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Merge pull request #1205 from bunnei/improve-rasterizer-cache-2

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Various fixes and improvements to rasterizer cache 2: Electric Boogaloo
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bunnei 2018-08-31 13:24:21 -04:00 committed by GitHub
commit 42588493d5
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 230 additions and 300 deletions
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1
src/core/hle/service/nvdrv/devices/nvhost_gpu.h
View file

@ -10,6 +10,7 @@
#include "common/common_types.h"
#include "common/swap.h"
#include "core/hle/service/nvdrv/devices/nvdevice.h"
#include "video_core/memory_manager.h"
namespace Service::Nvidia::Devices {

35
src/core/memory.cpp
View file

@ -251,8 +251,8 @@ std::string ReadCString(VAddr vaddr, std::size_t max_length) {
return string;
}
void RasterizerMarkRegionCached(Tegra::GPUVAddr gpu_addr, u64 size, bool cached) {
if (gpu_addr == 0) {
void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached) {
if (vaddr == 0) {
return;
}
@ -261,19 +261,8 @@ void RasterizerMarkRegionCached(Tegra::GPUVAddr gpu_addr, u64 size, bool cached)
// CPU pages, hence why we iterate on a CPU page basis (note: GPU page size is different). This
// assumes the specified GPU address region is contiguous as well.
u64 num_pages = ((gpu_addr + size - 1) >> PAGE_BITS) - (gpu_addr >> PAGE_BITS) + 1;
for (unsigned i = 0; i < num_pages; ++i, gpu_addr += PAGE_SIZE) {
boost::optional<VAddr> maybe_vaddr =
Core::System::GetInstance().GPU().MemoryManager().GpuToCpuAddress(gpu_addr);
// The GPU <-> CPU virtual memory mapping is not 1:1
if (!maybe_vaddr) {
LOG_ERROR(HW_Memory,
"Trying to flush a cached region to an invalid physical address {:016X}",
gpu_addr);
continue;
}
VAddr vaddr = *maybe_vaddr;
u64 num_pages = ((vaddr + size - 1) >> PAGE_BITS) - (vaddr >> PAGE_BITS) + 1;
for (unsigned i = 0; i < num_pages; ++i, vaddr += PAGE_SIZE) {
PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
if (cached) {
@ -344,30 +333,20 @@ void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
const VAddr overlap_start = std::max(start, region_start);
const VAddr overlap_end = std::min(end, region_end);
const std::vector<Tegra::GPUVAddr> gpu_addresses =
system_instance.GPU().MemoryManager().CpuToGpuAddress(overlap_start);
if (gpu_addresses.empty()) {
return;
}
const u64 overlap_size = overlap_end - overlap_start;
for (const auto& gpu_address : gpu_addresses) {
auto& rasterizer = system_instance.Renderer().Rasterizer();
switch (mode) {
case FlushMode::Flush:
rasterizer.FlushRegion(gpu_address, overlap_size);
rasterizer.FlushRegion(overlap_start, overlap_size);
break;
case FlushMode::Invalidate:
rasterizer.InvalidateRegion(gpu_address, overlap_size);
rasterizer.InvalidateRegion(overlap_start, overlap_size);
break;
case FlushMode::FlushAndInvalidate:
rasterizer.FlushAndInvalidateRegion(gpu_address, overlap_size);
rasterizer.FlushAndInvalidateRegion(overlap_start, overlap_size);
break;
}
}
};
CheckRegion(PROCESS_IMAGE_VADDR, PROCESS_IMAGE_VADDR_END);

3
src/core/memory.h
View file

@ -11,7 +11,6 @@
#include <boost/icl/interval_map.hpp>
#include "common/common_types.h"
#include "core/memory_hook.h"
#include "video_core/memory_manager.h"
namespace Kernel {
class Process;
@ -179,7 +178,7 @@ enum class FlushMode {
/**
* Mark each page touching the region as cached.
*/
void RasterizerMarkRegionCached(Tegra::GPUVAddr gpu_addr, u64 size, bool cached);
void RasterizerMarkRegionCached(VAddr vaddr, u64 size, bool cached);
/**
* Flushes and invalidates any externally cached rasterizer resources touching the given virtual

