Merge pull request #2278 from ReinUsesLisp/vc-texture-cache
video_core: Implement API agnostic view based texture cache
This commit is contained in:
bunnei
GitHub
commit
6951741a94
@ -106,6 +106,8 @@ add_library(video_core STATIC
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textures/decoders.cpp
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textures/decoders.h
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textures/texture.h
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texture_cache.cpp
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texture_cache.h
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video_core.cpp
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video_core.h
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)
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386
src/video_core/texture_cache.cpp
Normal file
386
src/video_core/texture_cache.cpp
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@ -0,0 +1,386 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/alignment.h"
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#include "common/assert.h"
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#include "common/cityhash.h"
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/surface.h"
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#include "video_core/texture_cache.h"
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#include "video_core/textures/decoders.h"
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#include "video_core/textures/texture.h"
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namespace VideoCommon {
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using VideoCore::Surface::SurfaceTarget;
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using VideoCore::Surface::ComponentTypeFromDepthFormat;
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using VideoCore::Surface::ComponentTypeFromRenderTarget;
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using VideoCore::Surface::ComponentTypeFromTexture;
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using VideoCore::Surface::PixelFormatFromDepthFormat;
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using VideoCore::Surface::PixelFormatFromRenderTargetFormat;
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using VideoCore::Surface::PixelFormatFromTextureFormat;
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using VideoCore::Surface::SurfaceTargetFromTextureType;
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constexpr u32 GetMipmapSize(bool uncompressed, u32 mip_size, u32 tile) {
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return uncompressed ? mip_size : std::max(1U, (mip_size + tile - 1) / tile);
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}
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SurfaceParams SurfaceParams::CreateForTexture(Core::System& system,
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const Tegra::Texture::FullTextureInfo& config) {
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SurfaceParams params;
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params.is_tiled = config.tic.IsTiled();
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params.block_width = params.is_tiled ? config.tic.BlockWidth() : 0,
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params.block_height = params.is_tiled ? config.tic.BlockHeight() : 0,
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params.block_depth = params.is_tiled ? config.tic.BlockDepth() : 0,
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params.tile_width_spacing = params.is_tiled ? (1 << config.tic.tile_width_spacing.Value()) : 1;
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params.pixel_format =
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PixelFormatFromTextureFormat(config.tic.format, config.tic.r_type.Value(), false);
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params.component_type = ComponentTypeFromTexture(config.tic.r_type.Value());
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params.type = GetFormatType(params.pixel_format);
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params.target = SurfaceTargetFromTextureType(config.tic.texture_type);
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params.width = Common::AlignUp(config.tic.Width(), GetCompressionFactor(params.pixel_format));
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params.height = Common::AlignUp(config.tic.Height(), GetCompressionFactor(params.pixel_format));
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params.depth = config.tic.Depth();
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if (params.target == SurfaceTarget::TextureCubemap ||
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params.target == SurfaceTarget::TextureCubeArray) {
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params.depth *= 6;
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}
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params.pitch = params.is_tiled ? 0 : config.tic.Pitch();
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params.unaligned_height = config.tic.Height();
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params.num_levels = config.tic.max_mip_level + 1;
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params.CalculateCachedValues();
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return params;
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}
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SurfaceParams SurfaceParams::CreateForDepthBuffer(
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Core::System& system, u32 zeta_width, u32 zeta_height, Tegra::DepthFormat format,
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u32 block_width, u32 block_height, u32 block_depth,
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Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout type) {
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SurfaceParams params;
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params.is_tiled = type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
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params.block_width = 1 << std::min(block_width, 5U);
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params.block_height = 1 << std::min(block_height, 5U);
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params.block_depth = 1 << std::min(block_depth, 5U);
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params.tile_width_spacing = 1;
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params.pixel_format = PixelFormatFromDepthFormat(format);
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params.component_type = ComponentTypeFromDepthFormat(format);
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params.type = GetFormatType(params.pixel_format);
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params.width = zeta_width;
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params.height = zeta_height;
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params.unaligned_height = zeta_height;
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params.target = SurfaceTarget::Texture2D;
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params.depth = 1;
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params.num_levels = 1;
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params.CalculateCachedValues();
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return params;
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}
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SurfaceParams SurfaceParams::CreateForFramebuffer(Core::System& system, std::size_t index) {
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const auto& config{system.GPU().Maxwell3D().regs.rt[index]};
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SurfaceParams params;
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params.is_tiled =
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config.memory_layout.type == Tegra::Engines::Maxwell3D::Regs::InvMemoryLayout::BlockLinear;
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params.block_width = 1 << config.memory_layout.block_width;
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params.block_height = 1 << config.memory_layout.block_height;
