diff options
Diffstat (limited to 'src/video_core/texture_cache')
-rw-r--r-- | src/video_core/texture_cache/surface_base.cpp | 118 | ||||
-rw-r--r-- | src/video_core/texture_cache/surface_base.h | 172 | ||||
-rw-r--r-- | src/video_core/texture_cache/surface_params.cpp | 412 | ||||
-rw-r--r-- | src/video_core/texture_cache/surface_params.h | 229 | ||||
-rw-r--r-- | src/video_core/texture_cache/surface_view.cpp | 23 | ||||
-rw-r--r-- | src/video_core/texture_cache/surface_view.h | 35 | ||||
-rw-r--r-- | src/video_core/texture_cache/texture_cache.h | 282 | ||||
-rw-r--r-- | src/video_core/texture_cache/texture_cache_contextless.h | 93 |
8 files changed, 1364 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/surface_base.cpp b/src/video_core/texture_cache/surface_base.cpp new file mode 100644 index 000000000..8680485b4 --- /dev/null +++ b/src/video_core/texture_cache/surface_base.cpp @@ -0,0 +1,118 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" +#include "common/common_types.h" +#include "video_core/morton.h" +#include "video_core/texture_cache/surface_base.h" +#include "video_core/texture_cache/surface_params.h" +#include "video_core/textures/convert.h" + +namespace VideoCommon { + +using Tegra::Texture::ConvertFromGuestToHost; +using VideoCore::MortonSwizzleMode; + +namespace { +void SwizzleFunc(MortonSwizzleMode mode, u8* memory, const SurfaceParams& params, u8* buffer, + u32 level) { + const u32 width{params.GetMipWidth(level)}; + const u32 height{params.GetMipHeight(level)}; + const u32 block_height{params.GetMipBlockHeight(level)}; + const u32 block_depth{params.GetMipBlockDepth(level)}; + + std::size_t guest_offset{params.GetGuestMipmapLevelOffset(level)}; + if (params.IsLayered()) { + std::size_t host_offset{0}; + const std::size_t guest_stride = params.GetGuestLayerSize(); + const std::size_t host_stride = params.GetHostLayerSize(level); + for (u32 layer = 0; layer < params.GetNumLayers(); layer++) { + MortonSwizzle(mode, params.GetPixelFormat(), width, block_height, height, block_depth, + 1, params.GetTileWidthSpacing(), buffer + host_offset, + memory + guest_offset); + guest_offset += guest_stride; + host_offset += host_stride; + } + } else { + MortonSwizzle(mode, params.GetPixelFormat(), width, block_height, height, block_depth, + params.GetMipDepth(level), params.GetTileWidthSpacing(), buffer, + memory + guest_offset); + } +} +} // Anonymous namespace + +SurfaceBaseImpl::SurfaceBaseImpl(const SurfaceParams& params) : params{params} { + staging_buffer.resize(params.GetHostSizeInBytes()); +} + +SurfaceBaseImpl::~SurfaceBaseImpl() = default; + +void SurfaceBaseImpl::LoadBuffer() { + if (params.IsTiled()) { + ASSERT_MSG(params.GetBlockWidth() == 1, "Block width is defined as {} on texture target {}", + params.GetBlockWidth(), static_cast<u32>(params.GetTarget())); + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + u8* const buffer{GetStagingBufferLevelData(level)}; + SwizzleFunc(MortonSwizzleMode::MortonToLinear, host_ptr, params, buffer, level); + } + } else { + ASSERT_MSG(params.GetNumLevels() == 1, "Linear mipmap loading is not implemented"); + const u32 bpp{GetFormatBpp(params.GetPixelFormat()) / CHAR_BIT}; + const u32 block_width{params.GetDefaultBlockWidth()}; + const u32 block_height{params.GetDefaultBlockHeight()}; + const u32 width{(params.GetWidth() + block_width - 1) / block_width}; + const u32 height{(params.GetHeight() + block_height - 1) / block_height}; + const u32 copy_size{width * bpp}; + if (params.GetPitch() == copy_size) { + std::memcpy(staging_buffer.data(), host_ptr, params.GetHostSizeInBytes()); + } else { + const u8* start{host_ptr}; + u8* write_to{staging_buffer.data()}; + for (u32 h = height; h > 0; --h) { + std::memcpy(write_to, start, copy_size); + start += params.GetPitch(); + write_to += copy_size; + } + } + } + + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + ConvertFromGuestToHost(GetStagingBufferLevelData(level), params.GetPixelFormat(), + params.GetMipWidth(level), params.GetMipHeight(level), + params.GetMipDepth(level), true, true); + } +} + +void SurfaceBaseImpl::FlushBuffer() { + if (params.IsTiled()) { + ASSERT_MSG(params.GetBlockWidth() == 1, "Block width is defined as {}", + params.GetBlockWidth()); + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + u8* const buffer = GetStagingBufferLevelData(level); + SwizzleFunc(MortonSwizzleMode::LinearToMorton, GetHostPtr(), params, buffer, level); + } + } else { + UNIMPLEMENTED(); + /* + ASSERT(params.GetTarget() == SurfaceTarget::Texture2D); + ASSERT(params.GetNumLevels() == 1); + + const u32 bpp{params.GetFormatBpp() / 8}; + const u32 copy_size{params.GetWidth() * bpp}; + if (params.GetPitch() == copy_size) { + std::memcpy(host_ptr, staging_buffer.data(), GetSizeInBytes()); + } else { + u8* start{host_ptr}; + const u8* read_to{staging_buffer.data()}; + for (u32 h = params.GetHeight(); h > 0; --h) { + std::memcpy(start, read_to, copy_size); + start += params.GetPitch(); + read_to += copy_size; + } + } + */ + } +} + +} // namespace VideoCommon diff --git a/src/video_core/texture_cache/surface_base.h b/src/video_core/texture_cache/surface_base.h new file mode 100644 index 000000000..d0142a9e6 --- /dev/null +++ b/src/video_core/texture_cache/surface_base.h @@ -0,0 +1,172 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <unordered_map> + +#include "common/assert.h" +#include "common/common_types.h" +#include "video_core/gpu.h" +#include "video_core/texture_cache/surface_params.h" +#include "video_core/texture_cache/surface_view.h" + +namespace VideoCommon { + +class SurfaceBaseImpl { +public: + void