124
src/video_core/rasterizer_cache.h
View file

@ -4,113 +4,87 @@
#pragma once
#include <unordered_map>
#include <set>
#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 {
public:
/// Mark the specified region as being invalidated
void InvalidateRegion(Tegra::GPUVAddr region_addr, size_t region_size) {
for (auto iter = cached_objects.cbegin(); iter != cached_objects.cend();) {
const auto& object{iter->second};
void InvalidateRegion(VAddr addr, u64 size) {
if (size == 0)
return;
++iter;
const ObjectInterval interval{addr, addr + size};
for (auto& pair : boost::make_iterator_range(object_cache.equal_range(interval))) {
for (auto& cached_object : pair.second) {
if (!cached_object)
continue;
if (object->GetAddr() <= (region_addr + region_size) &&
region_addr <= (object->GetAddr() + object->GetSizeInBytes())) {
// Regions overlap, so invalidate
Unregister(object);
remove_objects.emplace(cached_object);
}
}
for (auto& remove_object : remove_objects) {
Unregister(remove_object);
}
remove_objects.clear();
}
/// Invalidates everything in the cache
void InvalidateAll() {
while (object_cache.begin() != object_cache.end()) {
Unregister(*object_cache.begin()->second.begin());
}
}
protected:
/// Tries to get an object from the cache with the specified address
T TryGet(Tegra::GPUVAddr addr) const {
const auto& search{cached_objects.find(addr)};
if (search != cached_objects.end()) {
return search->second;
T TryGet(VAddr addr) const {
const ObjectInterval interval{addr};
for (auto& pair : boost::make_iterator_range(object_cache.equal_range(interval))) {
for (auto& cached_object : pair.second) {
if (cached_object->GetAddr() == addr) {
return cached_object;
}
}
}
return nullptr;
}
/// Gets a reference to the cache
const std::unordered_map<Tegra::GPUVAddr, T>& GetCache() const {
return cached_objects;
}
/// Register an object into the cache
void Register(const T& object) {
const auto& search{cached_objects.find(object->GetAddr())};
if (search != cached_objects.end()) {
// Registered already
return;
}
cached_objects[object->GetAddr()] = object;
UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
object_cache.add({GetInterval(object), ObjectSet{object}});
auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), 1);
}
/// Unregisters an object from the cache
void Unregister(const T& object) {
const auto& search{cached_objects.find(object->GetAddr())};
if (search == cached_objects.end()) {
// Unregistered already
return;
}
UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
cached_objects.erase(search);
auto& rasterizer = Core::System::GetInstance().Renderer().Rasterizer();
rasterizer.UpdatePagesCachedCount(object->GetAddr(), object->GetSizeInBytes(), -1);
object_cache.subtract({GetInterval(object), ObjectSet{object}});
}
private:
using PageMap = boost::icl::interval_map<u64, int>;
using ObjectSet = std::set<T>;
using ObjectCache = boost::icl::interval_map<VAddr, ObjectSet>;
using ObjectInterval = typename ObjectCache::interval_type;
template <typename Map, typename Interval>
constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
return boost::make_iterator_range(map.equal_range(interval));
static auto GetInterval(const T& object) {
return ObjectInterval::right_open(object->GetAddr(),
object->GetAddr() + object->GetSizeInBytes());
}
/// 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;
ObjectCache object_cache;
ObjectSet remove_objects;
};

9
src/video_core/rasterizer_interface.h
View file

@ -27,14 +27,14 @@ public:
virtual void FlushAll() = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
virtual void FlushRegion(Tegra::GPUVAddr addr, u64 size) = 0;
virtual void FlushRegion(VAddr addr, u64 size) = 0;
/// Notify rasterizer that any caches of the specified region should be invalidated
virtual void InvalidateRegion(Tegra::GPUVAddr addr, u64 size) = 0;
virtual void InvalidateRegion(VAddr addr, u64 size) = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
/// and invalidated
virtual void FlushAndInvalidateRegion(Tegra::GPUVAddr addr, u64 size) = 0;
virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;
/// Attempt to use a faster method to perform a display transfer with is_texture_copy = 0
virtual bool AccelerateDisplayTransfer(const void* config) {
@ -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