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params.block_depth = 1 << config.memory_layout.block_depth;
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params.tile_width_spacing = 1;
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params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
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params.component_type = ComponentTypeFromRenderTarget(config.format);
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params.type = GetFormatType(params.pixel_format);
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if (params.is_tiled) {
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params.width = config.width;
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} else {
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const u32 bpp = GetFormatBpp(params.pixel_format) / CHAR_BIT;
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params.pitch = config.width;
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params.width = params.pitch / bpp;
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}
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params.height = config.height;
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params.depth = 1;
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params.unaligned_height = config.height;
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params.target = SurfaceTarget::Texture2D;
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params.num_levels = 1;
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params.CalculateCachedValues();
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return params;
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}
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SurfaceParams SurfaceParams::CreateForFermiCopySurface(
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const Tegra::Engines::Fermi2D::Regs::Surface& config) {
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SurfaceParams params{};
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params.is_tiled = !config.linear;
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params.block_width = params.is_tiled ? std::min(config.BlockWidth(), 32U) : 0,
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params.block_height = params.is_tiled ? std::min(config.BlockHeight(), 32U) : 0,
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params.block_depth = params.is_tiled ? std::min(config.BlockDepth(), 32U) : 0,
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params.tile_width_spacing = 1;
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params.pixel_format = PixelFormatFromRenderTargetFormat(config.format);
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params.component_type = ComponentTypeFromRenderTarget(config.format);
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params.type = GetFormatType(params.pixel_format);
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params.width = config.width;
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params.height = config.height;
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params.unaligned_height = config.height;
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// TODO(Rodrigo): Try to guess the surface target from depth and layer parameters
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params.target = SurfaceTarget::Texture2D;
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params.depth = 1;
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params.num_levels = 1;
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params.CalculateCachedValues();
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return params;
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}
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u32 SurfaceParams::GetMipWidth(u32 level) const {
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return std::max(1U, width >> level);
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}
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u32 SurfaceParams::GetMipHeight(u32 level) const {
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return std::max(1U, height >> level);
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}
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u32 SurfaceParams::GetMipDepth(u32 level) const {
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return IsLayered() ? depth : std::max(1U, depth >> level);
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}
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bool SurfaceParams::IsLayered() const {
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switch (target) {
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case SurfaceTarget::Texture1DArray:
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case SurfaceTarget::Texture2DArray:
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case SurfaceTarget::TextureCubeArray:
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case SurfaceTarget::TextureCubemap:
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return true;
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default:
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return false;
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}
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}
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u32 SurfaceParams::GetMipBlockHeight(u32 level) const {
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// Auto block resizing algorithm from:
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// https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nv50/nv50_miptree.c
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if (level == 0) {
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return block_height;
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}
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const u32 height{GetMipHeight(level)};
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const u32 default_block_height{GetDefaultBlockHeight(pixel_format)};
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const u32 blocks_in_y{(height + default_block_height - 1) / default_block_height};
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u32 block_height = 16;
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while (block_height > 1 && blocks_in_y <= block_height * 4) {
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block_height >>= 1;
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}
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return block_height;
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}
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u32 SurfaceParams::GetMipBlockDepth(u32 level) const {
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if (level == 0)
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return block_depth;
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if (target != SurfaceTarget::Texture3D)
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return 1;
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const u32 depth{GetMipDepth(level)};
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u32 block_depth = 32;
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while (block_depth > 1 && depth * 2 <= block_depth) {
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block_depth >>= 1;
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}
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if (block_depth == 32 && GetMipBlockHeight(level) >= 4) {
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return 16;
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}
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return block_depth;
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}
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std::size_t SurfaceParams::GetGuestMipmapLevelOffset(u32 level) const {
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std::size_t offset = 0;
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for (u32 i = 0; i < level; i++) {
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offset += GetInnerMipmapMemorySize(i, false, IsLayered(), false);
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}
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return offset;
