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Merge pull request #10476 from ameerj/gl-memory-maps

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OpenGL: Make use of persistent buffer maps in buffer cache
This commit is contained in:
liamwhite 2023-06-07 14:03:57 -04:00 committed by GitHub
commit cfb76d8f3e
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 316 additions and 204 deletions
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4
src/video_core/CMakeLists.txt
View file

@ -133,8 +133,8 @@ add_library(video_core STATIC
renderer_opengl/gl_shader_util.h
renderer_opengl/gl_state_tracker.cpp
renderer_opengl/gl_state_tracker.h
renderer_opengl/gl_stream_buffer.cpp
renderer_opengl/gl_stream_buffer.h
renderer_opengl/gl_staging_buffer_pool.cpp
renderer_opengl/gl_staging_buffer_pool.h
renderer_opengl/gl_texture_cache.cpp
renderer_opengl/gl_texture_cache.h
renderer_opengl/gl_texture_cache_base.cpp

10
src/video_core/buffer_cache/buffer_cache.h
View file

@ -478,7 +478,6 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
if (committed_ranges.empty()) {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
async_buffers.emplace_back(std::optional<Async_Buffer>{});
}
return;
@ -539,7 +538,6 @@ void BufferCache<P>::CommitAsyncFlushesHigh() {
committed_ranges.clear();
if (downloads.empty()) {
if constexpr (IMPLEMENTS_ASYNC_DOWNLOADS) {
async_buffers.emplace_back(std::optional<Async_Buffer>{});
}
return;
@ -691,7 +689,7 @@ void BufferCache<P>::BindHostIndexBuffer() {
const u32 size = channel_state->index_buffer.size;
const auto& draw_state = maxwell3d->draw_manager->GetDrawState();
if (!draw_state.inline_index_draw_indexes.empty()) [[unlikely]] {
if constexpr (USE_MEMORY_MAPS) {
if constexpr (USE_MEMORY_MAPS_FOR_UPLOADS) {
auto upload_staging = runtime.UploadStagingBuffer(size);
std::array<BufferCopy, 1> copies{
{BufferCopy{.src_offset = upload_staging.offset, .dst_offset = 0, .size = size}}};
@ -1462,7 +1460,7 @@ bool BufferCache<P>::SynchronizeBufferNoModified(Buffer& buffer, VAddr cpu_addr,
template <class P>
void BufferCache<P>::UploadMemory(Buffer& buffer, u64 total_size_bytes, u64 largest_copy,
std::span<BufferCopy> copies) {
if constexpr (USE_MEMORY_MAPS) {
if constexpr (USE_MEMORY_MAPS_FOR_UPLOADS) {
MappedUploadMemory(buffer, total_size_bytes, copies);
} else {
ImmediateUploadMemory(buffer, largest_copy, copies);
@ -1473,7 +1471,7 @@ template <class P>
void BufferCache<P>::ImmediateUploadMemory([[maybe_unused]] Buffer& buffer,
[[maybe_unused]] u64 largest_copy,
[[maybe_unused]] std::span<const BufferCopy> copies) {
if constexpr (!USE_MEMORY_MAPS) {
if constexpr (!USE_MEMORY_MAPS_FOR_UPLOADS) {
std::span<u8> immediate_buffer;
for (const BufferCopy& copy : copies) {
std::span<const u8> upload_span;
@ -1532,7 +1530,7 @@ bool BufferCache<P>::InlineMemory(VAddr dest_address, size_t copy_size,
auto& buffer = slot_buffers[buffer_id];
SynchronizeBuffer(buffer, dest_address, static_cast<u32>(copy_size));
if constexpr (USE_MEMORY_MAPS) {
if constexpr (USE_MEMORY_MAPS_FOR_UPLOADS) {
auto upload_staging = runtime.UploadStagingBuffer(copy_size);
std::array copies{BufferCopy{
.src_offset = upload_staging.offset,

1
src/video_core/buffer_cache/buffer_cache_base.h
View file

@ -173,6 +173,7 @@ class BufferCache : public VideoCommon::ChannelSetupCaches<BufferCacheChannelInf
static constexpr bool USE_MEMORY_MAPS = P::USE_MEMORY_MAPS;
static constexpr bool SEPARATE_IMAGE_BUFFERS_BINDINGS = P::SEPARATE_IMAGE_BUFFER_BINDINGS;
static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = P::IMPLEMENTS_ASYNC_DOWNLOADS;
static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = P::USE_MEMORY_MAPS_FOR_UPLOADS;
static constexpr s64 DEFAULT_EXPECTED_MEMORY = 512_MiB;
static constexpr s64 DEFAULT_CRITICAL_MEMORY = 1_GiB;

