mirror of
https://github.com/yuzu-mirror/yuzu.git
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gl_buffer_cache: Implement with generic buffer cache
This commit is contained in:
ReinUsesLisp
parent
32c0212b24
commit
1fa21fa192
@ -47,6 +47,9 @@ public:
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/// and invalidated
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virtual void FlushAndInvalidateRegion(CacheAddr addr, u64 size) = 0;
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/// Notify rasterizer that a frame is about to finish
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virtual void TickFrame() = 0;
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/// Attempt to use a faster method to perform a surface copy
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virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
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const Tegra::Engines::Fermi2D::Regs::Surface& dst,
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@ -2,192 +2,57 @@
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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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#include <cstring>
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#include <memory>
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#include <utility>
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#include "common/alignment.h"
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#include <glad/glad.h>
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#include "common/assert.h"
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#include "core/core.h"
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#include "video_core/memory_manager.h"
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#include "video_core/renderer_opengl/gl_buffer_cache.h"
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#include "video_core/renderer_opengl/gl_rasterizer.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 {
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constexpr GLuint EmptyBuffer = 0;
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constexpr GLintptr CachedBufferOffset = 0;
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OGLBuffer CreateBuffer(std::size_t size, GLenum usage) {
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OGLBuffer buffer;
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buffer.Create();
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glNamedBufferData(buffer.handle, size, nullptr, usage);
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return buffer;
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}
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} // Anonymous namespace
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CachedBufferEntry::CachedBufferEntry(VAddr cpu_addr, u8* host_ptr)
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: RasterizerCacheObject{host_ptr}, host_ptr{host_ptr}, cpu_addr{cpu_addr} {}
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OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system, std::size_t size)
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: RasterizerCache{rasterizer}, system{system}, stream_buffer(size, true) {}
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OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
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std::size_t stream_size)
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: VideoCommon::BufferCache<OGLBuffer, GLuint, OGLStreamBuffer>{
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rasterizer, system, std::make_unique<OGLStreamBuffer>(stream_size, true)} {}
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OGLBufferCache::~OGLBufferCache() = default;
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void OGLBufferCache::Unregister(const std::shared_ptr<CachedBufferEntry>& entry) {
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std::lock_guard lock{mutex};
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if (entry->IsInternalized()) {
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internalized_entries.erase(entry->GetCacheAddr());
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}
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ReserveBuffer(entry);
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RasterizerCache<std::shared_ptr<CachedBufferEntry>>::Unregister(entry);
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OGLBuffer OGLBufferCache::CreateBuffer(std::size_t size) {
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OGLBuffer buffer;
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buffer.Create();
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glNamedBufferData(buffer.handle, static_cast<GLsizeiptr>(size), nullptr, GL_DYNAMIC_DRAW);
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return buffer;
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}
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OGLBufferCache::BufferInfo OGLBufferCache::UploadMemory(GPUVAddr gpu_addr, std::size_t size,
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std::size_t alignment, bool internalize,
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bool is_written) {
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std::lock_guard lock{mutex};
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auto& memory_manager = system.GPU().MemoryManager();
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const auto host_ptr{memory_manager.GetPointer(gpu_addr)};
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const auto cache_addr{ToCacheAddr(host_ptr)};
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if (!host_ptr) {
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return {EmptyBuffer, 0};
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}
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// Cache management is a big overhead, so only cache entries with a given size.
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// TODO: Figure out which size is the best for given games.