LoadBuffer(); + + void FlushBuffer(); + + GPUVAddr GetGpuAddr() const { + ASSERT(is_registered); + return gpu_addr; + } + + VAddr GetCpuAddr() const { + ASSERT(is_registered); + return cpu_addr; + } + + u8* GetHostPtr() const { + ASSERT(is_registered); + return host_ptr; + } + + CacheAddr GetCacheAddr() const { + ASSERT(is_registered); + return cache_addr; + } + + const SurfaceParams& GetSurfaceParams() const { + return params; + } + + void Register(GPUVAddr gpu_addr_, VAddr cpu_addr_, u8* host_ptr_) { + ASSERT(!is_registered); + is_registered = true; + gpu_addr = gpu_addr_; + cpu_addr = cpu_addr_; + host_ptr = host_ptr_; + cache_addr = ToCacheAddr(host_ptr_); + DecorateSurfaceName(); + } + + void Unregister() { + ASSERT(is_registered); + is_registered = false; + } + + bool IsRegistered() const { + return is_registered; + } + + std::size_t GetSizeInBytes() const { + return params.GetGuestSizeInBytes(); + } + + u8* GetStagingBufferLevelData(u32 level) { + return staging_buffer.data() + params.GetHostMipmapLevelOffset(level); + } + +protected: + explicit SurfaceBaseImpl(const SurfaceParams& params); + ~SurfaceBaseImpl(); // non-virtual is intended + + virtual void DecorateSurfaceName() = 0; + + const SurfaceParams params; + +private: + GPUVAddr gpu_addr{}; + VAddr cpu_addr{}; + u8* host_ptr{}; + CacheAddr cache_addr{}; + bool is_registered{}; + + std::vector<u8> staging_buffer; +}; + +template <typename TTextureCache, typename TView, typename TExecutionContext> +class SurfaceBase : public SurfaceBaseImpl { + static_assert(std::is_trivially_copyable_v<TExecutionContext>); + +public: + virtual TExecutionContext UploadTexture(TExecutionContext exctx) = 0; + + virtual TExecutionContext DownloadTexture(TExecutionContext exctx) = 0; + + TView* TryGetView(GPUVAddr view_addr, const SurfaceParams& view_params) { + if (view_addr < GetGpuAddr() || !params.IsFamiliar(view_params)) { + // It can't be a view if it's in a prior address. + return {}; + } + + const auto relative_offset{static_cast<u64>(view_addr - GetGpuAddr())}; + const auto it{view_offset_map.find(relative_offset)}; + if (it == view_offset_map.end()) { + // Couldn't find an aligned view. + return {}; + } + const auto [layer, level] = it->second; + + if (!params.IsViewValid(view_params, layer, level)) { + return {}; + } + + return GetView(layer, view_params.GetNumLayers(), level, view_params.GetNumLevels()); + } + + void MarkAsModified(bool is_modified_) { + is_modified = is_modified_; + if (is_modified_) { + modification_tick = texture_cache.Tick(); + } + } + + TView* GetView(GPUVAddr view_addr, const SurfaceParams& view_params) { + TView* view{TryGetView(view_addr, view_params)}; + ASSERT(view != nullptr); + return view; + } + + bool IsModified() const { + return is_modified; + } + + u64 GetModificationTick() const { + return modification_tick; + } + +protected: + explicit SurfaceBase(TTextureCache& texture_cache, const SurfaceParams& params) + : SurfaceBaseImpl{params}, texture_cache{texture_cache}, + view_offset_map{params.CreateViewOffsetMap()} {} + + ~SurfaceBase() = default; + + virtual std::unique_ptr<TView> CreateView(const ViewKey& view_key) = 0; + +private: + TView* GetView(u32 base_layer, u32 num_layers, u32 base_level, u32 num_levels) { + const ViewKey key{base_layer, num_layers, base_level, num_levels}; + const auto [entry, is_cache_miss] = views.try_emplace(key); + auto& view{entry->second}; + if (is_cache_miss) { + view = CreateView(key); + } + return view.get(); + } + + TTextureCache& texture_cache; + const std::map<u64, std::pair<u32, u32>> view_offset_map; + + std::unordered_map<ViewKey, std::unique_ptr<TView>> views; + + bool is_modified{}; + u64 modification_tick{}; +}; + +} // namespace VideoCommon diff --git a/src/video_core/texture_cache/surface_params.cpp b/src/video_core/texture_cache/surface_params.cpp new file mode 100644 index 000000000..d1f8c53d5 --- /dev/null +++ b/src/video_core/texture_cache/surface_params.cpp @@ -0,0 +1,412 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <map> + +#include "common/cityhash.h" +#include "common/alignment.h" +#include "core/core.h" +#include "video_core/surface.h" +#include "video_core/texture_cache/surface_params.h" +#include "video_core/textures/decoders.h" + +namespace VideoCommon { + +using VideoCore::Surface::ComponentTypeFromDepthFormat; +using VideoCore::Surface::ComponentTypeFromRenderTarget; +using VideoCore::Surface::ComponentTypeFromTexture; +using VideoCore::Surface::PixelFormatFromDepthFormat; +using VideoCore::Surface::PixelFormatFromRenderTargetFormat; +using VideoCore::Surface::PixelFormatFromTextureFormat; +using VideoCore::Surface::SurfaceTarget; +using VideoCore::Surface::SurfaceTargetFromTextureType; + +namespace { +constexpr u32 GetMipmapSize(bool uncompressed, u32 mip_size, u32 tile) { + return uncompressed ? mip_size : std::max(1U, (mip_size + tile - 1) / tile); +} +} // Anonymous namespace + +SurfaceParams SurfaceParams::CreateForTexture(Core::System& system, + const Tegra::Texture::FullTextureInfo& config) { + SurfaceParams params; + params.is_tiled = config.tic.IsTiled(); + params.srgb_conversion = config.tic.IsSrgbConversionEnabled(); + params.block_width = params.is_tiled ? config.tic.BlockWidth() : 0, + params.block_height = params.is_tiled ? config.tic.BlockHeight() : 0, + params.block_depth = params.is_tiled ? config.tic.BlockDepth() : 0, + params.tile_width_spacing = params.is_tiled ? (1 << config.tic.tile_width_spacing.Value()) : 1; + params.pixel_format = PixelFormatFromTextureFormat(config.tic.format, config.tic.r_type.Value(), + params.srgb_conversion); + params.component_type = ComponentTypeFromTexture(config.tic.r_type.Value()); + params.type = GetFormatType(params.pixel_format); + params.target = SurfaceTargetFromTextureType(config.tic.texture_type); + params.width = Common::AlignUp(config.tic.Width(), GetCompressionFactor(params.pixel_format)); + params.height = Common::AlignUp(config.tic.Height(), GetCompressionFactor(params.pixel_format)); + params.depth = config.tic.Depth(); + if (params.target == SurfaceTarget::TextureCubemap || + params.target == SurfaceTarget::TextureCubeArray) { + params.depth *= 6; + } + params.pitch = params.is_tiled ? 