mirror of https://git.suyu.dev/suyu/suyu
Merge pull request #9194 from FernandoS27/yfc-fermi2d
YFC - Fermi2D: Rework blit engine and add a software blitter.merge-requests/60/head
liamwhite
GitHub
commit
20b62dbd30
@ -0,0 +1,238 @@
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include <algorithm>
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#include <cmath>
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#include <vector>
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#include "video_core/engines/sw_blitter/blitter.h"
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#include "video_core/engines/sw_blitter/converter.h"
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#include "video_core/memory_manager.h"
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#include "video_core/surface.h"
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#include "video_core/textures/decoders.h"
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namespace Tegra {
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class MemoryManager;
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}
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using VideoCore::Surface::BytesPerBlock;
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using VideoCore::Surface::PixelFormatFromRenderTargetFormat;
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namespace Tegra::Engines::Blitter {
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using namespace Texture;
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namespace {
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constexpr size_t ir_components = 4;
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void NearestNeighbor(std::span<const u8> input, std::span<u8> output, u32 src_width, u32 src_height,
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u32 dst_width, u32 dst_height, size_t bpp) {
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const size_t dx_du = std::llround((static_cast<f64>(src_width) / dst_width) * (1ULL << 32));
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const size_t dy_dv = std::llround((static_cast<f64>(src_height) / dst_height) * (1ULL << 32));
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size_t src_y = 0;
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for (u32 y = 0; y < dst_height; y++) {
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size_t src_x = 0;
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for (u32 x = 0; x < dst_width; x++) {
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const size_t read_from = ((src_y * src_width + src_x) >> 32) * bpp;
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const size_t write_to = (y * dst_width + x) * bpp;
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std::memcpy(&output[write_to], &input[read_from], bpp);
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src_x += dx_du;
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}
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src_y += dy_dv;
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}
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}
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void NearestNeighborFast(std::span<const f32> input, std::span<f32> output, u32 src_width,
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u32 src_height, u32 dst_width, u32 dst_height) {
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const size_t dx_du = std::llround((static_cast<f64>(src_width) / dst_width) * (1ULL << 32));
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const size_t dy_dv = std::llround((static_cast<f64>(src_height) / dst_height) * (1ULL << 32));
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size_t src_y = 0;
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for (u32 y = 0; y < dst_height; y++) {
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size_t src_x = 0;
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for (u32 x = 0; x < dst_width; x++) {
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const size_t read_from = ((src_y * src_width + src_x) >> 32) * ir_components;
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const size_t write_to = (y * dst_width + x) * ir_components;
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std::memcpy(&output[write_to], &input[read_from], sizeof(f32) * ir_components);
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src_x += dx_du;
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}
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src_y += dy_dv;
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}
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}
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void Bilinear(std::span<const f32> input, std::span<f32> output, size_t src_width,
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size_t src_height, size_t dst_width, size_t dst_height) {
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const auto bilinear_sample = [](std::span<const f32> x0_y0, std::span<const f32> x1_y0,
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std::span<const f32> x0_y1, std::span<const f32> x1_y1,
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f32 weight_x, f32 weight_y) {
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std::array<f32, ir_components> result{};
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for (size_t i = 0; i < ir_components; i++) {
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const f32 a = std::lerp(x0_y0[i], x1_y0[i], weight_x);
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const f32 b = std::lerp(x0_y1[i], x1_y1[i], weight_x);
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result[i] = std::lerp(a, b, weight_y);
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}
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return result;
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};
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const f32 dx_du =
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dst_width > 1 ? static_cast<f32>(src_width - 1) / static_cast<f32>(dst_width - 1) : 0.f;
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const f32 dy_dv =
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dst_height > 1 ? static_cast<f32>(src_height - 1) / static_cast<f32>(dst_height - 1) : 0.f;
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for (u32 y = 0; y < dst_height; y++) {
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for (u32 x = 0; x < dst_width; x++) {
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const f32 x_low = std::floor(static_cast<f32>(x) * dx_du);
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const f32 y_low = std::floor(static_cast<f32>(y) * dy_dv);
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const f32 x_high = std::ceil(static_cast<f32>(x) * dx_du);
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const f32 y_high = std::ceil(static_cast<f32>(y) * dy_dv);
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const f32 weight_x = (static_cast<f32>(x) * dx_du) - x_low;
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const f32 weight_y = (static_cast<f32>(y) * dy_dv) - y_low;
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const auto read_src = [&](f32 in_x, f32 in_y) {
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const size_t read_from =
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((static_cast<size_t>(in_x) * src_width + static_cast<size_t>(in_y)) >> 32) *
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ir_components;
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return std::span<const f32>(&input[read_from], ir_components);
