forked from suyu/suyu
86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
// Copyright 2018 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <tuple>
|
|
|
|
#include "common/common_types.h"
|
|
#include "video_core/rasterizer_cache.h"
|
|
#include "video_core/renderer_opengl/gl_resource_manager.h"
|
|
#include "video_core/renderer_opengl/gl_stream_buffer.h"
|
|
|
|
namespace OpenGL {
|
|
|
|
class RasterizerOpenGL;
|
|
|
|
class CachedBufferEntry final : public RasterizerCacheObject {
|
|
public:
|
|
explicit CachedBufferEntry(VAddr cpu_addr, std::size_t size, GLintptr offset,
|
|
std::size_t alignment, u8* host_ptr);
|
|
|
|
VAddr GetCpuAddr() const override {
|
|
return cpu_addr;
|
|
}
|
|
|
|
std::size_t GetSizeInBytes() const override {
|
|
return size;
|
|
}
|
|
|
|
std::size_t GetSize() const {
|
|
return size;
|
|
}
|
|
|
|
GLintptr GetOffset() const {
|
|
return offset;
|
|
}
|
|
|
|
std::size_t GetAlignment() const {
|
|
return alignment;
|
|
}
|
|
|
|
// We do not have to flush this cache as things in it are never modified by us.
|
|
void Flush() override {}
|
|
|
|
private:
|
|
VAddr cpu_addr{};
|
|
std::size_t size{};
|
|
GLintptr offset{};
|
|
std::size_t alignment{};
|
|
};
|
|
|
|
class OGLBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> {
|
|
public:
|
|
explicit OGLBufferCache(RasterizerOpenGL& rasterizer, std::size_t size);
|
|
|
|
/// Uploads data from a guest GPU address. Returns host's buffer offset where it's been
|
|
/// allocated.
|
|
GLintptr UploadMemory(Tegra::GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
|
|
bool cache = true);
|
|
|
|
/// Uploads from a host memory. Returns host's buffer offset where it's been allocated.
|
|
GLintptr UploadHostMemory(const void* raw_pointer, std::size_t size, std::size_t alignment = 4);
|
|
|
|
/// Reserves memory to be used by host's CPU. Returns mapped address and offset.
|
|
std::tuple<u8*, GLintptr> ReserveMemory(std::size_t size, std::size_t alignment = 4);
|
|
|
|
bool Map(std::size_t max_size);
|
|
void Unmap();
|
|
|
|
GLuint GetHandle() const;
|
|
|
|
protected:
|
|
void AlignBuffer(std::size_t alignment);
|
|
|
|
private:
|
|
OGLStreamBuffer stream_buffer;
|
|
|
|
u8* buffer_ptr = nullptr;
|
|
GLintptr buffer_offset = 0;
|
|
GLintptr buffer_offset_base = 0;
|
|
};
|
|
|
|
} // namespace OpenGL
|