0 : config.tic.Pitch(); + params.unaligned_height = config.tic.Height(); + params.num_levels = config.tic.max_mip_level + 1; + + params.CalculateCachedValues(); + return params; +} + +SurfaceParams SurfaceParams::CreateForDepthBuffer( + Core::System& system, u32 zeta_width, u32 zeta_height, Tegra::DepthFormat format, + u32 block_width, u32 block_height, u32 block_depth, + Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type) { + SurfaceParams params; + params.is_tiled = type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear; + params.srgb_conversion = false; + params.block_width = 1 << std::min(block_width, 5U); + params.block_height = 1 << std::min(block_height, 5U); + params.block_depth = 1 << std::min(block_depth, 5U); + params.tile_width_spacing = 1; + params.pixel_format = PixelFormatFromDepthFormat(format); + params.component_type = ComponentTypeFromDepthFormat(format); + params.type = GetFormatType(params.pixel_format); + params.width = zeta_width; + params.height = zeta_height; + params.unaligned_height = zeta_height; + params.target = SurfaceTarget::Texture2D; + params.depth = 1; + params.num_levels = 1; + + params.CalculateCachedValues(); + return params; +} + +SurfaceParams SurfaceParams::CreateForFramebuffer(Core::System& system, std::size_t index) { + const auto& config{system.GPU().Maxwell3D().regs.rt[index]}; + SurfaceParams params; + params.is_tiled = + config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear; + params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB || + config.format == Tegra::RenderTargetFormat::RGBA8_SRGB; + params.block_width = 1 << config.memory_layout.block_width; + params.block_height = 1 << config.memory_layout.block_height; + params.block_depth = 1 << config.memory_layout.block_depth; + params.tile_width_spacing = 1; + params.pixel_format = PixelFormatFromRenderTargetFormat(config.format); + params.component_type = ComponentTypeFromRenderTarget(config.format); + params.type = GetFormatType(params.pixel_format); + if (params.is_tiled) { + params.width = config.width; + } else { + const u32 bpp = GetFormatBpp(params.pixel_format) / CHAR_BIT; + params.pitch = config.width; + params.width = params.pitch / bpp; + } + params.height = config.height; + params.depth = 1; + params.unaligned_height = config.height; + params.target = SurfaceTarget::Texture2D; + params.num_levels = 1; + + params.CalculateCachedValues(); + return params; +} + +SurfaceParams SurfaceParams::CreateForFermiCopySurface( + const Tegra::Engines::Fermi2D::Regs::Surface& config) { + SurfaceParams params{}; + params.is_tiled = !config.linear; + params.srgb_conversion = config.format == Tegra::RenderTargetFormat::BGRA8_SRGB || + config.format == Tegra::RenderTargetFormat::RGBA8_SRGB; + params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 32U) : 0, + params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 32U) : 0, + params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 32U) : 0, + params.tile_width_spacing = 1; + params.pixel_format = PixelFormatFromRenderTargetFormat(config.format); + params.component_type = ComponentTypeFromRenderTarget(config.format); + params.type = GetFormatType(params.pixel_format); + params.width = config.width; + params.height = config.height; + params.unaligned_height = config.height; + // TODO(Rodrigo): Try to guess the surface target from depth and layer parameters + params.target = SurfaceTarget::Texture2D; + params.depth = 1; + params.num_levels = 1; + + params.CalculateCachedValues(); + return params; +} + +u32 SurfaceParams::GetMipWidth(u32 level) const { + return std::max(1U, width >> level); +} + +u32 SurfaceParams::GetMipHeight(u32 level) const { + return std::max(1U, height >> level); +} + +u32 SurfaceParams::GetMipDepth(u32 level) const { + return IsLayered() ? depth : std::max(1U, depth >> level); +} + +bool SurfaceParams::IsLayered() const { + switch (target) { + case SurfaceTarget::Texture1DArray: + case SurfaceTarget::Texture2DArray: + case SurfaceTarget::TextureCubemap: + case SurfaceTarget::TextureCubeArray: + return true; + default: + return false; + } +} + +u32 SurfaceParams::GetMipBlockHeight(u32 level) const { + // Auto block resizing algorithm from: + // https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nv50/nv50_miptree.c + if (level == 0) { + return this->block_height; + } + + const u32 height{GetMipHeight(level)}; + const u32 default_block_height{GetDefaultBlockHeight()}; + const u32 blocks_in_y{(height + default_block_height - 1) / default_block_height}; + u32 block_height = 16; + while (block_height > 1 && blocks_in_y <= block_height * 4) { + block_height >>= 1; + } + return block_height; +} + +u32 SurfaceParams::GetMipBlockDepth(u32 level) const { + if (level == 0) { + return this->block_depth; + } + if (IsLayered()) { + return 1; + } + + const u32 depth{GetMipDepth(level)}; + u32 block_depth = 32; + while (block_depth > 1 && depth * 2 <= block_depth) { + block_depth >>= 1; + } + + if (block_depth == 32 && GetMipBlockHeight(level) >= 