58
src/video_core/renderer_opengl/gl_buffer_cache.cpp
View file

@ -106,8 +106,10 @@ GLuint Buffer::View(u32 offset, u32 size, PixelFormat format) {
return views.back().texture.handle;
}
BufferCacheRuntime::BufferCacheRuntime(const Device& device_)
: device{device_}, has_fast_buffer_sub_data{device.HasFastBufferSubData()},
BufferCacheRuntime::BufferCacheRuntime(const Device& device_,
StagingBufferPool& staging_buffer_pool_)
: device{device_}, staging_buffer_pool{staging_buffer_pool_},
has_fast_buffer_sub_data{device.HasFastBufferSubData()},
use_assembly_shaders{device.UseAssemblyShaders()},
has_unified_vertex_buffers{device.HasVertexBufferUnifiedMemory()},
stream_buffer{has_fast_buffer_sub_data ? std::nullopt : std::make_optional<StreamBuffer>()} {
@ -140,6 +142,14 @@ BufferCacheRuntime::BufferCacheRuntime(const Device& device_)
}();
}
StagingBufferMap BufferCacheRuntime::UploadStagingBuffer(size_t size) {
return staging_buffer_pool.RequestUploadBuffer(size);
}
StagingBufferMap BufferCacheRuntime::DownloadStagingBuffer(size_t size) {
return staging_buffer_pool.RequestDownloadBuffer(size);
}
u64 BufferCacheRuntime::GetDeviceMemoryUsage() const {
if (device.CanReportMemoryUsage()) {
return device_access_memory - device.GetCurrentDedicatedVideoMemory();
@ -147,13 +157,47 @@ u64 BufferCacheRuntime::GetDeviceMemoryUsage() const {
return 2_GiB;
}
void BufferCacheRuntime::CopyBuffer(GLuint dst_buffer, GLuint src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier) {
if (barrier) {
PreCopyBarrier();
}
for (const VideoCommon::BufferCopy& copy : copies) {
glCopyNamedBufferSubData(src_buffer, dst_buffer, static_cast<GLintptr>(copy.src_offset),
static_cast<GLintptr>(copy.dst_offset),
static_cast<GLsizeiptr>(copy.size));
}
if (barrier) {
PostCopyBarrier();
}
}
void BufferCacheRuntime::CopyBuffer(GLuint dst_buffer, Buffer& src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier) {
CopyBuffer(dst_buffer, src_buffer.Handle(), copies, barrier);
}
void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, GLuint src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier) {
CopyBuffer(dst_buffer.Handle(), src_buffer, copies, barrier);
}
void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer,
std::span<const VideoCommon::BufferCopy> copies) {
for (const VideoCommon::BufferCopy& copy : copies) {
glCopyNamedBufferSubData(
src_buffer.Handle(), dst_buffer.Handle(), static_cast<GLintptr>(copy.src_offset),
static_cast<GLintptr>(copy.dst_offset), static_cast<GLsizeiptr>(copy.size));
}
CopyBuffer(dst_buffer.Handle(), src_buffer.Handle(), copies);
}
void BufferCacheRuntime::PreCopyBarrier() {
// TODO: finer grained barrier?
glMemoryBarrier(GL_ALL_BARRIER_BITS);
}
void BufferCacheRuntime::PostCopyBarrier() {
glMemoryBarrier(GL_BUFFER_UPDATE_BARRIER_BIT | GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
}
void BufferCacheRuntime::Finish() {
glFinish();
}
void BufferCacheRuntime::ClearBuffer(Buffer& dest_buffer, u32 offset, size_t size, u32 value) {

