Merge pull request #9194 from FernandoS27/yfc-fermi2d

YFC - Fermi2D: Rework blit engine and add a software blitter.

src/video_core/engines/fermi_2d.cpp

@@ -3,17 +3,25 @@
 
 #include "common/assert.h"
 #include "common/logging/log.h"
+#include "common/microprofile.h"
 #include "video_core/engines/fermi_2d.h"
-#include "video_core/memory_manager.h"
+#include "video_core/engines/sw_blitter/blitter.h"
 #include "video_core/rasterizer_interface.h"
 #include "video_core/surface.h"
+#include "video_core/textures/decoders.h"
+
+MICROPROFILE_DECLARE(GPU_BlitEngine);
+MICROPROFILE_DEFINE(GPU_BlitEngine, "GPU", "Blit Engine", MP_RGB(224, 224, 128));
 
 using VideoCore::Surface::BytesPerBlock;
 using VideoCore::Surface::PixelFormatFromRenderTargetFormat;
 
 namespace Tegra::Engines {
 
-Fermi2D::Fermi2D() {
+using namespace Texture;
+
+Fermi2D::Fermi2D(MemoryManager& memory_manager_) {
+    sw_blitter = std::make_unique<Blitter::SoftwareBlitEngine>(memory_manager_);
     // Nvidia's OpenGL driver seems to assume these values
     regs.src.depth = 1;
     regs.dst.depth = 1;
@@ -42,6 +50,7 @@ void Fermi2D::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32
 }
 
 void Fermi2D::Blit() {
+    MICROPROFILE_SCOPE(GPU_BlitEngine);
     LOG_DEBUG(HW_GPU, "called. source address=0x{:x}, destination address=0x{:x}",
               regs.src.Address(), regs.dst.Address());
 
@@ -52,9 +61,16 @@ void Fermi2D::Blit() {
     UNIMPLEMENTED_IF_MSG(regs.clip_enable != 0, "Clipped blit enabled");
 
     const auto& args = regs.pixels_from_memory;
+    constexpr s64 null_derivate = 1ULL << 32;
+    Surface src = regs.src;
+    const auto bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(src.format));
+    const bool delegate_to_gpu = src.width > 512 && src.height > 512 && bytes_per_pixel <= 8 &&
+                                 src.format != regs.dst.format;
     Config config{
         .operation = regs.operation,
         .filter = args.sample_mode.filter,
+        .must_accelerate =
+            args.du_dx != null_derivate || args.dv_dy != null_derivate || delegate_to_gpu,
         .dst_x0 = args.dst_x0,
         .dst_y0 = args.dst_y0,
         .dst_x1 = args.dst_x0 + args.dst_width,
@@ -64,8 +80,7 @@ void Fermi2D::Blit() {
         .src_x1 = static_cast<s32>((args.du_dx * args.dst_width + args.src_x0) >> 32),
         .src_y1 = static_cast<s32>((args.dv_dy * args.dst_height + args.src_y0) >> 32),
     };
-    Surface src = regs.src;
-    const auto bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(src.format));
+
     const auto need_align_to_pitch =
         src.linear == Tegra::Engines::Fermi2D::MemoryLayout::Pitch &&
         static_cast<s32>(src.width) == config.src_x1 &&
@@ -78,8 +93,9 @@ void Fermi2D::Blit() {
         config.src_x1 -= config.src_x0;
         config.src_x0 = 0;
     }
+
     if (!rasterizer->AccelerateSurfaceCopy(src, regs.dst, config)) {
-        UNIMPLEMENTED();
+        sw_blitter->Blit(src, regs.dst, config);
     }
 }
 

src/video_core/engines/fermi_2d.h

@@ -5,6 +5,7 @@
 
 #include <array>
 #include <cstddef>
+#include <memory>
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -21,6 +22,10 @@ class RasterizerInterface;
 
 namespace Tegra::Engines {
 
+namespace Blitter {
+class SoftwareBlitEngine;
+}
+
 /**
  * This Engine is known as G80_2D. Documentation can be found in:
  * https://github.com/envytools/envytools/blob/master/rnndb/graph/g80_2d.xml
@@ -32,7 +37,7 @@ namespace Tegra::Engines {
 
 class Fermi2D final : public EngineInterface {
 public:
-    explicit Fermi2D();
+    explicit Fermi2D(MemoryManager& memory_manager_);
     ~Fermi2D() override;
 
     /// Binds a rasterizer to this engine.
@@ -286,6 +291,7 @@ public:
     struct Config {
         Operation operation;
         Filter filter;
+        bool must_accelerate;
         s32 dst_x0;
         s32 dst_y0;
         s32 dst_x1;
@@ -298,6 +304,7 @@ public:
 
 private:
     VideoCore::RasterizerInterface* rasterizer = nullptr;
+    std::unique_ptr<Blitter::SoftwareBlitEngine> sw_blitter;
 