4) { + return 16; + } + + return block_depth; +} + +std::size_t SurfaceParams::GetGuestMipmapLevelOffset(u32 level) const { + std::size_t offset = 0; + for (u32 i = 0; i < level; i++) { + offset += GetInnerMipmapMemorySize(i, false, false); + } + return offset; +} + +std::size_t SurfaceParams::GetHostMipmapLevelOffset(u32 level) const { + std::size_t offset = 0; + for (u32 i = 0; i < level; i++) { + offset += GetInnerMipmapMemorySize(i, true, false) * GetNumLayers(); + } + return offset; +} + +std::size_t SurfaceParams::GetHostMipmapSize(u32 level) const { + return GetInnerMipmapMemorySize(level, true, false) * GetNumLayers(); +} + +std::size_t SurfaceParams::GetGuestLayerSize() const { + return GetLayerSize(false, false); +} + +std::size_t SurfaceParams::GetLayerSize(bool as_host_size, bool uncompressed) const { + std::size_t size = 0; + for (u32 level = 0; level < num_levels; ++level) { + size += GetInnerMipmapMemorySize(level, as_host_size, uncompressed); + } + if (is_tiled && (IsLayered() || target == SurfaceTarget::Texture3D)) { + return Common::AlignUp(size, Tegra::Texture::GetGOBSize() * block_height * block_depth); + } + return size; +} + +std::size_t SurfaceParams::GetHostLayerSize(u32 level) const { + ASSERT(target != SurfaceTarget::Texture3D); + return GetInnerMipmapMemorySize(level, true, false); +} + +u32 SurfaceParams::GetDefaultBlockWidth() const { + return VideoCore::Surface::GetDefaultBlockWidth(pixel_format); +} + +u32 SurfaceParams::GetDefaultBlockHeight() const { + return VideoCore::Surface::GetDefaultBlockHeight(pixel_format); +} + +u32 SurfaceParams::GetBitsPerPixel() const { + return VideoCore::Surface::GetFormatBpp(pixel_format); +} + +u32 SurfaceParams::GetBytesPerPixel() const { + return VideoCore::Surface::GetBytesPerPixel(pixel_format); +} + +bool SurfaceParams::IsFamiliar(const SurfaceParams& view_params) const { + if (std::tie(is_tiled, tile_width_spacing, pixel_format, component_type, type) != + std::tie(view_params.is_tiled, view_params.tile_width_spacing, view_params.pixel_format, + view_params.component_type, view_params.type)) { + return false; + } + + const SurfaceTarget view_target{view_params.target}; + if (view_target == target) { + return true; + } + + switch (target) { + case SurfaceTarget::Texture1D: + case SurfaceTarget::Texture2D: + case SurfaceTarget::Texture3D: + return false; + case SurfaceTarget::Texture1DArray: + return view_target == SurfaceTarget::Texture1D; + case SurfaceTarget::Texture2DArray: + return view_target == SurfaceTarget::Texture2D; + case SurfaceTarget::TextureCubemap: + return view_target == SurfaceTarget::Texture2D || + view_target == SurfaceTarget::Texture2DArray; + case SurfaceTarget::TextureCubeArray: + return view_target == SurfaceTarget::Texture2D || + view_target == SurfaceTarget::Texture2DArray || + view_target == SurfaceTarget::TextureCubemap; + default: + UNIMPLEMENTED_MSG("Unimplemented texture family={}", static_cast<u32>(target)); + return false; + } +} + +bool SurfaceParams::IsPixelFormatZeta() const { + return pixel_format >= VideoCore::Surface::PixelFormat::MaxColorFormat && + pixel_format < VideoCore::Surface::PixelFormat::MaxDepthStencilFormat; +} + +void SurfaceParams::CalculateCachedValues() { + switch (target) { + case SurfaceTarget::Texture1D: + case SurfaceTarget::Texture2D: + case SurfaceTarget::Texture3D: + num_layers = 1; + break; + case SurfaceTarget::Texture1DArray: + case SurfaceTarget::Texture2DArray: + case SurfaceTarget::TextureCubemap: + case SurfaceTarget::TextureCubeArray: + num_layers = depth; + break; + default: + UNREACHABLE(); + } + + guest_size_in_bytes = GetInnerMemorySize(false, false, false); + + if (IsPixelFormatASTC(pixel_format)) { + // ASTC is uncompressed in software, in emulated as RGBA8 + host_size_in_bytes = static_cast<std::size_t>(width) * static_cast<std::size_t>(height) * + static_cast<std::size_t>(depth) * 4ULL; + } else { + host_size_in_bytes = GetInnerMemorySize(true, false, false); + } +} + +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{target == SurfaceTarget::Texture3D ? GetMipDepth(level) : 1U}; + return Tegra::Texture::CalculateSize(tiled, GetBytesPerPixel(), width, height, depth, + GetMipBlockHeight(level), GetMipBlockDepth(level)); +} + +std::size_t SurfaceParams::GetInnerMemorySize(bool as_host_size, bool layer_only, + bool uncompressed) const { + return GetLayerSize(as_host_size, uncompressed) * (layer_only ? 1U : num_layers); +} + +std::map<u64, std::pair<u32, u32>> SurfaceParams::CreateViewOffsetMap() const { + std::map<u64, std::pair<u32, u32>> view_offset_map; + switch (target) { + case SurfaceTarget::Texture1D: + case SurfaceTarget::Texture2D: + case SurfaceTarget::Texture3D: { + // TODO(Rodrigo): Add layer iterations for 3D textures + constexpr u32 layer = 0; + for (u32 level = 0; level < num_levels; ++level) { + const std::size_t offset{GetGuestMipmapLevelOffset(level)}; + view_offset_map.insert({offset, {layer, level}}); + } + break; + } + case SurfaceTarget::Texture1DArray: + case SurfaceTarget::Texture2DArray: + case SurfaceTarget::TextureCubemap: + case SurfaceTarget::TextureCubeArray: { + const std::size_t layer_size{GetGuestLayerSize()}; + for (u32 level = 0; level < num_levels; ++level) { + const std::size_t level_offset{GetGuestMipmapLevelOffset(level)}; + for (u32 layer = 0; layer < num_layers; ++layer) { + const auto layer_offset{static_cast<std::size_t>(layer_size * layer)}; + const std::size_t offset{level_offset + layer_offset}; + view_offset_map.insert({offset, {layer, level}}); + } + } + break; + } + default: + UNIMPLEMENTED_MSG("Unimplemented