summaryrefslogtreecommitdiffstats
path: root/src/video_core
diff options
context:
space:
mode:
authorReinUsesLisp <reinuseslisp@airmail.cc>2019-03-22 02:26:50 +0100
committerReinUsesLisp <reinuseslisp@airmail.cc>2019-03-22 17:34:04 +0100
commitd708d03d201cf62cb159870d7276a6330cb8e474 (patch)
treedb7a0246cf658d83c682cf764ec23f7dac65faf9 /src/video_core
parentMerge pull request #2260 from lioncash/sdl (diff)
downloadyuzu-d708d03d201cf62cb159870d7276a6330cb8e474.tar
yuzu-d708d03d201cf62cb159870d7276a6330cb8e474.tar.gz
yuzu-d708d03d201cf62cb159870d7276a6330cb8e474.tar.bz2
yuzu-d708d03d201cf62cb159870d7276a6330cb8e474.tar.lz
yuzu-d708d03d201cf62cb159870d7276a6330cb8e474.tar.xz
yuzu-d708d03d201cf62cb159870d7276a6330cb8e474.tar.zst
yuzu-d708d03d201cf62cb159870d7276a6330cb8e474.zip
Diffstat (limited to '')
-rw-r--r--src/video_core/CMakeLists.txt2
-rw-r--r--src/video_core/texture_cache.cpp386
-rw-r--r--src/video_core/texture_cache.h586
3 files changed, 974 insertions, 0 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 14b76680f..63577a9c5 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -106,6 +106,8 @@ add_library(video_core STATIC
textures/decoders.cpp
textures/decoders.h
textures/texture.h
+ texture_cache.cpp
+ texture_cache.h
video_core.cpp
video_core.h
)
diff --git a/src/video_core/texture_cache.cpp b/src/video_core/texture_cache.cpp
new file mode 100644
index 000000000..e96eba7cc
--- /dev/null
+++ b/src/video_core/texture_cache.cpp
@@ -0,0 +1,386 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/alignment.h"
+#include "common/assert.h"
+#include "common/cityhash.h"
+#include "common/common_types.h"
+#include "core/core.h"
+#include "video_core/surface.h"
+#include "video_core/texture_cache.h"
+#include "video_core/textures/decoders.h"
+#include "video_core/textures/texture.h"
+
+namespace VideoCommon {
+
+using VideoCore::Surface::SurfaceTarget;
+
+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::SurfaceTargetFromTextureType;
+
+constexpr u32 GetMipmapSize(bool uncompressed, u32 mip_size, u32 tile) {
+ return uncompressed ? mip_size : std::max(1U, (mip_size + tile - 1) / tile);
+}
+
+SurfaceParams SurfaceParams::CreateForTexture(Core::System& system,
+ const Tegra::Texture::FullTextureInfo& config) {
+ SurfaceParams params;
+ params.is_tiled = config.tic.IsTiled();
+ 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(), false);
+ 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.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.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.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::TextureCubeArray:
+ case SurfaceTarget::TextureCubemap:
+ 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 block_height;
+ }
+ const u32 height{GetMipHeight(level)};
+ const u32 default_block_height{GetDefaultBlockHeight(pixel_format)};
+ 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 block_depth;
+ if (target != SurfaceTarget::Texture3D)
+ 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, IsLayered(), 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, false);
+ }
+ return offset;
+}
+
+std::size_t SurfaceParams::GetGuestLayerSize() const {
+ return GetInnerMemorySize(false, true, false);
+}
+
+std::size_t SurfaceParams::GetHostLayerSize(u32 level) const {
+ return GetInnerMipmapMemorySize(level, true, IsLayered(), false);
+}
+
+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() {
+ guest_size_in_bytes = GetInnerMemorySize(false, false, false);
+
+ // ASTC is uncompressed in software, in emulated as RGBA8
+ if (IsPixelFormatASTC(pixel_format)) {
+ host_size_in_bytes = width * height * depth * 4;