29
src/video_core/renderer_opengl/gl_buffer_cache.h
View file

@ -12,7 +12,7 @@
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_stream_buffer.h"
#include "video_core/renderer_opengl/gl_staging_buffer_pool.h"
namespace OpenGL {
@ -60,11 +60,28 @@ class BufferCacheRuntime {
public:
static constexpr u8 INVALID_BINDING = std::numeric_limits<u8>::max();
explicit BufferCacheRuntime(const Device& device_);
explicit BufferCacheRuntime(const Device& device_, StagingBufferPool& staging_buffer_pool_);
[[nodiscard]] StagingBufferMap UploadStagingBuffer(size_t size);
[[nodiscard]] StagingBufferMap DownloadStagingBuffer(size_t size);
void CopyBuffer(GLuint dst_buffer, GLuint src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier = true);
void CopyBuffer(GLuint dst_buffer, Buffer& src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier = true);
void CopyBuffer(Buffer& dst_buffer, GLuint src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier = true);
void CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer,
std::span<const VideoCommon::BufferCopy> copies);
void PreCopyBarrier();
void PostCopyBarrier();
void Finish();
void ClearBuffer(Buffer& dest_buffer, u32 offset, size_t size, u32 value);
void BindIndexBuffer(Buffer& buffer, u32 offset, u32 size);
@ -169,6 +186,7 @@ private:
};
const Device& device;
StagingBufferPool& staging_buffer_pool;
bool has_fast_buffer_sub_data = false;
bool use_assembly_shaders = false;
@ -201,7 +219,7 @@ private:
struct BufferCacheParams {
using Runtime = OpenGL::BufferCacheRuntime;
using Buffer = OpenGL::Buffer;
using Async_Buffer = u32;
using Async_Buffer = OpenGL::StagingBufferMap;
using MemoryTracker = VideoCommon::MemoryTrackerBase<VideoCore::RasterizerInterface>;
static constexpr bool IS_OPENGL = true;
@ -209,9 +227,12 @@ struct BufferCacheParams {
static constexpr bool HAS_FULL_INDEX_AND_PRIMITIVE_SUPPORT = true;
static constexpr bool NEEDS_BIND_UNIFORM_INDEX = true;
static constexpr bool NEEDS_BIND_STORAGE_INDEX = true;
static constexpr bool USE_MEMORY_MAPS = false;
static constexpr bool USE_MEMORY_MAPS = true;
static constexpr bool SEPARATE_IMAGE_BUFFER_BINDINGS = true;
static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = false;
// TODO: Investigate why OpenGL seems to perform worse with persistently mapped buffer uploads
static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = false;
};
using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;

6
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -24,6 +24,7 @@
#include "video_core/renderer_opengl/gl_query_cache.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_cache.h"
#include "video_core/renderer_opengl/gl_staging_buffer_pool.h"
#include "video_core/renderer_opengl/gl_texture_cache.h"
#include "video_core/renderer_opengl/maxwell_to_gl.h"
#include "video_core/renderer_opengl/renderer_opengl.h"
@ -58,8 +59,9 @@ RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra
StateTracker& state_tracker_)
: RasterizerAccelerated(cpu_memory_), gpu(gpu_), device(device_), screen_info(screen_info_),
program_manager(program_manager_), state_tracker(state_tracker_),
texture_cache_runtime(device, program_manager, state_tracker),
texture_cache(texture_cache_runtime, *this), buffer_cache_runtime(device),
texture_cache_runtime(device, program_manager, state_tracker, staging_buffer_pool),
texture_cache(texture_cache_runtime, *this),
buffer_cache_runtime(device, staging_buffer_pool),
buffer_cache(*this, cpu_memory_, buffer_cache_runtime),
shader_cache(*this, emu_window_, device, texture_cache, buffer_cache, program_manager,
state_tracker, gpu.ShaderNotify()),

1
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -230,6 +230,7 @@ private:
ProgramManager& program_manager;
StateTracker& state_tracker;
StagingBufferPool staging_buffer_pool;
TextureCacheRuntime texture_cache_runtime;
TextureCache texture_cache;
BufferCacheRuntime buffer_cache_runtime;

150
src/video_core/renderer_opengl/gl_staging_buffer_pool.cpp Normal file
View file

