diff options
Diffstat (limited to 'src/video_core')
47 files changed, 1479 insertions, 621 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt index 6839abe71..7c18c27b3 100644 --- a/src/video_core/CMakeLists.txt +++ b/src/video_core/CMakeLists.txt @@ -1,4 +1,5 @@ add_library(video_core STATIC + buffer_cache.h dma_pusher.cpp dma_pusher.h debug_utils/debug_utils.cpp @@ -43,8 +44,6 @@ add_library(video_core STATIC renderer_opengl/gl_device.h renderer_opengl/gl_framebuffer_cache.cpp renderer_opengl/gl_framebuffer_cache.h - renderer_opengl/gl_global_cache.cpp - renderer_opengl/gl_global_cache.h renderer_opengl/gl_rasterizer.cpp renderer_opengl/gl_rasterizer.h renderer_opengl/gl_resource_manager.cpp @@ -103,6 +102,8 @@ add_library(video_core STATIC shader/decode/video.cpp shader/decode/xmad.cpp shader/decode/other.cpp + shader/control_flow.cpp + shader/control_flow.h shader/decode.cpp shader/node_helper.cpp shader/node_helper.h diff --git a/src/video_core/buffer_cache.h b/src/video_core/buffer_cache.h new file mode 100644 index 000000000..6f868b8b4 --- /dev/null +++ b/src/video_core/buffer_cache.h @@ -0,0 +1,299 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <array> +#include <memory> +#include <mutex> +#include <unordered_map> +#include <unordered_set> +#include <utility> +#include <vector> + +#include "common/alignment.h" +#include "common/common_types.h" +#include "core/core.h" +#include "video_core/memory_manager.h" +#include "video_core/rasterizer_cache.h" + +namespace VideoCore { +class RasterizerInterface; +} + +namespace VideoCommon { + +template <typename BufferStorageType> +class CachedBuffer final : public RasterizerCacheObject { +public: + explicit CachedBuffer(VAddr cpu_addr, u8* host_ptr) + : RasterizerCacheObject{host_ptr}, host_ptr{host_ptr}, cpu_addr{cpu_addr} {} + ~CachedBuffer() override = default; + + VAddr GetCpuAddr() const override { + return cpu_addr; + } + + std::size_t GetSizeInBytes() const override { + return size; + } + + u8* GetWritableHostPtr() const { + return host_ptr; + } + + std::size_t GetSize() const { + return size; + } + + std::size_t GetCapacity() const { + return capacity; + } + + bool IsInternalized() const { + return is_internal; + } + + const BufferStorageType& GetBuffer() const { + return buffer; + } + + void SetSize(std::size_t new_size) { + size = new_size; + } + + void SetInternalState(bool is_internal_) { + is_internal = is_internal_; + } + + BufferStorageType ExchangeBuffer(BufferStorageType buffer_, std::size_t new_capacity) { + capacity = new_capacity; + std::swap(buffer, buffer_); + return buffer_; + } + +private: + u8* host_ptr{}; + VAddr cpu_addr{}; + std::size_t size{}; + std::size_t capacity{}; + bool is_internal{}; + BufferStorageType buffer; +}; + +template <typename BufferStorageType, typename BufferType, typename StreamBuffer> +class BufferCache : public RasterizerCache<std::shared_ptr<CachedBuffer<BufferStorageType>>> { +public: + using Buffer = std::shared_ptr<CachedBuffer<BufferStorageType>>; + using BufferInfo = std::pair<const BufferType*, u64>; + + explicit BufferCache(VideoCore::RasterizerInterface& rasterizer, Core::System& system, + std::unique_ptr<StreamBuffer> stream_buffer) + : RasterizerCache<Buffer>{rasterizer}, system{system}, + stream_buffer{std::move(stream_buffer)}, stream_buffer_handle{ + this->stream_buffer->GetHandle()} {} + ~BufferCache() = default; + + void Unregister(const Buffer& entry) override { + std::lock_guard lock{RasterizerCache<Buffer>::mutex}; + if (entry->IsInternalized()) { + internalized_entries.erase(entry->GetCacheAddr()); + } + ReserveBuffer(entry); + RasterizerCache<Buffer>::Unregister(entry); + } + + void TickFrame() { + marked_for_destruction_index = + (marked_for_destruction_index + 1) % marked_for_destruction_ring_buffer.size(); + MarkedForDestruction().clear(); + } + + BufferInfo UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4, + bool internalize = false, bool is_written = false) { + std::lock_guard lock{RasterizerCache<Buffer>::mutex}; + + auto& memory_manager = system.GPU().MemoryManager(); + const auto host_ptr = memory_manager.GetPointer(gpu_addr); + if (!host_ptr) { + return {GetEmptyBuffer(size), 0}; + } + const auto cache_addr = ToCacheAddr(host_ptr); + + // Cache management is a big overhead, so only cache entries with a given size. + // TODO: Figure out which size is the best for given games. + constexpr std::size_t max_stream_size = 0x800; + if (!internalize && size < max_stream_size && + internalized_entries.find(cache_addr) == internalized_entries.end()) { + return StreamBufferUpload(host_ptr, size, alignment); + } + + auto entry = RasterizerCache<Buffer>::TryGet(cache_addr); + if (!entry) { + return FixedBufferUpload(gpu_addr, host_ptr, size, internalize, is_written); + } + + if (entry->GetSize() < size) { + IncreaseBufferSize(entry, size); + } + if (is_written) { + entry->MarkAsModified(true, *this); + } + return {ToHandle(entry->GetBuffer()), 0}; + } + + /// Uploads from a host memory. Returns the OpenGL buffer where it's located and its offset. + BufferInfo UploadHostMemory(const void* raw_pointer, std::size_t size, + std::size_t alignment = 4) { + std::lock_guard lock{RasterizerCache<Buffer>::mutex}; + return StreamBufferUpload(raw_pointer, size, alignment); + } + + void Map(std::size_t max_size) { + std::tie(buffer_ptr, buffer_offset_base, invalidated) = stream_buffer->Map(max_size, 4); + buffer_offset = buffer_offset_base; + } + + /// Finishes the upload stream, returns true on bindings invalidation. + bool Unmap() { + stream_buffer->Unmap(buffer_offset - buffer_offset_base); + return std::exchange(invalidated, false); + } + + virtual const BufferType* GetEmptyBuffer(std::size_t size) = 0; + +protected: + void FlushObjectInner(const Buffer& entry) override { + DownloadBufferData(entry->GetBuffer(), 0, entry->GetSize(), entry->GetWritableHostPtr()); + } + + virtual BufferStorageType CreateBuffer(std::size_t size) = 0; + + virtual const BufferType* ToHandle(const BufferStorageType& storage) = 0; + + virtual void UploadBufferData(const BufferStorageType& buffer, std::size_t offset, + std::size_t size, const u8* data) = 0; + + virtual void DownloadBufferData(const BufferStorageType& buffer, std::size_t offset, + std::size_t size, u8* data) = 0; + + virtual void CopyBufferData(const BufferStorageType& src, const BufferStorageType& dst, + std::size_t src_offset, std::size_t dst_offset, + std::size_t size) = 0; + +private: + BufferInfo StreamBufferUpload(const void* raw_pointer, std::size_t size, + std::size_t alignment) { + AlignBuffer(alignment); + const std::size_t uploaded_offset = buffer_offset; + std::memcpy(buffer_ptr, raw_pointer, size); + + buffer_ptr += size; + buffer_offset += size; + return {&stream_buffer_handle, uploaded_offset}; + } + + BufferInfo FixedBufferUpload(GPUVAddr gpu_addr, u8* host_ptr, std::size_t size, + bool internalize, bool is_written) { + auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager(); + const auto cpu_addr = memory_manager.GpuToCpuAddress(gpu_addr); + ASSERT(cpu_addr); + + auto entry = GetUncachedBuffer(*cpu_addr, host_ptr); + entry->SetSize(size); + entry->SetInternalState(internalize); + RasterizerCache<Buffer>::Register(entry); + + if (internalize) { + internalized_entries.emplace(ToCacheAddr(host_ptr)); + } + if (is_written) { + entry->MarkAsModified(true, *this); + } + + if (entry->GetCapacity() < size) { + MarkedForDestruction().push_back(entry->ExchangeBuffer(CreateBuffer(size), size)); + } + + UploadBufferData(entry->GetBuffer(), 0, size, host_ptr); + return {ToHandle(entry->GetBuffer()), 0}; + } + + void IncreaseBufferSize(Buffer& entry, std::size_t new_size) { + const std::size_t old_size = entry->GetSize(); + if (entry->GetCapacity() < new_size) { + const auto& old_buffer = entry->GetBuffer(); + auto new_buffer = CreateBuffer(new_size); + + // Copy bits from the old buffer to the new buffer. + CopyBufferData(old_buffer, new_buffer, 0, 0, old_size); + MarkedForDestruction().push_back( + entry->ExchangeBuffer(std::move(new_buffer), new_size)); + + // This buffer could have been used + invalidated = true; + } + // Upload the new bits. + const std::size_t size_diff = new_size - old_size; + UploadBufferData(entry->GetBuffer(), old_size, size_diff, entry->GetHostPtr() + old_size); + + // Update entry's size in the object and in the cache. + Unregister(entry); + + entry->SetSize(new_size); + RasterizerCache<Buffer>::Register(entry); + } + + Buffer GetUncachedBuffer(VAddr cpu_addr, u8* host_ptr) { + if (auto entry = TryGetReservedBuffer(host_ptr)) { + return entry; + } + return std::make_shared<CachedBuffer<BufferStorageType>>(cpu_addr, host_ptr); + } + + Buffer TryGetReservedBuffer(u8* host_ptr) { + const auto it = buffer_reserve.find(ToCacheAddr(host_ptr)); + if (it == buffer_reserve.end()) { + return {}; + } + auto& reserve = it->second; + auto entry = reserve.back(); + reserve.pop_back(); + return entry; + } + + void ReserveBuffer(Buffer entry) { + buffer_reserve[entry->GetCacheAddr()].push_back(std::move(entry)); + } + + void AlignBuffer(std::size_t alignment) { + // Align the offset, not the mapped pointer + const std::size_t offset_aligned = Common::AlignUp(buffer_offset, alignment); + buffer_ptr += offset_aligned - buffer_offset; + buffer_offset = offset_aligned; + } + + std::vector<BufferStorageType>& MarkedForDestruction() { + return marked_for_destruction_ring_buffer[marked_for_destruction_index]; + } + + Core::System& system; + + std::unique_ptr<StreamBuffer> stream_buffer; + BufferType stream_buffer_handle{}; + + bool invalidated = false; + + u8* buffer_ptr = nullptr; + u64 buffer_offset = 0; + u64 buffer_offset_base = 0; + + std::size_t marked_for_destruction_index = 0; + std::array<std::vector<BufferStorageType>, 4> marked_for_destruction_ring_buffer; + + std::unordered_set<CacheAddr> internalized_entries; + std::unordered_map<CacheAddr, std::vector<Buffer>> buffer_reserve; +}; + +} // namespace VideoCommon diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index 13e314944..8d15c8a48 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -67,6 +67,7 @@ public: static constexpr std::size_t MaxShaderStage = 5; // Maximum number of const buffers per shader stage. static constexpr std::size_t MaxConstBuffers = 18; + static constexpr std::size_t MaxConstBufferSize = 0x10000; enum class QueryMode : u32 { Write = 0, diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index b92921d0f..79d469b88 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -1278,6 +1278,7 @@ union Instruction { union { BitField<49, 1, u64> nodep_flag; BitField<53, 4, u64> texture_info; + BitField<59, 1, u64> fp32_flag; TextureType GetTextureType() const { // The TLDS instruction has a weird encoding for the texture type. @@ -1368,6 +1369,20 @@ union Instruction { } bra; union { + BitField<20, 24, u64> target; + BitField<5, 1, u64> constant_buffer; + + s32 GetBranchExtend() const { + // Sign extend the branch target offset + u32 mask = 1U << (24 - 1); + u32 value = static_cast<u32>(target); + // The branch offset is relative to the next instruction and is stored in bytes, so + // divide it by the size of an instruction and add 1 to it. + return static_cast<s32>((value ^ mask) - mask) / sizeof(Instruction) + 1; + } + } brx; + + union { BitField<39, 1, u64> emit; // EmitVertex BitField<40, 1, u64> cut; // EndPrimitive } out; @@ -1464,6 +1479,7 @@ public: BFE_IMM, BFI_IMM_R, BRA, + BRX, PBK, LD_A, LD_L, @@ -1738,6 +1754,7 @@ private: INST("111000101001----", Id::SSY, Type::Flow, "SSY"), INST("111000101010----", Id::PBK, Type::Flow, "PBK"), INST("111000100100----", Id::BRA, Type::Flow, "BRA"), + INST("111000100101----", Id::BRX, Type::Flow, "BRX"), INST("1111000011111---", Id::SYNC, Type::Flow, "SYNC"), INST("111000110100---", Id::BRK, Type::Flow, "BRK"), INST("111000110000----", Id::EXIT, Type::Flow, "EXIT"), @@ -1760,7 +1777,7 @@ private: INST("1101111101010---", Id::TXQ_B, Type::Texture, "TXQ_B"), INST("1101-00---------", Id::TEXS, Type::Texture, "TEXS"), INST("11011100--11----", Id::TLD, Type::Texture, "TLD"), - INST("1101101---------", Id::TLDS, Type::Texture, "TLDS"), + INST("1101-01---------", Id::TLDS, Type::Texture, "TLDS"), INST("110010----111---", Id::TLD4, Type::Texture, "TLD4"), INST("1101111100------", Id::TLD4S, Type::Texture, "TLD4S"), INST("110111110110----", Id::TMML_B, Type::Texture, "TMML_B"), diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index 52706505b..1b4975498 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp @@ -31,7 +31,7 @@ u32 FramebufferConfig::BytesPerPixel(PixelFormat format) { GPU::GPU(Core::System& system, VideoCore::RendererBase& renderer) : renderer{renderer} { auto& rasterizer{renderer.Rasterizer()}; - memory_manager = std::make_unique<Tegra::MemoryManager>(rasterizer); + memory_manager = std::make_unique<Tegra::MemoryManager>(system, rasterizer); dma_pusher = std::make_unique<Tegra::DmaPusher>(*this); maxwell_3d = std::make_unique<Engines::Maxwell3D>(system, rasterizer, *memory_manager); fermi_2d = std::make_unique<Engines::Fermi2D>(rasterizer, *memory_manager); diff --git a/src/video_core/macro_interpreter.cpp