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gl_rasterizer: Fix issues with the rasterizer cache. 

- Use a single cached page map.
- Fix calculation of ending page.
This commit is contained in:
bunnei 2018-08-28 18:43:08 -04:00
parent 06578e89b2
commit 16d65182f9
4 changed files with 57 additions and 46 deletions
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54
src/video_core/rasterizer_cache.h
View File

@ -5,12 +5,13 @@
#pragma once
#include <unordered_map>
#include <boost/icl/interval_map.hpp>
#include <boost/range/iterator_range.hpp>
#include "common/common_types.h"
#include "core/core.h"
#include "core/memory.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_base.h"
template <class T>
class RasterizerCache : NonCopyable {
@ -54,8 +55,9 @@ protected:
return;
}
cached_objects[object->GetAddr()] = object;
UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
cached_objects[object->GetAddr()] = std::move(object);
}
/// Unregisters an object from the cache
@ -66,51 +68,11 @@ protected:
return;
}
UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
cached_objects.erase(search);
}
private:
using PageMap = boost::icl::interval_map<u64, int>;
template <typename Map, typename Interval>
constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
return boost::make_iterator_range(map.equal_range(interval));
}
/// Increase/decrease the number of object in pages touching the specified region
void UpdatePagesCachedCount(Tegra::GPUVAddr addr, u64 size, int delta) {
const u64 page_start{addr >> Tegra::MemoryManager::PAGE_BITS};
const u64 page_end{(addr + size) >> Tegra::MemoryManager::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 = PageMap::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 Tegra::GPUVAddr interval_start_addr = boost::icl::first(interval)
<< Tegra::MemoryManager::PAGE_BITS;
const Tegra::GPUVAddr interval_end_addr = boost::icl::last_next(interval)
<< Tegra::MemoryManager::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});
}
std::unordered_map<Tegra::GPUVAddr, T> cached_objects;
PageMap cached_pages;
};

3
src/video_core/rasterizer_interface.h
View File

@ -60,5 +60,8 @@ public:
virtual bool AccelerateDrawBatch(bool is_indexed) {
return false;
}
/// Increase/decrease the number of object in pages touching the specified region
virtual void UpdatePagesCachedCount(Tegra::GPUVAddr addr, u64 size, int delta) {}
};
} // namespace VideoCore

38
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -274,6 +274,44 @@ bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) {
return true;
}
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(Tegra::GPUVAddr addr, u64 size, int delta) {
const u64 page_start{addr >> Tegra::MemoryManager::PAGE_BITS};
const u64 page_end{(addr + size + Tegra::MemoryManager::PAGE_SIZE - 1) >>
Tegra::MemoryManager::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 Tegra::GPUVAddr interval_start_addr = boost::icl::first(interval)
<< Tegra::MemoryManager::PAGE_BITS;
const Tegra::GPUVAddr interval_end_addr = boost::icl::last_next(interval)
<< Tegra::MemoryManager::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});
}
std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers(bool using_color_fb,
bool using_depth_fb,
bool preserve_contents) {

8
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -10,7 +10,11 @@
#include <tuple>
#include <utility>
#include <vector>
#include <boost/icl/interval_map.hpp>
#include <boost/range/iterator_range.hpp>
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/memory_manager.h"
@ -49,6 +53,7 @@ public:
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;
bool AccelerateDrawBatch(bool is_indexed) override;
void UpdatePagesCachedCount(Tegra::GPUVAddr addr, u64 size, int delta) override;
/// OpenGL shader generated for a given Maxwell register state
struct MaxwellShader {
@ -187,6 +192,9 @@ private:
enum class AccelDraw { Disabled, Arrays, Indexed };
AccelDraw accelerate_draw = AccelDraw::Disabled;
using CachedPageMap = boost::icl::interval_map<u64, int>;
CachedPageMap cached_pages;
};
} // namespace OpenGL