     /// Performs the copy from the source surface to the destination surface as configured in the
     /// registers.

src/video_core/engines/maxwell_dma.cpp

@@ -62,7 +62,8 @@ void MaxwellDMA::Launch() {
 
         if (!is_src_pitch && !is_dst_pitch) {
             // If both the source and the destination are in block layout, assert.
-            UNIMPLEMENTED_MSG("Tiled->Tiled DMA transfers are not yet implemented");
+            CopyBlockLinearToBlockLinear();
+            ReleaseSemaphore();
             return;
         }
 
@@ -291,6 +292,70 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() {
     memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
 }
 
+void MaxwellDMA::CopyBlockLinearToBlockLinear() {
+    UNIMPLEMENTED_IF(regs.src_params.block_size.width != 0);
+
+    const bool is_remapping = regs.launch_dma.remap_enable != 0;
+
+    // Deswizzle the input and copy it over.
+    const Parameters& src = regs.src_params;
+    const Parameters& dst = regs.dst_params;
+
+    const u32 num_remap_components = regs.remap_const.num_dst_components_minus_one + 1;
+    const u32 remap_components_size = regs.remap_const.component_size_minus_one + 1;
+
+    const u32 base_bpp = !is_remapping ? 1U : num_remap_components * remap_components_size;
+
+    u32 src_width = src.width;
+    u32 dst_width = dst.width;
+    u32 x_elements = regs.line_length_in;
+    u32 src_x_offset = src.origin.x;
+    u32 dst_x_offset = dst.origin.x;
+    u32 bpp_shift = 0U;
+    if (!is_remapping) {
+        bpp_shift = Common::FoldRight(
+            4U, [](u32 x, u32 y) { return std::min(x, static_cast<u32>(std::countr_zero(y))); },
+            src_width, dst_width, x_elements, src_x_offset, dst_x_offset,
+            static_cast<u32>(regs.offset_in), static_cast<u32>(regs.offset_out));
+        src_width >>= bpp_shift;
+        dst_width >>= bpp_shift;
+        x_elements >>= bpp_shift;
+        src_x_offset >>= bpp_shift;
+        dst_x_offset >>= bpp_shift;
+    }
+
+    const u32 bytes_per_pixel = base_bpp << bpp_shift;
+    const size_t src_size = CalculateSize(true, bytes_per_pixel, src_width, src.height, src.depth,
+                                          src.block_size.height, src.block_size.depth);
+    const size_t dst_size = CalculateSize(true, bytes_per_pixel, dst_width, dst.height, dst.depth,
+                                          dst.block_size.height, dst.block_size.depth);
+
+    const u32 pitch = x_elements * bytes_per_pixel;
+    const size_t mid_buffer_size = pitch * regs.line_count;
+
+    if (read_buffer.size() < src_size) {
+        read_buffer.resize(src_size);
+    }
+    if (write_buffer.size() < dst_size) {
+        write_buffer.resize(dst_size);
+    }
+
+    intermediate_buffer.resize(mid_buffer_size);
+
+    memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
+    memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
+
+    UnswizzleSubrect(intermediate_buffer, read_buffer, bytes_per_pixel, src_width, src.height,
+                     src.depth, src_x_offset, src.origin.y, x_elements, regs.line_count,
+                     src.block_size.height, src.block_size.depth, pitch);
+
+    SwizzleSubrect(write_buffer, intermediate_buffer, bytes_per_pixel, dst_width, dst.height,
+                   dst.depth, dst_x_offset, dst.origin.y, x_elements, regs.line_count,
+                   dst.block_size.height, dst.block_size.depth, pitch);
+
+    memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size);
+}
+
 void MaxwellDMA::ReleaseSemaphore() {
     const auto type = regs.launch_dma.semaphore_type;
     const GPUVAddr address = regs.semaphore.address;

src/video_core/engines/maxwell_dma.h

@@ -223,6 +223,8 @@ private:
 
     void CopyPitchToBlockLinear();
 
