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rasterizer_accelerated: Add intermediary for GPU rasterizers

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Add an intermediary class that implements common functions across GPU
accelerated rasterizers. This avoids code repetition on different
backends.
This commit is contained in:
ReinUsesLisp 2019-10-27 03:40:08 -03:00
parent 26f3e18c5c
commit bd2aff3e26
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GPG key ID: 2DFC508897B39CFE
5 changed files with 98 additions and 45 deletions
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2
src/video_core/CMakeLists.txt
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@ -36,6 +36,8 @@ add_library(video_core STATIC
memory_manager.h
morton.cpp
morton.h
rasterizer_accelerated.cpp
rasterizer_accelerated.h
rasterizer_cache.cpp
rasterizer_cache.h
rasterizer_interface.h

63
src/video_core/rasterizer_accelerated.cpp Normal file
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@ -0,0 +1,63 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <mutex>
#include <boost/icl/interval_map.hpp>
#include "common/assert.h"
#include "common/common_types.h"
#include "core/memory.h"
#include "video_core/rasterizer_accelerated.h"
namespace VideoCore {
namespace {
template <typename Map, typename Interval>
constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
return boost::make_iterator_range(map.equal_range(interval));
}
} // Anonymous namespace
RasterizerAccelerated::RasterizerAccelerated() = default;
RasterizerAccelerated::~RasterizerAccelerated() = default;
void RasterizerAccelerated::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
std::lock_guard lock{pages_mutex};
const u64 page_start{addr >> Memory::PAGE_BITS};
const u64 page_end{(addr + size + Memory::PAGE_SIZE - 1) >> Memory::PAGE_BITS};
// Interval maps will erase segments if count reaches 0, so if delta is negative we have to
// subtract after iterating
const auto pages_interval = CachedPageMap::interval_type::right_open(page_start, page_end);
if (delta > 0) {
cached_pages.add({pages_interval, delta});
}
for (const auto& pair : RangeFromInterval(cached_pages, pages_interval)) {
const auto interval = pair.first & pages_interval;
const int count = pair.second;
const VAddr interval_start_addr = boost::icl::first(interval) << Memory::PAGE_BITS;
const VAddr interval_end_addr = boost::icl::last_next(interval) << Memory::PAGE_BITS;
const u64 interval_size = interval_end_addr - interval_start_addr;
if (delta > 0 && count == delta) {
Memory::RasterizerMarkRegionCached(interval_start_addr, interval_size, true);
} else if (delta < 0 && count == -delta) {
Memory::RasterizerMarkRegionCached(interval_start_addr, interval_size, false);
} else {
ASSERT(count >= 0);
}
}
if (delta < 0) {
cached_pages.add({pages_interval, delta});
}
}
} // namespace VideoCore

31
src/video_core/rasterizer_accelerated.h Normal file
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@ -0,0 +1,31 @@
// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <mutex>
#include <boost/icl/interval_map.hpp>
#include "common/common_types.h"
#include "video_core/rasterizer_interface.h"
namespace VideoCore {
/// Implements the shared part in GPU accelerated rasterizers in RasterizerInterface.
class RasterizerAccelerated : public RasterizerInterface {
public:
explicit RasterizerAccelerated();
~RasterizerAccelerated() override;
void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) override;
private:
using CachedPageMap = boost::icl::interval_map<u64, int>;
CachedPageMap cached_pages;
std::mutex pages_mutex;
};
} // namespace VideoCore

36
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -342,42 +342,6 @@ std::size_t RasterizerOpenGL::CalculateIndexBufferSize() const {
static_cast<std::size_t>(regs.index_array.FormatSizeInBytes());
}
template <typename Map, typename Interval>
static constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
return boost::make_iterator_range(map.equal_range(interval));
}
void RasterizerOpenGL::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
std::lock_guard lock{pages_mutex};
const u64 page_start{addr >> Memory::PAGE_BITS};
const u64 page_end{(addr + size + Memory::PAGE_SIZE - 1) >> Memory::PAGE_BITS};
// Interval maps will erase segments if count reaches 0, so if delta is negative we have to
// subtract after iterating
const auto pages_interval = CachedPageMap::interval_type::right_open(page_start, page_end);
if (delta > 0)
cached_pages.add({pages_interval, delta});
for (const auto& pair : RangeFromInterval(cached_pages, pages_interval)) {
const auto interval = pair.first & pages_interval;
const int count = pair.second;
const VAddr interval_start_addr = boost::icl::first(interval) << Memory::PAGE_BITS;
const VAddr interval_end_addr = boost::icl::last_next(interval) << Memory::PAGE_BITS;
const u64 interval_size = interval_end_addr - interval_start_addr;
if (delta > 0 && count == delta)
Memory::RasterizerMarkRegionCached(interval_start_addr, interval_size, true);
else if (delta < 0 && count == -delta)
Memory::RasterizerMarkRegionCached(interval_start_addr, interval_size, false);
else
ASSERT(count >= 0);
}
if (delta < 0)
cached_pages.add({pages_interval, delta});
}
void RasterizerOpenGL::LoadDiskResources(const std::atomic_bool& stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) {
shader_cache.LoadDiskCache(stop_loading, callback);

11
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -9,17 +9,16 @@
#include <cstddef>
#include <map>
#include <memory>
#include <mutex>
#include <optional>
#include <tuple>
#include <utility>
#include <boost/icl/interval_map.hpp>
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/engines/const_buffer_info.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/rasterizer_accelerated.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/gl_buffer_cache.h"
@ -52,7 +51,7 @@ namespace OpenGL {
struct ScreenInfo;
struct DrawParameters;
class RasterizerOpenGL : public VideoCore::RasterizerInterface {
class RasterizerOpenGL : public VideoCore::RasterizerAccelerated {
public:
explicit RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWindow& emu_window,
ScreenInfo& info);
@ -73,7 +72,6 @@ public:
const Tegra::Engines::Fermi2D::Config& copy_config) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;
void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) override;
void LoadDiskResources(const std::atomic_bool& stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) override;
@ -228,11 +226,6 @@ private:
AccelDraw accelerate_draw = AccelDraw::Disabled;
OGLFramebuffer clear_framebuffer;
using CachedPageMap = boost::icl::interval_map<u64, int>;
CachedPageMap cached_pages;
std::mutex pages_mutex;
};
} // namespace OpenGL