+ } else {
+ host_size_in_bytes = GetInnerMemorySize(true, false, false);
+ }
+
+ 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();
+ }
+}
+
+std::size_t SurfaceParams::GetInnerMipmapMemorySize(u32 level, bool as_host_size, bool layer_only,
+ bool uncompressed) const {
+ const bool tiled{as_host_size ? false : is_tiled};
+ const u32 tile_x{GetDefaultBlockWidth(pixel_format)};
+ const u32 tile_y{GetDefaultBlockHeight(pixel_format)};
+ const u32 width{GetMipmapSize(uncompressed, GetMipWidth(level), tile_x)};
+ const u32 height{GetMipmapSize(uncompressed, GetMipHeight(level), tile_y)};
+ const u32 depth{layer_only ? 1U : GetMipDepth(level)};
+ return Tegra::Texture::CalculateSize(tiled, GetBytesPerPixel(pixel_format), width, height,
+ depth, GetMipBlockHeight(level), GetMipBlockDepth(level));
+}
+
+std::size_t SurfaceParams::GetInnerMemorySize(bool as_host_size, bool layer_only,
+ bool uncompressed) const {
+ std::size_t size = 0;
+ for (u32 level = 0; level < num_levels; ++level) {
+ size += GetInnerMipmapMemorySize(level, as_host_size, layer_only, uncompressed);
+ }
+ if (!as_host_size && is_tiled) {
+ size = Common::AlignUp(size, Tegra::Texture::GetGOBSize() * block_height * block_depth);
+ }
+ return size;
+}
+
+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: {
+ 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);
+}
+
+std::size_t ViewKey::Hash() const {
+ return static_cast<std::size_t>(
+ Common::CityHash64(reinterpret_cast<const char*>(this), sizeof(*this)));
+}
+
+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.h b/src/video_core/texture_cache.h
new file mode 100644
index 000000000..041551691
--- /dev/null
+++ b/src/video_core/texture_cache.h
@@ -0,0 +1,586 @@
+// 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/rasterizer_interface.h"
+#include "video_core/surface.h"
+
+namespace Core {
+class System;
+}
+
+namespace Tegra::Texture {
+struct FullTextureInfo;
+}
+
+namespace VideoCore {
+class RasterizerInterface;
+}
+
+namespace VideoCommon {
+
+class HasheableSurfaceParams {
+public:
+ std::size_t Hash() const;
+
+ bool operator==(const HasheableSurfaceParams& rhs) const;
+
+protected:
+ // Avoid creation outside of a managed environment.
+ HasheableSurfaceParams() = default;
+
+ bool is_tiled;
+ 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;
+ }
+
+ 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 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 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.
+ std::size_t GetInnerMipmapMemorySize(u32 level, bool as_host_size, bool layer_only,
+ 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 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;
+};
+
+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::SurfaceParams> {
+ std::size_t operator()(const VideoCommon::SurfaceParams& k) const noexcept {
+ return k.Hash();
+ }
+};
+
+template <>
+struct hash<VideoCommon::ViewKey> {
+ std::size_t operator()(const VideoCommon::ViewKey& k) const noexcept {
+ return k.Hash();
+ }
+};
+
+} // namespace std
+
+namespace VideoCommon {
+
+template <typename TView, typename TExecutionContext>
+class SurfaceBase {
+ static_assert(std::is_trivially_copyable_v<TExecutionContext>);
+
+public:
+ virtual void LoadBuffer() = 0;
+
+ virtual TExecutionContext FlushBuffer(TExecutionContext exctx) = 0;
+
+ virtual TExecutionContext UploadTexture(TExecutionContext exctx) = 0;
+
+ TView* TryGetView(VAddr view_addr, const SurfaceParams& view_params) {
+ if (view_addr < cpu_addr || !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 - cpu_addr)};