surface target {}", static_cast<u32>(target)); + } + return view_offset_map; +} + +bool SurfaceParams::IsViewValid(const SurfaceParams& view_params, u32 layer, u32 level) const { + return IsDimensionValid(view_params, level) && IsDepthValid(view_params, level) && + IsInBounds(view_params, layer, level); +} + +bool SurfaceParams::IsDimensionValid(const SurfaceParams& view_params, u32 level) const { + return view_params.width == GetMipWidth(level) && view_params.height == GetMipHeight(level); +} + +bool SurfaceParams::IsDepthValid(const SurfaceParams& view_params, u32 level) const { + if (view_params.target != SurfaceTarget::Texture3D) { + return true; + } + return view_params.depth == GetMipDepth(level); +} + +bool SurfaceParams::IsInBounds(const SurfaceParams& view_params, u32 layer, u32 level) const { + return layer + view_params.num_layers <= num_layers && + level + view_params.num_levels <= num_levels; +} + +std::size_t HasheableSurfaceParams::Hash() const { + return static_cast<std::size_t>( + Common::CityHash64(reinterpret_cast<const char*>(this), sizeof(*this))); +} + +bool HasheableSurfaceParams::operator==(const HasheableSurfaceParams& rhs) const { + return std::tie(is_tiled, block_width, block_height, block_depth, tile_width_spacing, width, + height, depth, pitch, unaligned_height, num_levels, pixel_format, + component_type, type, target) == + std::tie(rhs.is_tiled, rhs.block_width, rhs.block_height, rhs.block_depth, + rhs.tile_width_spacing, rhs.width, rhs.height, rhs.depth, rhs.pitch, + rhs.unaligned_height, rhs.num_levels, rhs.pixel_format, rhs.component_type, + rhs.type, rhs.target); +} + +} // namespace VideoCommon diff --git a/src/video_core/texture_cache/surface_params.h b/src/video_core/texture_cache/surface_params.h new file mode 100644 index 000000000..77dc0ba66 --- /dev/null +++ b/src/video_core/texture_cache/surface_params.h @@ -0,0 +1,229 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <map> + +#include "common/common_types.h" +#include "video_core/engines/fermi_2d.h" +#include "video_core/engines/maxwell_3d.h" +#include "video_core/surface.h" + +namespace VideoCommon { + +class HasheableSurfaceParams { +public: + std::size_t Hash() const; + + bool operator==(const HasheableSurfaceParams& rhs) const; + + bool operator!=(const HasheableSurfaceParams& rhs) const { + return !operator==(rhs); + } + +protected: + // Avoid creation outside of a managed environment. + HasheableSurfaceParams() = default; + + bool is_tiled; + bool srgb_conversion; + u32 block_width; + u32 block_height; + u32 block_depth; + u32 tile_width_spacing; + u32 width; + u32 height; + u32 depth; + u32 pitch; + u32 unaligned_height; + u32 num_levels; + VideoCore::Surface::PixelFormat pixel_format; + VideoCore::Surface::ComponentType component_type; + VideoCore::Surface::SurfaceType type; + VideoCore::Surface::SurfaceTarget target; +}; + +class SurfaceParams final : public HasheableSurfaceParams { +public: + /// Creates SurfaceCachedParams from a texture configuration. + static SurfaceParams CreateForTexture(Core::System& system, + const Tegra::Texture::FullTextureInfo& config); + + /// Creates SurfaceCachedParams for a depth buffer configuration. + static SurfaceParams CreateForDepthBuffer( + Core::System& system, u32 zeta_width, u32 zeta_height, Tegra::DepthFormat format, + u32 block_width, u32 block_height, u32 block_depth, + Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type); + + /// Creates SurfaceCachedParams from a framebuffer configuration. + static SurfaceParams CreateForFramebuffer(Core::System& system, std::size_t index); + + /// Creates SurfaceCachedParams from a Fermi2D surface configuration. + static SurfaceParams CreateForFermiCopySurface( + const Tegra::Engines::Fermi2D::Regs::Surface& config); + + bool IsTiled() const { + return is_tiled; + } + + bool GetSrgbConversion() const { + return srgb_conversion; + } + + u32 GetBlockWidth() const { + return block_width; + } + + u32 GetTileWidthSpacing() const { + return tile_width_spacing; + } + + u32 GetWidth() const { + return width; + } + + u32 GetHeight() const { + return height; + } + + u32 GetDepth() const { + return depth; + } + + u32 GetPitch() const { + return pitch; + } + + u32 GetNumLevels() const { + return num_levels; + } + + VideoCore::Surface::PixelFormat GetPixelFormat() const { + return pixel_format; + } + + VideoCore::Surface::ComponentType GetComponentType() const { + return component_type; + } + + VideoCore::Surface::SurfaceTarget GetTarget() const { + return target; + } + + VideoCore::Surface::SurfaceType GetType() const { + return type; + } + + std::size_t GetGuestSizeInBytes() const { + return guest_size_in_bytes; + } + + std::size_t GetHostSizeInBytes() const { + return host_size_in_bytes; + } + + u32 GetNumLayers() const { + return num_layers; + } + + /// Returns the width of a given mipmap level. + u32 GetMipWidth(u32 level) const; + + /// Returns the height of a given mipmap level. + u32 GetMipHeight(u32 level) const; + + /// Returns the depth of a given mipmap level. + u32 GetMipDepth(u32 level) const; + + /// Returns true if these parameters are from a layered surface. + bool IsLayered() const; + + /// Returns the block height of a given mipmap level. + u32 GetMipBlockHeight(u32 level) const; + + /// Returns the block depth of a given mipmap level. + u32 GetMipBlockDepth(u32 level) const; + + /// Returns the offset in bytes in guest memory of a given mipmap level. + std::size_t GetGuestMipmapLevelOffset(u32 level) const; + + /// Returns the offset in bytes in host memory (linear) of a given mipmap level. + std::size_t