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if (!internalize && size < 0x800 &&
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internalized_entries.find(cache_addr) == internalized_entries.end()) {
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return StreamBufferUpload(host_ptr, size, alignment);
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}
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auto entry = TryGet(host_ptr);
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if (!entry) {
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return FixedBufferUpload(gpu_addr, host_ptr, size, internalize, is_written);
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}
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if (entry->GetSize() < size) {
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GrowBuffer(entry, size);
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}
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if (is_written) {
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entry->MarkAsModified(true, *this);
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}
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return {entry->GetBuffer(), CachedBufferOffset};
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const GLuint* OGLBufferCache::ToHandle(const OGLBuffer& buffer) {
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return &buffer.handle;
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}
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OGLBufferCache::BufferInfo OGLBufferCache::UploadHostMemory(const void* raw_pointer,
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std::size_t size,
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std::size_t alignment) {
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std::lock_guard lock{mutex};
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return StreamBufferUpload(raw_pointer, size, alignment);
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const GLuint* OGLBufferCache::GetEmptyBuffer(std::size_t) {
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static const GLuint null_buffer = 0;
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return &null_buffer;
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}
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bool OGLBufferCache::Map(std::size_t max_size) {
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const auto max_size_ = static_cast<GLsizeiptr>(max_size);
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bool invalidate;
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std::tie(buffer_ptr, buffer_offset_base, invalidate) = stream_buffer.Map(max_size_, 4);
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buffer_offset = buffer_offset_base;
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return invalidate;
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void OGLBufferCache::UploadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size,
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const u8* data) {
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glNamedBufferSubData(buffer.handle, static_cast<GLintptr>(offset),
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static_cast<GLsizeiptr>(size), data);
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}
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void OGLBufferCache::Unmap() {
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stream_buffer.Unmap(buffer_offset - buffer_offset_base);
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void OGLBufferCache::DownloadBufferData(const OGLBuffer& buffer, std::size_t offset,
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std::size_t size, u8* data) {
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glGetNamedBufferSubData(buffer.handle, static_cast<GLintptr>(offset),
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static_cast<GLsizeiptr>(size), data);
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}
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void OGLBufferCache::FlushObjectInner(const std::shared_ptr<CachedBufferEntry>& entry) {
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glGetNamedBufferSubData(entry->GetBuffer(), 0, entry->GetSize(), entry->GetWritableHostPtr());
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}
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OGLBufferCache::BufferInfo OGLBufferCache::StreamBufferUpload(const void* raw_pointer,
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std::size_t size,
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std::size_t alignment) {
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AlignBuffer(alignment);
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const GLintptr uploaded_offset = buffer_offset;
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std::memcpy(buffer_ptr, raw_pointer, size);
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buffer_ptr += size;
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buffer_offset += size;
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return {stream_buffer.GetHandle(), uploaded_offset};
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}
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OGLBufferCache::BufferInfo OGLBufferCache::FixedBufferUpload(GPUVAddr gpu_addr, u8* host_ptr,
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std::size_t size, bool internalize,
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bool is_written) {
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auto& memory_manager = system.GPU().MemoryManager();
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const auto cpu_addr = *memory_manager.GpuToCpuAddress(gpu_addr);
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auto entry = GetUncachedBuffer(cpu_addr, host_ptr);
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entry->SetSize(size);
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entry->SetInternalState(internalize);
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Register(entry);
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if (internalize) {
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internalized_entries.emplace(ToCacheAddr(host_ptr));
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}
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if (is_written) {
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entry->MarkAsModified(true, *this);
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}
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if (entry->GetCapacity() < size) {
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entry->SetCapacity(CreateBuffer(size, GL_STATIC_DRAW), size);
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}
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glNamedBufferSubData(entry->GetBuffer(), 0, static_cast<GLintptr>(size), host_ptr);
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return {entry->GetBuffer(), CachedBufferOffset};
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}
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void OGLBufferCache::GrowBuffer(std::shared_ptr<CachedBufferEntry>& entry, std::size_t new_size) {
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const auto old_size = static_cast<GLintptr>(entry->GetSize());
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if (entry->GetCapacity() < new_size) {
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const auto old_buffer = entry->GetBuffer();
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OGLBuffer new_buffer = CreateBuffer(new_size, GL_STATIC_COPY);
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// Copy bits from the old buffer to the new buffer.
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glCopyNamedBufferSubData(old_buffer, new_buffer.handle, 0, 0, old_size);
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entry->SetCapacity(std::move(new_buffer), new_size);
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}
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// Upload the new bits.
