forked from suyu/suyu
190 lines
6.6 KiB
C++
190 lines
6.6 KiB
C++
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// Copyright 2020 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/assert.h"
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#include "video_core/surface.h"
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#include "video_core/texture_cache/format_lookup_table.h"
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#include "video_core/texture_cache/image_info.h"
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#include "video_core/texture_cache/samples_helper.h"
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#include "video_core/texture_cache/types.h"
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#include "video_core/texture_cache/util.h"
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#include "video_core/textures/texture.h"
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namespace VideoCommon {
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using Tegra::Texture::TextureType;
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using Tegra::Texture::TICEntry;
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using VideoCore::Surface::PixelFormat;
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ImageInfo::ImageInfo(const TICEntry& config) noexcept {
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format = PixelFormatFromTextureInfo(config.format, config.r_type, config.g_type, config.b_type,
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config.a_type, config.srgb_conversion);
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num_samples = NumSamples(config.msaa_mode);
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resources.levels = config.max_mip_level + 1;
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if (config.IsPitchLinear()) {
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pitch = config.Pitch();
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} else if (config.IsBlockLinear()) {
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block = Extent3D{
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.width = config.block_width,
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.height = config.block_height,
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.depth = config.block_depth,
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};
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}
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tile_width_spacing = config.tile_width_spacing;
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if (config.texture_type != TextureType::Texture2D &&
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config.texture_type != TextureType::Texture2DNoMipmap) {
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ASSERT(!config.IsPitchLinear());
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}
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switch (config.texture_type) {
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case TextureType::Texture1D:
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ASSERT(config.BaseLayer() == 0);
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type = ImageType::e1D;
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size.width = config.Width();
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break;
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case TextureType::Texture1DArray:
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UNIMPLEMENTED_IF(config.BaseLayer() != 0);
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type = ImageType::e1D;
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size.width = config.Width();
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resources.layers = config.Depth();
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break;
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case TextureType::Texture2D:
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case TextureType::Texture2DNoMipmap:
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ASSERT(config.Depth() == 1);
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type = config.IsPitchLinear() ? ImageType::Linear : ImageType::e2D;
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size.width = config.Width();
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size.height = config.Height();
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resources.layers = config.BaseLayer() + 1;
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break;
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case TextureType::Texture2DArray:
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type = ImageType::e2D;
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size.width = config.Width();
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size.height = config.Height();
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resources.layers = config.BaseLayer() + config.Depth();
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break;
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case TextureType::TextureCubemap:
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ASSERT(config.Depth() == 1);
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type = ImageType::e2D;
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size.width = config.Width();
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size.height = config.Height();
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resources.layers = config.BaseLayer() + 6;
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break;
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case TextureType::TextureCubeArray:
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UNIMPLEMENTED_IF(config.load_store_hint != 0);
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type = ImageType::e2D;
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size.width = config.Width();
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size.height = config.Height();
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resources.layers = config.BaseLayer() + config.Depth() * 6;
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break;
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case TextureType::Texture3D:
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ASSERT(config.BaseLayer() == 0);
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type = ImageType::e3D;
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size.width = config.Width();
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size.height = config.Height();
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size.depth = config.Depth();
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break;
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case TextureType::Texture1DBuffer:
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type = ImageType::Buffer;
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size.width = config.Width();
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break;
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default:
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UNREACHABLE_MSG("Invalid texture_type={}", static_cast<int>(config.texture_type.Value()));
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break;
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}
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if (type != ImageType::Linear) {
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// FIXME: Call this without passing *this
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layer_stride = CalculateLayerStride(*this);
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maybe_unaligned_layer_stride = CalculateLayerSize(*this);
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}
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}
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ImageInfo::ImageInfo(const Tegra::Engines::Maxwell3D::Regs& regs, size_t index) noexcept {
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const auto& rt = regs.rt[index];
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format = VideoCore::Surface::PixelFormatFromRenderTargetFormat(rt.format);
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if (rt.tile_mode.is_pitch_linear) {
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ASSERT(rt.tile_mode.is_3d == 0);
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type = ImageType::Linear;
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pitch = rt.width;
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size = Extent3D{
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.width = pitch / BytesPerBlock(format),
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.height = rt.height,
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.depth = 1,
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};
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return;
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}
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size.width = rt.width;
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size.height = rt.height;
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layer_stride = rt.layer_stride * 4;
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maybe_unaligned_layer_stride = layer_stride;
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num_samples = NumSamples(regs.multisample_mode);
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block = Extent3D{
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.width = rt.tile_mode.block_width,
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.height = rt.tile_mode.block_height,
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.depth = rt.tile_mode.block_depth,
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};
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if (rt.tile_mode.is_3d) {
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type = ImageType::e3D;
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size.depth = rt.depth;
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} else {
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type = ImageType::e2D;
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resources.layers = rt.depth;
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}
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}
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ImageInfo::ImageInfo(const Tegra::Engines::Maxwell3D::Regs& regs) noexcept {
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format = VideoCore::Surface::PixelFormatFromDepthFormat(regs.zeta.format);
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size.width = regs.zeta_width;
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size.height = regs.zeta_height;
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resources.levels = 1;
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layer_stride = regs.zeta.layer_stride * 4;
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maybe_unaligned_layer_stride = layer_stride;
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num_samples = NumSamples(regs.multisample_mode);
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block = Extent3D{
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.width = regs.zeta.tile_mode.block_width,
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.height = regs.zeta.tile_mode.block_height,
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.depth = regs.zeta.tile_mode.block_depth,
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};
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if (regs.zeta.tile_mode.is_pitch_linear) {
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ASSERT(regs.zeta.tile_mode.is_3d == 0);
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type = ImageType::Linear;
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pitch = size.width * BytesPerBlock(format);
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} else if (regs.zeta.tile_mode.is_3d) {
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ASSERT(regs.zeta.tile_mode.is_pitch_linear == 0);
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type = ImageType::e3D;
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size.depth = regs.zeta_depth;
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} else {
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type = ImageType::e2D;
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resources.layers = regs.zeta_depth;
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}
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}
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ImageInfo::ImageInfo(const Tegra::Engines::Fermi2D::Surface& config) noexcept {
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UNIMPLEMENTED_IF_MSG(config.layer != 0, "Surface layer is not zero");
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format = VideoCore::Surface::PixelFormatFromRenderTargetFormat(config.format);
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if (config.linear == Tegra::Engines::Fermi2D::MemoryLayout::Pitch) {
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type = ImageType::Linear;
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size = Extent3D{
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.width = config.pitch / VideoCore::Surface::BytesPerBlock(format),
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.height = config.height,
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.depth = 1,
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};
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pitch = config.pitch;
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} else {
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type = config.block_depth > 0 ? ImageType::e3D : ImageType::e2D;
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block = Extent3D{
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.width = config.block_width,
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.height = config.block_height,
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.depth = config.block_depth,
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};
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// 3D blits with more than once slice are not implemented for now
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// Render to individual slices
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size = Extent3D{
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.width = config.width,
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.height = config.height,
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.depth = 1,
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};
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}
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}
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} // namespace VideoCommon
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