61
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -274,6 +274,41 @@ 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(VAddr addr, u64 size, int delta) {
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});
}
std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers(bool using_color_fb,
bool using_depth_fb,
bool preserve_contents) {
@ -397,16 +432,6 @@ void RasterizerOpenGL::Clear() {
glClearStencil(regs.clear_stencil);
glClear(clear_mask);
// Mark framebuffer surfaces as dirty
if (Settings::values.use_accurate_framebuffers) {
if (dirty_color_surface != nullptr) {
res_cache.FlushSurface(dirty_color_surface);
}
if (dirty_depth_surface != nullptr) {
res_cache.FlushSurface(dirty_depth_surface);
}
}
}
std::pair<u8*, GLintptr> RasterizerOpenGL::AlignBuffer(u8* buffer_ptr, GLintptr buffer_offset,
@ -522,16 +547,6 @@ void RasterizerOpenGL::DrawArrays() {
texture_unit.Unbind();
}
state.Apply();
// Mark framebuffer surfaces as dirty
if (Settings::values.use_accurate_framebuffers) {
if (dirty_color_surface != nullptr) {
res_cache.FlushSurface(dirty_color_surface);
}
if (dirty_depth_surface != nullptr) {
res_cache.FlushSurface(dirty_depth_surface);
}
}
}
void RasterizerOpenGL::NotifyMaxwellRegisterChanged(u32 method) {}
@ -540,17 +555,17 @@ void RasterizerOpenGL::FlushAll() {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
}
void RasterizerOpenGL::FlushRegion(Tegra::GPUVAddr addr, u64 size) {
void RasterizerOpenGL::FlushRegion(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
}
void RasterizerOpenGL::InvalidateRegion(Tegra::GPUVAddr addr, u64 size) {
void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
res_cache.InvalidateRegion(addr, size);
shader_cache.InvalidateRegion(addr, size);
}
void RasterizerOpenGL::FlushAndInvalidateRegion(Tegra::GPUVAddr addr, u64 size) {
void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
InvalidateRegion(addr, size);
}

14
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"
@ -40,15 +44,16 @@ public:
void Clear() override;
void NotifyMaxwellRegisterChanged(u32 method) override;
void FlushAll() override;
void FlushRegion(Tegra::GPUVAddr addr, u64 size) override;
void InvalidateRegion(Tegra::GPUVAddr addr, u64 size) override;
void FlushAndInvalidateRegion(Tegra::GPUVAddr addr, u64 size) override;
void FlushRegion(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size) override;
void FlushAndInvalidateRegion(VAddr addr, u64 size) override;
bool AccelerateDisplayTransfer(const void* config) override;
bool AccelerateTextureCopy(const void* config) override;
bool AccelerateFill(const void* config) override;
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