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const auto size_diff = static_cast<GLintptr>(new_size - old_size);
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glNamedBufferSubData(entry->GetBuffer(), old_size, size_diff, entry->GetHostPtr() + old_size);
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// Update entry's size in the object and in the cache.
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entry->SetSize(new_size);
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Unregister(entry);
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Register(entry);
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}
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std::shared_ptr<CachedBufferEntry> OGLBufferCache::GetUncachedBuffer(VAddr cpu_addr, u8* host_ptr) {
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if (auto entry = TryGetReservedBuffer(host_ptr)) {
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return entry;
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}
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return std::make_shared<CachedBufferEntry>(cpu_addr, host_ptr);
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}
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std::shared_ptr<CachedBufferEntry> OGLBufferCache::TryGetReservedBuffer(u8* host_ptr) {
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const auto it = buffer_reserve.find(ToCacheAddr(host_ptr));
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if (it == buffer_reserve.end()) {
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return {};
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}
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auto& reserve = it->second;
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auto entry = reserve.back();
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reserve.pop_back();
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return entry;
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}
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void OGLBufferCache::ReserveBuffer(std::shared_ptr<CachedBufferEntry> entry) {
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buffer_reserve[entry->GetCacheAddr()].push_back(std::move(entry));
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}
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void OGLBufferCache::AlignBuffer(std::size_t alignment) {
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// Align the offset, not the mapped pointer
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const GLintptr offset_aligned =
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static_cast<GLintptr>(Common::AlignUp(static_cast<std::size_t>(buffer_offset), alignment));
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buffer_ptr += offset_aligned - buffer_offset;
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buffer_offset = offset_aligned;
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void OGLBufferCache::CopyBufferData(const OGLBuffer& src, const OGLBuffer& dst,
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std::size_t src_offset, std::size_t dst_offset,
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std::size_t size) {
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glCopyNamedBufferSubData(src.handle, dst.handle, static_cast<GLintptr>(src_offset),
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static_cast<GLintptr>(dst_offset), static_cast<GLsizeiptr>(size));
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}
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} // namespace OpenGL
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@ -4,15 +4,10 @@
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#pragma once
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#include <cstddef>
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#include <map>
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#include <memory>
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#include <tuple>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "common/common_types.h"
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#include "video_core/buffer_cache.h"
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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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#include "video_core/renderer_opengl/gl_stream_buffer.h"
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@ -23,112 +18,30 @@ class System;
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namespace OpenGL {
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class OGLStreamBuffer;
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class RasterizerOpenGL;
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class CachedBufferEntry final : public RasterizerCacheObject {
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class OGLBufferCache final : public VideoCommon::BufferCache<OGLBuffer, GLuint, OGLStreamBuffer> {
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public:
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explicit CachedBufferEntry(VAddr cpu_addr, u8* host_ptr);
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VAddr GetCpuAddr() const override {
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return cpu_addr;
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}
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std::size_t GetSizeInBytes() const override {
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return size;
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}
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u8* GetWritableHostPtr() const {
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return host_ptr;
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}
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std::size_t GetSize() const {
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return size;
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}
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std::size_t GetCapacity() const {
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return capacity;
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}
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bool IsInternalized() const {
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return is_internal;
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}
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GLuint GetBuffer() const {
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return buffer.handle;
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}
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void SetSize(std::size_t new_size) {
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size = new_size;
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}
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void SetInternalState(bool is_internal_) {
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is_internal = is_internal_;
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}
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void SetCapacity(OGLBuffer&& new_buffer, std::size_t new_capacity) {
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capacity = new_capacity;
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buffer = std::move(new_buffer);
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}
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private:
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u8* host_ptr{};
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VAddr cpu_addr{};
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std::size_t size{};
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std::size_t capacity{};
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bool is_internal{};
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OGLBuffer buffer;
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};
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class OGLBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> {
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using BufferInfo = std::pair<GLuint, GLintptr>;
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public:
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explicit OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system, std::size_t size);
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explicit OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system,
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std::size_t stream_size);
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~OGLBufferCache();
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void Unregister(const std::shared_ptr<CachedBufferEntry>& entry) override;
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/// Uploads data from a guest GPU address. Returns the OpenGL buffer where it's located and its
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/// offset.
