diff options
Diffstat (limited to 'src/video_core/texture_cache.cpp')
-rw-r--r-- | src/video_core/texture_cache.cpp | 386 |
1 files changed, 386 insertions, 0 deletions
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 |