136
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
View file

@ -33,11 +33,16 @@ struct FormatTuple {
bool compressed;
};
static VAddr TryGetCpuAddr(Tegra::GPUVAddr gpu_addr) {
auto& gpu{Core::System::GetInstance().GPU()};
const auto cpu_addr{gpu.MemoryManager().GpuToCpuAddress(gpu_addr)};
return cpu_addr ? *cpu_addr : 0;
}
/*static*/ SurfaceParams SurfaceParams::CreateForTexture(
const Tegra::Texture::FullTextureInfo& config) {
SurfaceParams params{};
params.addr = config.tic.Address();
params.addr = TryGetCpuAddr(config.tic.Address());
params.is_tiled = config.tic.IsTiled();
params.block_height = params.is_tiled ? config.tic.BlockHeight() : 0,
params.pixel_format =
@ -55,9 +60,8 @@ struct FormatTuple {
/*static*/ SurfaceParams SurfaceParams::CreateForFramebuffer(
const Tegra::Engines::Maxwell3D::Regs::RenderTargetConfig& config) {
SurfaceParams params{};
params.addr = config.Address();
params.addr = TryGetCpuAddr(config.Address());
params.is_tiled = true;
params.block_height = Tegra::Texture::TICEntry::DefaultBlockHeight;
params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
@ -75,9 +79,8 @@ struct FormatTuple {
/*static*/ SurfaceParams SurfaceParams::CreateForDepthBuffer(u32 zeta_width, u32 zeta_height,
Tegra::GPUVAddr zeta_address,
Tegra::DepthFormat format) {
SurfaceParams params{};
params.addr = zeta_address;
params.addr = TryGetCpuAddr(zeta_address);
params.is_tiled = true;
params.block_height = Tegra::Texture::TICEntry::DefaultBlockHeight;
params.pixel_format = PixelFormatFromDepthFormat(format);
@ -171,11 +174,6 @@ static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType
return format;
}
VAddr SurfaceParams::GetCpuAddr() const {
auto& gpu = Core::System::GetInstance().GPU();
return *gpu.MemoryManager().GpuToCpuAddress(addr);
}
static bool IsPixelFormatASTC(PixelFormat format) {
switch (format) {
case PixelFormat::ASTC_2D_4X4:
@ -222,33 +220,28 @@ static bool IsFormatBCn(PixelFormat format) {
}
template <bool morton_to_gl, PixelFormat format>
void MortonCopy(u32 stride, u32 block_height, u32 height, std::vector<u8>& gl_buffer,
Tegra::GPUVAddr addr) {
void MortonCopy(u32 stride, u32 block_height, u32 height, std::vector<u8>& gl_buffer, VAddr addr) {
constexpr u32 bytes_per_pixel = SurfaceParams::GetFormatBpp(format) / CHAR_BIT;
constexpr u32 gl_bytes_per_pixel = CachedSurface::GetGLBytesPerPixel(format);
auto& gpu = Core::System::GetInstance().GPU();
if (morton_to_gl) {
// With the BCn formats (DXT and DXN), each 4x4 tile is swizzled instead of just individual
// pixel values.
const u32 tile_size{IsFormatBCn(format) ? 4U : 1U};
const std::vector<u8> data =
Tegra::Texture::UnswizzleTexture(*gpu.MemoryManager().GpuToCpuAddress(addr), tile_size,
bytes_per_pixel, stride, height, block_height);
const std::vector<u8> data = Tegra::Texture::UnswizzleTexture(
addr, tile_size, bytes_per_pixel, stride, height, block_height);
const size_t size_to_copy{std::min(gl_buffer.size(), data.size())};
gl_buffer.assign(data.begin(), data.begin() + size_to_copy);
} else {
// TODO(bunnei): Assumes the default rendering GOB size of 16 (128 lines). We should
// check the configuration for this and perform more generic un/swizzle
LOG_WARNING(Render_OpenGL, "need to use correct swizzle/GOB parameters!");
VideoCore::MortonCopyPixels128(
stride, height, bytes_per_pixel, gl_bytes_per_pixel,
Memory::GetPointer(*gpu.MemoryManager().GpuToCpuAddress(addr)), gl_buffer.data(),
morton_to_gl);
VideoCore::MortonCopyPixels128(stride, height, bytes_per_pixel, gl_bytes_per_pixel,
Memory::GetPointer(addr), gl_buffer.data(), morton_to_gl);
}
}
static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPUVAddr),
static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, VAddr),
SurfaceParams::MaxPixelFormat>
morton_to_gl_fns = {
// clang-format off
@ -305,7 +298,7 @@ static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPU
// clang-format on
};
static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPUVAddr),
static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, VAddr),
SurfaceParams::MaxPixelFormat>
gl_to_morton_fns = {
// clang-format off
@ -542,7 +535,7 @@ MICROPROFILE_DEFINE(OpenGL_SurfaceLoad, "OpenGL", "Surface Load", MP_RGB(128, 64
void CachedSurface::LoadGLBuffer() {
ASSERT(params.type != SurfaceType::Fill);
const u8* const texture_src_data = Memory::GetPointer(params.GetCpuAddr());
const u8* const texture_src_data = Memory::GetPointer(params.addr);
ASSERT(texture_src_data);
@ -567,7 +560,7 @@ void CachedSurface::LoadGLBuffer() {
MICROPROFILE_DEFINE(OpenGL_SurfaceFlush, "OpenGL", "Surface Flush", MP_RGB(128, 192, 64));
void CachedSurface::FlushGLBuffer() {
u8* const dst_buffer = Memory::GetPointer(params.GetCpuAddr());
u8* const dst_buffer = Memory::GetPointer(params.addr);
ASSERT(dst_buffer);
ASSERT(gl_buffer.size() ==
@ -764,19 +757,10 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool pres
return {};
}
auto& gpu = Core::System::GetInstance().GPU();
// Don't try to create any entries in the cache if the address of the texture is invalid.
if (gpu.MemoryManager().GpuToCpuAddress(params.addr) == boost::none)
return {};
// Look up surface in the cache based on address
Surface surface{TryGet(params.addr)};
if (surface) {
if (Settings::values.use_accurate_framebuffers) {
// If use_accurate_framebuffers is enabled, always load from memory
FlushSurface(surface);
Unregister(surface);
} else if (surface->GetSurfaceParams().IsCompatibleSurface(params)) {
if (surface->GetSurfaceParams().IsCompatibleSurface(params)) {
// Use the cached surface as-is
return surface;
} else if (preserve_contents) {
@ -792,15 +776,9 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool pres
}
}
// Try to get a previously reserved surface
surface = TryGetReservedSurface(params);
// No surface found - create a new one
if (!surface) {
surface = std::make_shared<CachedSurface>(params);
ReserveSurface(surface);
// No cached surface found - get a new one
surface = GetUncachedSurface(params);
Register(surface);
}