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BufferInfo UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4,
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bool internalize = false, bool is_written = false);
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/// Uploads from a host memory. Returns the OpenGL buffer where it's located and its offset.
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BufferInfo UploadHostMemory(const void* raw_pointer, std::size_t size,
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std::size_t alignment = 4);
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bool Map(std::size_t max_size);
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void Unmap();
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protected:
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// We do not have to flush this cache as things in it are never modified by us.
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void FlushObjectInner(const std::shared_ptr<CachedBufferEntry>& entry) override;
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OGLBuffer CreateBuffer(std::size_t size) override;
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private:
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BufferInfo StreamBufferUpload(const void* raw_pointer, std::size_t size, std::size_t alignment);
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const GLuint* ToHandle(const OGLBuffer& buffer) override;
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BufferInfo FixedBufferUpload(GPUVAddr gpu_addr, u8* host_ptr, std::size_t size,
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bool internalize, bool is_written);
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const GLuint* GetEmptyBuffer(std::size_t) override;
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void GrowBuffer(std::shared_ptr<CachedBufferEntry>& entry, std::size_t new_size);
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void UploadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size,
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const u8* data) override;
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std::shared_ptr<CachedBufferEntry> GetUncachedBuffer(VAddr cpu_addr, u8* host_ptr);
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void DownloadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size,
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u8* data) override;
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std::shared_ptr<CachedBufferEntry> TryGetReservedBuffer(u8* host_ptr);
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void ReserveBuffer(std::shared_ptr<CachedBufferEntry> entry);
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void AlignBuffer(std::size_t alignment);
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Core::System& system;
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u8* buffer_ptr = nullptr;
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GLintptr buffer_offset = 0;
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GLintptr buffer_offset_base = 0;
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OGLStreamBuffer stream_buffer;
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std::unordered_set<CacheAddr> internalized_entries;
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std::unordered_map<CacheAddr, std::vector<std::shared_ptr<CachedBufferEntry>>> buffer_reserve;
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void CopyBufferData(const OGLBuffer& src, const OGLBuffer& dst, std::size_t src_offset,
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std::size_t dst_offset, std::size_t size) override;
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};
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} // namespace OpenGL
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@ -198,7 +198,8 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) {
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const auto [vertex_buffer, vertex_buffer_offset] = buffer_cache.UploadMemory(start, size);
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// Bind the vertex array to the buffer at the current offset.
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glVertexArrayVertexBuffer(vao, index, vertex_buffer, vertex_buffer_offset,
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// FIXME(Rodrigo): This dereferenced pointer might be invalidated in future uploads.
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glVertexArrayVertexBuffer(vao, index, *vertex_buffer, vertex_buffer_offset,
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vertex_array.stride);
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if (regs.instanced_arrays.IsInstancingEnabled(index) && vertex_array.divisor != 0) {
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@ -221,7 +222,8 @@ GLintptr RasterizerOpenGL::SetupIndexBuffer(GLuint vao) {
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const auto& regs = system.GPU().Maxwell3D().regs;
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const std::size_t size = CalculateIndexBufferSize();
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const auto [buffer, offset] = buffer_cache.UploadMemory(regs.index_array.IndexStart(), size);
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glVertexArrayElementBuffer(vao, buffer);
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// FIXME(Rodrigo): This dereferenced pointer might be invalidated in future uploads.