+    void CopyBlockLinearToBlockLinear();
+
     void FastCopyBlockLinearToPitch();
 
     void ReleaseSemaphore();
@@ -234,6 +236,7 @@ private:
 
     std::vector<u8> read_buffer;
     std::vector<u8> write_buffer;
+    std::vector<u8> intermediate_buffer;
 
     static constexpr std::size_t NUM_REGS = 0x800;
     struct Regs {

src/video_core/engines/sw_blitter/blitter.cpp

@@ -0,0 +1,238 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include <algorithm>
+#include <cmath>
+#include <vector>
+
+#include "video_core/engines/sw_blitter/blitter.h"
+#include "video_core/engines/sw_blitter/converter.h"
+#include "video_core/memory_manager.h"
+#include "video_core/surface.h"
+#include "video_core/textures/decoders.h"
+
+namespace Tegra {
+class MemoryManager;
+}
+
+using VideoCore::Surface::BytesPerBlock;
+using VideoCore::Surface::PixelFormatFromRenderTargetFormat;
+
+namespace Tegra::Engines::Blitter {
+
+using namespace Texture;
+
+namespace {
+
+constexpr size_t ir_components = 4;
+
+void NearestNeighbor(std::span<const u8> input, std::span<u8> output, u32 src_width, u32 src_height,
+                     u32 dst_width, u32 dst_height, size_t bpp) {
+    const size_t dx_du = std::llround((static_cast<f64>(src_width) / dst_width) * (1ULL << 32));
+    const size_t dy_dv = std::llround((static_cast<f64>(src_height) / dst_height) * (1ULL << 32));
+    size_t src_y = 0;
+    for (u32 y = 0; y < dst_height; y++) {
+        size_t src_x = 0;
+        for (u32 x = 0; x < dst_width; x++) {
+            const size_t read_from = ((src_y * src_width + src_x) >> 32) * bpp;
+            const size_t write_to = (y * dst_width + x) * bpp;
+
+            std::memcpy(&output[write_to], &input[read_from], bpp);
+            src_x += dx_du;
+        }
+        src_y += dy_dv;
+    }
+}
+
+void NearestNeighborFast(std::span<const f32> input, std::span<f32> output, u32 src_width,
+                         u32 src_height, u32 dst_width, u32 dst_height) {
+    const size_t dx_du = std::llround((static_cast<f64>(src_width) / dst_width) * (1ULL << 32));
+    const size_t dy_dv = std::llround((static_cast<f64>(src_height) / dst_height) * (1ULL << 32));
+    size_t src_y = 0;
+    for (u32 y = 0; y < dst_height; y++) {
+        size_t src_x = 0;
+        for (u32 x = 0; x < dst_width; x++) {
+            const size_t read_from = ((src_y * src_width + src_x) >> 32) * ir_components;
+            const size_t write_to = (y * dst_width + x) * ir_components;
+
+            std::memcpy(&output[write_to], &input[read_from], sizeof(f32) * ir_components);
+            src_x += dx_du;
+        }
+        src_y += dy_dv;
+    }
+}
+
+void Bilinear(std::span<const f32> input, std::span<f32> output, size_t src_width,
+              size_t src_height, size_t dst_width, size_t dst_height) {
+    const auto bilinear_sample = [](std::span<const f32> x0_y0, std::span<const f32> x1_y0,
+                                    std::span<const f32> x0_y1, std::span<const f32> x1_y1,
+                                    f32 weight_x, f32 weight_y) {
+        std::array<f32, ir_components> result{};
+        for (size_t i = 0; i < ir_components; i++) {
+            const f32 a = std::lerp(x0_y0[i], x1_y0[i], weight_x);
+            const f32 b = std::lerp(x0_y1[i], x1_y1[i], weight_x);
+            result[i] = std::lerp(a, b, weight_y);
+        }
+        return result;
+    };
+    const f32 dx_du =
+        dst_width > 1 ? static_cast<f32>(src_width - 1) / static_cast<f32>(dst_width - 1) : 0.f;
+    const f32 dy_dv =
+        dst_height > 1 ? static_cast<f32>(src_height - 1) / static_cast<f32>(dst_height - 1) : 0.f;
+    for (u32 y = 0; y < dst_height; y++) {
+        for (u32 x = 0; x < dst_width; x++) {
+            const f32 x_low = std::floor(static_cast<f32>(x) * dx_du);
+            const f32 y_low = std::floor(static_cast<f32>(y) * dy_dv);
+            const f32 x_high = std::ceil(static_cast<f32>(x) * dx_du);
+            const f32 y_high = std::ceil(static_cast<f32>(y) * dy_dv);
+            const f32 weight_x = (static_cast<f32>(x) * dx_du) - x_low;
+            const f32 weight_y = (static_cast<f32>(y) * dy_dv) - y_low;
+
+            const auto read_src = [&](f32 in_x, f32 in_y) {
+                const size_t read_from =
+                    ((static_cast<size_t>(in_x) * src_width + static_cast<size_t>(in_y)) >> 32) *
+                    ir_components;
+                return std::span<const f32>(&input[read_from], ir_components);
+            };
+