@ -0,0 +1,150 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <memory>
#include <span>
#include <glad/glad.h>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/bit_util.h"
#include "common/microprofile.h"
#include "video_core/renderer_opengl/gl_staging_buffer_pool.h"
MICROPROFILE_DEFINE(OpenGL_BufferRequest, "OpenGL", "BufferRequest", MP_RGB(128, 128, 192));
namespace OpenGL {
StagingBufferMap::~StagingBufferMap() {
if (sync) {
sync->Create();
}
}
StagingBuffers::StagingBuffers(GLenum storage_flags_, GLenum map_flags_)
: storage_flags{storage_flags_}, map_flags{map_flags_} {}
StagingBuffers::~StagingBuffers() = default;
StagingBufferMap StagingBuffers::RequestMap(size_t requested_size, bool insert_fence) {
MICROPROFILE_SCOPE(OpenGL_BufferRequest);
const size_t index = RequestBuffer(requested_size);
OGLSync* const sync = insert_fence ? &syncs[index] : nullptr;
sync_indices[index] = insert_fence ? ++current_sync_index : 0;
return StagingBufferMap{
.mapped_span = std::span(maps[index], requested_size),
.sync = sync,
.buffer = buffers[index].handle,
};
}
size_t StagingBuffers::RequestBuffer(size_t requested_size) {
if (const std::optional<size_t> index = FindBuffer(requested_size); index) {
return *index;
}
OGLBuffer& buffer = buffers.emplace_back();
buffer.Create();
const auto next_pow2_size = Common::NextPow2(requested_size);
glNamedBufferStorage(buffer.handle, next_pow2_size, nullptr,
storage_flags | GL_MAP_PERSISTENT_BIT);
maps.push_back(static_cast<u8*>(glMapNamedBufferRange(buffer.handle, 0, next_pow2_size,
map_flags | GL_MAP_PERSISTENT_BIT)));
syncs.emplace_back();
sync_indices.emplace_back();
sizes.push_back(next_pow2_size);
ASSERT(syncs.size() == buffers.size() && buffers.size() == maps.size() &&
maps.size() == sizes.size());
return buffers.size() - 1;
}
std::optional<size_t> StagingBuffers::FindBuffer(size_t requested_size) {
size_t known_unsignaled_index = current_sync_index + 1;
size_t smallest_buffer = std::numeric_limits<size_t>::max();
std::optional<size_t> found;
const size_t num_buffers = sizes.size();
for (size_t index = 0; index < num_buffers; ++index) {
const size_t buffer_size = sizes[index];
if (buffer_size < requested_size || buffer_size >= smallest_buffer) {
continue;
}
if (syncs[index].handle != 0) {
if (sync_indices[index] >= known_unsignaled_index) {
// This fence is later than a fence that is known to not be signaled
continue;
}
if (!syncs[index].IsSignaled()) {
// Since this fence hasn't been signaled, it's safe to assume all later
// fences haven't been signaled either
known_unsignaled_index = std::min(known_unsignaled_index, sync_indices[index]);
continue;
}
syncs[index].Release();
}
smallest_buffer = buffer_size;
found = index;
}
return found;
}
StreamBuffer::StreamBuffer() {
static constexpr GLenum flags = GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT;
buffer.Create();
glObjectLabel(GL_BUFFER, buffer.handle, -1, "Stream Buffer");
glNamedBufferStorage(buffer.handle, STREAM_BUFFER_SIZE, nullptr, flags);
mapped_pointer =
static_cast<u8*>(glMapNamedBufferRange(buffer.handle, 0, STREAM_BUFFER_SIZE, flags));
for (OGLSync& sync : fences) {
sync.Create();
}
}
std::pair<std::span<u8>, size_t> StreamBuffer::Request(size_t size) noexcept {
ASSERT(size < REGION_SIZE);
for (size_t region = Region(used_iterator), region_end = Region(iterator); region < region_end;
++region) {
fences[region].Create();
}
used_iterator = iterator;
for (size_t region = Region(free_iterator) + 1,
region_end = std::min(Region(iterator + size) + 1, NUM_SYNCS);
region < region_end; ++region) {
glClientWaitSync(fences[region].handle, 0, GL_TIMEOUT_IGNORED);
fences[region].Release();
}
if (iterator + size >= free_iterator) {
free_iterator = iterator + size;
}
if (iterator + size > STREAM_BUFFER_SIZE) {
for (size_t region = Region(used_iterator); region < NUM_SYNCS; ++region) {
fences[region].Create();
}
used_iterator = 0;
iterator = 0;
free_iterator = size;
for (size_t region = 0, region_end = Region(size); region <= region_end; ++region) {
glClientWaitSync(fences[region].handle, 0, GL_TIMEOUT_IGNORED);
fences[region].Release();
}
}
const size_t offset = iterator;
iterator = Common::AlignUp(iterator + size, MAX_ALIGNMENT);
return {std::span(mapped_pointer + offset, size), offset};
}
StagingBufferMap StagingBufferPool::RequestUploadBuffer(size_t size) {
return upload_buffers.RequestMap(size, true);
}
StagingBufferMap StagingBufferPool::RequestDownloadBuffer(size_t size) {
return download_buffers.RequestMap(size, false);
}
} // namespace OpenGL

