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// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <glad/glad.h>
#include "common/assert.h"
#include "common/microprofile.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/gl_buffer_cache.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
namespace OpenGL {
MICROPROFILE_DEFINE(OpenGL_Buffer_Download, "OpenGL", "Buffer Download", MP_RGB(192, 192, 128));
CachedBufferBlock::CachedBufferBlock(CacheAddr cache_addr, const std::size_t size)
: VideoCommon::BufferBlock{cache_addr, size} {
gl_buffer.Create();
glNamedBufferData(gl_buffer.handle, static_cast<GLsizeiptr>(size), nullptr, GL_DYNAMIC_DRAW);
}
CachedBufferBlock::~CachedBufferBlock() = default;
OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
std::size_t stream_size)
: VideoCommon::BufferCache<Buffer, GLuint, OGLStreamBuffer>{
rasterizer, system, std::make_unique<OGLStreamBuffer>(stream_size, true)} {}
OGLBufferCache::~OGLBufferCache() = default;
Buffer OGLBufferCache::CreateBlock(CacheAddr cache_addr, std::size_t size) {
return std::make_shared<CachedBufferBlock>(cache_addr, size);
}
void OGLBufferCache::WriteBarrier() {
glMemoryBarrier(GL_ALL_BARRIER_BITS);
}
const GLuint* OGLBufferCache::ToHandle(const Buffer& buffer) {
return buffer->GetHandle();
}
const GLuint* OGLBufferCache::GetEmptyBuffer(std::size_t) {
static const GLuint null_buffer = 0;
return &null_buffer;
}
void OGLBufferCache::UploadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
const u8* data) {
glNamedBufferSubData(*buffer->GetHandle(), static_cast<GLintptr>(offset),
static_cast<GLsizeiptr>(size), data);
}
void OGLBufferCache::DownloadBlockData(const Buffer& buffer, std::size_t offset, std::size_t size,
u8* data) {
MICROPROFILE_SCOPE(OpenGL_Buffer_Download);
glGetNamedBufferSubData(*buffer->GetHandle(), static_cast<GLintptr>(offset),
static_cast<GLsizeiptr>(size), data);
}
void OGLBufferCache::CopyBlock(const Buffer& src, const Buffer& dst, std::size_t src_offset,
std::size_t dst_offset, std::size_t size) {
glCopyNamedBufferSubData(*src->GetHandle(), *dst->GetHandle(),
static_cast<GLintptr>(src_offset), static_cast<GLintptr>(dst_offset),
static_cast<GLsizeiptr>(size));
}
} // namespace OpenGL
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