From 9764c13d6d2977903f407761b27d847c0056e1c4 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Wed, 30 Dec 2020 02:25:23 -0300 Subject: video_core: Rewrite the texture cache The current texture cache has several points that hurt maintainability and performance. It's easy to break unrelated parts of the cache when doing minor changes. The cache can easily forget valuable information about the cached textures by CPU writes or simply by its normal usage.The current texture cache has several points that hurt maintainability and performance. It's easy to break unrelated parts of the cache when doing minor changes. The cache can easily forget valuable information about the cached textures by CPU writes or simply by its normal usage. This commit aims to address those issues. --- src/video_core/texture_cache/image_info.cpp | 189 ++++++++++++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 src/video_core/texture_cache/image_info.cpp (limited to 'src/video_core/texture_cache/image_info.cpp') diff --git a/src/video_core/texture_cache/image_info.cpp b/src/video_core/texture_cache/image_info.cpp new file mode 100644 index 000000000..64fd7010a --- /dev/null +++ b/src/video_core/texture_cache/image_info.cpp @@ -0,0 +1,189 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" +#include "video_core/surface.h" +#include "video_core/texture_cache/format_lookup_table.h" +#include "video_core/texture_cache/image_info.h" +#include "video_core/texture_cache/samples_helper.h" +#include "video_core/texture_cache/types.h" +#include "video_core/texture_cache/util.h" +#include "video_core/textures/texture.h" + +namespace VideoCommon { + +using Tegra::Texture::TextureType; +using Tegra::Texture::TICEntry; +using VideoCore::Surface::PixelFormat; + +ImageInfo::ImageInfo(const TICEntry& config) noexcept { + format = PixelFormatFromTextureInfo(config.format, config.r_type, config.g_type, config.b_type, + config.a_type, config.srgb_conversion); + num_samples = NumSamples(config.msaa_mode); + resources.levels = config.max_mip_level + 1; + if (config.IsPitchLinear()) { + pitch = config.Pitch(); + } else if (config.IsBlockLinear()) { + block = Extent3D{ + .width = config.block_width, + .height = config.block_height, + .depth = config.block_depth, + }; + } + tile_width_spacing = config.tile_width_spacing; + if (config.texture_type != TextureType::Texture2D && + config.texture_type != TextureType::Texture2DNoMipmap) { + ASSERT(!config.IsPitchLinear()); + } + switch (config.texture_type) { + case TextureType::Texture1D: + ASSERT(config.BaseLayer() == 0); + type = ImageType::e1D; + size.width = config.Width(); + break; + case TextureType::Texture1DArray: + UNIMPLEMENTED_IF(config.BaseLayer() != 0); + type = ImageType::e1D; + size.width = config.Width(); + resources.layers = config.Depth(); + break; + case TextureType::Texture2D: + case TextureType::Texture2DNoMipmap: + ASSERT(config.Depth() == 1); + type = config.IsPitchLinear() ? ImageType::Linear : ImageType::e2D; + size.width = config.Width(); + size.height = config.Height(); + resources.layers = config.BaseLayer() + 1; + break; + case TextureType::Texture2DArray: + type = ImageType::e2D; + size.width = config.Width(); + size.height = config.Height(); + resources.layers = config.BaseLayer() + config.Depth(); + break; + case TextureType::TextureCubemap: + ASSERT(config.Depth() == 1); + type = ImageType::e2D; + size.width = config.Width(); + size.height = config.Height(); + resources.layers = config.BaseLayer() + 6; + break; + case TextureType::TextureCubeArray: + UNIMPLEMENTED_IF(config.load_store_hint != 0); + type = ImageType::e2D; + size.width = config.Width(); + size.height = config.Height(); + resources.layers = config.BaseLayer() + config.Depth() * 6; + break; + case TextureType::Texture3D: + ASSERT(config.BaseLayer() == 0); + type = ImageType::e3D; + size.width = config.Width(); + size.height = config.Height(); + size.depth = config.Depth(); + break; + case TextureType::Texture1DBuffer: + type = ImageType::Buffer; + size.width = config.Width(); + break; + default: + UNREACHABLE_MSG("Invalid texture_type={}", static_cast(config.texture_type.Value())); + break; + } + if (type != ImageType::Linear) { + // FIXME: Call this without passing *this + layer_stride = CalculateLayerStride(*this); + maybe_unaligned_layer_stride = CalculateLayerSize(*this); + } +} + +ImageInfo::ImageInfo(const Tegra::Engines::Maxwell3D::Regs& regs, size_t index) noexcept { + const auto& rt = regs.rt[index]; + format = VideoCore::Surface::PixelFormatFromRenderTargetFormat(rt.format); + if (rt.tile_mode.is_pitch_linear) { + ASSERT(rt.tile_mode.is_3d == 0); + type = ImageType::Linear; + pitch = rt.width; + size = Extent3D{ + .width = pitch / BytesPerBlock(format), + .height = rt.height, + .depth = 1, + }; + return; + } + size.width = rt.width; + size.height = rt.height; + layer_stride = rt.layer_stride * 4; + maybe_unaligned_layer_stride = layer_stride; + num_samples = NumSamples(regs.multisample_mode); + block = Extent3D{ + .width = rt.tile_mode.block_width, + .height = rt.tile_mode.block_height, + .depth = rt.tile_mode.block_depth, + }; + if (rt.tile_mode.is_3d) { + type = ImageType::e3D; + size.depth = rt.depth; + } else { + type = ImageType::e2D; + resources.layers = rt.depth; + } +} + +ImageInfo::ImageInfo(const Tegra::Engines::Maxwell3D::Regs& regs) noexcept { + format = VideoCore::Surface::PixelFormatFromDepthFormat(regs.zeta.format); + size.width = regs.zeta_width; + size.height = regs.zeta_height; + resources.levels = 1; + layer_stride = regs.zeta.layer_stride * 4; + maybe_unaligned_layer_stride = layer_stride; + num_samples = NumSamples(regs.multisample_mode); + block = Extent3D{ + .width = regs.zeta.tile_mode.block_width, + .height = regs.zeta.tile_mode.block_height, + .depth = regs.zeta.tile_mode.block_depth, + }; + if (regs.zeta.tile_mode.is_pitch_linear) { + ASSERT(regs.zeta.tile_mode.is_3d == 0); + type = ImageType::Linear; + pitch = size.width * BytesPerBlock(format); + } else if (regs.zeta.tile_mode.is_3d) { + ASSERT(regs.zeta.tile_mode.is_pitch_linear == 0); + type = ImageType::e3D; + size.depth = regs.zeta_depth; + } else { + type = ImageType::e2D; + resources.layers = regs.zeta_depth; + } +} + +ImageInfo::ImageInfo(const Tegra::Engines::Fermi2D::Surface& config) noexcept { + UNIMPLEMENTED_IF_MSG(config.layer != 0, "Surface layer is not zero"); + format = VideoCore::Surface::PixelFormatFromRenderTargetFormat(config.format); + if (config.linear == Tegra::Engines::Fermi2D::MemoryLayout::Pitch) { + type = ImageType::Linear; + size = Extent3D{ + .width = config.pitch / VideoCore::Surface::BytesPerBlock(format), + .height = config.height, + .depth = 1, + }; + pitch = config.pitch; + } else { + type = config.block_depth > 0 ? ImageType::e3D : ImageType::e2D; + block = Extent3D{ + .width = config.block_width, + .height = config.block_height, + .depth = config.block_depth, + }; + // 3D blits with more than once slice are not implemented for now + // Render to individual slices + size = Extent3D{ + .width = config.width, + .height = config.height, + .depth = 1, + }; + } +} + +} // namespace VideoCommon -- cgit v1.2.3