forked from suyu/suyu
32485917ba
Make stream buffer and cached buffers as resident and query their address. This allows us to use GPU addresses for several proprietary Nvidia extensions.
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
// 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 <array>
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#include <memory>
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#include "common/common_types.h"
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#include "video_core/buffer_cache/buffer_cache.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_stream_buffer.h"
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namespace Core {
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class System;
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}
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namespace OpenGL {
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class Device;
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class OGLStreamBuffer;
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class RasterizerOpenGL;
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class Buffer : public VideoCommon::BufferBlock {
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public:
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explicit Buffer(const Device& device, VAddr cpu_addr, std::size_t size);
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~Buffer();
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GLuint Handle() const noexcept {
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return gl_buffer.handle;
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}
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u64 Address() const noexcept {
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return gpu_address;
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}
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private:
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OGLBuffer gl_buffer;
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u64 gpu_address = 0;
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};
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using GenericBufferCache = VideoCommon::BufferCache<Buffer, GLuint, OGLStreamBuffer>;
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class OGLBufferCache final : public GenericBufferCache {
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public:
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explicit OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
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const Device& device, std::size_t stream_size);
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~OGLBufferCache();
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BufferInfo GetEmptyBuffer(std::size_t) override;
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void Acquire() noexcept {
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cbuf_cursor = 0;
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}
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protected:
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std::shared_ptr<Buffer> CreateBlock(VAddr cpu_addr, std::size_t size) override;
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void UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
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const u8* data) override;
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void DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
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u8* data) override;
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void CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
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std::size_t dst_offset, std::size_t size) override;
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BufferInfo ConstBufferUpload(const void* raw_pointer, std::size_t size) override;
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private:
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static constexpr std::size_t NUM_CBUFS = Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers *
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Tegra::Engines::Maxwell3D::Regs::MaxShaderProgram;
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const Device& device;
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std::size_t cbuf_cursor = 0;
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std::array<GLuint, NUM_CBUFS> cbufs{};
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};
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} // namespace OpenGL
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