GetHostMipmapLevelOffset(u32 level) const; + + /// Returns the size in bytes in host memory (linear) of a given mipmap level. + std::size_t GetHostMipmapSize(u32 level) const; + + /// Returns the size of a layer in bytes in guest memory. + std::size_t GetGuestLayerSize() const; + + /// Returns the size of a layer in bytes in host memory for a given mipmap level. + std::size_t GetHostLayerSize(u32 level) const; + + /// Returns the default block width. + u32 GetDefaultBlockWidth() const; + + /// Returns the default block height. + u32 GetDefaultBlockHeight() const; + + /// Returns the bits per pixel. + u32 GetBitsPerPixel() const; + + /// Returns the bytes per pixel. + u32 GetBytesPerPixel() const; + + /// Returns true if another surface can be familiar with this. This is a loosely defined term + /// that reflects the possibility of these two surface parameters potentially being part of a + /// bigger superset. + bool IsFamiliar(const SurfaceParams& view_params) const; + + /// Returns true if the pixel format is a depth and/or stencil format. + bool IsPixelFormatZeta() const; + + /// Creates a map that redirects an address difference to a layer and mipmap level. + std::map<u64, std::pair<u32, u32>> CreateViewOffsetMap() const; + + /// Returns true if the passed surface view parameters is equal or a valid subset of this. + bool IsViewValid(const SurfaceParams& view_params, u32 layer, u32 level) const; + +private: + /// Calculates values that can be deduced from HasheableSurfaceParams. + void CalculateCachedValues(); + + /// Returns the size of a given mipmap level inside a layer. + std::size_t GetInnerMipmapMemorySize(u32 level, bool as_host_size, bool uncompressed) const; + + /// Returns the size of all mipmap levels and aligns as needed. + std::size_t GetInnerMemorySize(bool as_host_size, bool layer_only, bool uncompressed) const; + + /// Returns the size of a layer + std::size_t GetLayerSize(bool as_host_size, bool uncompressed) const; + + /// Returns true if the passed view width and height match the size of this params in a given + /// mipmap level. + bool IsDimensionValid(const SurfaceParams& view_params, u32 level) const; + + /// Returns true if the passed view depth match the size of this params in a given mipmap level. + bool IsDepthValid(const SurfaceParams& view_params, u32 level) const; + + /// Returns true if the passed view layers and mipmap levels are in bounds. + bool IsInBounds(const SurfaceParams& view_params, u32 layer, u32 level) const; + + std::size_t guest_size_in_bytes; + std::size_t host_size_in_bytes; + u32 num_layers; +}; + +} // namespace VideoCommon + +namespace std { + +template <> +struct hash<VideoCommon::SurfaceParams> { + std::size_t operator()(const VideoCommon::SurfaceParams& k) const noexcept { + return k.Hash(); + } +}; + +} // namespace std diff --git a/src/video_core/texture_cache/surface_view.cpp b/src/video_core/texture_cache/surface_view.cpp new file mode 100644 index 000000000..5f4cdbb1c --- /dev/null +++ b/src/video_core/texture_cache/surface_view.cpp @@ -0,0 +1,23 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <tuple> + +#include "common/common_types.h" +#include "video_core/texture_cache/surface_view.h" + +namespace VideoCommon { + +std::size_t ViewKey::Hash() const { + return static_cast<std::size_t>(base_layer) ^ static_cast<std::size_t>(num_layers << 16) ^ + (static_cast<std::size_t>(base_level) << 32) ^ + (static_cast<std::size_t>(num_levels) << 48); +} + +bool ViewKey::operator==(const ViewKey& rhs) const { + return std::tie(base_layer, num_layers, base_level, num_levels) == + std::tie(rhs.base_layer, rhs.num_layers, rhs.base_level, rhs.num_levels); +} + +} // namespace VideoCommon diff --git a/src/video_core/texture_cache/surface_view.h b/src/video_core/texture_cache/surface_view.h new file mode 100644 index 000000000..e73d8f6ae --- /dev/null +++ b/src/video_core/texture_cache/surface_view.h @@ -0,0 +1,35 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <functional> + +#include "common/common_types.h" + +namespace VideoCommon { + +struct ViewKey { + std::size_t Hash() const; + + bool operator==(const ViewKey& rhs) const; + + u32 base_layer{}; + u32 num_layers{}; + u32 base_level{}; + u32 num_levels{}; +}; + +} // namespace VideoCommon + +namespace std { + +template <> +struct hash<VideoCommon::ViewKey> { + std::size_t operator()(const VideoCommon::ViewKey& k) const noexcept { + return k.Hash(); + } +}; + +} // namespace std diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h new file mode 100644 index 000000000..fb43fa65e --- /dev/null +++ b/src/video_core/texture_cache/texture_cache.h @@ -0,0 +1,282 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <list> +#include <memory> +#include <set> +#include <tuple> +#include <type_traits> +#include <unordered_map> + +#include <boost/icl/interval_map.hpp> +#include <boost/range/iterator_range.hpp> + +#include "common/assert.h" +#include "common/common_types.h" +#include "core/memory.h" +#include "video_core/engines/fermi_2d.h" +#include "video_core/engines/maxwell_3d.h" +#include "video_core/gpu.h" +#include "video_core/memory_manager.h" +#include "video_core/rasterizer_interface.h" +#include "video_core/surface.h" +#include "video_core/texture_cache/surface_base.h" +#include "video_core/texture_cache/surface_params.h" +#include "video_core/texture_cache/surface_view.h" + +namespace Core { +class System; +} + +namespace Tegra::Texture { +struct FullTextureInfo; +} + +namespace VideoCore { +class RasterizerInterface; +} + +namespace VideoCommon { + +template <typename TSurface, typename TView, typename