b/src/video_core/macro_interpreter.cpp index c766ed692..9f59a2dc1 100644 --- a/src/video_core/macro_interpreter.cpp +++ b/src/video_core/macro_interpreter.cpp @@ -4,14 +4,18 @@ #include "common/assert.h" #include "common/logging/log.h" +#include "common/microprofile.h" #include "video_core/engines/maxwell_3d.h" #include "video_core/macro_interpreter.h" +MICROPROFILE_DEFINE(MacroInterp, "GPU", "Execute macro interpreter", MP_RGB(128, 128, 192)); + namespace Tegra { MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {} void MacroInterpreter::Execute(u32 offset, std::vector<u32> parameters) { + MICROPROFILE_SCOPE(MacroInterp); Reset(); registers[1] = parameters[0]; this->parameters = std::move(parameters); diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp index 322453116..bffae940c 100644 --- a/src/video_core/memory_manager.cpp +++ b/src/video_core/memory_manager.cpp @@ -5,13 +5,17 @@ #include "common/alignment.h" #include "common/assert.h" #include "common/logging/log.h" +#include "core/core.h" +#include "core/hle/kernel/process.h" +#include "core/hle/kernel/vm_manager.h" #include "core/memory.h" #include "video_core/memory_manager.h" #include "video_core/rasterizer_interface.h" namespace Tegra { -MemoryManager::MemoryManager(VideoCore::RasterizerInterface& rasterizer) : rasterizer{rasterizer} { +MemoryManager::MemoryManager(Core::System& system, VideoCore::RasterizerInterface& rasterizer) + : rasterizer{rasterizer}, system{system} { std::fill(page_table.pointers.begin(), page_table.pointers.end(), nullptr); std::fill(page_table.attributes.begin(), page_table.attributes.end(), Common::PageType::Unmapped); @@ -49,6 +53,11 @@ GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, u64 size) { const GPUVAddr gpu_addr{FindFreeRegion(address_space_base, aligned_size)}; MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), aligned_size, cpu_addr); + ASSERT(system.CurrentProcess() + ->VMManager() + .SetMemoryAttribute(cpu_addr, size, Kernel::MemoryAttribute::DeviceMapped, + Kernel::MemoryAttribute::DeviceMapped) + .IsSuccess()); return gpu_addr; } @@ -59,7 +68,11 @@ GPUVAddr MemoryManager::MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size) const u64 aligned_size{Common::AlignUp(size, page_size)}; MapBackingMemory(gpu_addr, Memory::GetPointer(cpu_addr), aligned_size, cpu_addr); - + ASSERT(system.CurrentProcess() + ->VMManager() + .SetMemoryAttribute(cpu_addr, size, Kernel::MemoryAttribute::DeviceMapped, + Kernel::MemoryAttribute::DeviceMapped) + .IsSuccess()); return gpu_addr; } @@ -68,9 +81,16 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) { const u64 aligned_size{Common::AlignUp(size, page_size)}; const CacheAddr cache_addr{ToCacheAddr(GetPointer(gpu_addr))}; + const auto cpu_addr = GpuToCpuAddress(gpu_addr); + ASSERT(cpu_addr); rasterizer.FlushAndInvalidateRegion(cache_addr, aligned_size); UnmapRange(gpu_addr, aligned_size); + ASSERT(system.CurrentProcess() + ->VMManager() + .SetMemoryAttribute(cpu_addr.value(), size, Kernel::MemoryAttribute::DeviceMapped, + Kernel::MemoryAttribute::None) + .IsSuccess()); return gpu_addr; } diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h index 43a84bd52..aea010087 100644 --- a/src/video_core/memory_manager.h +++ b/src/video_core/memory_manager.h @@ -14,6 +14,10 @@ namespace VideoCore { class RasterizerInterface; } +namespace Core { +class System; +} + namespace Tegra { /** @@ -47,7 +51,7 @@ struct VirtualMemoryArea { class MemoryManager final { public: - explicit MemoryManager(VideoCore::RasterizerInterface& rasterizer); + explicit MemoryManager(Core::System& system, VideoCore::RasterizerInterface& rasterizer); ~MemoryManager(); GPUVAddr AllocateSpace(u64 size, u64 align); @@ -173,6 +177,8 @@ private: Common::PageTable page_table{page_bits}; VMAMap vma_map; VideoCore::RasterizerInterface& rasterizer; + + Core::System& system; }; } // namespace Tegra diff --git a/src/video_core/rasterizer_interface.h b/src/video_core/rasterizer_interface.h index 5ee4f8e8e..2b7367568 100644 --- a/src/video_core/rasterizer_interface.h +++ b/src/video_core/rasterizer_interface.h @@ -47,6 +47,9 @@ public: /// and invalidated virtual void FlushAndInvalidateRegion(CacheAddr addr, u64 size) = 0; + /// Notify rasterizer that a frame is about to finish + virtual void TickFrame() = 0; + /// Attempt to use a faster method to perform a surface copy virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src, const Tegra::Engines::Fermi2D::Regs::Surface& dst, diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp index 2b9bd142e..2a9b523f5 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp @@ -2,103 +2,57 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. -#include <cstring> #include <memory> -#include "common/alignment.h" -#include "core/core.h" -#include "video_core/memory_manager.h" +#include <glad/glad.h> + +#include "common/assert.h" #include "video_core/renderer_opengl/gl_buffer_cache.h" #include "video_core/renderer_opengl/gl_rasterizer.h" +#include "video_core/renderer_opengl/gl_resource_manager.h" namespace OpenGL { -CachedBufferEntry::CachedBufferEntry(VAddr cpu_addr, std::size_t size, GLintptr offset, - std::size_t alignment, u8* host_ptr) - : RasterizerCacheObject{host_ptr}, cpu_addr{cpu_addr}, size{size}, offset{offset}, - alignment{alignment} {} - -OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, std::size_t size) - : RasterizerCache{rasterizer}, stream_buffer(size, true) {} - -GLintptr OGLBufferCache::UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment, - bool cache) { - std::lock_guard lock{mutex}; - auto& memory_manager = Core::System::GetInstance().GPU().MemoryManager(); - - // Cache management is a big overhead, so only cache entries with a given size. - // TODO: Figure out which size is the best for given games. - cache &= size >= 2048; - - const auto& host_ptr{memory_manager.GetPointer(gpu_addr)}; - if (cache) { - auto entry = TryGet(host_ptr); - if (entry) { - if (entry->GetSize() >= size && entry->GetAlignment() == alignment) { - return entry->GetOffset(); - } - Unregister(entry); - } - } +OGLBufferCache::OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system, + std::size_t stream_size) + : VideoCommon::BufferCache<OGLBuffer, GLuint, OGLStreamBuffer>{ + rasterizer, system, std::make_unique<OGLStreamBuffer>(stream_size, true)} {} - AlignBuffer(alignment); - const GLintptr uploaded_offset = buffer_offset; +OGLBufferCache::~OGLBufferCache() = default; - if (!host_ptr) { - return uploaded_offset; - } - - std::memcpy(buffer_ptr, host_ptr, size); - buffer_ptr += size; - buffer_offset += size; - - if (cache) { - auto entry = std::make_shared<CachedBufferEntry>( - *memory_manager.GpuToCpuAddress(gpu_addr), size, uploaded_offset, alignment, host_ptr); - Register(entry); - } - - return uploaded_offset; +OGLBuffer OGLBufferCache::CreateBuffer(std::size_t size) { + OGLBuffer buffer; + buffer.Create(); + glNamedBufferData(buffer.handle, static_cast<GLsizeiptr>(size), nullptr, GL_DYNAMIC_DRAW); + return buffer; } -GLintptr OGLBufferCache::UploadHostMemory(const void* raw_pointer, std::size_t size, - std::size_t alignment) { - std::lock_guard lock{mutex}; - AlignBuffer(alignment); - std::memcpy(buffer_ptr, raw_pointer, size); - const GLintptr uploaded_offset = buffer_offset; - - buffer_ptr += size; - buffer_offset += size; - return uploaded_offset; +const GLuint* OGLBufferCache::ToHandle(const OGLBuffer& buffer) { + return &buffer.handle; } -bool OGLBufferCache::Map(std::size_t max_size) { - bool invalidate; - std::tie(buffer_ptr, buffer_offset_base, invalidate) = - stream_buffer.Map(static_cast<GLsizeiptr>(max_size), 4); - buffer_offset = buffer_offset_base; - - if (invalidate) { - InvalidateAll(); - } - return invalidate; +const GLuint* OGLBufferCache::GetEmptyBuffer(std::size_t) { + static const GLuint null_buffer = 0; + return &null_buffer; } -void OGLBufferCache::Unmap() { - stream_buffer.Unmap(buffer_offset - buffer_offset_base); +void OGLBufferCache::UploadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size, + const u8* data) { + glNamedBufferSubData(buffer.handle, static_cast<GLintptr>(offset), + static_cast<GLsizeiptr>(size), data); } -GLuint OGLBufferCache::GetHandle() const { - return stream_buffer.GetHandle(); +void OGLBufferCache::DownloadBufferData(const OGLBuffer& buffer, std::size_t offset, + std::size_t size, u8* data) { + glGetNamedBufferSubData(buffer.handle, static_cast<GLintptr>(offset), + static_cast<GLsizeiptr>(size), data); } -void OGLBufferCache::AlignBuffer(std::size_t alignment) { - // Align the offset, not the mapped pointer - const GLintptr offset_aligned = - static_cast<GLintptr>(Common::AlignUp(static_cast<std::size_t>(buffer_offset), alignment)); - buffer_ptr += offset_aligned - buffer_offset; - buffer_offset = offset_aligned; +void OGLBufferCache::CopyBufferData(const OGLBuffer& src, const OGLBuffer& dst, + std::size_t src_offset, std::size_t dst_offset, + std::size_t size) { + glCopyNamedBufferSubData(src.handle, dst.handle, static_cast<GLintptr>(src_offset), + static_cast<GLintptr>(dst_offset), static_cast<GLsizeiptr>(size)); } } // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.h b/src/video_core/renderer_opengl/gl_buffer_cache.h index f2347581b..8c8ac4038 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.h +++ b/src/video_core/renderer_opengl/gl_buffer_cache.h @@ -4,80 +4,44 @@ #pragma once -#include <cstddef> #include <memory> -#include <tuple> #include "common/common_types.h" +#include "video_core/buffer_cache.h" #include "video_core/rasterizer_cache.h" #include "video_core/renderer_opengl/gl_resource_manager.h" #include "video_core/renderer_opengl/gl_stream_buffer.h" +namespace Core { +class System; +} + namespace OpenGL { +class OGLStreamBuffer; class RasterizerOpenGL; -class CachedBufferEntry final : public RasterizerCacheObject { -public: - explicit CachedBufferEntry(VAddr cpu_addr, std::size_t size, GLintptr offset, - std::size_t alignment, u8* host_ptr); - - VAddr GetCpuAddr() const override { - return cpu_addr; - } - - std::size_t GetSizeInBytes() const override { - return size; - } - - std::size_t GetSize() const { - return size; - } - - GLintptr GetOffset() const { - return offset; - } - - std::size_t GetAlignment() const { - return alignment; - } - -private: - VAddr cpu_addr{}; - std::size_t size{}; - GLintptr offset{}; - std::size_t alignment{}; -}; - -class OGLBufferCache final : public RasterizerCache<std::shared_ptr<CachedBufferEntry>> { +class OGLBufferCache final : public VideoCommon::BufferCache<OGLBuffer, GLuint, OGLStreamBuffer> { public: - explicit OGLBufferCache(RasterizerOpenGL& rasterizer, std::size_t size); - - /// Uploads data from a guest GPU address. Returns host's buffer offset where it's been - /// allocated. - GLintptr UploadMemory(GPUVAddr gpu_addr, std::size_t size, std::size_t alignment = 4, - bool cache = true); + explicit OGLBufferCache(RasterizerOpenGL& rasterizer, Core::System& system, + std::size_t stream_size); + ~OGLBufferCache(); - /// Uploads from a host memory. Returns host's buffer offset where it's been allocated. - GLintptr UploadHostMemory(const void* raw_pointer, std::size_t size, std::size_t alignment = 4); - - bool Map(std::size_t max_size); - void Unmap(); - - GLuint GetHandle() const; + const GLuint* GetEmptyBuffer(std::size_t) override; protected: - void AlignBuffer(std::size_t alignment); + OGLBuffer CreateBuffer(std::size_t size) override; + + const GLuint* ToHandle(const OGLBuffer& buffer) override; - // We do not have to flush this cache as things in it are never modified by us. - void FlushObjectInner(const std::shared_ptr<CachedBufferEntry>& object) override {} + void UploadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size, + const u8* data) override; -private: - OGLStreamBuffer stream_buffer; + void DownloadBufferData(const OGLBuffer& buffer, std::size_t offset, std::size_t size, + u8* data) override; - u8* buffer_ptr = nullptr; - GLintptr buffer_offset = 0; - GLintptr buffer_offset_base = 0; + void CopyBufferData(const OGLBuffer& src, const OGLBuffer& dst, std::size_t src_offset, + std::size_t dst_offset, std::size_t size) override; }; } // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_device.cpp b/src/video_core/renderer_opengl/gl_device.cpp index 4b1f22f7a..85424a4c9 100644 --- a/src/video_core/renderer_opengl/gl_device.cpp +++ b/src/video_core/renderer_opengl/gl_device.cpp @@ -24,6 +24,7 @@ T GetInteger(GLenum pname) { Device::Device() { uniform_buffer_alignment = GetInteger<std::size_t>(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT); + shader_storage_alignment = GetInteger<std::size_t>(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT); max_vertex_attributes = GetInteger<u32>(GL_MAX_VERTEX_ATTRIBS); max_varyings = GetInteger<u32>(GL_MAX_VARYING_VECTORS); has_vertex_viewport_layer = GLAD_GL_ARB_shader_viewport_layer_array; diff --git a/src/video_core/renderer_opengl/gl_device.h b/src/video_core/renderer_opengl/gl_device.h index 7a3a0675b..dc883722d 100644 --- a/src/video_core/renderer_opengl/gl_device.h +++ b/src/video_core/renderer_opengl/gl_device.h @@ -18,6 +18,10 @@ public: return uniform_buffer_alignment; } + std::size_t GetShaderStorageBufferAlignment() const { + return shader_storage_alignment; + } + u32 GetMaxVertexAttributes() const { return max_vertex_attributes; } @@ -43,6 +47,7 @@ private: static bool TestComponentIndexingBug(); std::size_t uniform_buffer_alignment{}; + std::size_t shader_storage_alignment{}; u32 max_vertex_attributes{}; u32 max_varyings{}; bool has_vertex_viewport_layer{}; diff --git a/src/video_core/renderer_opengl/gl_global_cache.cpp b/src/video_core/renderer_opengl/gl_global_cache.cpp deleted file mode 100644 index d5e385151..000000000 --- a/src/video_core/renderer_opengl/gl_global_cache.cpp +++ /dev/null @@ -1,102 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <glad/glad.h> - -#include "common/logging/log.h" -#include "core/core.h" -#include "video_core/memory_manager.h" -#include "video_core/renderer_opengl/gl_global_cache.h" -#include "video_core/renderer_opengl/gl_rasterizer.h" -#include "video_core/renderer_opengl/gl_shader_decompiler.h" -#include "video_core/renderer_opengl/utils.h" - -namespace OpenGL { - -CachedGlobalRegion::CachedGlobalRegion(VAddr cpu_addr, u8* host_ptr, u32 size, u32 max_size) - : RasterizerCacheObject{host_ptr}, cpu_addr{cpu_addr}, host_ptr{host_ptr}, size{size}, - max_size{max_size} { - buffer.Create(); - LabelGLObject(GL_BUFFER, buffer.handle, cpu_addr, "GlobalMemory"); -} - -CachedGlobalRegion::~CachedGlobalRegion() = default; - -void CachedGlobalRegion::Reload(u32 size_) { - size = size_; - if (size > max_size) { - size = max_size; - LOG_CRITICAL(HW_GPU, "Global region size {} exceeded the supported size {}!", size_, - max_size); - } - glNamedBufferData(buffer.handle, size, host_ptr, GL_STREAM_DRAW); -} - -void CachedGlobalRegion::Flush() { - LOG_DEBUG(Render_OpenGL, "Flushing {} bytes to CPU memory address 0x{:16}", size, cpu_addr); - glGetNamedBufferSubData(buffer.handle, 0, static_cast<GLsizeiptr>(size), host_ptr); -} - -GlobalRegion GlobalRegionCacheOpenGL::TryGetReservedGlobalRegion(CacheAddr addr, u32 size) const { - const auto search{reserve.find(addr)}; - if (search == reserve.end()) { - return {}; - } - return search->second; -} - -GlobalRegion GlobalRegionCacheOpenGL::GetUncachedGlobalRegion(GPUVAddr addr, u8* host_ptr, - u32 size) { - GlobalRegion region{TryGetReservedGlobalRegion(ToCacheAddr(host_ptr), size)}; - if (!region) { - // No reserved surface available, create a new one and reserve it - auto& memory_manager{Core::System::GetInstance().GPU().MemoryManager()}; - const auto cpu_addr{memory_manager.GpuToCpuAddress(addr)}; - ASSERT(cpu_addr); - - region = std::make_shared<CachedGlobalRegion>(*cpu_addr, host_ptr, size, max_ssbo_size); - ReserveGlobalRegion(region); - } - region->Reload(size); - return region; -} - -void GlobalRegionCacheOpenGL::ReserveGlobalRegion(GlobalRegion region) { - reserve.insert_or_assign(region->GetCacheAddr(), std::move(region)); -} - -GlobalRegionCacheOpenGL::GlobalRegionCacheOpenGL(RasterizerOpenGL& rasterizer) - : RasterizerCache{rasterizer} { - GLint max_ssbo_size_; - glGetIntegerv(GL_MAX_SHADER_STORAGE_BLOCK_SIZE, &max_ssbo_size_); - max_ssbo_size = static_cast<u32>(max_ssbo_size_); -} - -GlobalRegion GlobalRegionCacheOpenGL::GetGlobalRegion( - const GLShader::GlobalMemoryEntry& global_region, - Tegra::Engines::Maxwell3D::Regs::ShaderStage stage) { - std::lock_guard lock{mutex}; - - auto& gpu{Core::System::GetInstance().GPU()}; - auto& memory_manager{gpu.MemoryManager()}; - const auto cbufs{gpu.Maxwell3D().state.shader_stages[static_cast<std::size_t>(stage)]}; - const auto addr{cbufs.const_buffers[global_region.GetCbufIndex()].address + - global_region.GetCbufOffset()}; - const auto actual_addr{memory_manager.Read<u64>(addr)}; - const auto size{memory_manager.Read<u32>(addr + 8)}; - - // Look up global region in the cache based on address - const auto& host_ptr{memory_manager.GetPointer(actual_addr)}; - GlobalRegion region{TryGet(host_ptr)}; - - if (!region) { - // No global region found - create a new one - region = GetUncachedGlobalRegion(actual_addr, host_ptr, size); - Register(region); - } - - return region; -} - -} // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_global_cache.h b/src/video_core/renderer_opengl/gl_global_cache.h deleted file mode 100644 index 2d467a240..000000000 --- a/src/video_core/renderer_opengl/gl_global_cache.h +++ /dev/null @@ -1,82 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <memory> -#include <unordered_map> - -#include <glad/glad.h> - -#include "common/assert.h" -#include "common/common_types.h" -#include "video_core/engines/maxwell_3d.h" -#include "video_core/rasterizer_cache.h" -#include "video_core/renderer_opengl/gl_resource_manager.h" - -namespace OpenGL { - -namespace GLShader { -class GlobalMemoryEntry; -} - -class RasterizerOpenGL; -class CachedGlobalRegion; -using GlobalRegion = std::shared_ptr<CachedGlobalRegion>; - -class CachedGlobalRegion final : public RasterizerCacheObject { -public: - explicit CachedGlobalRegion(VAddr cpu_addr, u8* host_ptr, u32 size, u32 max_size); - ~CachedGlobalRegion(); - - VAddr GetCpuAddr() const override { - return cpu_addr; - } - - std::size_t GetSizeInBytes() const override { - return size; - } - - /// Gets the GL program handle for the buffer - GLuint GetBufferHandle() const { - return buffer.handle; - } - - /// Reloads the global region from guest memory - void Reload(u32 size_); - - void Flush(); - -private: - VAddr cpu_addr{}; - u8* host_ptr{}; - u32 size{}; - u32 max_size{}; - - OGLBuffer buffer; -}; - -class GlobalRegionCacheOpenGL final : public RasterizerCache<GlobalRegion> { -public: - explicit GlobalRegionCacheOpenGL(RasterizerOpenGL& rasterizer); - - /// Gets the current specified shader stage program - GlobalRegion GetGlobalRegion(const GLShader::GlobalMemoryEntry& descriptor, - Tegra::Engines::Maxwell3D::Regs::ShaderStage stage); - -protected: - void FlushObjectInner(const GlobalRegion& object) override { - object->Flush(); - } - -private: - GlobalRegion TryGetReservedGlobalRegion(CacheAddr addr, u32 size) const; - GlobalRegion GetUncachedGlobalRegion(GPUVAddr addr, u8* host_ptr, u32 size); - void ReserveGlobalRegion(GlobalRegion region); - - std::unordered_map<CacheAddr, GlobalRegion> reserve; - u32 max_ssbo_size{}; -}; - -} // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index f45a3c5ef..0bb5c068c 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -20,6 +20,7 @@ #include "core/hle/kernel/process.h" #include "core/settings.h" #include "video_core/engines/maxwell_3d.h" +#include "video_core/memory_manager.h" #include "video_core/renderer_opengl/gl_rasterizer.h" #include "video_core/renderer_opengl/gl_shader_cache.h" #include "video_core/renderer_opengl/gl_shader_gen.h" @@ -80,11 +81,25 @@ struct DrawParameters { } }; +static std::size_t GetConstBufferSize(const Tegra::Engines::ConstBufferInfo& buffer, + const GLShader::ConstBufferEntry& entry) { + if (!entry.IsIndirect()) { + return entry.GetSize(); + } + + if (buffer.size > Maxwell::MaxConstBufferSize) { + LOG_WARNING(Render_OpenGL, "Indirect constbuffer size {} exceeds maximum {}", buffer.size, + Maxwell::MaxConstBufferSize); + return Maxwell::MaxConstBufferSize; + } + + return buffer.size; +} + RasterizerOpenGL::RasterizerOpenGL(Core::System& system, Core::Frontend::EmuWindow& emu_window, ScreenInfo& info) : texture_cache{system, *this, device}, shader_cache{*this, system, emu_window, device}, - global_cache{*this}, system{system}, screen_info{info}, - buffer_cache(*this, STREAM_BUFFER_SIZE) { + system{system}, screen_info{info}, buffer_cache{*this, system, STREAM_BUFFER_SIZE} { OpenGLState::ApplyDefaultState(); shader_program_manager = std::make_unique<GLShader::ProgramManager>(); @@ -129,8 +144,6 @@ GLuint RasterizerOpenGL::SetupVertexFormat() { state.draw.vertex_array = vao; state.ApplyVertexArrayState(); - glVertexArrayElementBuffer(vao, buffer_cache.GetHandle()); - // Use the vertex array as-is, assumes that the data is formatted correctly for OpenGL. // Enables the first 16 vertex attributes always, as we don't know which ones are actually // used until shader time. Note, Tegra technically supports 32, but we're capping this to 16 @@ -197,11 +210,11 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) { ASSERT(end > start); const u64 size = end - start + 1; - const GLintptr vertex_buffer_offset = buffer_cache.UploadMemory(start, size); + const auto [vertex_buffer, vertex_buffer_offset] = buffer_cache.UploadMemory(start, size); // Bind the vertex array to the buffer at the current offset. - glVertexArrayVertexBuffer(vao, index, buffer_cache.GetHandle(), vertex_buffer_offset, - vertex_array.stride); + vertex_array_pushbuffer.SetVertexBuffer(index, vertex_buffer, vertex_buffer_offset, + vertex_array.stride); if (regs.instanced_arrays.IsInstancingEnabled(index) && vertex_array.divisor != 0) { // Enable vertex buffer instancing with the specified divisor. @@ -215,7 +228,19 @@ void RasterizerOpenGL::SetupVertexBuffer(GLuint vao) { gpu.dirty_flags.vertex_array.reset(); } -DrawParameters RasterizerOpenGL::SetupDraw() { +GLintptr RasterizerOpenGL::SetupIndexBuffer() { + if (accelerate_draw != AccelDraw::Indexed) { + return 0; + } + MICROPROFILE_SCOPE(OpenGL_Index); + const auto& regs = system.GPU().Maxwell3D().regs; + const std::size_t size = CalculateIndexBufferSize(); + const auto [buffer, offset] = buffer_cache.UploadMemory(regs.index_array.IndexStart(), size); + vertex_array_pushbuffer.SetIndexBuffer(buffer); + return offset; +} + +DrawParameters RasterizerOpenGL::SetupDraw(GLintptr index_buffer_offset) { const auto& gpu = system.GPU().Maxwell3D(); const auto& regs = gpu.regs; const bool is_indexed = accelerate_draw == AccelDraw::Indexed; @@ -227,11 +252,9 @@ DrawParameters RasterizerOpenGL::SetupDraw() { params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology); if (is_indexed) { - MICROPROFILE_SCOPE(OpenGL_Index); params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format); params.count = regs.index_array.count; - params.index_buffer_offset = - buffer_cache.UploadMemory(regs.index_array.IndexStart(), CalculateIndexBufferSize()); + params.index_buffer_offset = index_buffer_offset; params.base_vertex = static_cast<GLint>(regs.vb_element_base); } else { params.count = regs.vertex_buffer.count; @@ -247,10 +270,6 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) { BaseBindings base_bindings; std::array<bool, Maxwell::NumClipDistances> clip_distances{}; - // Prepare packed bindings - bind_ubo_pushbuffer.Setup(base_bindings.cbuf); - bind_ssbo_pushbuffer.Setup(base_bindings.gmem); - for (std::size_t index = 0; index < Maxwell::MaxShaderProgram; ++index) { const auto& shader_config = gpu.regs.shader_config[index]; const Maxwell::ShaderProgram program{static_cast<Maxwell::ShaderProgram>(index)}; @@ -271,12 +290,11 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) { GLShader::MaxwellUniformData ubo{}; ubo.SetFromRegs(gpu, stage); - const GLintptr offset = + const auto [buffer, offset] = buffer_cache.UploadHostMemory(&ubo, sizeof(ubo), device.GetUniformBufferAlignment()); // Bind the emulation info buffer - bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), offset, - static_cast<GLsizeiptr>(sizeof(ubo))); + bind_ubo_pushbuffer.Push(buffer, offset, static_cast<GLsizeiptr>(sizeof(ubo))); Shader shader{shader_cache.GetStageProgram(program)}; @@ -321,9 +339,6 @@ void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) { base_bindings = next_bindings; } - bind_ubo_pushbuffer.Bind(); - bind_ssbo_pushbuffer.Bind(); - SyncClipEnabled(clip_distances); gpu.dirty_flags.shaders = false; @@ -634,26 +649,46 @@ void RasterizerOpenGL::DrawArrays() { Maxwell::MaxShaderStage; // Add space for at least 18 constant buffers - buffer_size += - Maxwell::MaxConstBuffers * (MaxConstbufferSize + device.GetUniformBufferAlignment()); + buffer_size += Maxwell::MaxConstBuffers * + (Maxwell::MaxConstBufferSize + device.GetUniformBufferAlignment()); - const bool invalidate = buffer_cache.Map(buffer_size); - if (invalidate) { - // As all cached buffers are invalidated, we need to recheck their state. - gpu.dirty_flags.vertex_array.set(); - } + // Prepare the vertex array. + buffer_cache.Map(buffer_size); + // Prepare vertex array format. const GLuint vao = SetupVertexFormat(); + vertex_array_pushbuffer.Setup(vao); + + // Upload vertex and index data. SetupVertexBuffer(vao); + const GLintptr index_buffer_offset = SetupIndexBuffer(); - DrawParameters params = SetupDraw(); + // Setup draw parameters. It will automatically choose what glDraw* method to use. + const DrawParameters params = SetupDraw(index_buffer_offset); + + // Prepare packed bindings. + bind_ubo_pushbuffer.Setup(0); + bind_ssbo_pushbuffer.Setup(0); + + // Setup shaders and their used resources. texture_cache.GuardSamplers(true); SetupShaders(params.primitive_mode); texture_cache.GuardSamplers(false); 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. + vertex_array_pushbuffer.Bind(); + 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(); @@ -675,7 +710,7 @@ void RasterizerOpenGL::FlushRegion(CacheAddr addr, u64 