+ 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());
+ }
+
+ 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;
+ }
+
+ std::size_t GetSizeInBytes() const {
+ return params.GetGuestSizeInBytes();
+ }
+
+ void MarkAsModified(bool is_modified_) {
+ is_modified = is_modified_;
+ }
+
+ const SurfaceParams& GetSurfaceParams() const {
+ return params;
+ }
+
+ TView* GetView(VAddr view_addr, const SurfaceParams& view_params) {
+ TView* view{TryGetView(view_addr, view_params)};
+ ASSERT(view != nullptr);
+ return view;
+ }
+
+ void Register(VAddr cpu_addr_, u8* host_ptr_) {
+ ASSERT(!is_registered);
+ is_registered = true;
+ cpu_addr = cpu_addr_;
+ host_ptr = host_ptr_;
+ cache_addr = ToCacheAddr(host_ptr_);
+ }
+
+ void Register(VAddr cpu_addr_) {
+ Register(cpu_addr_, Memory::GetPointer(cpu_addr_));
+ }
+
+ void Unregister() {
+ ASSERT(is_registered);
+ is_registered = false;
+ }
+
+ bool IsRegistered() const {
+ return is_registered;
+ }
+
+protected:
+ explicit SurfaceBase(const SurfaceParams& params)
+ : params{params}, view_offset_map{params.CreateViewOffsetMap()} {}
+
+ ~SurfaceBase() = default;
+
+ virtual std::unique_ptr<TView> CreateView(const ViewKey& view_key) = 0;
+
+ bool IsModified() const {
+ return is_modified;
+ }
+
+ const SurfaceParams params;
+
+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();
+ }
+
+ const std::map<u64, std::pair<u32, u32>> view_offset_map;
+
+ VAddr cpu_addr{};
+ u8* host_ptr{};
+ CacheAddr cache_addr{};
+ bool is_modified{};
+ bool is_registered{};
+ std::unordered_map<ViewKey, std::unique_ptr<TView>> views;
+};
+
+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<TSurface*>>;
+ using IntervalType = typename IntervalMap::interval_type;
+
+public:
+ void InvalidateRegion(CacheAddr addr, std::size_t size) {
+ for (TSurface* surface : GetSurfacesInRegion(addr, size)) {
+ if (!surface->IsRegistered()) {
+ // Skip duplicates
+ continue;
+ }
+ Unregister(surface);
+ }
+ }
+
+ ResultType GetTextureSurface(TExecutionContext exctx,
+ const Tegra::Texture::FullTextureInfo& config) {
+ auto& memory_manager{system.GPU().MemoryManager()};
+ const auto cpu_addr{memory_manager.GpuToCpuAddress(config.tic.Address())};
+ if (!cpu_addr) {
+ return {{}, exctx};
+ }
+ const auto params{SurfaceParams::CreateForTexture(system, config)};
+ return GetSurfaceView(exctx, *cpu_addr, params, true);
+ }
+
+ ResultType GetDepthBufferSurface(TExecutionContext exctx, bool preserve_contents) {
+ const auto& regs{system.GPU().Maxwell3D().regs};
+ if (!regs.zeta.Address() || !regs.zeta_enable) {
+ return {{}, exctx};
+ }
+
+ auto& memory_manager{system.GPU().MemoryManager()};
+ const auto cpu_addr{memory_manager.GpuToCpuAddress(regs.zeta.Address())};
+ if (!cpu_addr) {
+ 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, *cpu_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 cpu_addr{memory_manager.GpuToCpuAddress(
+ config.Address() + config.base_layer * config.layer_stride * sizeof(u32))};
+ if (!cpu_addr) {
+ return {{}, exctx};
+ }
+
+ return GetSurfaceView(exctx, *cpu_addr, SurfaceParams::CreateForFramebuffer(system, index),
+ preserve_contents);
+ }
+
+ ResultType GetFermiSurface(TExecutionContext exctx,
+ const Tegra::Engines::Fermi2D::Regs::Surface& config) {
+ const auto cpu_addr{system.GPU().MemoryManager().GpuToCpuAddress(config.Address())};
+ ASSERT(cpu_addr);
+ return GetSurfaceView(exctx, *cpu_addr, SurfaceParams::CreateForFermiCopySurface(config),
+ true);
+ }
+
+ 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;
+ }
+
+protected:
+ TextureCache(Core::System& system, VideoCore::RasterizerInterface& rasterizer)