44
src/video_core/renderer_opengl/gl_stream_buffer.h → src/video_core/renderer_opengl/gl_staging_buffer_pool.h
View file

@ -4,8 +4,10 @@
#pragma once
#include <array>
#include <optional>
#include <span>
#include <utility>
#include <vector>
#include <glad/glad.h>
@ -17,6 +19,35 @@ namespace OpenGL {
using namespace Common::Literals;
struct StagingBufferMap {
~StagingBufferMap();
std::span<u8> mapped_span;
size_t offset = 0;
OGLSync* sync;
GLuint buffer;
};
struct StagingBuffers {
explicit StagingBuffers(GLenum storage_flags_, GLenum map_flags_);
~StagingBuffers();
StagingBufferMap RequestMap(size_t requested_size, bool insert_fence);
size_t RequestBuffer(size_t requested_size);
std::optional<size_t> FindBuffer(size_t requested_size);
std::vector<OGLSync> syncs;
std::vector<OGLBuffer> buffers;
std::vector<u8*> maps;
std::vector<size_t> sizes;
std::vector<size_t> sync_indices;
GLenum storage_flags;
GLenum map_flags;
size_t current_sync_index = 0;
};
class StreamBuffer {
static constexpr size_t STREAM_BUFFER_SIZE = 64_MiB;
static constexpr size_t NUM_SYNCS = 16;
@ -48,4 +79,17 @@ private:
std::array<OGLSync, NUM_SYNCS> fences;
};
class StagingBufferPool {
public:
StagingBufferPool() = default;
~StagingBufferPool() = default;
StagingBufferMap RequestUploadBuffer(size_t size);
StagingBufferMap RequestDownloadBuffer(size_t size);
private:
StagingBuffers upload_buffers{GL_MAP_WRITE_BIT, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT};
StagingBuffers download_buffers{GL_MAP_READ_BIT | GL_CLIENT_STORAGE_BIT, GL_MAP_READ_BIT};
};
} // namespace OpenGL

63
src/video_core/renderer_opengl/gl_stream_buffer.cpp
View file

@ -1,63 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <memory>
#include <span>
#include <glad/glad.h>
#include "common/alignment.h"
#include "common/assert.h"
#include "video_core/renderer_opengl/gl_stream_buffer.h"
namespace OpenGL {
StreamBuffer::StreamBuffer() {
static constexpr GLenum flags = GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT;
buffer.Create();
glObjectLabel(GL_BUFFER, buffer.handle, -1, "Stream Buffer");
glNamedBufferStorage(buffer.handle, STREAM_BUFFER_SIZE, nullptr, flags);
mapped_pointer =
static_cast<u8*>(glMapNamedBufferRange(buffer.handle, 0, STREAM_BUFFER_SIZE, flags));
for (OGLSync& sync : fences) {
sync.Create();
}
}
std::pair<std::span<u8>, size_t> StreamBuffer::Request(size_t size) noexcept {
ASSERT(size < REGION_SIZE);
for (size_t region = Region(used_iterator), region_end = Region(iterator); region < region_end;
++region) {
fences[region].Create();
}
used_iterator = iterator;
for (size_t region = Region(free_iterator) + 1,
region_end = std::min(Region(iterator + size) + 1, NUM_SYNCS);
region < region_end; ++region) {
glClientWaitSync(fences[region].handle, 0, GL_TIMEOUT_IGNORED);
fences[region].Release();
}
if (iterator + size >= free_iterator) {
free_iterator = iterator + size;
}
if (iterator + size > STREAM_BUFFER_SIZE) {
for (size_t region = Region(used_iterator); region < NUM_SYNCS; ++region) {
fences[region].Create();
}
used_iterator = 0;
iterator = 0;
free_iterator = size;
for (size_t region = 0, region_end = Region(size); region <= region_end; ++region) {
glClientWaitSync(fences[region].handle, 0, GL_TIMEOUT_IGNORED);
fences[region].Release();
}
}
const size_t offset = iterator;
iterator = Common::AlignUp(iterator + size, MAX_ALIGNMENT);
return {std::span(mapped_pointer + offset, size), offset};
}
} // namespace OpenGL