TExecutionContext> +class TextureCache { + static_assert(std::is_trivially_copyable_v<TExecutionContext>); + + using ResultType = std::tuple<TView*, TExecutionContext>; + using IntervalMap = boost::icl::interval_map<CacheAddr, std::set<std::shared_ptr<TSurface>>>; + using IntervalType = typename IntervalMap::interval_type; + +public: + void InvalidateRegion(CacheAddr addr, std::size_t size) { + for (const auto& surface : GetSurfacesInRegion(addr, size)) { + if (!surface->IsRegistered()) { + // Skip duplicates + continue; + } + Unregister(surface); + } + } + + ResultType GetTextureSurface(TExecutionContext exctx, + const Tegra::Texture::FullTextureInfo& config) { + const auto gpu_addr{config.tic.Address()}; + if (!gpu_addr) { + return {{}, exctx}; + } + const auto params{SurfaceParams::CreateForTexture(system, config)}; + return GetSurfaceView(exctx, gpu_addr, params, true); + } + + ResultType GetDepthBufferSurface(TExecutionContext exctx, bool preserve_contents) { + const auto& regs{system.GPU().Maxwell3D().regs}; + const auto gpu_addr{regs.zeta.Address()}; + if (!gpu_addr || !regs.zeta_enable) { + return {{}, exctx}; + } + const auto depth_params{SurfaceParams::CreateForDepthBuffer( + system, regs.zeta_width, regs.zeta_height, regs.zeta.format, + regs.zeta.memory_layout.block_width, regs.zeta.memory_layout.block_height, + regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)}; + return GetSurfaceView(exctx, gpu_addr, depth_params, preserve_contents); + } + + ResultType GetColorBufferSurface(TExecutionContext exctx, std::size_t index, + bool preserve_contents) { + ASSERT(index < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets); + + const auto& regs{system.GPU().Maxwell3D().regs}; + if (index >= regs.rt_control.count || regs.rt[index].Address() == 0 || + regs.rt[index].format == Tegra::RenderTargetFormat::NONE) { + return {{}, exctx}; + } + + auto& memory_manager{system.GPU().MemoryManager()}; + const auto& config{system.GPU().Maxwell3D().regs.rt[index]}; + const auto gpu_addr{config.Address() + + config.base_layer * config.layer_stride * sizeof(u32)}; + if (!gpu_addr) { + return {{}, exctx}; + } + + return GetSurfaceView(exctx, gpu_addr, SurfaceParams::CreateForFramebuffer(system, index), + preserve_contents); + } + + ResultType GetFermiSurface(TExecutionContext exctx, + const Tegra::Engines::Fermi2D::Regs::Surface& config) { + return GetSurfaceView(exctx, config.Address(), + SurfaceParams::CreateForFermiCopySurface(config), true); + } + + std::shared_ptr<TSurface> TryFindFramebufferSurface(const u8* host_ptr) const { + const auto it{registered_surfaces.find(ToCacheAddr(host_ptr))}; + return it != registered_surfaces.end() ? *it->second.begin() : nullptr; + } + + u64 Tick() { + return ++ticks; + } + +protected: + TextureCache(Core::System& system, VideoCore::RasterizerInterface& rasterizer) + : system{system}, rasterizer{rasterizer} {} + + ~TextureCache() = default; + + virtual ResultType TryFastGetSurfaceView( + TExecutionContext exctx, GPUVAddr gpu_addr, VAddr cpu_addr, u8* host_ptr, + const SurfaceParams& params, bool preserve_contents, + const std::vector<std::shared_ptr<TSurface>>& overlaps) = 0; + + virtual std::shared_ptr<TSurface> CreateSurface(const SurfaceParams& params) = 0; + + void Register(std::shared_ptr<TSurface> surface, GPUVAddr gpu_addr, VAddr cpu_addr, + u8* host_ptr) { + surface->Register(gpu_addr, cpu_addr, host_ptr); + registered_surfaces.add({GetSurfaceInterval(surface), {surface}}); + rasterizer.UpdatePagesCachedCount(surface->GetCpuAddr(), surface->GetSizeInBytes(), 1); + } + + void Unregister(std::shared_ptr<TSurface> surface) { + registered_surfaces.subtract({GetSurfaceInterval(surface), {surface}}); + rasterizer.UpdatePagesCachedCount(surface->GetCpuAddr(), surface->GetSizeInBytes(), -1); + surface->Unregister(); + } + + std::shared_ptr<TSurface> GetUncachedSurface(const SurfaceParams& params) { + if (const auto surface = TryGetReservedSurface(params); surface) + return surface; + // No reserved surface available, create a new one and reserve it + auto new_surface{CreateSurface(params)}; + ReserveSurface(params, new_surface); + return new_surface; + } + + Core::System& system; + +private: + ResultType GetSurfaceView(TExecutionContext exctx, GPUVAddr gpu_addr, + const SurfaceParams& params, bool preserve_contents) { + auto& memory_manager{system.GPU().MemoryManager()}; + const auto cpu_addr{memory_manager.GpuToCpuAddress(gpu_addr)}; + DEBUG_ASSERT(cpu_addr); + + const auto host_ptr{memory_manager.GetPointer(gpu_addr)}; + const auto cache_addr{ToCacheAddr(host_ptr)}; + auto overlaps{GetSurfacesInRegion(cache_addr, params.GetGuestSizeInBytes())}; + if (overlaps.empty()) { + return LoadSurfaceView(exctx, gpu_addr, *cpu_addr, host_ptr, params, preserve_contents); + } + + if (overlaps.size() == 1) { + if (TView* view = overlaps[0]->TryGetView(gpu_addr, params); view) { + return {view, exctx}; + } + } + + TView* fast_view; + std::tie(fast_view, exctx) = TryFastGetSurfaceView(exctx, gpu_addr, *cpu_addr, host_ptr, + params, preserve_contents, overlaps); + + if (!fast_view) { + std::sort(overlaps.begin(), overlaps.end(), [](const auto& lhs, const auto& rhs) { + return lhs->GetModificationTick() < rhs->GetModificationTick(); + }); + } + + for (const auto& surface : overlaps) { + if (!fast_view) { + // Flush even when we don't care about the contents, to preserve memory not + // written by the new surface. + exctx = FlushSurface(exctx, surface); + } + Unregister(surface); + } + + if (fast_view) { + return {fast_view, exctx}; + } + + return LoadSurfaceView(exctx, gpu_addr, *cpu_addr, host_ptr, params, preserve_contents); + } + + ResultType