size) { return; } texture_cache.FlushRegion(addr, size); - global_cache.FlushRegion(addr, size); + buffer_cache.FlushRegion(addr, size); } void RasterizerOpenGL::InvalidateRegion(CacheAddr addr, u64 size) { @@ -685,7 +720,6 @@ void RasterizerOpenGL::InvalidateRegion(CacheAddr addr, u64 size) { } texture_cache.InvalidateRegion(addr, size); shader_cache.InvalidateRegion(addr, size); - global_cache.InvalidateRegion(addr, size); buffer_cache.InvalidateRegion(addr, size); } @@ -696,6 +730,10 @@ 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) { @@ -739,11 +777,9 @@ void RasterizerOpenGL::SetupDrawConstBuffers(Tegra::Engines::Maxwell3D::Regs::Sh MICROPROFILE_SCOPE(OpenGL_UBO); const auto stage_index = static_cast<std::size_t>(stage); const auto& shader_stage = system.GPU().Maxwell3D().state.shader_stages[stage_index]; - const auto& entries = shader->GetShaderEntries().const_buffers; // Upload only the enabled buffers from the 16 constbuffers of each shader stage - for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) { - const auto& entry = entries[bindpoint]; + for (const auto& entry : shader->GetShaderEntries().const_buffers) { SetupConstBuffer(shader_stage.const_buffers[entry.GetIndex()], entry); } } @@ -752,46 +788,34 @@ void RasterizerOpenGL::SetupConstBuffer(const Tegra::Engines::ConstBufferInfo& b const GLShader::ConstBufferEntry& entry) { if (!buffer.enabled) { // Set values to zero to unbind buffers - bind_ubo_pushbuffer.Push(0, 0, 0); + bind_ubo_pushbuffer.Push(buffer_cache.GetEmptyBuffer(sizeof(float)), 0, sizeof(float)); return; } - std::size_t size; - if (entry.IsIndirect()) { - // Buffer is accessed indirectly, so upload the entire thing - size = buffer.size; - - if (size > MaxConstbufferSize) { - LOG_WARNING(Render_OpenGL, "Indirect constbuffer size {} exceeds maximum {}", size, - MaxConstbufferSize); - size = MaxConstbufferSize; - } - } else { - // Buffer is accessed directly, upload just what we use - size = entry.GetSize(); - } - // Align the actual size so it ends up being a multiple of vec4 to meet the OpenGL std140 // UBO alignment requirements. - size = Common::AlignUp(size, sizeof(GLvec4)); - ASSERT_MSG(size <= MaxConstbufferSize, "Constant buffer is too big"); + const std::size_t size = Common::AlignUp(GetConstBufferSize(buffer, entry), sizeof(GLvec4)); - const std::size_t alignment = device.GetUniformBufferAlignment(); - const GLintptr offset = buffer_cache.UploadMemory(buffer.address, size, alignment); - bind_ubo_pushbuffer.Push(buffer_cache.GetHandle(), offset, size); + const auto alignment = device.GetUniformBufferAlignment(); + const auto [cbuf, offset] = buffer_cache.UploadMemory(buffer.address, size, alignment); + bind_ubo_pushbuffer.Push(cbuf, offset, size); } void RasterizerOpenGL::SetupGlobalRegions(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage, const Shader& shader) { - const auto& entries = shader->GetShaderEntries().global_memory_entries; - for (std::size_t bindpoint = 0; bindpoint < entries.size(); ++bindpoint) { - const auto& entry{entries[bindpoint]}; - const auto& region{global_cache.GetGlobalRegion(entry, stage)}; - if (entry.IsWritten()) { - region->MarkAsModified(true, global_cache); - } - bind_ssbo_pushbuffer.Push(region->GetBufferHandle(), 0, - static_cast<GLsizeiptr>(region->GetSizeInBytes())); + auto& gpu{system.GPU()}; + auto& memory_manager{gpu.MemoryManager()}; + const auto cbufs{gpu.Maxwell3D().state.shader_stages[static_cast<std::size_t>(stage)]}; + const auto alignment{device.GetShaderStorageBufferAlignment()}; + + for (const auto& entry : shader->GetShaderEntries().global_memory_entries) { + const auto addr{cbufs.const_buffers[entry.GetCbufIndex()].address + entry.GetCbufOffset()}; + const auto actual_addr{memory_manager.Read<u64>(addr)}; + const auto size{memory_manager.Read<u32>(addr + 8)}; + + const auto [ssbo, buffer_offset] = + buffer_cache.UploadMemory(actual_addr, size, alignment, true, entry.IsWritten()); + bind_ssbo_pushbuffer.Push(ssbo, buffer_offset, static_cast<GLsizeiptr>(size)); } } diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index bf67e3a70..40b571d58 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -24,7 +24,6 @@ #include "video_core/renderer_opengl/gl_buffer_cache.h" #include "video_core/renderer_opengl/gl_device.h" #include "video_core/renderer_opengl/gl_framebuffer_cache.h" -#include "video_core/renderer_opengl/gl_global_cache.h" #include "video_core/renderer_opengl/gl_resource_manager.h" #include "video_core/renderer_opengl/gl_sampler_cache.h" #include "video_core/renderer_opengl/gl_shader_cache.h" @@ -63,6 +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; @@ -73,11 +73,6 @@ public: void LoadDiskResources(const std::atomic_bool& stop_loading, const VideoCore::DiskResourceLoadCallback& callback) override; - /// Maximum supported size that a constbuffer can have in bytes. - static constexpr std::size_t MaxConstbufferSize = 0x10000; - static_assert(MaxConstbufferSize % sizeof(GLvec4) == 0, - "The maximum size of a constbuffer must be a multiple of the size of GLvec4"); - private: struct FramebufferConfigState { bool using_color_fb{}; @@ -98,17 +93,19 @@ private: /** * Configures the color and depth framebuffer states. - * @param must_reconfigure If true, tells the framebuffer to skip the cache and reconfigure - * again. Used by the texture cache to solve texception conflicts - * @param use_color_fb If true, configure color framebuffers. - * @param using_depth_fb If true, configure the depth/stencil framebuffer. - * @param preserve_contents If true, tries to preserve data from a previously used framebuffer. + * + * @param current_state The current OpenGL state. + * @param using_color_fb If true, configure color framebuffers. + * @param using_depth_fb If true, configure the depth/stencil framebuffer. + * @param preserve_contents If true, tries to preserve data from a previously used + * framebuffer. * @param single_color_target Specifies if a single color buffer target should be used. + * * @returns If depth (first) or stencil (second) are being stored in the bound zeta texture - * (requires using_depth_fb to be true) + * (requires using_depth_fb to be true) */ std::pair<bool, bool> ConfigureFramebuffers( - OpenGLState& current_state, bool use_color_fb = true, bool using_depth_fb = true, + OpenGLState& current_state, bool using_color_fb = true, bool using_depth_fb = true, bool preserve_contents = true, std::optional<std::size_t> single_color_target = {}); /// Configures the current constbuffers to use for the draw command. @@ -189,7 +186,6 @@ private: TextureCacheOpenGL texture_cache; ShaderCacheOpenGL shader_cache; - GlobalRegionCacheOpenGL global_cache; SamplerCacheOpenGL sampler_cache; FramebufferCacheOpenGL framebuffer_cache; @@ -208,6 +204,7 @@ private: static constexpr std::size_t STREAM_BUFFER_SIZE = 128 * 1024 * 1024; OGLBufferCache buffer_cache; + VertexArrayPushBuffer vertex_array_pushbuffer; BindBuffersRangePushBuffer bind_ubo_pushbuffer{GL_UNIFORM_BUFFER}; BindBuffersRangePushBuffer bind_ssbo_pushbuffer{GL_SHADER_STORAGE_BUFFER}; @@ -220,7 +217,9 @@ private: void SetupVertexBuffer(GLuint vao); - DrawParameters SetupDraw(); + GLintptr SetupIndexBuffer(); + + DrawParameters SetupDraw(GLintptr index_buffer_offset); void SetupShaders(GLenum primitive_mode); diff --git a/src/video_core/renderer_opengl/gl_sampler_cache.h b/src/video_core/renderer_opengl/gl_sampler_cache.h index defbc2d81..34ee37f00 100644 --- a/src/video_core/renderer_opengl/gl_sampler_cache.h +++ b/src/video_core/renderer_opengl/gl_sampler_cache.h @@ -17,9 +17,9 @@ public: ~SamplerCacheOpenGL(); protected: - OGLSampler CreateSampler(const Tegra::Texture::TSCEntry& tsc) const; + OGLSampler CreateSampler(const Tegra::Texture::TSCEntry& tsc) const override; - GLuint ToSamplerType(const OGLSampler& sampler) const; + GLuint ToSamplerType(const OGLSampler& sampler) const override; }; } // namespace OpenGL diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp index 7fea92713..32dd9eae7 100644 --- a/src/video_core/renderer_opengl/gl_shader_cache.cpp +++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp @@ -129,9 +129,11 @@ std::size_t CalculateProgramSize(const GLShader::ProgramCode& program) { /// Hashes one (or two) program streams u64 GetUniqueIdentifier(Maxwell::ShaderProgram program_type, const ProgramCode& code, - const ProgramCode& code_b) { - u64 unique_identifier = - Common::CityHash64(reinterpret_cast<const char*>(code.data()), CalculateProgramSize(code)); + const ProgramCode& code_b, std::size_t size_a = 0, std::size_t size_b = 0) { + if (size_a == 0) { + size_a = CalculateProgramSize(code); + } + u64 unique_identifier = Common::CityHash64(reinterpret_cast<const char*>(code.data()), size_a); if (program_type != Maxwell::ShaderProgram::VertexA) { return unique_identifier; } @@ -140,8 +142,11 @@ u64 GetUniqueIdentifier(Maxwell::ShaderProgram program_type, const ProgramCode& std::size_t seed = 0; boost::hash_combine(seed, unique_identifier); - const u64 identifier_b = Common::CityHash64(reinterpret_cast<const char*>(code_b.data()), - CalculateProgramSize(code_b)); + if (size_b == 0) { + size_b = CalculateProgramSize(code_b); + } + const u64 identifier_b = + Common::CityHash64(reinterpret_cast<const char*>(code_b.data()), size_b); boost::hash_combine(seed, identifier_b); return static_cast<u64>(seed); } @@ -150,14 +155,17 @@ u64 GetUniqueIdentifier(Maxwell::ShaderProgram program_type, const ProgramCode& GLShader::ProgramResult CreateProgram(const Device& device, Maxwell::ShaderProgram program_type, ProgramCode program_code, ProgramCode program_code_b) { GLShader::ShaderSetup setup(program_code); + setup.program.size_a = CalculateProgramSize(program_code); + setup.program.size_b = 0; if (program_type == Maxwell::ShaderProgram::VertexA) { // VertexB is always enabled, so when VertexA is enabled, we have two vertex shaders. // Conventional HW does not support this, so we combine VertexA and VertexB into one // stage here. setup.SetProgramB(program_code_b); + setup.program.size_b = CalculateProgramSize(program_code_b); } - setup.program.unique_identifier = - GetUniqueIdentifier(program_type, program_code, program_code_b); + setup.program.unique_identifier = GetUniqueIdentifier( + program_type, program_code, program_code_b, setup.program.size_a, setup.program.size_b); switch (program_type) { case Maxwell::ShaderProgram::VertexA: diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 3408e6c41..119073776 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -47,7 +47,7 @@ using TextureArgument = std::pair<Type, Node>; using TextureIR = std::variant<TextureAoffi, TextureArgument>; constexpr u32 MAX_CONSTBUFFER_ELEMENTS = - static_cast<u32>(RasterizerOpenGL::MaxConstbufferSize) / (4 * sizeof(float)); + static_cast<u32>(Maxwell::MaxConstBufferSize) / (4 * sizeof(float)); class ShaderWriter { public: @@ -192,10 +192,12 @@ public: // TODO(Subv): Figure out the actual depth of the flow stack, for now it seems // unlikely that shaders will use 20 nested SSYs and PBKs. - constexpr u32 FLOW_STACK_SIZE = 20; - for (const auto stack : std::array{MetaStackClass::Ssy, MetaStackClass::Pbk}) { - code.AddLine("uint {}[{}];", FlowStackName(stack), FLOW_STACK_SIZE); - code.AddLine("uint {} = 0u;", FlowStackTopName(stack)); + if (!ir.IsFlowStackDisabled()) { + constexpr u32 FLOW_STACK_SIZE = 20; + for (const auto stack : std::array{MetaStackClass::Ssy, MetaStackClass::Pbk}) { + code.AddLine("uint {}[{}];", FlowStackName(stack), FLOW_STACK_SIZE); + code.AddLine("uint {} = 0u;", FlowStackTopName(stack)); + } } code.AddLine("while (true) {{"); @@ -1602,6 +1604,14 @@ private: return {}; } + std::string BranchIndirect(Operation operation) { + const std::string op_a = VisitOperand(operation, 0, Type::Uint); + + code.AddLine("jmp_to = {};", op_a); + code.AddLine("break;"); + return {}; + } + std::string PushFlowStack(Operation operation) { const auto stack = std::get<MetaStackClass>(operation.GetMeta()); const auto target = std::get_if<ImmediateNode>(&*operation[0]); @@ -1836,6 +1846,7 @@ private: &GLSLDecompiler::ImageStore, &GLSLDecompiler::Branch, + &GLSLDecompiler::BranchIndirect, &GLSLDecompiler::PushFlowStack, &GLSLDecompiler::PopFlowStack, &GLSLDecompiler::Exit, diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 9148629ec..f9ee8429e 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -29,14 +29,14 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform vs_config { }; )"; - const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET); + const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a); ProgramResult program = Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Vertex, "vertex"); out += program.first; if (setup.IsDualProgram()) { - const ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET); + const ShaderIR program_ir_b(setup.program.code_b, PROGRAM_OFFSET, setup.program.size_b); ProgramResult program_b = Decompile(device, program_ir_b, Maxwell3D::Regs::ShaderStage::Vertex, "vertex_b"); @@ -80,7 +80,7 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform gs_config { }; )"; - const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET); + const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a); ProgramResult program = Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Geometry, "geometry"); out += program.first; @@ -115,7 +115,7 @@ layout (std140, binding = EMULATION_UBO_BINDING) uniform fs_config { }; )"; - const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET); + const ShaderIR program_ir(setup.program.code, PROGRAM_OFFSET, setup.program.size_a); ProgramResult program = Decompile(device, program_ir, Maxwell3D::Regs::ShaderStage::Fragment, "fragment"); diff --git a/src/video_core/renderer_opengl/gl_shader_gen.h b/src/video_core/renderer_opengl/gl_shader_gen.h index 0536c8a03..7cbc590f8 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.h +++ b/src/video_core/renderer_opengl/gl_shader_gen.h @@ -27,6 +27,8 @@ struct ShaderSetup { ProgramCode code; ProgramCode code_b; // Used for dual vertex shaders u64 unique_identifier; + std::size_t size_a; + std::size_t size_b; } program; /// Used in scenarios where we have a dual vertex shaders diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index d86e137ac..0eae98afe 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -6,8 +6,11 @@ #include <glad/glad.h> #include "common/assert.h" #include "common/logging/log.h" +#include "common/microprofile.h" #include "video_core/renderer_opengl/gl_state.h" +MICROPROFILE_DEFINE(OpenGL_State, "OpenGL", "State Change", MP_RGB(192, 128, 128)); + namespace OpenGL { using Maxwell = Tegra::Engines::Maxwell3D::Regs; @@ -524,6 +527,7 @@ void OpenGLState::ApplySamplers() const { } void OpenGLState::Apply() const { + MICROPROFILE_SCOPE(OpenGL_State); ApplyFramebufferState(); ApplyVertexArrayState(); ApplyShaderProgram(); diff --git a/src/video_core/renderer_opengl/gl_texture_cache.cpp b/src/video_core/renderer_opengl/gl_texture_cache.cpp index 08ae1a429..b1f6bc7c2 100644 --- a/src/video_core/renderer_opengl/gl_texture_cache.cpp +++ b/src/video_core/renderer_opengl/gl_texture_cache.cpp @@ -31,6 +31,8 @@ using VideoCore::Surface::SurfaceType; MICROPROFILE_DEFINE(OpenGL_Texture_Upload, "OpenGL", "Texture Upload", MP_RGB(128, 192, 128)); MICROPROFILE_DEFINE(OpenGL_Texture_Download, "OpenGL", "Texture Download", MP_RGB(128, 192, 128)); +MICROPROFILE_DEFINE(OpenGL_Texture_Buffer_Copy, "OpenGL", "Texture Buffer Copy", + MP_RGB(128, 192, 128)); namespace { @@ -535,6 +537,7 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view, } void TextureCacheOpenGL::BufferCopy(Surface& src_surface, Surface& dst_surface) { + MICROPROFILE_SCOPE(OpenGL_Texture_Buffer_Copy); const auto& src_params = src_surface->GetSurfaceParams(); const auto& dst_params = dst_surface->GetSurfaceParams(); UNIMPLEMENTED_IF(src_params.num_levels > 1 || dst_params.num_levels > 1); diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp index b142521ec..9ecdddb0d 100644 --- a/src/video_core/renderer_opengl/renderer_opengl.cpp +++ b/src/video_core/renderer_opengl/renderer_opengl.cpp @@ -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); } diff --git a/src/video_core/renderer_opengl/utils.cpp b/src/video_core/renderer_opengl/utils.cpp index 68c36988d..c504a2c1a 100644 --- a/src/video_core/renderer_opengl/utils.cpp +++ b/src/video_core/renderer_opengl/utils.cpp @@ -13,29 +13,67 @@ namespace OpenGL { +VertexArrayPushBuffer::VertexArrayPushBuffer() = default; + +VertexArrayPushBuffer::~VertexArrayPushBuffer() = default; + +void VertexArrayPushBuffer::Setup(GLuint vao_) { + vao = vao_; + index_buffer = nullptr; + vertex_buffers.clear(); +} + +void VertexArrayPushBuffer::SetIndexBuffer(const GLuint* buffer) { + index_buffer = buffer; +} + +void VertexArrayPushBuffer::SetVertexBuffer(GLuint binding_index, const GLuint* buffer, + GLintptr offset, GLsizei stride) { + vertex_buffers.push_back(Entry{binding_index, buffer, offset, stride}); +} + +void VertexArrayPushBuffer::Bind() { + if (index_buffer) { + glVertexArrayElementBuffer(vao, *index_buffer); + } + + // TODO(Rodrigo): Find a way to ARB_multi_bind this + for (const auto& entry : vertex_buffers) { + glVertexArrayVertexBuffer(vao, entry.binding_index, *entry.buffer, entry.offset, + entry.stride); + } +} + BindBuffersRangePushBuffer::BindBuffersRangePushBuffer(GLenum target) : target{target} {} 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()); } diff --git a/src/video_core/renderer_opengl/utils.h b/src/video_core/renderer_opengl/utils.h index 4a752f3b4..6c2b45546 100644 --- a/src/video_core/renderer_opengl/utils.h +++ b/src/video_core/renderer_opengl/utils.h @@ -11,20 +11,49 @@ namespace OpenGL { -class BindBuffersRangePushBuffer { +class VertexArrayPushBuffer final { public: - BindBuffersRangePushBuffer(GLenum target); + explicit VertexArrayPushBuffer(); + ~VertexArrayPushBuffer(); + + void Setup(GLuint vao_); + + void SetIndexBuffer(const GLuint* buffer); + + void SetVertexBuffer(GLuint binding_index, const GLuint* buffer, GLintptr offset, + GLsizei stride); + + void Bind(); + +private: + struct Entry { + GLuint binding_index{}; + const GLuint* buffer{}; + GLintptr offset{}; + GLsizei stride{}; + }; + + GLuint vao{}; + const GLuint* index_buffer{}; + std::vector<Entry> vertex_buffers; +}; + +class BindBuffersRangePushBuffer final { +public: + 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; diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp index 02a9f5ecb..d2e9f4031 100644 --- a/src/video_core/renderer_vulkan/vk_buffer_cache.cpp +++ b/src/video_core/renderer_vulkan/vk_buffer_cache.cpp @@ -109,8 +109,8 @@ void VKBufferCache::Reserve(std::size_t max_size) { } } -VKExecutionContext VKBufferCache::Send(VKExecutionContext exctx) { - return stream_buffer->Send(exctx, buffer_offset - buffer_offset_base); +void VKBufferCache::Send() { + stream_buffer->Send(buffer_offset - buffer_offset_base); } void VKBufferCache::AlignBuffer(std::size_t alignment) { diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h index 3edf460df..49f13bcdc 100644 --- a/src/video_core/renderer_vulkan/vk_buffer_cache.h +++ b/src/video_core/renderer_vulkan/vk_buffer_cache.h @@ -77,7 +77,7 @@ public: void Reserve(std::size_t max_size); /// Ensures that the set data is sent to the device. - [[nodiscard]] VKExecutionContext Send(VKExecutionContext exctx); + void Send(); /// Returns the buffer cache handle. vk::Buffer GetBuffer() const { diff --git a/src/video_core/renderer_vulkan/vk_sampler_cache.h b/src/video_core/renderer_vulkan/vk_sampler_cache.h index 771b05c73..1f73b716b 100644 --- a/src/video_core/renderer_vulkan/vk_sampler_cache.h +++ b/src/video_core/renderer_vulkan/vk_sampler_cache.h @@ -4,9 +4,6 @@ #pragma once -#include <unordered_map> - -#include "common/common_types.h" #include "video_core/renderer_vulkan/declarations.h" #include "video_core/sampler_cache.h" #include "video_core/textures/texture.h" @@ -21,9 +18,9 @@ public: ~VKSamplerCache(); protected: - UniqueSampler CreateSampler(const Tegra::Texture::TSCEntry& tsc) const; + UniqueSampler CreateSampler(const Tegra::Texture::TSCEntry& tsc) const override; - vk::Sampler ToSamplerType(const UniqueSampler& sampler) const; + vk::Sampler ToSamplerType(const UniqueSampler& sampler) const override; private: const VKDevice& device; diff --git a/src/video_core/renderer_vulkan/vk_scheduler.cpp b/src/video_core/renderer_vulkan/vk_scheduler.cpp index f1fea1871..0f8116458 100644 --- a/src/video_core/renderer_vulkan/vk_scheduler.cpp +++ b/src/video_core/renderer_vulkan/vk_scheduler.cpp @@ -19,23 +19,19 @@ VKScheduler::VKScheduler(const VKDevice& device, VKResourceManager& resource_man VKScheduler::~VKScheduler() = default; -VKExecutionContext VKScheduler::GetExecutionContext() const { - return VKExecutionContext(current_fence, current_cmdbuf); -} - -VKExecutionContext VKScheduler::Flush(vk::Semaphore semaphore) { +void VKScheduler::Flush(bool release_fence, vk::Semaphore semaphore) { SubmitExecution(semaphore); - current_fence->Release(); + if (release_fence) + current_fence->Release(); AllocateNewContext(); - return GetExecutionContext(); } -VKExecutionContext VKScheduler::Finish(vk::Semaphore semaphore) { +void VKScheduler::Finish(bool release_fence, vk::Semaphore semaphore) { SubmitExecution(semaphore); current_fence->Wait(); - current_fence->Release(); + if (release_fence) + current_fence->Release(); AllocateNewContext(); - return GetExecutionContext(); } void VKScheduler::SubmitExecution(vk::Semaphore semaphore) { diff --git a/src/video_core/renderer_vulkan/vk_scheduler.h b/src/video_core/renderer_vulkan/vk_scheduler.h index cfaf5376f..0e5b49c7f 100644 --- a/src/video_core/renderer_vulkan/vk_scheduler.h +++ b/src/video_core/renderer_vulkan/vk_scheduler.h @@ -10,10 +10,43 @@ namespace Vulkan { class VKDevice; -class VKExecutionContext; class VKFence; class VKResourceManager; +class VKFenceView { +public: + VKFenceView() = default; + VKFenceView(VKFence* const& fence) : fence{fence} {} + + VKFence* operator->() const noexcept { + return fence; + } + + operator VKFence&() const noexcept { + return *fence; + } + +private: + VKFence* const& fence; +}; + +class VKCommandBufferView { +public: + VKCommandBufferView() = default; + VKCommandBufferView(const vk::CommandBuffer& cmdbuf) : cmdbuf{cmdbuf} {} + + const vk::CommandBuffer* operator->() const noexcept { + return &cmdbuf; + } + + operator vk::CommandBuffer() const noexcept { + return cmdbuf; + } + +private: + const vk::CommandBuffer& cmdbuf; +}; + /// The scheduler abstracts command buffer and fence management with an interface that's able to do /// OpenGL-like operations on Vulkan command buffers. class VKScheduler { @@ -21,16 +54,21 @@ public: explicit VKScheduler(const VKDevice& device, VKResourceManager& resource_manager); ~VKScheduler(); - /// Gets the current execution context. - [[nodiscard]] VKExecutionContext GetExecutionContext() const; + /// Gets a reference to the current fence. + VKFenceView GetFence() const { + return current_fence; + } + + /// Gets a reference to the current command buffer. + VKCommandBufferView GetCommandBuffer() const { + return current_cmdbuf; + } - /// Sends the current execution context to the GPU. It invalidates the current execution context - /// and returns a new one. - VKExecutionContext Flush(vk::Semaphore semaphore = nullptr); + /// Sends the current execution context to the GPU. + void Flush(bool release_fence = true, vk::Semaphore semaphore = nullptr); - /// Sends the current execution context to the GPU and waits for it to complete. It invalidates - /// the current execution context and returns a new one. - VKExecutionContext Finish(vk::Semaphore semaphore = nullptr); + /// Sends the current execution context to the GPU and waits for it to complete. + void Finish(bool release_fence = true, vk::Semaphore semaphore = nullptr); private: void SubmitExecution(vk::Semaphore semaphore); @@ -44,26 +82,4 @@ private: VKFence* next_fence = nullptr; }; -class VKExecutionContext { - friend class VKScheduler; - -public: - VKExecutionContext() = default; - - VKFence& GetFence() const { - return *fence; - } - - vk::CommandBuffer GetCommandBuffer() const { - return cmdbuf; - } - -private: - explicit VKExecutionContext(VKFence* fence, vk::CommandBuffer cmdbuf) - : fence{fence}, cmdbuf{cmdbuf} {} - - VKFence* fence{}; - vk::CommandBuffer cmdbuf; -}; - } // namespace Vulkan diff --git a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp index 6071c6d99..9b2d8e987 100644 --- a/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp +++ b/src/video_core/renderer_vulkan/vk_shader_decompiler.cpp @@ -947,6 +947,14 @@ private: return {}; } + Id BranchIndirect(Operation operation) { + const Id op_a = VisitOperand<Type::Uint>(operation, 0); + + Emit(OpStore(jmp_to, op_a)); + BranchingOp([&]() { Emit(OpBranch(continue_label)); }); + return {}; + } + Id PushFlowStack(Operation operation) { const auto target = std::get_if<ImmediateNode>(&*operation[0]); ASSERT(target); @@ -1332,6 +1340,7 @@ private: &SPIRVDecompiler::ImageStore, &SPIRVDecompiler::Branch, + &SPIRVDecompiler::BranchIndirect, &SPIRVDecompiler::PushFlowStack, &SPIRVDecompiler::PopFlowStack, &SPIRVDecompiler::Exit, diff --git a/src/video_core/renderer_vulkan/vk_stream_buffer.cpp b/src/video_core/renderer_vulkan/vk_stream_buffer.cpp index 58ffa42f2..62f1427f5 100644 --- a/src/video_core/renderer_vulkan/vk_stream_buffer.cpp +++ b/src/video_core/renderer_vulkan/vk_stream_buffer.cpp @@ -46,12 +46,12 @@ std::tuple<u8*, u64, bool> VKStreamBuffer::Reserve(u64 size) { return {mapped_pointer + offset, offset, invalidation_mark.has_value()}; } -VKExecutionContext VKStreamBuffer::Send(VKExecutionContext exctx, u64 size) { +void VKStreamBuffer::Send(u64 size) { ASSERT_MSG(size <= mapped_size, "Reserved size is too small"); if (invalidation_mark) { // TODO(Rodrigo): Find a better way to invalidate than waiting for all watches to finish. - exctx = scheduler.Flush(); + scheduler.Flush(); std::for_each(watches.begin(), watches.begin() + *invalidation_mark, [&](auto& resource) { resource->Wait(); }); invalidation_mark = std::nullopt; @@ -62,11 +62,9 @@ VKExecutionContext VKStreamBuffer::Send(VKExecutionContext exctx, u64 size) { ReserveWatches(WATCHES_RESERVE_CHUNK); } // Add a watch for this