// Only load surface from memory if we care about the contents
if (preserve_contents) {
@ -810,13 +788,23 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool pres
return surface;
}
Surface RasterizerCacheOpenGL::GetUncachedSurface(const SurfaceParams& params) {
Surface surface{TryGetReservedSurface(params)};
if (!surface) {
// No reserved surface available, create a new one and reserve it
surface = std::make_shared<CachedSurface>(params);
ReserveSurface(surface);
}
return surface;
}
Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
const SurfaceParams& new_params) {
// Verify surface is compatible for blitting
const auto& params{surface->GetSurfaceParams()};
// Create a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{std::make_shared<CachedSurface>(new_params)};
// Get a new surface with the new parameters, and blit the previous surface to it
Surface new_surface{GetUncachedSurface(new_params)};
// If format is unchanged, we can do a faster blit without reinterpreting pixel data
if (params.pixel_format == new_params.pixel_format) {
@ -826,13 +814,15 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
return new_surface;
}
// When using accurate framebuffers, always copy old data to new surface, regardless of format
if (Settings::values.use_accurate_framebuffers) {
auto source_format = GetFormatTuple(params.pixel_format, params.component_type);
auto dest_format = GetFormatTuple(new_params.pixel_format, new_params.component_type);
size_t buffer_size = std::max(params.SizeInBytes(), new_params.SizeInBytes());
// Use a Pixel Buffer Object to download the previous texture and then upload it to the new one
// using the new format.
// Use a Pixel Buffer Object to download the previous texture and then upload it to the new
// one using the new format.
OGLBuffer pbo;
pbo.Create();
@ -842,27 +832,27 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
glGetCompressedTextureImage(surface->Texture().handle, 0,
static_cast<GLsizei>(params.SizeInBytes()), nullptr);
} else {
glGetTextureImage(surface->Texture().handle, 0, source_format.format, source_format.type,
static_cast<GLsizei>(params.SizeInBytes()), nullptr);
glGetTextureImage(surface->Texture().handle, 0, source_format.format,
source_format.type, static_cast<GLsizei>(params.SizeInBytes()),
nullptr);
}
// If the new texture is bigger than the previous one, we need to fill in the rest with data
// from the CPU.
if (params.SizeInBytes() < new_params.SizeInBytes()) {
// Upload the rest of the memory.
if (new_params.is_tiled) {
// TODO(Subv): We might have to de-tile the subtexture and re-tile it with the rest of
// the data in this case. Games like Super Mario Odyssey seem to hit this case when
// drawing, it re-uses the memory of a previous texture as a bigger framebuffer but it
// doesn't clear it beforehand, the texture is already full of zeros.
// TODO(Subv): We might have to de-tile the subtexture and re-tile it with the rest
// of the data in this case. Games like Super Mario Odyssey seem to hit this case
// when drawing, it re-uses the memory of a previous texture as a bigger framebuffer
// but it doesn't clear it beforehand, the texture is already full of zeros.
LOG_CRITICAL(HW_GPU, "Trying to upload extra texture data from the CPU during "
"reinterpretation but the texture is tiled.");
}
size_t remaining_size = new_params.SizeInBytes() - params.SizeInBytes();
auto address = Core::System::GetInstance().GPU().MemoryManager().GpuToCpuAddress(
new_params.addr + params.SizeInBytes());
std::vector<u8> data(remaining_size);
Memory::ReadBlock(*address, data.data(), data.size());
glBufferSubData(GL_PIXEL_PACK_BUFFER, params.SizeInBytes(), remaining_size, data.data());
Memory::ReadBlock(new_params.addr + params.SizeInBytes(), data.data(), data.size());
glBufferSubData(GL_PIXEL_PACK_BUFFER, params.SizeInBytes(), remaining_size,
data.data());
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
@ -871,8 +861,8 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo.handle);
if (dest_format.compressed) {
glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0,
static_cast<GLsizei>(dest_rect.GetWidth()),
glCompressedTexSubImage2D(
GL_TEXTURE_2D, 0, 0, 0, static_cast<GLsizei>(dest_rect.GetWidth()),
static_cast<GLsizei>(dest_rect.GetHeight()), dest_format.format,
static_cast<GLsizei>(new_params.SizeInBytes()), nullptr);
} else {
@ -884,34 +874,13 @@ Surface RasterizerCacheOpenGL::RecreateSurface(const Surface& surface,
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
pbo.Release();
}
return new_surface;
}
Surface RasterizerCacheOpenGL::TryFindFramebufferSurface(VAddr cpu_addr) const {
// Tries to find the GPU address of a framebuffer based on the CPU address. This is because
// final output framebuffers are specified by CPU address, but internally our GPU cache uses
// GPU addresses. We iterate through all cached framebuffers, and compare their starting CPU
// address to the one provided. This is obviously not great, and won't work if the
// framebuffer overlaps surfaces.
std::vector<Surface> surfaces;
for (const auto& surface : GetCache()) {
const auto& params = surface.second->GetSurfaceParams();
const VAddr surface_cpu_addr = params.GetCpuAddr();
if (cpu_addr >= surface_cpu_addr && cpu_addr < (surface_cpu_addr + params.size_in_bytes)) {
ASSERT_MSG(cpu_addr == surface_cpu_addr, "overlapping surfaces are unsupported");
surfaces.push_back(surface.second);
}
}
if (surfaces.empty()) {
return {};
}
ASSERT_MSG(surfaces.size() == 1, ">1 surface is unsupported");
return surfaces[0];
Surface RasterizerCacheOpenGL::TryFindFramebufferSurface(VAddr addr) const {
return TryGet(addr);
}
void RasterizerCacheOpenGL::ReserveSurface(const Surface& surface) {
@ -923,7 +892,6 @@ Surface RasterizerCacheOpenGL::TryGetReservedSurface(const SurfaceParams& params
const auto& surface_reserve_key{SurfaceReserveKey::Create(params)};
auto search{surface_reserve.find(surface_reserve_key)};
if (search != surface_reserve.end()) {
Register(search->second);
return search->second;
}
return {};