87
src/video_core/renderer_opengl/gl_texture_cache.cpp
View file

@ -456,19 +456,14 @@ OGLTexture MakeImage(const VideoCommon::ImageInfo& info, GLenum gl_internal_form
return is_srgb ? GL_SRGB8_ALPHA8 : GL_RGBA8;
}
}
} // Anonymous namespace
ImageBufferMap::~ImageBufferMap() {
if (sync) {
sync->Create();
}
}
TextureCacheRuntime::TextureCacheRuntime(const Device& device_, ProgramManager& program_manager,
StateTracker& state_tracker_)
: device{device_}, state_tracker{state_tracker_}, util_shaders(program_manager),
format_conversion_pass{util_shaders}, resolution{Settings::values.resolution_info} {
StateTracker& state_tracker_,
StagingBufferPool& staging_buffer_pool_)
: device{device_}, state_tracker{state_tracker_}, staging_buffer_pool{staging_buffer_pool_},
util_shaders(program_manager), format_conversion_pass{util_shaders},
resolution{Settings::values.resolution_info} {
static constexpr std::array TARGETS{GL_TEXTURE_1D_ARRAY, GL_TEXTURE_2D_ARRAY, GL_TEXTURE_3D};
for (size_t i = 0; i < TARGETS.size(); ++i) {
const GLenum target = TARGETS[i];
@ -558,12 +553,12 @@ void TextureCacheRuntime::Finish() {
glFinish();
}
ImageBufferMap TextureCacheRuntime::UploadStagingBuffer(size_t size) {
return upload_buffers.RequestMap(size, true);
StagingBufferMap TextureCacheRuntime::UploadStagingBuffer(size_t size) {
return staging_buffer_pool.RequestUploadBuffer(size);
}
ImageBufferMap TextureCacheRuntime::DownloadStagingBuffer(size_t size) {
return download_buffers.RequestMap(size, false);
StagingBufferMap TextureCacheRuntime::DownloadStagingBuffer(size_t size) {
return staging_buffer_pool.RequestDownloadBuffer(size);
}
u64 TextureCacheRuntime::GetDeviceMemoryUsage() const {
@ -648,7 +643,7 @@ void TextureCacheRuntime::BlitFramebuffer(Framebuffer* dst, Framebuffer* src,
is_linear ? GL_LINEAR : GL_NEAREST);
}
void TextureCacheRuntime::AccelerateImageUpload(Image& image, const ImageBufferMap& map,
void TextureCacheRuntime::AccelerateImageUpload(Image& image, const StagingBufferMap& map,
std::span<const SwizzleParameters> swizzles) {
switch (image.info.type) {
case ImageType::e2D:
@ -690,64 +685,6 @@ bool TextureCacheRuntime::HasNativeASTC() const noexcept {
return device.HasASTC();
}
TextureCacheRuntime::StagingBuffers::StagingBuffers(GLenum storage_flags_, GLenum map_flags_)
: storage_flags{storage_flags_}, map_flags{map_flags_} {}
TextureCacheRuntime::StagingBuffers::~StagingBuffers() = default;
ImageBufferMap TextureCacheRuntime::StagingBuffers::RequestMap(size_t requested_size,
bool insert_fence) {
const size_t index = RequestBuffer(requested_size);
OGLSync* const sync = insert_fence ? &syncs[index] : nullptr;
return ImageBufferMap{
.mapped_span = std::span(maps[index], requested_size),
.sync = sync,
.buffer = buffers[index].handle,
};
}
size_t TextureCacheRuntime::StagingBuffers::RequestBuffer(size_t requested_size) {
if (const std::optional<size_t> index = FindBuffer(requested_size); index) {
return *index;
}
OGLBuffer& buffer = buffers.emplace_back();
buffer.Create();
glNamedBufferStorage(buffer.handle, requested_size, nullptr,
storage_flags | GL_MAP_PERSISTENT_BIT);
maps.push_back(static_cast<u8*>(glMapNamedBufferRange(buffer.handle, 0, requested_size,
map_flags | GL_MAP_PERSISTENT_BIT)));
syncs.emplace_back();
sizes.push_back(requested_size);
ASSERT(syncs.size() == buffers.size() && buffers.size() == maps.size() &&
maps.size() == sizes.size());
return buffers.size() - 1;
}
std::optional<size_t> TextureCacheRuntime::StagingBuffers::FindBuffer(size_t requested_size) {
size_t smallest_buffer = std::numeric_limits<size_t>::max();
std::optional<size_t> found;
const size_t num_buffers = sizes.size();
for (size_t index = 0; index < num_buffers; ++index) {
const size_t buffer_size = sizes[index];
if (buffer_size < requested_size || buffer_size >= smallest_buffer) {
continue;
}
if (syncs[index].handle != 0) {
if (!syncs[index].IsSignaled()) {
continue;
}
syncs[index].Release();
}
smallest_buffer = buffer_size;
found = index;
}
return found;
}
Image::Image(TextureCacheRuntime& runtime_, const VideoCommon::ImageInfo& info_, GPUVAddr gpu_addr_,
VAddr cpu_addr_)
: VideoCommon::ImageBase(info_, gpu_addr_, cpu_addr_), runtime{&runtime_} {
@ -823,7 +760,7 @@ void Image::UploadMemory(GLuint buffer_handle, size_t buffer_offset,
}
}
void Image::UploadMemory(const ImageBufferMap& map,
void Image::UploadMemory(const StagingBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies) {
UploadMemory(map.buffer, map.offset, copies);
}
@ -870,7 +807,7 @@ void Image::DownloadMemory(std::span<GLuint> buffer_handles, std::span<size_t> b
}
}
void Image::DownloadMemory(ImageBufferMap& map,
void Image::DownloadMemory(StagingBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies) {
DownloadMemory(map.buffer, map.offset, copies);
}