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glVertexArrayElementBuffer(vao, *buffer);
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return offset;
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}
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@ -255,10 +257,6 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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BaseBindings base_bindings;
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std::array<bool, Maxwell::NumClipDistances> clip_distances{};
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// Prepare packed bindings
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bind_ubo_pushbuffer.Setup(base_bindings.cbuf);
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bind_ssbo_pushbuffer.Setup(base_bindings.gmem);
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for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) {
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const auto& shader_config = gpu.regs.shader_config[index];
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const Maxwell::ShaderProgram program{static_cast<Maxwell::ShaderProgram>(index)};
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@ -328,9 +326,6 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
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base_bindings = next_bindings;
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}
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bind_ubo_pushbuffer.Bind();
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bind_ssbo_pushbuffer.Bind();
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SyncClipEnabled(clip_distances);
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gpu.dirty_flags.shaders = false;
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@ -644,11 +639,8 @@ void RasterizerOpenGL::DrawArrays() {
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buffer_size +=
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Maxwell::MaxConstBuffers * (MaxConstbufferSize + device.GetUniformBufferAlignment());
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const bool invalidate = buffer_cache.Map(buffer_size);
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if (invalidate) {
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// As all cached buffers are invalidated, we need to recheck their state.
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gpu.dirty_flags.vertex_array.set();
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}
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// Prepare the vertex array.
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buffer_cache.Map(buffer_size);
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// Prepare vertex array format.
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const GLuint vao = SetupVertexFormat();
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@ -660,6 +652,10 @@ void RasterizerOpenGL::DrawArrays() {
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// Setup draw parameters. It will automatically choose what glDraw* method to use.
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const DrawParameters params = SetupDraw(index_buffer_offset);
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// Prepare packed bindings.
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bind_ubo_pushbuffer.Setup(0);
|
||||
bind_ssbo_pushbuffer.Setup(0);
|
||||
|
||||
// Setup shaders and their used resources.
|
||||
texture_cache.GuardSamplers(true);
|
||||
SetupShaders(params.primitive_mode);
|
||||
@ -667,7 +663,17 @@ void RasterizerOpenGL::DrawArrays() {
|
||||
|
||||
ConfigureFramebuffers(state);
|
||||
|
||||
buffer_cache.Unmap();
|
||||
// Signal the buffer cache that we are not going to upload more things.
|
||||
const bool invalidate = buffer_cache.Unmap();
|
||||
|
||||
// Now that we are no longer uploading data, we can safely bind the buffers to OpenGL.
|
||||
bind_ubo_pushbuffer.Bind();
|
||||
bind_ssbo_pushbuffer.Bind();
|
||||
|
||||
if (invalidate) {
|
||||
// As all cached buffers are invalidated, we need to recheck their state.
|
||||
