diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_global_cache.h')
-rw-r--r-- | src/video_core/renderer_opengl/gl_global_cache.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_global_cache.h b/src/video_core/renderer_opengl/gl_global_cache.h new file mode 100644 index 000000000..37830bb7c --- /dev/null +++ b/src/video_core/renderer_opengl/gl_global_cache.h @@ -0,0 +1,78 @@ +// Copyright 2018 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <memory> +#include <unordered_map> + +#include <glad/glad.h> + +#include "common/assert.h" +#include "common/common_types.h" +#include "video_core/engines/maxwell_3d.h" +#include "video_core/rasterizer_cache.h" +#include "video_core/renderer_opengl/gl_resource_manager.h" + +namespace OpenGL { + +namespace GLShader { +class GlobalMemoryEntry; +} // namespace GLShader + +class RasterizerOpenGL; +class CachedGlobalRegion; +using GlobalRegion = std::shared_ptr<CachedGlobalRegion>; + +class CachedGlobalRegion final : public RasterizerCacheObject { +public: + explicit CachedGlobalRegion(VAddr addr, u32 size); + + /// Gets the address of the shader in guest memory, required for cache management + VAddr GetAddr() const { + return addr; + } + + /// Gets the size of the shader in guest memory, required for cache management + std::size_t GetSizeInBytes() const { + return size; + } + + /// Gets the GL program handle for the buffer + GLuint GetBufferHandle() const { + return buffer.handle; + } + + /// Reloads the global region from guest memory + void Reload(u32 size_); + + // TODO(Rodrigo): When global memory is written (STG), implement flushing + void Flush() override { + UNIMPLEMENTED(); + } + +private: + VAddr addr{}; + u32 size{}; + + OGLBuffer buffer; +}; + +class GlobalRegionCacheOpenGL final : public RasterizerCache<GlobalRegion> { +public: + explicit GlobalRegionCacheOpenGL(RasterizerOpenGL& rasterizer); + + /// Gets the current specified shader stage program + GlobalRegion GetGlobalRegion(const GLShader::GlobalMemoryEntry& descriptor, + Tegra::Engines::Maxwell3D::Regs::ShaderStage stage); + +private: + GlobalRegion TryGetReservedGlobalRegion(VAddr addr, u32 size) const; + GlobalRegion GetUncachedGlobalRegion(VAddr addr, u32 size); + void ReserveGlobalRegion(const GlobalRegion& region); + + std::unordered_map<VAddr, GlobalRegion> reserve; +}; + +} // namespace OpenGL |