26
src/video_core/renderer_opengl/gl_rasterizer_cache.h
View file

@ -638,9 +638,6 @@ struct SurfaceParams {
GetFormatBpp(pixel_format) / CHAR_BIT;
}
/// Returns the CPU virtual address for this surface
VAddr GetCpuAddr() const;
/// Creates SurfaceParams from a texture configuration
static SurfaceParams CreateForTexture(const Tegra::Texture::FullTextureInfo& config);
@ -653,25 +650,13 @@ struct SurfaceParams {
Tegra::GPUVAddr zeta_address,
Tegra::DepthFormat format);
bool operator==(const SurfaceParams& other) const {
return std::tie(addr, is_tiled, block_height, pixel_format, component_type, type, width,
height, unaligned_height, size_in_bytes) ==
std::tie(other.addr, other.is_tiled, other.block_height, other.pixel_format,
other.component_type, other.type, other.width, other.height,
other.unaligned_height, other.size_in_bytes);
}
bool operator!=(const SurfaceParams& other) const {
return !operator==(other);
}
/// Checks if surfaces are compatible for caching
bool IsCompatibleSurface(const SurfaceParams& other) const {
return std::tie(pixel_format, type, cache_width, cache_height) ==
std::tie(other.pixel_format, other.type, other.cache_width, other.cache_height);
}
Tegra::GPUVAddr addr;
VAddr addr;
bool is_tiled;
u32 block_height;
PixelFormat pixel_format;
@ -712,7 +697,7 @@ class CachedSurface final {
public:
CachedSurface(const SurfaceParams& params);
Tegra::GPUVAddr GetAddr() const {
VAddr GetAddr() const {
return params.addr;
}
@ -763,13 +748,16 @@ public:
/// Flushes the surface to Switch memory
void FlushSurface(const Surface& surface);
/// Tries to find a framebuffer GPU address based on the provided CPU address
Surface TryFindFramebufferSurface(VAddr cpu_addr) const;
/// Tries to find a framebuffer using on the provided CPU address
Surface TryFindFramebufferSurface(VAddr addr) const;
private:
void LoadSurface(const Surface& surface);
Surface GetSurface(const SurfaceParams& params, bool preserve_contents = true);
/// Gets an uncached surface, creating it if need be
Surface GetUncachedSurface(const SurfaceParams& params);
/// Recreates a surface with new parameters
Surface RecreateSurface(const Surface& surface, const SurfaceParams& new_params);