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};
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auto x0_y0 = read_src(x_low, y_low);
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auto x1_y0 = read_src(x_high, y_low);
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auto x0_y1 = read_src(x_low, y_high);
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auto x1_y1 = read_src(x_high, y_high);
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const auto result = bilinear_sample(x0_y0, x1_y0, x0_y1, x1_y1, weight_x, weight_y);
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const size_t write_to = (y * dst_width + x) * ir_components;
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std::memcpy(&output[write_to], &result, sizeof(f32) * ir_components);
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}
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}
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}
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} // namespace
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struct SoftwareBlitEngine::BlitEngineImpl {
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std::vector<u8> tmp_buffer;
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std::vector<u8> src_buffer;
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std::vector<u8> dst_buffer;
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std::vector<f32> intermediate_src;
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std::vector<f32> intermediate_dst;
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ConverterFactory converter_factory;
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};
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SoftwareBlitEngine::SoftwareBlitEngine(MemoryManager& memory_manager_)
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: memory_manager{memory_manager_} {
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impl = std::make_unique<BlitEngineImpl>();
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}
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SoftwareBlitEngine::~SoftwareBlitEngine() = default;
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bool SoftwareBlitEngine::Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst,
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Fermi2D::Config& config) {
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const auto get_surface_size = [](Fermi2D::Surface& surface, u32 bytes_per_pixel) {
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if (surface.linear == Fermi2D::MemoryLayout::BlockLinear) {
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return CalculateSize(true, bytes_per_pixel, surface.width, surface.height,
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surface.depth, surface.block_height, surface.block_depth);
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}
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return static_cast<size_t>(surface.pitch * surface.height);
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};
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const auto process_pitch_linear = [](bool unpack, std::span<const u8> input,
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std::span<u8> output, u32 extent_x, u32 extent_y,
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u32 pitch, u32 x0, u32 y0, size_t bpp) {
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const size_t base_offset = x0 * bpp;
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const size_t copy_size = extent_x * bpp;
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for (u32 y = y0; y < extent_y; y++) {
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const size_t first_offset = y * pitch + base_offset;
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const size_t second_offset = y * extent_x * bpp;
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u8* write_to = unpack ? &output[first_offset] : &output[second_offset];
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const u8* read_from = unpack ? &input[second_offset] : &input[first_offset];
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std::memcpy(write_to, read_from, copy_size);
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}
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};
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const u32 src_extent_x = config.src_x1 - config.src_x0;
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const u32 src_extent_y = config.src_y1 - config.src_y0;
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const u32 dst_extent_x = config.dst_x1 - config.dst_x0;
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const u32 dst_extent_y = config.dst_y1 - config.dst_y0;
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const auto src_bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(src.format));
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const auto dst_bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(dst.format));
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const size_t src_size = get_surface_size(src, src_bytes_per_pixel);
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impl->tmp_buffer.resize(src_size);
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memory_manager.ReadBlock(src.Address(), impl->tmp_buffer.data(), src_size);
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const size_t src_copy_size = src_extent_x * src_extent_y * src_bytes_per_pixel;
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const size_t dst_copy_size = dst_extent_x * dst_extent_y * dst_bytes_per_pixel;
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impl->src_buffer.resize(src_copy_size);
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const bool no_passthrough =
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src.format != dst.format || src_extent_x != dst_extent_x || src_extent_y != dst_extent_y;
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const auto convertion_phase_same_format = [&]() {
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NearestNeighbor(impl->src_buffer, impl->dst_buffer, src_extent_x, src_extent_y,
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dst_extent_x, dst_extent_y, dst_bytes_per_pixel);
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};
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const auto convertion_phase_ir = [&]() {
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auto* input_converter = impl->converter_factory.GetFormatConverter(src.format);
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impl->intermediate_src.resize((src_copy_size / src_bytes_per_pixel) * ir_components);
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impl->intermediate_dst.resize((dst_copy_size / dst_bytes_per_pixel) * ir_components);
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input_converter->ConvertTo(impl->src_buffer, impl->intermediate_src);
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if (config.filter != Fermi2D::Filter::Bilinear) {
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NearestNeighborFast(impl->intermediate_src, impl->intermediate_dst, src_extent_x,
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src_extent_y, dst_extent_x, dst_extent_y);
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} else {
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Bilinear(impl->intermediate_src, impl->intermediate_dst, src_extent_x, src_extent_y,
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dst_extent_x, dst_extent_y);
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}
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auto* output_converter = impl->converter_factory.GetFormatConverter(dst.format);