47
src/video_core/renderer_opengl/gl_texture_cache.h
View file

@ -11,6 +11,7 @@
#include "shader_recompiler/shader_info.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_staging_buffer_pool.h"
#include "video_core/renderer_opengl/util_shaders.h"
#include "video_core/texture_cache/image_view_base.h"
#include "video_core/texture_cache/texture_cache_base.h"
@ -37,15 +38,6 @@ using VideoCommon::Region2D;
using VideoCommon::RenderTargets;
using VideoCommon::SlotVector;
struct ImageBufferMap {
~ImageBufferMap();
std::span<u8> mapped_span;
size_t offset = 0;
OGLSync* sync;
GLuint buffer;
};
struct FormatProperties {
GLenum compatibility_class;
bool compatibility_by_size;
@ -74,14 +66,15 @@ class TextureCacheRuntime {
public:
explicit TextureCacheRuntime(const Device& device, ProgramManager& program_manager,
StateTracker& state_tracker);
StateTracker& state_tracker,
StagingBufferPool& staging_buffer_pool);
~TextureCacheRuntime();
void Finish();
ImageBufferMap UploadStagingBuffer(size_t size);
StagingBufferMap UploadStagingBuffer(size_t size);
ImageBufferMap DownloadStagingBuffer(size_t size);
StagingBufferMap DownloadStagingBuffer(size_t size);
u64 GetDeviceLocalMemory() const {
return device_access_memory;
@ -120,7 +113,7 @@ public:
const Region2D& src_region, Tegra::Engines::Fermi2D::Filter filter,
Tegra::Engines::Fermi2D::Operation operation);
void AccelerateImageUpload(Image& image, const ImageBufferMap& map,
void AccelerateImageUpload(Image& image, const StagingBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles);
void InsertUploadMemoryBarrier();
@ -149,35 +142,16 @@ public:
}
private:
struct StagingBuffers {
explicit StagingBuffers(GLenum storage_flags_, GLenum map_flags_);
~StagingBuffers();
ImageBufferMap RequestMap(size_t requested_size, bool insert_fence);
size_t RequestBuffer(size_t requested_size);
std::optional<size_t> FindBuffer(size_t requested_size);
std::vector<OGLSync> syncs;
std::vector<OGLBuffer> buffers;
std::vector<u8*> maps;
std::vector<size_t> sizes;
GLenum storage_flags;
GLenum map_flags;
};
const Device& device;
StateTracker& state_tracker;
StagingBufferPool& staging_buffer_pool;
UtilShaders util_shaders;
FormatConversionPass format_conversion_pass;
std::array<std::unordered_map<GLenum, FormatProperties>, 3> format_properties;
bool has_broken_texture_view_formats = false;
StagingBuffers upload_buffers{GL_MAP_WRITE_BIT, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT};
StagingBuffers download_buffers{GL_MAP_READ_BIT | GL_CLIENT_STORAGE_BIT, GL_MAP_READ_BIT};
OGLTexture null_image_1d_array;
OGLTexture null_image_cube_array;
OGLTexture null_image_3d;
@ -213,7 +187,7 @@ public:
void UploadMemory(GLuint buffer_handle, size_t buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies);
void UploadMemory(const ImageBufferMap& map,
void UploadMemory(const StagingBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(GLuint buffer_handle, size_t buffer_offset,
@ -222,7 +196,8 @@ public:
void DownloadMemory(std::span<GLuint> buffer_handle, std::span<size_t> buffer_offset,
std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(ImageBufferMap& map, std::span<const VideoCommon::BufferImageCopy> copies);
void DownloadMemory(StagingBufferMap& map,
std::span<const VideoCommon::BufferImageCopy> copies);
GLuint StorageHandle() noexcept;