LoadSurfaceView(TExecutionContext exctx, GPUVAddr gpu_addr, VAddr cpu_addr, + u8* host_ptr, const SurfaceParams& params, bool preserve_contents) { + const auto new_surface{GetUncachedSurface(params)}; + Register(new_surface, gpu_addr, cpu_addr, host_ptr); + if (preserve_contents) { + exctx = LoadSurface(exctx, new_surface); + } + return {new_surface->GetView(gpu_addr, params), exctx}; + } + + TExecutionContext LoadSurface(TExecutionContext exctx, + const std::shared_ptr<TSurface>& surface) { + surface->LoadBuffer(); + exctx = surface->UploadTexture(exctx); + surface->MarkAsModified(false); + return exctx; + } + + TExecutionContext FlushSurface(TExecutionContext exctx, + const std::shared_ptr<TSurface>& surface) { + if (!surface->IsModified()) { + return exctx; + } + exctx = surface->DownloadTexture(exctx); + surface->FlushBuffer(); + return exctx; + } + + std::vector<std::shared_ptr<TSurface>> GetSurfacesInRegion(CacheAddr cache_addr, + std::size_t size) const { + if (size == 0) { + return {}; + } + const IntervalType interval{cache_addr, cache_addr + size}; + + std::vector<std::shared_ptr<TSurface>> surfaces; + for (auto& pair : boost::make_iterator_range(registered_surfaces.equal_range(interval))) { + surfaces.push_back(*pair.second.begin()); + } + return surfaces; + } + + void ReserveSurface(const SurfaceParams& params, std::shared_ptr<TSurface> surface) { + surface_reserve[params].push_back(std::move(surface)); + } + + std::shared_ptr<TSurface> TryGetReservedSurface(const SurfaceParams& params) { + auto search{surface_reserve.find(params)}; + if (search == surface_reserve.end()) { + return {}; + } + for (auto& surface : search->second) { + if (!surface->IsRegistered()) { + return surface; + } + } + return {}; + } + + IntervalType GetSurfaceInterval(std::shared_ptr<TSurface> surface) const { + return IntervalType::right_open(surface->GetCacheAddr(), + surface->GetCacheAddr() + surface->GetSizeInBytes()); + } + + VideoCore::RasterizerInterface& rasterizer; + + u64 ticks{}; + + IntervalMap registered_surfaces; + + /// The surface reserve is a "backup" cache, this is where we put unique surfaces that have + /// previously been used. This is to prevent surfaces from being constantly created and + /// destroyed when used with different surface parameters. + std::unordered_map<SurfaceParams, std::list<std::shared_ptr<TSurface>>> surface_reserve; +}; + +} // namespace VideoCommon diff --git a/src/video_core/texture_cache/texture_cache_contextless.h b/src/video_core/texture_cache/texture_cache_contextless.h new file mode 100644 index 000000000..cd35a9fd4 --- /dev/null +++ b/src/video_core/texture_cache/texture_cache_contextless.h @@ -0,0 +1,93 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "video_core/texture_cache/texture_cache.h" + +namespace VideoCommon { + +struct DummyExecutionContext {}; + +template <typename TSurface, typename TView> +class TextureCacheContextless : protected TextureCache<TSurface, TView, DummyExecutionContext> { + using Base = TextureCache<TSurface, TView, DummyExecutionContext>; + +public: + void InvalidateRegion(CacheAddr addr, std::size_t size) { + Base::InvalidateRegion(addr, size); + } + + TView* GetTextureSurface(const Tegra::Texture::FullTextureInfo& config) { + return RemoveContext(Base::GetTextureSurface({}, config)); + } + + TView* GetDepthBufferSurface(bool preserve_contents) { + return RemoveContext(Base::GetDepthBufferSurface({}, preserve_contents)); + } + + TView* GetColorBufferSurface(std::size_t index, bool preserve_contents) { + return RemoveContext(Base::GetColorBufferSurface({}, index, preserve_contents)); + } + + TView* GetFermiSurface(const Tegra::Engines::Fermi2D::Regs::Surface& config) { + return RemoveContext(Base::GetFermiSurface({}, config)); + } + + std::shared_ptr<TSurface> TryFindFramebufferSurface(const u8* host_ptr) const { + return Base::TryFindFramebufferSurface(host_ptr); + } + + u64 Tick() { + return Base::Tick(); + } + +protected: + explicit TextureCacheContextless(Core::System& system, + VideoCore::RasterizerInterface& rasterizer) + : TextureCache<TSurface, TView, DummyExecutionContext>{system, rasterizer} {} + + virtual TView* TryFastGetSurfaceView( + GPUVAddr gpu_addr, VAddr cpu_addr, u8* host_ptr, const SurfaceParams& params, + bool preserve_contents, const std::vector<std::shared_ptr<TSurface>>& overlaps) = 0; + +private: + std::tuple<TView*, DummyExecutionContext> TryFastGetSurfaceView( + DummyExecutionContext, GPUVAddr gpu_addr, VAddr cpu_addr, u8* host_ptr, + const SurfaceParams& params, bool preserve_contents, + const std::vector<std::shared_ptr<TSurface>>& overlaps) { + return {TryFastGetSurfaceView(gpu_addr, cpu_addr, host_ptr, params, preserve_contents, + overlaps), + {}}; + } + + TView* RemoveContext(std::tuple<TView*, DummyExecutionContext> return_value) { + const auto [view, exctx] = return_value; + return view; + } +}; + +template <typename TTextureCache, typename TView> +class SurfaceBaseContextless : public SurfaceBase<TTextureCache, TView, DummyExecutionContext> { +public: + DummyExecutionContext DownloadTexture(DummyExecutionContext) { + DownloadTextureImpl(); + return {}; + } + + DummyExecutionContext UploadTexture(DummyExecutionContext) { + UploadTextureImpl(); + return {}; + } + +protected: + explicit SurfaceBaseContextless(TTextureCache& texture_cache, const SurfaceParams& params) + : SurfaceBase<TTextureCache, TView, DummyExecutionContext>{texture_cache, params} {} + + virtual void DownloadTextureImpl() = 0; + + virtual void UploadTextureImpl() = 0; +}; + +} // namespace VideoCommon |