2019-01-08 21:30:10 +01:00
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// Copyright 2018 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 <memory>
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2019-01-05 05:01:38 +01:00
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#include <unordered_map>
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2019-01-08 21:30:10 +01:00
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#include <glad/glad.h>
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2019-01-05 05:01:38 +01:00
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#include "common/assert.h"
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2019-01-08 21:30:10 +01:00
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#include "common/common_types.h"
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2019-01-05 05:01:38 +01:00
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#include "video_core/engines/maxwell_3d.h"
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2019-01-08 21:30:10 +01:00
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#include "video_core/rasterizer_cache.h"
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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namespace OpenGL {
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namespace GLShader {
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class GlobalMemoryEntry;
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} // namespace GLShader
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class RasterizerOpenGL;
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class CachedGlobalRegion;
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using GlobalRegion = std::shared_ptr<CachedGlobalRegion>;
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class CachedGlobalRegion final : public RasterizerCacheObject {
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public:
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explicit CachedGlobalRegion(VAddr addr, u32 size);
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/// Gets the address of the shader in guest memory, required for cache management
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VAddr GetAddr() const {
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return addr;
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}
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/// Gets the size of the shader in guest memory, required for cache management
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std::size_t GetSizeInBytes() const {
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return size;
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}
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/// Gets the GL program handle for the buffer
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GLuint GetBufferHandle() const {
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return buffer.handle;
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}
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2019-01-05 05:01:38 +01:00
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/// Reloads the global region from guest memory
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void Reload(u32 size_);
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2019-01-08 21:30:10 +01:00
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// TODO(Rodrigo): When global memory is written (STG), implement flushing
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void Flush() override {
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UNIMPLEMENTED();
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}
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private:
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VAddr addr{};
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u32 size{};
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OGLBuffer buffer;
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};
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class GlobalRegionCacheOpenGL final : public RasterizerCache<GlobalRegion> {
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public:
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explicit GlobalRegionCacheOpenGL(RasterizerOpenGL& rasterizer);
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2019-01-05 05:01:38 +01:00
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/// Gets the current specified shader stage program
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GlobalRegion GetGlobalRegion(const GLShader::GlobalMemoryEntry& descriptor,
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Tegra::Engines::Maxwell3D::Regs::ShaderStage stage);
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private:
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GlobalRegion TryGetReservedGlobalRegion(VAddr addr, u32 size) const;
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GlobalRegion GetUncachedGlobalRegion(VAddr addr, u32 size);
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void ReserveGlobalRegion(const GlobalRegion& region);
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std::unordered_map<VAddr, GlobalRegion> reserve;
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2019-01-08 21:30:10 +01:00
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};
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} // namespace OpenGL
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