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}
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std::size_t SurfaceParams::GetHostMipmapLevelOffset(u32 level) const {
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std::size_t offset = 0;
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for (u32 i = 0; i < level; i++) {
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offset += GetInnerMipmapMemorySize(i, true, false, false);
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}
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return offset;
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}
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std::size_t SurfaceParams::GetGuestLayerSize() const {
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return GetInnerMemorySize(false, true, false);
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}
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std::size_t SurfaceParams::GetHostLayerSize(u32 level) const {
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return GetInnerMipmapMemorySize(level, true, IsLayered(), false);
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}
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bool SurfaceParams::IsFamiliar(const SurfaceParams& view_params) const {
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if (std::tie(is_tiled, tile_width_spacing, pixel_format, component_type, type) !=
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std::tie(view_params.is_tiled, view_params.tile_width_spacing, view_params.pixel_format,
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view_params.component_type, view_params.type)) {
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return false;
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}
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const SurfaceTarget view_target{view_params.target};
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if (view_target == target) {
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return true;
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}
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switch (target) {
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case SurfaceTarget::Texture1D:
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case SurfaceTarget::Texture2D:
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case SurfaceTarget::Texture3D:
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return false;
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case SurfaceTarget::Texture1DArray:
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return view_target == SurfaceTarget::Texture1D;
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case SurfaceTarget::Texture2DArray:
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return view_target == SurfaceTarget::Texture2D;
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case SurfaceTarget::TextureCubemap:
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return view_target == SurfaceTarget::Texture2D ||
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view_target == SurfaceTarget::Texture2DArray;
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case SurfaceTarget::TextureCubeArray:
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return view_target == SurfaceTarget::Texture2D ||
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view_target == SurfaceTarget::Texture2DArray ||
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view_target == SurfaceTarget::TextureCubemap;
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default:
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UNIMPLEMENTED_MSG("Unimplemented texture family={}", static_cast<u32>(target));
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return false;
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}
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}
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bool SurfaceParams::IsPixelFormatZeta() const {
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return pixel_format >= VideoCore::Surface::PixelFormat::MaxColorFormat &&
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pixel_format < VideoCore::Surface::PixelFormat::MaxDepthStencilFormat;
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}
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void SurfaceParams::CalculateCachedValues() {
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guest_size_in_bytes = GetInnerMemorySize(false, false, false);
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// ASTC is uncompressed in software, in emulated as RGBA8
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if (IsPixelFormatASTC(pixel_format)) {
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host_size_in_bytes = width * height * depth * 4;
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} else {
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host_size_in_bytes = GetInnerMemorySize(true, false, false);
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}
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switch (target) {
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case SurfaceTarget::Texture1D:
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case SurfaceTarget::Texture2D:
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case SurfaceTarget::Texture3D:
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num_layers = 1;
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break;
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case SurfaceTarget::Texture1DArray:
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case SurfaceTarget::Texture2DArray:
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case SurfaceTarget::TextureCubemap:
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case SurfaceTarget::TextureCubeArray:
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num_layers = depth;
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break;
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default:
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UNREACHABLE();
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}
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}
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std::size_t SurfaceParams::GetInnerMipmapMemorySize(u32 level, bool as_host_size, bool layer_only,
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bool uncompressed) const {
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const bool tiled{as_host_size ? false : is_tiled};
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const u32 tile_x{GetDefaultBlockWidth(pixel_format)};
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const u32 tile_y{GetDefaultBlockHeight(pixel_format)};
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const u32 width{GetMipmapSize(uncompressed, GetMipWidth(level), tile_x)};
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const u32 height{GetMipmapSize(uncompressed, GetMipHeight(level), tile_y)};
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const u32 depth{layer_only ? 1U : GetMipDepth(level)};
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return Tegra::Texture::CalculateSize(tiled, GetBytesPerPixel(pixel_format), width, height,
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depth, GetMipBlockHeight(level), GetMipBlockDepth(level));
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}
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std::size_t SurfaceParams::GetInnerMemorySize(bool as_host_size, bool layer_only,
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bool uncompressed) const {
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std::size_t size = 0;
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for (u32 level = 0; level < num_levels; ++level) {
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size += GetInnerMipmapMemorySize(level, as_host_size, layer_only, uncompressed);
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}
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if (!as_host_size && is_tiled) {
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size = Common::AlignUp(size, Tegra::Texture::GetGOBSize() * block_height * block_depth);
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}