+ : system{system}, rasterizer{rasterizer} {}
+
+ ~TextureCache() = default;
+
+ virtual ResultType TryFastGetSurfaceView(TExecutionContext exctx, VAddr cpu_addr, u8* host_ptr,
+ const SurfaceParams& params, bool preserve_contents,
+ const std::vector<TSurface*>& overlaps) = 0;
+
+ virtual std::unique_ptr<TSurface> CreateSurface(const SurfaceParams& params) = 0;
+
+ void Register(TSurface* surface, VAddr cpu_addr, u8* host_ptr) {
+ surface->Register(cpu_addr, host_ptr);
+ registered_surfaces.add({GetSurfaceInterval(surface), {surface}});
+ rasterizer.UpdatePagesCachedCount(surface->GetCpuAddr(), surface->GetSizeInBytes(), 1);
+ }
+
+ void Unregister(TSurface* surface) {
+ registered_surfaces.subtract({GetSurfaceInterval(surface), {surface}});
+ rasterizer.UpdatePagesCachedCount(surface->GetCpuAddr(), surface->GetSizeInBytes(), -1);
+ surface->Unregister();
+ }
+
+ TSurface* GetUncachedSurface(const SurfaceParams& params) {
+ if (TSurface* surface = TryGetReservedSurface(params); surface)
+ return surface;
+ // No reserved surface available, create a new one and reserve it
+ auto new_surface{CreateSurface(params)};
+ TSurface* surface{new_surface.get()};
+ ReserveSurface(params, std::move(new_surface));
+ return surface;
+ }
+
+ Core::System& system;
+
+private:
+ ResultType GetSurfaceView(TExecutionContext exctx, VAddr cpu_addr, const SurfaceParams& params,
+ bool preserve_contents) {
+ const auto host_ptr{Memory::GetPointer(cpu_addr)};
+ const auto cache_addr{ToCacheAddr(host_ptr)};
+ const auto overlaps{GetSurfacesInRegion(cache_addr, params.GetGuestSizeInBytes())};
+ if (overlaps.empty()) {
+ return LoadSurfaceView(exctx, cpu_addr, host_ptr, params, preserve_contents);
+ }
+
+ if (overlaps.size() == 1) {
+ if (TView* view = overlaps[0]->TryGetView(cpu_addr, params); view)
+ return {view, exctx};
+ }
+
+ TView* fast_view;
+ std::tie(fast_view, exctx) =
+ TryFastGetSurfaceView(exctx, cpu_addr, host_ptr, params, preserve_contents, overlaps);
+
+ for (TSurface* 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 = surface->FlushBuffer(exctx);
+ }
+ Unregister(surface);
+ }
+
+ if (fast_view) {
+ return {fast_view, exctx};
+ }
+
+ return LoadSurfaceView(exctx, cpu_addr, host_ptr, params, preserve_contents);
+ }
+
+ ResultType LoadSurfaceView(TExecutionContext exctx, VAddr cpu_addr, u8* host_ptr,
+ const SurfaceParams& params, bool preserve_contents) {
+ TSurface* new_surface{GetUncachedSurface(params)};
+ Register(new_surface, cpu_addr, host_ptr);
+ if (preserve_contents) {
+ exctx = LoadSurface(exctx, new_surface);
+ }
+ return {new_surface->GetView(cpu_addr, params), exctx};
+ }
+
+ TExecutionContext LoadSurface(TExecutionContext exctx, TSurface* surface) {
+ surface->LoadBuffer();
+ exctx = surface->UploadTexture(exctx);
+ surface->MarkAsModified(false);
+ return exctx;
+ }
+
+ std::vector<TSurface*> GetSurfacesInRegion(CacheAddr cache_addr, std::size_t size) const {
+ if (size == 0) {
+ return {};
+ }
+ const IntervalType interval{cache_addr, cache_addr + size};
+
+ std::vector<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::unique_ptr<TSurface> surface) {
+ surface_reserve[params].push_back(std::move(surface));
+ }
+
+ 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.get();
+ }
+ }
+ return {};
+ }
+
+ IntervalType GetSurfaceInterval(TSurface* surface) const {
+ return IntervalType::right_open(surface->GetCacheAddr(),
+ surface->GetCacheAddr() + surface->GetSizeInBytes());
+ }
+
+ VideoCore::RasterizerInterface& rasterizer;
+
+ 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::unique_ptr<TSurface>>> surface_reserve;
+};
+
+} // namespace VideoCommon