gpu.dirty_flags.vertex_array.set();
|
||||
}
|
||||
|
||||
shader_program_manager->ApplyTo(state);
|
||||
state.Apply();
|
||||
@ -709,6 +715,10 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(CacheAddr addr, u64 size) {
|
||||
InvalidateRegion(addr, size);
|
||||
}
|
||||
|
||||
void RasterizerOpenGL::TickFrame() {
|
||||
buffer_cache.TickFrame();
|
||||
}
|
||||
|
||||
bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
|
||||
const Tegra::Engines::Fermi2D::Regs::Surface& dst,
|
||||
const Tegra::Engines::Fermi2D::Config& copy_config) {
|
||||
|
||||
@ -62,6 +62,7 @@ public:
|
||||
void FlushRegion(CacheAddr addr, u64 size) override;
|
||||
void InvalidateRegion(CacheAddr addr, u64 size) override;
|
||||
void FlushAndInvalidateRegion(CacheAddr addr, u64 size) override;
|
||||
void TickFrame() override;
|
||||
bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
|
||||
const Tegra::Engines::Fermi2D::Regs::Surface& dst,
|
||||
const Tegra::Engines::Fermi2D::Config& copy_config) override;
|
||||
|
||||
@ -101,7 +101,6 @@ RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& emu_window, Core::Syst
|
||||
|
||||
RendererOpenGL::~RendererOpenGL() = default;
|
||||
|
||||
/// Swap buffers (render frame)
|
||||
void RendererOpenGL::SwapBuffers(
|
||||
std::optional<std::reference_wrapper<const Tegra::FramebufferConfig>> framebuffer) {
|
||||
|
||||
@ -130,6 +129,8 @@ void RendererOpenGL::SwapBuffers(
|
||||
|
||||
DrawScreen(render_window.GetFramebufferLayout());
|
||||
|
||||
rasterizer->TickFrame();
|
||||
|
||||
render_window.SwapBuffers();
|
||||
}
|
||||
|
||||
@ -262,7 +263,6 @@ void RendererOpenGL::CreateRasterizer() {
|
||||
if (rasterizer) {
|
||||
return;
|
||||
}
|
||||
// Initialize sRGB Usage
|
||||
OpenGLState::ClearsRGBUsed();
|
||||
rasterizer = std::make_unique<RasterizerOpenGL>(system, emu_window, screen_info);
|
||||
}
|
||||
|
||||
@ -19,23 +19,30 @@ BindBuffersRangePushBuffer::~BindBuffersRangePushBuffer() = default;
|
||||
|
||||
void BindBuffersRangePushBuffer::Setup(GLuint first_) {
|
||||
first = first_;
|
||||
buffers.clear();
|
||||
buffer_pointers.clear();
|
||||
offsets.clear();
|
||||
sizes.clear();
|
||||
}
|
||||
|
||||
void BindBuffersRangePushBuffer::Push(GLuint buffer, GLintptr offset, GLsizeiptr size) {
|
||||
buffers.push_back(buffer);
|
||||
void BindBuffersRangePushBuffer::Push(const GLuint* buffer, GLintptr offset, GLsizeiptr size) {
|
||||
buffer_pointers.push_back(buffer);
|
||||
offsets.push_back(offset);
|
||||
sizes.push_back(size);
|
||||
}
|
||||
|
||||
void BindBuffersRangePushBuffer::Bind() const {
|
||||
const std::size_t count{buffers.size()};
|
||||
void BindBuffersRangePushBuffer::Bind() {
|
||||
// Ensure sizes are valid.
|
||||
const std::size_t count{buffer_pointers.size()};
|
||||
DEBUG_ASSERT(count == offsets.size() && count == sizes.size());
|
||||
if (count == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Dereference buffers.
|
||||
buffers.resize(count);
|
||||
std::transform(buffer_pointers.begin(), buffer_pointers.end(), buffers.begin(),
|
||||
[](const GLuint* pointer) { return *pointer; });
|
||||
|
||||
glBindBuffersRange(target, first, static_cast<GLsizei>(count), buffers.data(), offsets.data(),
|
||||
sizes.data());
|
||||
}
|
||||
|
||||
@ -11,20 +11,22 @@
|
||||
|
||||
namespace OpenGL {
|
||||
|
||||
class BindBuffersRangePushBuffer {
|
||||
class BindBuffersRangePushBuffer final {
|
||||
public:
|
||||
BindBuffersRangePushBuffer(GLenum target);
|
||||
explicit BindBuffersRangePushBuffer(GLenum target);
|
||||
~BindBuffersRangePushBuffer();
|
||||
|
||||
void Setup(GLuint first_);
|
||||
|
||||
void Push(GLuint buffer, GLintptr offset, GLsizeiptr size);
|
||||
void Push(const GLuint* buffer, GLintptr offset, GLsizeiptr size);
|
||||
|
||||
void Bind() const;
|
||||
void Bind();
|
||||
|
||||
private:
|
||||
GLenum target;
|
||||
GLuint first;
|
||||
GLenum target{};
|
||||
GLuint first{};
|
||||
std::vector<const GLuint*> buffer_pointers;
|
||||
|
||||
std::vector<GLuint> buffers;
|
||||
std::vector<GLintptr> offsets;
|
||||
std::vector<GLsizeiptr> sizes;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user