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output_converter->ConvertFrom(impl->intermediate_dst, impl->dst_buffer);
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};
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// Do actuall Blit
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impl->dst_buffer.resize(dst_copy_size);
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if (src.linear == Fermi2D::MemoryLayout::BlockLinear) {
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UnswizzleSubrect(impl->src_buffer, impl->tmp_buffer, src_bytes_per_pixel, src.width,
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src.height, src.depth, config.src_x0, config.src_y0, src_extent_x,
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src_extent_y, src.block_height, src.block_depth,
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src_extent_x * src_bytes_per_pixel);
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} else {
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process_pitch_linear(false, impl->tmp_buffer, impl->src_buffer, src_extent_x, src_extent_y,
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src.pitch, config.src_x0, config.src_y0, src_bytes_per_pixel);
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}
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// Conversion Phase
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if (no_passthrough) {
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if (src.format != dst.format || config.filter == Fermi2D::Filter::Bilinear) {
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convertion_phase_ir();
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} else {
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convertion_phase_same_format();
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}
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} else {
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impl->dst_buffer.swap(impl->src_buffer);
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}
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const size_t dst_size = get_surface_size(dst, dst_bytes_per_pixel);
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impl->tmp_buffer.resize(dst_size);
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memory_manager.ReadBlock(dst.Address(), impl->tmp_buffer.data(), dst_size);
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if (dst.linear == Fermi2D::MemoryLayout::BlockLinear) {
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SwizzleSubrect(impl->tmp_buffer, impl->dst_buffer, dst_bytes_per_pixel, dst.width,
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dst.height, dst.depth, config.dst_x0, config.dst_y0, dst_extent_x,
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dst_extent_y, dst.block_height, dst.block_depth,
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dst_extent_x * dst_bytes_per_pixel);
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} else {
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process_pitch_linear(true, impl->dst_buffer, impl->tmp_buffer, dst_extent_x, dst_extent_y,
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dst.pitch, config.dst_x0, config.dst_y0,
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static_cast<size_t>(dst_bytes_per_pixel));
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}
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memory_manager.WriteBlock(dst.Address(), impl->tmp_buffer.data(), dst_size);
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return true;
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}
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} // namespace Tegra::Engines::Blitter
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@ -0,0 +1,27 @@
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#pragma once
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#include "video_core/engines/fermi_2d.h"
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namespace Tegra {
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class MemoryManager;
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}
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namespace Tegra::Engines::Blitter {
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class SoftwareBlitEngine {
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public:
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explicit SoftwareBlitEngine(MemoryManager& memory_manager_);
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~SoftwareBlitEngine();
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bool Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst, Fermi2D::Config& copy_config);
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private:
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MemoryManager& memory_manager;
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struct BlitEngineImpl;
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std::unique_ptr<BlitEngineImpl> impl;
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};
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} // namespace Tegra::Engines::Blitter
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File diff suppressed because it is too large
Load Diff
@ -0,0 +1,36 @@
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#pragma once
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#include <memory>
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#include <span>
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#include "common/common_types.h"
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#include "video_core/gpu.h"
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namespace Tegra::Engines::Blitter {
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class Converter {
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public:
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virtual void ConvertTo(std::span<const u8> input, std::span<f32> output) = 0;
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virtual void ConvertFrom(std::span<const f32> input, std::span<u8> output) = 0;
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virtual ~Converter() = default;
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};
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class ConverterFactory {
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public:
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ConverterFactory();
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~ConverterFactory();
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Converter* GetFormatConverter(RenderTargetFormat format);
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private:
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Converter* BuildConverter(RenderTargetFormat format);
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struct ConverterFactoryImpl;
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std::unique_ptr<ConverterFactoryImpl> impl;
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};
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} // namespace Tegra::Engines::Blitter
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@ -0,0 +1,136 @@
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# SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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# SPDX-License-Identifier: GPL-3.0-or-later
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import re
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class Format:
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def __init__(self, string_value):
