpr std::size_t BitsPerAttachment = 4;
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struct FramebufferCacheKey {
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View zeta;
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std::array<View, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> colors;
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u32 color_attachments = 0;
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std::size_t Hash() const noexcept;
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bool operator==(const FramebufferCacheKey& rhs) const noexcept;
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bool operator!=(const FramebufferCacheKey& rhs) const noexcept {
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return !operator==(rhs);
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}
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void SetAttachment(std::size_t index, u32 attachment) {
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color_attachments |= attachment << (BitsPerAttachment * index);
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}
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};
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} // namespace OpenGL
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namespace std {
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template <>
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struct hash<OpenGL::FramebufferCacheKey> {
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std::size_t operator()(const OpenGL::FramebufferCacheKey& k) const noexcept {
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return k.Hash();
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}
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};
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} // namespace std
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namespace OpenGL {
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class FramebufferCacheOpenGL {
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public:
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FramebufferCacheOpenGL();
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~FramebufferCacheOpenGL();
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GLuint GetFramebuffer(const FramebufferCacheKey& key);
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private:
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OGLFramebuffer CreateFramebuffer(const FramebufferCacheKey& key);
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OpenGLState local_state;
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std::unordered_map<FramebufferCacheKey, OGLFramebuffer> cache;
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};
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} // namespace OpenGL
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