allocation. - watches[used_watches++]->Watch(exctx.GetFence()); + watches[used_watches++]->Watch(scheduler.GetFence()); offset += size; - - return exctx; } void VKStreamBuffer::CreateBuffers(VKMemoryManager& memory_manager, vk::BufferUsageFlags usage) { diff --git a/src/video_core/renderer_vulkan/vk_stream_buffer.h b/src/video_core/renderer_vulkan/vk_stream_buffer.h index 69d036ccd..842e54162 100644 --- a/src/video_core/renderer_vulkan/vk_stream_buffer.h +++ b/src/video_core/renderer_vulkan/vk_stream_buffer.h @@ -37,7 +37,7 @@ public: std::tuple<u8*, u64, bool> Reserve(u64 size); /// Ensures that "size" bytes of memory are available to the GPU, potentially recording a copy. - [[nodiscard]] VKExecutionContext Send(VKExecutionContext exctx, u64 size); + void Send(u64 size); vk::Buffer GetBuffer() const { return *buffer; diff --git a/src/video_core/shader/control_flow.cpp b/src/video_core/shader/control_flow.cpp new file mode 100644 index 000000000..fdcc970ff --- /dev/null +++ b/src/video_core/shader/control_flow.cpp @@ -0,0 +1,476 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <list> +#include <map> +#include <stack> +#include <unordered_map> +#include <unordered_set> +#include <vector> + +#include "common/assert.h" +#include "common/common_types.h" +#include "video_core/shader/control_flow.h" +#include "video_core/shader/shader_ir.h" + +namespace VideoCommon::Shader { + +using Tegra::Shader::Instruction; +using Tegra::Shader::OpCode; + +constexpr s32 unassigned_branch = -2; + +struct Query { + u32 address{}; + std::stack<u32> ssy_stack{}; + std::stack<u32> pbk_stack{}; +}; + +struct BlockStack { + BlockStack() = default; + BlockStack(const BlockStack& b) = default; + BlockStack(const Query& q) : ssy_stack{q.ssy_stack}, pbk_stack{q.pbk_stack} {} + std::stack<u32> ssy_stack{}; + std::stack<u32> pbk_stack{}; +}; + +struct BlockBranchInfo { + Condition condition{}; + s32 address{exit_branch}; + bool kill{}; + bool is_sync{}; + bool is_brk{}; + bool ignore{}; +}; + +struct BlockInfo { + u32 start{}; + u32 end{}; + bool visited{}; + BlockBranchInfo branch{}; + + bool IsInside(const u32 address) const { + return start <= address && address <= end; + } +}; + +struct CFGRebuildState { + explicit CFGRebuildState(const ProgramCode& program_code, const std::size_t program_size, + const u32 start) + : program_code{program_code}, program_size{program_size}, start{start} {} + + u32 start{}; + std::vector<BlockInfo> block_info{}; + std::list<u32> inspect_queries{}; + std::list<Query> queries{}; + std::unordered_map<u32, u32> registered{}; + std::unordered_set<u32> labels{}; + std::map<u32, u32> ssy_labels{}; + std::map<u32, u32> pbk_labels{}; + std::unordered_map<u32, BlockStack> stacks{}; + const ProgramCode& program_code; + const std::size_t program_size; +}; + +enum class BlockCollision : u32 { None, Found, Inside }; + +std::pair<BlockCollision, u32> TryGetBlock(CFGRebuildState& state, u32 address) { + const auto& blocks = state.block_info; + for (u32 index = 0; index < blocks.size(); index++) { + if (blocks[index].start == address) { + return {BlockCollision::Found, index}; + } + if (blocks[index].IsInside(address)) { + return {BlockCollision::Inside, index}; + } + } + return {BlockCollision::None, -1}; +} + +struct ParseInfo { + BlockBranchInfo branch_info{}; + u32 end_address{}; +}; + +BlockInfo& CreateBlockInfo(CFGRebuildState& state, u32 start, u32 end) { + auto& it = state.block_info.emplace_back(); + it.start = start; + it.end = end; + const u32 index = static_cast<u32>(state.block_info.size() - 1); + state.registered.insert({start, index}); + return it; +} + +Pred GetPredicate(u32 index, bool negated) { + return static_cast<Pred>(index + (negated ? 8 : 0)); +} + +/** + * Returns whether the instruction at the specified offset is a 'sched' instruction. + * Sched instructions always appear before a sequence of 3 instructions. + */ +constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) { + constexpr u32 SchedPeriod = 4; + u32 absolute_offset = offset - main_offset; + + return (absolute_offset % SchedPeriod) == 0; +} + +enum class ParseResult : u32 { + ControlCaught, + BlockEnd, + AbnormalFlow, +}; + +std::pair<ParseResult, ParseInfo> ParseCode(CFGRebuildState& state, u32 address) { + u32 offset = static_cast<u32>(address); + const u32 end_address = static_cast<u32>(state.program_size / sizeof(Instruction)); + ParseInfo parse_info{}; + + const auto insert_label = [](CFGRebuildState& state, u32 address) { + const auto pair = state.labels.emplace(address); + if (pair.second) { + state.inspect_queries.push_back(address); + } + }; + + while (true) { + if (offset >= end_address) { + // ASSERT_OR_EXECUTE can't be used, as it ignores the break + ASSERT_MSG(false, "Shader passed the current limit!"); + parse_info.branch_info.address = exit_branch; + parse_info.branch_info.ignore = false; + break; + } + if (state.registered.count(offset) != 0) { + parse_info.branch_info.address = offset; + parse_info.branch_info.ignore = true; + break; + } + if (IsSchedInstruction(offset, state.start)) { + offset++; + continue; + } + const Instruction instr = {state.program_code[offset]}; + const auto opcode = OpCode::Decode(instr); + if (!opcode || opcode->get().GetType() != OpCode::Type::Flow) { + offset++; + continue; + } + + switch (opcode->get().GetId()) { + case OpCode::Id::EXIT: { + const auto pred_index = static_cast<u32>(instr.pred.pred_index); + parse_info.branch_info.condition.predicate = + GetPredicate(pred_index, instr.negate_pred != 0); + if (parse_info.branch_info.condition.predicate == Pred::NeverExecute) { + offset++; + continue; + } + const ConditionCode cc = instr.flow_condition_code; + parse_info.branch_info.condition.cc = cc; + if (cc == ConditionCode::F) { + offset++; + continue; + } + parse_info.branch_info.address = exit_branch; + parse_info.branch_info.kill = false; + parse_info.branch_info.is_sync = false; + parse_info.branch_info.is_brk = false; + parse_info.branch_info.ignore = false; + parse_info.end_address = offset; + + return {ParseResult::ControlCaught, parse_info}; + } + case OpCode::Id::BRA: { + if (instr.bra.constant_buffer != 0) { + return {ParseResult::AbnormalFlow, parse_info}; + } + const auto pred_index = static_cast<u32>(instr.pred.pred_index); + parse_info.branch_info.condition.predicate = + GetPredicate(pred_index, instr.negate_pred != 0); + if (parse_info.branch_info.condition.predicate == Pred::NeverExecute) { + offset++; + continue; + } + const ConditionCode cc = instr.flow_condition_code; + parse_info.branch_info.condition.cc = cc; + if (cc == ConditionCode::F) { + offset++; + continue; + } + const u32 branch_offset = offset + instr.bra.GetBranchTarget(); + if (branch_offset == 0) { + parse_info.branch_info.address = exit_branch; + } else { + parse_info.branch_info.address = branch_offset; + } + insert_label(state, branch_offset); + parse_info.branch_info.kill = false; + parse_info.branch_info.is_sync = false; + parse_info.branch_info.is_brk = false; + parse_info.branch_info.ignore = false; + parse_info.end_address = offset; + + return {ParseResult::ControlCaught, parse_info}; + } + case OpCode::Id::SYNC: { + const auto pred_index = static_cast<u32>(instr.pred.pred_index); + parse_info.branch_info.condition.predicate = + GetPredicate(pred_index, instr.negate_pred != 0); + if (parse_info.branch_info.condition.predicate == Pred::NeverExecute) { + offset++; + continue; + } + const ConditionCode cc = instr.flow_condition_code; + parse_info.branch_info.condition.cc = cc; + if (cc == ConditionCode::F) { + offset++; + continue; + } + parse_info.branch_info.address = unassigned_branch; + parse_info.branch_info.kill = false; + parse_info.branch_info.is_sync = true; + parse_info.branch_info.is_brk = false; + parse_info.branch_info.ignore = false; + parse_info.end_address = offset; + + return {ParseResult::ControlCaught, parse_info}; + } + case OpCode::Id::BRK: { + const auto pred_index = static_cast<u32>(instr.pred.pred_index); + parse_info.branch_info.condition.predicate = + GetPredicate(pred_index, instr.negate_pred != 0); + if (parse_info.branch_info.condition.predicate == Pred::NeverExecute) { + offset++; + continue; + } + const ConditionCode cc = instr.flow_condition_code; + parse_info.branch_info.condition.cc = cc; + if (cc == ConditionCode::F) { + offset++; + continue; + } + parse_info.branch_info.address = unassigned_branch; + parse_info.branch_info.kill = false; + parse_info.branch_info.is_sync = false; + parse_info.branch_info.is_brk = true; + parse_info.branch_info.ignore = false; + parse_info.end_address = offset; + + return {ParseResult::ControlCaught, parse_info}; + } + case OpCode::Id::KIL: { + const auto pred_index = static_cast<u32>(instr.pred.pred_index); + parse_info.branch_info.condition.predicate = + GetPredicate(pred_index, instr.negate_pred != 0); + if (parse_info.branch_info.condition.predicate == Pred::NeverExecute) { + offset++; + continue; + } + const ConditionCode cc = instr.flow_condition_code; + parse_info.branch_info.condition.cc = cc; + if (cc == ConditionCode::F) { + offset++; + continue; + } + parse_info.branch_info.address = exit_branch; + parse_info.branch_info.kill = true; + parse_info.branch_info.is_sync = false; + parse_info.branch_info.is_brk = false; + parse_info.branch_info.ignore = false; + parse_info.end_address = offset; + + return {ParseResult::ControlCaught, parse_info}; + } + case OpCode::Id::SSY: { + const u32 target = offset + instr.bra.GetBranchTarget(); + insert_label(state, target); + state.ssy_labels.emplace(offset, target); + break; + } + case OpCode::Id::PBK: { + const u32 target = offset + instr.bra.GetBranchTarget(); + insert_label(state, target); + state.pbk_labels.emplace(offset, target); + break; + } + case OpCode::Id::BRX: { + return {ParseResult::AbnormalFlow, parse_info}; + } + default: + break; + } + + offset++; + } + parse_info.branch_info.kill = false; + parse_info.branch_info.is_sync = false; + parse_info.branch_info.is_brk = false; + parse_info.end_address = offset - 1; + return {ParseResult::BlockEnd, parse_info}; +} + +bool TryInspectAddress(CFGRebuildState& state) { + if (state.inspect_queries.empty()) { + return false; + } + + const u32 address = state.inspect_queries.front(); + state.inspect_queries.pop_front(); + const auto [result, block_index] = TryGetBlock(state, address); + switch (result) { + case BlockCollision::Found: { + return true; + } + case BlockCollision::Inside: { + // This case is the tricky one: + // We need to Split the block in 2 sepparate blocks + const u32 end = state.block_info[block_index].end; + BlockInfo& new_block = CreateBlockInfo(state, address, end); + BlockInfo& current_block = state.block_info[block_index]; + current_block.end = address - 1; + new_block.branch = current_block.branch; + BlockBranchInfo forward_branch{}; + forward_branch.address = address; + forward_branch.ignore = true; + current_block.branch = forward_branch; + return true; + } + default: + break; + } + const auto [parse_result, parse_info] = ParseCode(state, address); + if (parse_result == ParseResult::AbnormalFlow) { + // if it's AbnormalFlow, we end it as false, ending the CFG reconstruction + return false; + } + + BlockInfo& block_info = CreateBlockInfo(state, address, parse_info.end_address); + block_info.branch = parse_info.branch_info; + if (parse_info.branch_info.condition.IsUnconditional()) { + return true; + } + + const u32 fallthrough_address = parse_info.end_address + 1; + state.inspect_queries.push_front(fallthrough_address); + return true; +} + +bool TryQuery(CFGRebuildState& state) { + const auto gather_labels = [](std::stack<u32>& cc, std::map<u32, u32>& labels, + BlockInfo& block) { + auto gather_start = labels.lower_bound(block.start); + const auto gather_end = labels.upper_bound(block.end); + while (gather_start != gather_end) { + cc.push(gather_start->second); + gather_start++; + } + }; + if (state.queries.empty()) { + return false; + } + Query& q = state.queries.front(); + const u32 block_index = state.registered[q.address]; + BlockInfo& block = state.block_info[block_index]; + // If the block is visted, check if the stacks match, else gather the ssy/pbk + // labels into the current stack and look if the branch at the end of the block + // consumes a label. Schedule new queries accordingly + if (block.visited) { + BlockStack& stack = state.stacks[q.address]; + const bool all_okay = (stack.ssy_stack.size() == 0 || q.ssy_stack == stack.ssy_stack) && + (stack.pbk_stack.size() == 0 || q.pbk_stack == stack.pbk_stack); + state.queries.pop_front(); + return all_okay; + } + block.visited = true; + state.stacks[q.address] = BlockStack{q}; + Query q2(q); + state.queries.pop_front(); + gather_labels(q2.ssy_stack, state.ssy_labels, block); + gather_labels(q2.pbk_stack, state.pbk_labels, block); + if (!block.branch.condition.IsUnconditional()) { + q2.address = block.end + 1; + state.queries.push_back(q2); + } + Query conditional_query{q2}; + if (block.branch.is_sync) { + if (block.branch.address == unassigned_branch) { + block.branch.address = conditional_query.ssy_stack.top(); + } + conditional_query.ssy_stack.pop(); + } + if (block.branch.is_brk) { + if (block.branch.address == unassigned_branch) { + block.branch.address = conditional_query.pbk_stack.top(); + } + conditional_query.pbk_stack.pop(); + } + conditional_query.address = block.branch.address; + state.queries.push_back(conditional_query); + return true; +} + +std::optional<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code, u32 program_size, + u32 start_address) { + CFGRebuildState state{program_code, program_size, start_address}; + // Inspect Code and generate blocks + state.labels.clear(); + state.labels.emplace(start_address); + state.inspect_queries.push_back(state.start); + while (!state.inspect_queries.empty()) { + if (!TryInspectAddress(state)) { + return {}; + } + } + // Decompile Stacks + Query start_query{}; + start_query.address = state.start; + state.queries.push_back(start_query); + bool decompiled = true; + while (!state.queries.empty()) { + if (!TryQuery(state)) { + decompiled = false; + break; + } + } + // Sort and organize results + std::sort(state.block_info.begin(), state.block_info.end(), + [](const BlockInfo& a, const BlockInfo& b) -> bool { return a.start < b.start; }); + ShaderCharacteristics result_out{}; + result_out.decompilable = decompiled; + result_out.start = start_address; + result_out.end = start_address; + for (auto& block : state.block_info) { + ShaderBlock new_block{}; + new_block.start = block.start; + new_block.end = block.end; + new_block.ignore_branch = block.branch.ignore; + if (!new_block.ignore_branch) { + new_block.branch.cond = block.branch.condition; + new_block.branch.kills = block.branch.kill; + new_block.branch.address = block.branch.address; + } + result_out.end = std::max(result_out.end, block.end); + result_out.blocks.push_back(new_block); + } + if (result_out.decompilable) { + result_out.labels = std::move(state.labels); + return {result_out}; + } + // If it's not decompilable, merge the unlabelled blocks together + auto back = result_out.blocks.begin(); + auto next = std::next(back); + while (next != result_out.blocks.end()) { + if (state.labels.count(next->start) == 0 && next->start == back->end + 1) { + back->end = next->end; + next = result_out.blocks.erase(next); + continue; + } + back = next; + next++; + } + return {result_out}; +} +} // namespace VideoCommon::Shader diff --git a/src/video_core/shader/control_flow.h b/src/video_core/shader/control_flow.h new file mode 100644 index 000000000..5e8ea3271 --- /dev/null +++ b/src/video_core/shader/control_flow.h @@ -0,0 +1,63 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <cstring> +#include <list> +#include <optional> +#include <unordered_set> + +#include "video_core/engines/shader_bytecode.h" +#include "video_core/shader/shader_ir.h" + +namespace VideoCommon::Shader { + +using Tegra::Shader::ConditionCode; +using Tegra::Shader::Pred; + +constexpr s32 exit_branch = -1; + +struct Condition { + Pred predicate{Pred::UnusedIndex}; + ConditionCode cc{ConditionCode::T}; + + bool IsUnconditional() const { + return predicate == Pred::UnusedIndex && cc == ConditionCode::T; + } + bool operator==(const Condition& other) const { + return std::tie(predicate, cc) == std::tie(other.predicate, other.cc); + } +}; + +struct ShaderBlock { + u32 start{}; + u32 end{}; + bool ignore_branch{}; + struct Branch { + Condition cond{}; + bool kills{}; + s32 address{}; + bool operator==(const Branch& b) const { + return std::tie(cond, kills, address) == std::tie(b.cond, b.kills, b.address); + } + } branch{}; + bool operator==(const ShaderBlock& sb) const { + return std::tie(start, end, ignore_branch, branch) == + std::tie(sb.start, sb.end, sb.ignore_branch, sb.branch); + } +}; + +struct ShaderCharacteristics { + std::list<ShaderBlock> blocks{}; + bool decompilable{}; + u32 start{}; + u32 end{}; + std::unordered_set<u32> labels{}; +}; + +std::optional<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code, u32 program_size, + u32 start_address); + +} // namespace VideoCommon::Shader diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp index 2c9ff28f2..29c8895c5 100644 --- a/src/video_core/shader/decode.cpp +++ b/src/video_core/shader/decode.cpp @@ -11,6 +11,7 @@ #include "common/common_types.h" #include "video_core/engines/shader_bytecode.h" #include "video_core/engines/shader_header.h" +#include "video_core/shader/control_flow.h" #include "video_core/shader/node_helper.h" #include "video_core/shader/shader_ir.h" @@ -21,20 +22,6 @@ using Tegra::Shader::OpCode; namespace { -/// Merges exit method of two parallel branches. -constexpr ExitMethod ParallelExit(ExitMethod a, ExitMethod b) { - if (a == ExitMethod::Undetermined) { - return b; - } - if (b == ExitMethod::Undetermined) { - return a; - } - if (a == b) { - return a; - } - return ExitMethod::Conditional; -} - /** * Returns whether the instruction at the specified offset is a 'sched' instruction. * Sched instructions always appear before a sequence of 3 instructions. @@ -51,85 +38,104 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) { void ShaderIR::Decode() { std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header)); - std::set<u32> labels; - const ExitMethod exit_method = Scan(main_offset, MAX_PROGRAM_LENGTH, labels); - if (exit_method != ExitMethod::AlwaysEnd) { - UNREACHABLE_MSG("Program does not always end"); - } - - if (labels.empty()) { - basic_blocks.insert({main_offset, DecodeRange(main_offset, MAX_PROGRAM_LENGTH)}); + disable_flow_stack = false; + const auto info = ScanFlow(program_code, program_size, main_offset); + if (info) { + const auto& shader_info = *info; + coverage_begin = shader_info.start; + coverage_end = shader_info.end; + if (shader_info.decompilable) { + disable_flow_stack = true; + const auto insert_block = ([this](NodeBlock& nodes, u32 label) { + if (label == exit_branch) { + return; + } + basic_blocks.insert({label, nodes}); + }); + const auto& blocks = shader_info.blocks; + NodeBlock current_block; + u32 current_label = exit_branch; + for (auto& block : blocks) { + if (shader_info.labels.count(block.start) != 0) { + insert_block(current_block, current_label); + current_block.clear(); + current_label = block.start; + } + if (!block.ignore_branch) { + DecodeRangeInner(current_block, block.start, block.end); + InsertControlFlow(current_block, block); + } else { + DecodeRangeInner(current_block, block.start, block.end + 1); + } + } + insert_block(current_block, current_label); + return; + } + LOG_WARNING(HW_GPU, "Flow Stack Removing Failed! Falling back to old method"); + // we can't decompile it, fallback to standard method + for (const auto& block : shader_info.blocks) { + basic_blocks.insert({block.start, DecodeRange(block.start, block.end + 1)}); + } return; } + LOG_WARNING(HW_GPU, "Flow Analysis Failed! Falling back to brute force compiling"); + + // Now we need to deal with an undecompilable shader. We need to brute force + // a shader that captures every position. + coverage_begin = main_offset; + const u32 shader_end = static_cast<u32>(program_size / sizeof(u64)); + coverage_end = shader_end; + for (u32 label = main_offset; label < shader_end; label++) { + basic_blocks.insert({label, DecodeRange(label, label + 1)}); + } +} - labels.insert(main_offset); - - for (const u32 label : labels) { - const auto next_it = labels.lower_bound(label + 1); - const u32 next_label = next_it == labels.end() ? MAX_PROGRAM_LENGTH : *next_it; +NodeBlock ShaderIR::DecodeRange(u32 begin, u32 end) { + NodeBlock basic_block; + DecodeRangeInner(basic_block, begin, end); + return basic_block; +} - basic_blocks.insert({label, DecodeRange(label, next_label)}); +void ShaderIR::DecodeRangeInner(NodeBlock& bb, u32 begin, u32 end) { + for (u32 pc = begin; pc < (begin > end ? MAX_PROGRAM_LENGTH : end);) { + pc = DecodeInstr(bb, pc); } } -ExitMethod ShaderIR::Scan(u32 begin, u32 end, std::set<u32>& labels) { - const auto [iter, inserted] = - exit_method_map.emplace(std::make_pair(begin, end), ExitMethod::Undetermined); - ExitMethod& exit_method = iter->second; - if (!inserted) - return exit_method; - - for (u32 offset = begin; offset != end && offset != MAX_PROGRAM_LENGTH; ++offset) { - coverage_begin = std::min(coverage_begin, offset); - coverage_end = std::max(coverage_end, offset + 1); - - const Instruction instr = {program_code[offset]}; - const auto opcode = OpCode::Decode(instr); - if (!opcode) - continue; - switch (opcode->get().GetId()) { - case OpCode::Id::EXIT: { - // The EXIT instruction can be predicated, which means that the shader can conditionally - // end on this instruction. We have to consider the case where the condition is not met - // and check the exit method of that other basic block. - using Tegra::Shader::Pred; - if (instr.pred.pred_index == static_cast<u64>(Pred::UnusedIndex)) { - return exit_method = ExitMethod::AlwaysEnd; - } else { - const ExitMethod not_met = Scan(offset + 1, end, labels); - return exit_method = ParallelExit(ExitMethod::AlwaysEnd, not_met); - } +void ShaderIR::InsertControlFlow(NodeBlock& bb, const ShaderBlock& block) { + const auto apply_conditions = ([&](const Condition& cond, Node n) -> Node { + Node result = n; + if (cond.cc != ConditionCode::T) { + result = Conditional(GetConditionCode(cond.cc), {result}); } - case OpCode::Id::BRA: { - const u32 target = offset + instr.bra.GetBranchTarget(); - labels.insert(target); - const ExitMethod no_jmp = Scan(offset + 1, end, labels); - const ExitMethod jmp = Scan(target, end, labels); - return exit_method = ParallelExit(no_jmp, jmp); - } - case OpCode::Id::SSY: - case OpCode::Id::PBK: { - // The SSY and PBK use a similar encoding as the BRA instruction. - UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0, - "Constant buffer branching is not supported"); - const u32 target = offset + instr.bra.GetBranchTarget(); - labels.insert(target); - // Continue scanning for an exit method. - break; + if (cond.predicate != Pred::UnusedIndex) { + u32 pred = static_cast<u32>(cond.predicate); + const bool is_neg = pred > 7; + if (is_neg) { + pred -= 8; + } + result = Conditional(GetPredicate(pred, is_neg), {result}); } - default: - break; + return result; + }); + if (block.branch.address < 0) { + if (block.branch.kills) { + Node n = Operation(OperationCode::Discard); + n = apply_conditions(block.branch.cond, n); + bb.push_back(n); + global_code.push_back(n); + return; } + Node n = Operation(OperationCode::Exit); + n = apply_conditions(block.branch.cond, n); + bb.push_back(n); + global_code.push_back(n); + return; } - return exit_method = ExitMethod::AlwaysReturn; -} - -NodeBlock ShaderIR::DecodeRange(u32 begin, u32 end) { - NodeBlock basic_block; - for (u32 pc = begin; pc < (begin > end ? MAX_PROGRAM_LENGTH : end);) { - pc = DecodeInstr(basic_block, pc); - } - return basic_block; + Node n = Operation(OperationCode::Branch, Immediate(block.branch.address)); + n = apply_conditions(block.branch.cond, n); + bb.push_back(n); + global_code.push_back(n); } u32 ShaderIR::DecodeInstr(NodeBlock& bb, u32 pc) { @@ -140,15 +146,18 @@ u32 ShaderIR::DecodeInstr(NodeBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; const auto opcode = OpCode::Decode(instr); + const u32 nv_address = ConvertAddressToNvidiaSpace(pc); // Decoding failure if (!opcode) { UNIMPLEMENTED_MSG("Unhandled instruction: {0:x}", instr.value); + bb.push_back(Comment(fmt::format("{:05x} Unimplemented Shader instruction (0x{:016x})", + nv_address, instr.value))); return pc + 1; } - bb.push_back( - Comment(fmt::format("{}: {} (0x{:016x})", pc, opcode->get().GetName(), instr.value))); + bb.push_back(Comment( + fmt::format("{:05x} {} (0x{:016x})", nv_address, opcode->get().GetName(), instr.value))); using Tegra::Shader::Pred; UNIMPLEMENTED_IF_MSG(instr.pred.full_pred == Pred::NeverExecute, diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp index d46a8ab82..42e3de02f 100644 --- a/src/video_core/shader/decode/other.cpp +++ b/src/video_core/shader/decode/other.cpp @@ -91,11 +91,46 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { break; } case OpCode::Id::BRA: { - UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0, - "BRA with constant buffers are not implemented"); + Node branch; + if (instr.bra.constant_buffer == 0) { + const u32 target = pc + instr.bra.GetBranchTarget(); + branch = Operation(OperationCode::Branch, Immediate(target)); + } else { + const u32 target = pc + 1; + const Node op_a = GetConstBuffer(instr.cbuf36.index, instr.cbuf36.GetOffset()); + const Node convert = SignedOperation(OperationCode::IArithmeticShiftRight, true, + PRECISE, op_a, Immediate(3)); + const Node operand = + Operation(OperationCode::IAdd, PRECISE, convert, Immediate(target)); + branch = Operation(OperationCode::BranchIndirect, convert); + } - const u32 target = pc + instr.bra.GetBranchTarget(); - const Node branch = Operation(OperationCode::Branch, Immediate(target)); + const Tegra::Shader::ConditionCode cc = instr.flow_condition_code; + if (cc != Tegra::Shader::ConditionCode::T) { + bb.push_back(Conditional(GetConditionCode(cc), {branch})); + } else { + bb.push_back(branch); + } + break; + } + case OpCode::Id::BRX: { + Node operand; + if (instr.brx.constant_buffer != 0) { + const