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self.name = string_value
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tmp = string_value.split('_')
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self.component_type = tmp[1]
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component_data = re.findall(r"\w\d+", tmp[0])
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self.num_components = len(component_data)
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sizes = []
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swizzle = []
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for data in component_data:
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swizzle.append(data[0])
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sizes.append(int(data[1:]))
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self.sizes = sizes
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self.swizzle = swizzle
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def build_component_type_array(self):
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result = "{ "
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b = False
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for i in range(0, self.num_components):
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if b:
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result += ", "
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b = True
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result += "ComponentType::" + self.component_type
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result += " }"
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return result
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def build_component_sizes_array(self):
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result = "{ "
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b = False
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for i in range(0, self.num_components):
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if b:
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result += ", "
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b = True
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result += str(self.sizes[i])
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result += " }"
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return result
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def build_component_swizzle_array(self):
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result = "{ "
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b = False
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for i in range(0, self.num_components):
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if b:
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result += ", "
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b = True
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swizzle = self.swizzle[i]
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if swizzle == "X":
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swizzle = "None"
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result += "Swizzle::" + swizzle
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result += " }"
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return result
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def print_declaration(self):
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print("struct " + self.name + "Traits {")
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print(" static constexpr size_t num_components = " + str(self.num_components) + ";")
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print(" static constexpr std::array<ComponentType, num_components> component_types = " + self.build_component_type_array() + ";")
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print(" static constexpr std::array<size_t, num_components> component_sizes = " + self.build_component_sizes_array() + ";")
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print(" static constexpr std::array<Swizzle, num_components> component_swizzle = " + self.build_component_swizzle_array() + ";")
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print("};\n")
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def print_case(self):
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print("case RenderTargetFormat::" + self.name + ":")
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print(" return impl->converters_cache")
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print(" .emplace(format, std::make_unique<ConverterImpl<" + self.name + "Traits>>())")
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print(" .first->second.get();")
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print(" break;")
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txt = """
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R32G32B32A32_FLOAT
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R32G32B32A32_SINT
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R32G32B32A32_UINT
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R32G32B32X32_FLOAT
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R32G32B32X32_SINT
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R32G32B32X32_UINT
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R16G16B16A16_UNORM
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R16G16B16A16_SNORM
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R16G16B16A16_SINT
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R16G16B16A16_UINT
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R16G16B16A16_FLOAT
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R32G32_FLOAT
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R32G32_SINT
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R32G32_UINT
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R16G16B16X16_FLOAT
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A8R8G8B8_UNORM
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A8R8G8B8_SRGB
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A2B10G10R10_UNORM
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A2B10G10R10_UINT
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A2R10G10B10_UNORM
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A8B8G8R8_UNORM
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A8B8G8R8_SRGB
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A8B8G8R8_SNORM
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A8B8G8R8_SINT
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A8B8G8R8_UINT
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R16G16_UNORM
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R16G16_SNORM
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R16G16_SINT
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R16G16_UINT
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R16G16_FLOAT
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||||
B10G11R11_FLOAT
|
||||
R32_SINT
|
||||
R32_UINT
|
||||
R32_FLOAT
|
||||
X8R8G8B8_UNORM
|
||||
X8R8G8B8_SRGB
|
||||
R5G6B5_UNORM
|
||||
A1R5G5B5_UNORM
|
||||
R8G8_UNORM
|
||||
R8G8_SNORM
|
||||
R8G8_SINT
|
||||
R8G8_UINT
|
||||
R16_UNORM
|
||||
R16_SNORM
|
||||
R16_SINT
|
||||
R16_UINT
|
||||
R16_FLOAT
|
||||
R8_UNORM
|
||||
R8_SNORM
|
||||
R8_SINT
|
||||
R8_UINT
|
||||
X1R5G5B5_UNORM
|
||||
X8B8G8R8_UNORM
|
||||
X8B8G8R8_SRGB
|
||||
"""
|
||||
|
||||
x = txt.split()
|
||||
y = list(map(lambda a: Format(a), x))
|
||||
formats = list(y)
|
||||
for format in formats:
|
||||
format.print_declaration()
|
||||
|
||||
for format in formats:
|
||||
format.print_case()
|
||||
Loading…
Reference in New Issue