9
src/video_core/renderer_opengl/util_shaders.cpp
View file

@ -19,6 +19,7 @@
#include "video_core/host_shaders/pitch_unswizzle_comp.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
#include "video_core/renderer_opengl/gl_staging_buffer_pool.h"
#include "video_core/renderer_opengl/gl_texture_cache.h"
#include "video_core/renderer_opengl/util_shaders.h"
#include "video_core/texture_cache/accelerated_swizzle.h"
@ -63,7 +64,7 @@ UtilShaders::UtilShaders(ProgramManager& program_manager_)
UtilShaders::~UtilShaders() = default;
void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
void UtilShaders::ASTCDecode(Image& image, const StagingBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles) {
static constexpr GLuint BINDING_INPUT_BUFFER = 0;
static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
@ -111,7 +112,7 @@ void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
program_manager.RestoreGuestCompute();
}
void UtilShaders::BlockLinearUpload2D(Image& image, const ImageBufferMap& map,
void UtilShaders::BlockLinearUpload2D(Image& image, const StagingBufferMap& map,
std::span<const SwizzleParameters> swizzles) {
static constexpr Extent3D WORKGROUP_SIZE{32, 32, 1};
static constexpr GLuint BINDING_SWIZZLE_BUFFER = 0;
@ -148,7 +149,7 @@ void UtilShaders::BlockLinearUpload2D(Image& image, const ImageBufferMap& map,
program_manager.RestoreGuestCompute();
}
void UtilShaders::BlockLinearUpload3D(Image& image, const ImageBufferMap& map,
void UtilShaders::BlockLinearUpload3D(Image& image, const StagingBufferMap& map,
std::span<const SwizzleParameters> swizzles) {
static constexpr Extent3D WORKGROUP_SIZE{16, 8, 8};
@ -189,7 +190,7 @@ void UtilShaders::BlockLinearUpload3D(Image& image, const ImageBufferMap& map,
program_manager.RestoreGuestCompute();
}
void UtilShaders::PitchUpload(Image& image, const ImageBufferMap& map,
void UtilShaders::PitchUpload(Image& image, const StagingBufferMap& map,
std::span<const SwizzleParameters> swizzles) {
static constexpr Extent3D WORKGROUP_SIZE{32, 32, 1};
static constexpr GLuint BINDING_INPUT_BUFFER = 0;

10
src/video_core/renderer_opengl/util_shaders.h
View file

@ -16,23 +16,23 @@ namespace OpenGL {
class Image;
class ProgramManager;
struct ImageBufferMap;
struct StagingBufferMap;
class UtilShaders {
public:
explicit UtilShaders(ProgramManager& program_manager);
~UtilShaders();
void ASTCDecode(Image& image, const ImageBufferMap& map,
void ASTCDecode(Image& image, const StagingBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles);
void BlockLinearUpload2D(Image& image, const ImageBufferMap& map,
void BlockLinearUpload2D(Image& image, const StagingBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles);
void BlockLinearUpload3D(Image& image, const ImageBufferMap& map,
void BlockLinearUpload3D(Image& image, const StagingBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles);
void PitchUpload(Image& image, const ImageBufferMap& map,
void PitchUpload(Image& image, const StagingBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles);
void CopyBC4(Image& dst_image, Image& src_image,

1
src/video_core/renderer_vulkan/vk_buffer_cache.h
View file

@ -157,6 +157,7 @@ struct BufferCacheParams {
static constexpr bool USE_MEMORY_MAPS = true;
static constexpr bool SEPARATE_IMAGE_BUFFER_BINDINGS = false;
static constexpr bool IMPLEMENTS_ASYNC_DOWNLOADS = true;
static constexpr bool USE_MEMORY_MAPS_FOR_UPLOADS = true;
};
using BufferCache = VideoCommon::BufferCache<BufferCacheParams>;