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return size;
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}
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std::map<u64, std::pair<u32, u32>> SurfaceParams::CreateViewOffsetMap() const {
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std::map<u64, std::pair<u32, u32>> view_offset_map;
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switch (target) {
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case SurfaceTarget::Texture1D:
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case SurfaceTarget::Texture2D:
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case SurfaceTarget::Texture3D: {
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constexpr u32 layer = 0;
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for (u32 level = 0; level < num_levels; ++level) {
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const std::size_t offset{GetGuestMipmapLevelOffset(level)};
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view_offset_map.insert({offset, {layer, level}});
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}
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break;
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}
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case SurfaceTarget::Texture1DArray:
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case SurfaceTarget::Texture2DArray:
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case SurfaceTarget::TextureCubemap:
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case SurfaceTarget::TextureCubeArray: {
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const std::size_t layer_size{GetGuestLayerSize()};
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for (u32 level = 0; level < num_levels; ++level) {
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const std::size_t level_offset{GetGuestMipmapLevelOffset(level)};
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for (u32 layer = 0; layer < num_layers; ++layer) {
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const auto layer_offset{static_cast<std::size_t>(layer_size * layer)};
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const std::size_t offset{level_offset + layer_offset};
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view_offset_map.insert({offset, {layer, level}});
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}
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}
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break;
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}
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default:
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UNIMPLEMENTED_MSG("Unimplemented surface target {}", static_cast<u32>(target));
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}
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return view_offset_map;
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}
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bool SurfaceParams::IsViewValid(const SurfaceParams& view_params, u32 layer, u32 level) const {
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return IsDimensionValid(view_params, level) && IsDepthValid(view_params, level) &&
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IsInBounds(view_params, layer, level);
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}
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bool SurfaceParams::IsDimensionValid(const SurfaceParams& view_params, u32 level) const {
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return view_params.width == GetMipWidth(level) && view_params.height == GetMipHeight(level);
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}
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bool SurfaceParams::IsDepthValid(const SurfaceParams& view_params, u32 level) const {
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if (view_params.target != SurfaceTarget::Texture3D) {
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return true;
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}
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return view_params.depth == GetMipDepth(level);
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}
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bool SurfaceParams::IsInBounds(const SurfaceParams& view_params, u32 layer, u32 level) const {
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return layer + view_params.num_layers <= num_layers &&
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level + view_params.num_levels <= num_levels;
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}
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std::size_t HasheableSurfaceParams::Hash() const {
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return static_cast<std::size_t>(
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Common::CityHash64(reinterpret_cast<const char*>(this), sizeof(*this)));
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}
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bool HasheableSurfaceParams::operator==(const HasheableSurfaceParams& rhs) const {
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return std::tie(is_tiled, block_width, block_height, block_depth, tile_width_spacing, width,
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height, depth, pitch, unaligned_height, num_levels, pixel_format,
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component_type, type, target) ==
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std::tie(rhs.is_tiled, rhs.block_width, rhs.block_height, rhs.block_depth,
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rhs.tile_width_spacing, rhs.width, rhs.height, rhs.depth, rhs.pitch,
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rhs.unaligned_height, rhs.num_levels, rhs.pixel_format, rhs.component_type,
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rhs.type, rhs.target);
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}
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std::size_t ViewKey::Hash() const {
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return static_cast<std::size_t>(
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Common::CityHash64(reinterpret_cast<const char*>(this), sizeof(*this)));
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}
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bool ViewKey::operator==(const ViewKey& rhs) const {
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return std::tie(base_layer, num_layers, base_level, num_levels) ==
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std::tie(rhs.base_layer, rhs.num_layers, rhs.base_level, rhs.num_levels);
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}
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} // namespace VideoCommon
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586
src/video_core/texture_cache.h
Normal file
586
src/video_core/texture_cache.h
Normal file
@ -0,0 +1,586 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <list>
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#include <memory>
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#include <set>
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#include <tuple>
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#include <type_traits>
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#include <unordered_map>
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#include <boost/icl/interval_map.hpp>
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#include <boost/range/iterator_range.hpp>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "core/memory.h"
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#include "video_core/engines/fermi_2d.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/gpu.h"
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#include "video_core/rasterizer_interface.h"
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#include "video_core/surface.h"
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namespace Core {
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class System;
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}
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||||
|
||||
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
|
||||
Loading…
Reference in New Issue
Block a user