s32 target = pc + 1; + const Node index = GetRegister(instr.gpr8); + const Node op_a = + GetConstBufferIndirect(instr.cbuf36.index, instr.cbuf36.GetOffset() + 0, index); + const Node convert = SignedOperation(OperationCode::IArithmeticShiftRight, true, + PRECISE, op_a, Immediate(3)); + operand = Operation(OperationCode::IAdd, PRECISE, convert, Immediate(target)); + } else { + const s32 target = pc + instr.brx.GetBranchExtend(); + const Node op_a = GetRegister(instr.gpr8); + const Node convert = SignedOperation(OperationCode::IArithmeticShiftRight, true, + PRECISE, op_a, Immediate(3)); + operand = Operation(OperationCode::IAdd, PRECISE, convert, Immediate(target)); + } + const Node branch = Operation(OperationCode::BranchIndirect, operand); const Tegra::Shader::ConditionCode cc = instr.flow_condition_code; if (cc != Tegra::Shader::ConditionCode::T) { @@ -109,6 +144,10 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0, "Constant buffer flow is not supported"); + if (disable_flow_stack) { + break; + } + // The SSY opcode tells the GPU where to re-converge divergent execution paths with SYNC. const u32 target = pc + instr.bra.GetBranchTarget(); bb.push_back( @@ -119,6 +158,10 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { UNIMPLEMENTED_IF_MSG(instr.bra.constant_buffer != 0, "Constant buffer PBK is not supported"); + if (disable_flow_stack) { + break; + } + // PBK pushes to a stack the address where BRK will jump to. const u32 target = pc + instr.bra.GetBranchTarget(); bb.push_back( @@ -130,6 +173,10 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "SYNC condition code used: {}", static_cast<u32>(cc)); + if (disable_flow_stack) { + break; + } + // The SYNC opcode jumps to the address previously set by the SSY opcode bb.push_back(Operation(OperationCode::PopFlowStack, MetaStackClass::Ssy)); break; @@ -138,6 +185,9 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) { const Tegra::Shader::ConditionCode cc = instr.flow_condition_code; UNIMPLEMENTED_IF_MSG(cc != Tegra::Shader::ConditionCode::T, "BRK condition code used: {}", static_cast<u32>(cc)); + if (disable_flow_stack) { + break; + } // The BRK opcode jumps to the address previously set by the PBK opcode bb.push_back(Operation(OperationCode::PopFlowStack, MetaStackClass::Pbk)); diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp index cb480be9b..323be3f14 100644 --- a/src/video_core/shader/decode/texture.cpp +++ b/src/video_core/shader/decode/texture.cpp @@ -269,7 +269,13 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) { LOG_WARNING(HW_GPU, "TLDS.NODEP implementation is incomplete"); } - WriteTexsInstructionFloat(bb, instr, GetTldsCode(instr, texture_type, is_array)); + const Node4 components = GetTldsCode(instr, texture_type, is_array); + + if (instr.tlds.fp32_flag) { + WriteTexsInstructionFloat(bb, instr, components); + } else { + WriteTexsInstructionHalfFloat(bb, instr, components); + } break; } default: diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h index 0ac83fcf0..7427ed896 100644 --- a/src/video_core/shader/node.h +++ b/src/video_core/shader/node.h @@ -148,11 +148,12 @@ enum class OperationCode { ImageStore, /// (MetaImage, float[N] coords) -> void - Branch, /// (uint branch_target) -> void - PushFlowStack, /// (uint branch_target) -> void - PopFlowStack, /// () -> void - Exit, /// () -> void - Discard, /// () -> void + Branch, /// (uint branch_target) -> void + BranchIndirect, /// (uint branch_target) -> void + PushFlowStack, /// (uint branch_target) -> void + PopFlowStack, /// () -> void + Exit, /// () -> void + Discard, /// () -> void EmitVertex, /// () -> void EndPrimitive, /// () -> void diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp index fd80dd116..caa409788 100644 --- a/src/video_core/shader/shader_ir.cpp +++ b/src/video_core/shader/shader_ir.cpp @@ -22,8 +22,8 @@ using Tegra::Shader::PredCondition; using Tegra::Shader::PredOperation; using Tegra::Shader::Register; -ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset) - : program_code{program_code}, main_offset{main_offset} { +ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset, const std::size_t size) + : program_code{program_code}, main_offset{main_offset}, program_size{size} { Decode(); } diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h index a656761ea..03c888def 100644 --- a/src/video_core/shader/shader_ir.h +++ b/src/video_core/shader/shader_ir.h @@ -22,18 +22,12 @@ namespace VideoCommon::Shader { +struct ShaderBlock; + using ProgramCode = std::vector<u64>; constexpr u32 MAX_PROGRAM_LENGTH = 0x1000; -/// Describes the behaviour of code path of a given entry point and a return point. -enum class ExitMethod { - Undetermined, ///< Internal value. Only occur when analyzing JMP loop. - AlwaysReturn, ///< All code paths reach the return point. - Conditional, ///< Code path reaches the return point or an END instruction conditionally. - AlwaysEnd, ///< All code paths reach a END instruction. -}; - class ConstBuffer { public: explicit ConstBuffer(u32 max_offset, bool is_indirect) @@ -73,7 +67,7 @@ struct GlobalMemoryUsage { class ShaderIR final { public: - explicit ShaderIR(const ProgramCode& program_code, u32 main_offset); + explicit ShaderIR(const ProgramCode& program_code, u32 main_offset, std::size_t size); ~ShaderIR(); const std::map<u32, NodeBlock>& GetBasicBlocks() const { @@ -141,12 +135,20 @@ public: return header; } + bool IsFlowStackDisabled() const { + return disable_flow_stack; + } + + u32 ConvertAddressToNvidiaSpace(const u32 address) const { + return (address - main_offset) * sizeof(Tegra::Shader::Instruction); + } + private: void Decode(); - ExitMethod Scan(u32 begin, u32 end, std::set<u32>& labels); - NodeBlock DecodeRange(u32 begin, u32 end); + void DecodeRangeInner(NodeBlock& bb, u32 begin, u32 end); + void InsertControlFlow(NodeBlock& bb, const ShaderBlock& block); /** * Decodes a single instruction from Tegra to IR. @@ -338,10 +340,11 @@ private: const ProgramCode& program_code; const u32 main_offset; + const std::size_t program_size; + bool disable_flow_stack{}; u32 coverage_begin{}; u32 coverage_end{}; - std::map<std::pair<u32, u32>, ExitMethod> exit_method_map; std::map<u32, NodeBlock> basic_blocks; NodeBlock global_code; diff --git a/src/video_core/texture_cache/surface_base.cpp b/src/video_core/texture_cache/surface_base.cpp index 7a0fdb19b..6af9044ca 100644 --- a/src/video_core/texture_cache/surface_base.cpp +++ b/src/video_core/texture_cache/surface_base.cpp @@ -75,9 +75,12 @@ MatchStructureResult SurfaceBaseImpl::MatchesStructure(const SurfaceParams& rhs) // Linear Surface check if (!params.is_tiled) { - if (std::tie(params.width, params.height, params.pitch) == - std::tie(rhs.width, rhs.height, rhs.pitch)) { - return MatchStructureResult::FullMatch; + if (std::tie(params.height, params.pitch) == std::tie(rhs.height, rhs.pitch)) { + if (params.width == rhs.width) { + return MatchStructureResult::FullMatch; + } else { + return MatchStructureResult::SemiMatch; + } } return MatchStructureResult::None; } diff --git a/src/video_core/texture_cache/surface_base.h b/src/video_core/texture_cache/surface_base.h index 8ba386a8a..bcce8d863 100644 --- a/src/video_core/texture_cache/surface_base.h +++ b/src/video_core/texture_cache/surface_base.h @@ -200,8 +200,9 @@ public: modification_tick = tick; } - void MarkAsRenderTarget(const bool is_target) { + void MarkAsRenderTarget(const bool is_target, const u32 index) { this->is_target = is_target; + this->index = index; } void MarkAsPicked(const bool is_picked) { @@ -221,6 +222,10 @@ public: return is_target; } + u32 GetRenderTarget() const { + return index; + } + bool IsRegistered() const { return is_registered; } @@ -307,10 +312,13 @@ private: return view; } + static constexpr u32 NO_RT = 0xFFFFFFFF; + bool is_modified{}; bool is_target{}; bool is_registered{}; bool is_picked{}; + u32 index{NO_RT}; u64 modification_tick{}; }; diff --git a/src/video_core/texture_cache/surface_params.cpp b/src/video_core/texture_cache/surface_params.cpp index 9c56e2b4f..fd5472451 100644 --- a/src/video_core/texture_cache/surface_params.cpp +++ b/src/video_core/texture_cache/surface_params.cpp @@ -290,12 +290,19 @@ std::size_t SurfaceParams::GetLayerSize(bool as_host_size, bool uncompressed) co std::size_t SurfaceParams::GetInnerMipmapMemorySize(u32 level, bool as_host_size, bool uncompressed) const { - const bool tiled{as_host_size ? false : is_tiled}; const u32 width{GetMipmapSize(uncompressed, GetMipWidth(level), GetDefaultBlockWidth())}; const u32 height{GetMipmapSize(uncompressed, GetMipHeight(level), GetDefaultBlockHeight())}; const u32 depth{is_layered ? 1U : GetMipDepth(level)}; - return Tegra::Texture::CalculateSize(tiled, GetBytesPerPixel(), width, height, depth, - GetMipBlockHeight(level), GetMipBlockDepth(level)); + if (is_tiled) { + return Tegra::Texture::CalculateSize(!as_host_size, GetBytesPerPixel(), width, height, + depth, GetMipBlockHeight(level), + GetMipBlockDepth(level)); + } else if (as_host_size || IsBuffer()) { + return GetBytesPerPixel() * width * height * depth; + } else { + // Linear Texture Case + return pitch * height * depth; + } } bool SurfaceParams::operator==(const SurfaceParams& rhs) const { diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h index c9e72531a..7f9623c62 100644 --- a/src/video_core/texture_cache/texture_cache.h +++ b/src/video_core/texture_cache/texture_cache.h @@ -133,11 +133,11 @@ public: regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)}; auto surface_view = GetSurface(gpu_addr, depth_params, preserve_contents, true); if (depth_buffer.target) - depth_buffer.target->MarkAsRenderTarget(false); + depth_buffer.target->MarkAsRenderTarget(false, NO_RT); depth_buffer.target = surface_view.first; depth_buffer.view = surface_view.second; if (depth_buffer.target) - depth_buffer.target->MarkAsRenderTarget(true); + depth_buffer.target->MarkAsRenderTarget(true, DEPTH_RT); return surface_view.second; } @@ -167,11 +167,11 @@ public: auto surface_view = GetSurface(gpu_addr, SurfaceParams::CreateForFramebuffer(system, index), preserve_contents, true); if (render_targets[index].target) - render_targets[index].target->MarkAsRenderTarget(false); + render_targets[index].target->MarkAsRenderTarget(false, NO_RT); render_targets[index].target = surface_view.first; render_targets[index].view = surface_view.second; if (render_targets[index].target) - render_targets[index].target->MarkAsRenderTarget(true); + render_targets[index].target->MarkAsRenderTarget(true, static_cast<u32>(index)); return surface_view.second; } @@ -191,7 +191,7 @@ public: if (depth_buffer.target == nullptr) { return; } - depth_buffer.target->MarkAsRenderTarget(false); + depth_buffer.target->MarkAsRenderTarget(false, NO_RT); depth_buffer.target = nullptr; depth_buffer.view = nullptr; } @@ -200,7 +200,7 @@ public: if (render_targets[index].target == nullptr) { return; } - render_targets[index].target->MarkAsRenderTarget(false); + render_targets[index].target->MarkAsRenderTarget(false, NO_RT); render_targets[index].target = nullptr; render_targets[index].view = nullptr; } @@ -270,6 +270,16 @@ protected: // and reading it from a sepparate buffer. virtual void BufferCopy(TSurface& src_surface, TSurface& dst_surface) = 0; + void ManageRenderTargetUnregister(TSurface& surface) { + auto& maxwell3d = system.GPU().Maxwell3D(); + const u32 index = surface->GetRenderTarget(); + if (index == DEPTH_RT) { + maxwell3d.dirty_flags.zeta_buffer = true; + } else { + maxwell3d.dirty_flags.color_buffer.set(index, true); + } + } + void Register(TSurface surface) { const GPUVAddr gpu_addr = surface->GetGpuAddr(); const CacheAddr cache_ptr = ToCacheAddr(system.GPU().MemoryManager().GetPointer(gpu_addr)); @@ -294,6 +304,9 @@ protected: if (guard_render_targets && surface->IsProtected()) { return; } + if (!guard_render_targets && surface->IsRenderTarget()) { + ManageRenderTargetUnregister(surface); + } const GPUVAddr gpu_addr = surface->GetGpuAddr(); const CacheAddr cache_ptr = surface->GetCacheAddr(); const std::size_t size = surface->GetSizeInBytes(); @@ -649,15 +662,6 @@ private: } return {current_surface, *view}; } - // The next case is unsafe, so if we r in accurate GPU, just skip it - if (Settings::values.use_accurate_gpu_emulation) { - return RecycleSurface(overlaps, params, gpu_addr, preserve_contents, - MatchTopologyResult::FullMatch); - } - // This is the case the texture is a part of the parent. - if (current_surface->MatchesSubTexture(params, gpu_addr)) { - return RebuildSurface(current_surface, params, is_render); - } } else { // If there are many overlaps, odds are they are subtextures of the candidate // surface. We try to construct a new surface based on the candidate parameters, @@ -793,6 +797,9 @@ private: static constexpr u64 registry_page_size{1 << registry_page_bits}; std::unordered_map<CacheAddr, std::vector<TSurface>> registry; + static constexpr u32 DEPTH_RT = 8; + static constexpr u32 NO_RT = 0xFFFFFFFF; + // The L1 Cache is used for fast texture lookup before checking the overlaps // This avoids calculating size and other stuffs. std::unordered_map<CacheAddr, TSurface> l1_cache; |