18
src/video_core/renderer_opengl/gl_shader_cache.cpp
View file

@ -12,21 +12,17 @@
namespace OpenGL {
/// Gets the address for the specified shader stage program
static Tegra::GPUVAddr GetShaderAddress(Maxwell::ShaderProgram program) {
static VAddr GetShaderAddress(Maxwell::ShaderProgram program) {
auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
auto& shader_config = gpu.regs.shader_config[static_cast<size_t>(program)];
return gpu.regs.code_address.CodeAddress() + shader_config.offset;
return *gpu.memory_manager.GpuToCpuAddress(gpu.regs.code_address.CodeAddress() +
shader_config.offset);
}
/// Gets the shader program code from memory for the specified address
static GLShader::ProgramCode GetShaderCode(Tegra::GPUVAddr addr) {
auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
static GLShader::ProgramCode GetShaderCode(VAddr addr) {
GLShader::ProgramCode program_code(GLShader::MAX_PROGRAM_CODE_LENGTH);
const boost::optional<VAddr> cpu_address{gpu.memory_manager.GpuToCpuAddress(addr)};
Memory::ReadBlock(*cpu_address, program_code.data(), program_code.size() * sizeof(u64));
Memory::ReadBlock(addr, program_code.data(), program_code.size() * sizeof(u64));
return program_code;
}
@ -55,7 +51,7 @@ static void SetShaderUniformBlockBindings(GLuint shader) {
sizeof(GLShader::MaxwellUniformData));
}
CachedShader::CachedShader(Tegra::GPUVAddr addr, Maxwell::ShaderProgram program_type)
CachedShader::CachedShader(VAddr addr, Maxwell::ShaderProgram program_type)
: addr{addr}, program_type{program_type}, setup{GetShaderCode(addr)} {
GLShader::ProgramResult program_result;
@ -113,7 +109,7 @@ GLint CachedShader::GetUniformLocation(const std::string& name) {
}
Shader ShaderCacheOpenGL::GetStageProgram(Maxwell::ShaderProgram program) {
const Tegra::GPUVAddr program_addr{GetShaderAddress(program)};
const VAddr program_addr{GetShaderAddress(program)};
// Look up shader in the cache based on address
Shader shader{TryGet(program_addr)};

7
src/video_core/renderer_opengl/gl_shader_cache.h
View file

@ -8,7 +8,6 @@
#include <unordered_map>
#include "common/common_types.h"
#include "video_core/memory_manager.h"
#include "video_core/rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_shader_gen.h"
@ -21,10 +20,10 @@ using Maxwell = Tegra::Engines::Maxwell3D::Regs;
class CachedShader final {
public:
CachedShader(Tegra::GPUVAddr addr, Maxwell::ShaderProgram program_type);
CachedShader(VAddr addr, Maxwell::ShaderProgram program_type);
/// Gets the address of the shader in guest memory, required for cache management
Tegra::GPUVAddr GetAddr() const {
VAddr GetAddr() const {
return addr;
}
@ -50,7 +49,7 @@ public:
GLint GetUniformLocation(const std::string& name);
private:
Tegra::GPUVAddr addr;
VAddr addr;
Maxwell::ShaderProgram program_type;
GLShader::ShaderSetup setup;
GLShader::ShaderEntries entries;