+            auto x0_y0 = read_src(x_low, y_low);
+            auto x1_y0 = read_src(x_high, y_low);
+            auto x0_y1 = read_src(x_low, y_high);
+            auto x1_y1 = read_src(x_high, y_high);
+
+            const auto result = bilinear_sample(x0_y0, x1_y0, x0_y1, x1_y1, weight_x, weight_y);
+
+            const size_t write_to = (y * dst_width + x) * ir_components;
+
+            std::memcpy(&output[write_to], &result, sizeof(f32) * ir_components);
+        }
+    }
+}
+
+} // namespace
+
+struct SoftwareBlitEngine::BlitEngineImpl {
+    std::vector<u8> tmp_buffer;
+    std::vector<u8> src_buffer;
+    std::vector<u8> dst_buffer;
+    std::vector<f32> intermediate_src;
+    std::vector<f32> intermediate_dst;
+    ConverterFactory converter_factory;
+};
+
+SoftwareBlitEngine::SoftwareBlitEngine(MemoryManager& memory_manager_)
+    : memory_manager{memory_manager_} {
+    impl = std::make_unique<BlitEngineImpl>();
+}
+
+SoftwareBlitEngine::~SoftwareBlitEngine() = default;
+
+bool SoftwareBlitEngine::Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst,
+                              Fermi2D::Config& config) {
+    const auto get_surface_size = [](Fermi2D::Surface& surface, u32 bytes_per_pixel) {
+        if (surface.linear == Fermi2D::MemoryLayout::BlockLinear) {
+            return CalculateSize(true, bytes_per_pixel, surface.width, surface.height,
+                                 surface.depth, surface.block_height, surface.block_depth);
+        }
+        return static_cast<size_t>(surface.pitch * surface.height);
+    };
+    const auto process_pitch_linear = [](bool unpack, std::span<const u8> input,
+                                         std::span<u8> output, u32 extent_x, u32 extent_y,
+                                         u32 pitch, u32 x0, u32 y0, size_t bpp) {
+        const size_t base_offset = x0 * bpp;
+        const size_t copy_size = extent_x * bpp;
+        for (u32 y = y0; y < extent_y; y++) {
+            const size_t first_offset = y * pitch + base_offset;
+            const size_t second_offset = y * extent_x * bpp;
+            u8* write_to = unpack ? &output[first_offset] : &output[second_offset];
+            const u8* read_from = unpack ? &input[second_offset] : &input[first_offset];
+            std::memcpy(write_to, read_from, copy_size);
+        }
+    };
+
+    const u32 src_extent_x = config.src_x1 - config.src_x0;
+    const u32 src_extent_y = config.src_y1 - config.src_y0;
+
+    const u32 dst_extent_x = config.dst_x1 - config.dst_x0;
+    const u32 dst_extent_y = config.dst_y1 - config.dst_y0;
+    const auto src_bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(src.format));
+    const auto dst_bytes_per_pixel = BytesPerBlock(PixelFormatFromRenderTargetFormat(dst.format));
+    const size_t src_size = get_surface_size(src, src_bytes_per_pixel);
+    impl->tmp_buffer.resize(src_size);
+    memory_manager.ReadBlock(src.Address(), impl->tmp_buffer.data(), src_size);
+
+    const size_t src_copy_size = src_extent_x * src_extent_y * src_bytes_per_pixel;
+
+    const size_t dst_copy_size = dst_extent_x * dst_extent_y * dst_bytes_per_pixel;
+
+    impl->src_buffer.resize(src_copy_size);
+
+    const bool no_passthrough =
+        src.format != dst.format || src_extent_x != dst_extent_x || src_extent_y != dst_extent_y;
+
+    const auto convertion_phase_same_format = [&]() {
+        NearestNeighbor(impl->src_buffer, impl->dst_buffer, src_extent_x, src_extent_y,
+                        dst_extent_x, dst_extent_y, dst_bytes_per_pixel);
+    };
+
+    const auto convertion_phase_ir = [&]() {
+        auto* input_converter = impl->converter_factory.GetFormatConverter(src.format);
+        impl->intermediate_src.resize((src_copy_size / src_bytes_per_pixel) * ir_components);
+        impl->intermediate_dst.resize((dst_copy_size / dst_bytes_per_pixel) * ir_components);
+        input_converter->ConvertTo(impl->src_buffer, impl->intermediate_src);
+
+        if (config.filter != Fermi2D::Filter::Bilinear) {
+            NearestNeighborFast(impl->intermediate_src, impl->intermediate_dst, src_extent_x,
+                                src_extent_y, dst_extent_x, dst_extent_y);
+        } else {
+            Bilinear(impl->intermediate_src, impl->intermediate_dst, src_extent_x, src_extent_y,
+                     dst_extent_x, dst_extent_y);
+        }
+
+        auto* output_converter = impl->converter_factory.GetFormatConverter(dst.format);
+        output_converter->ConvertFrom(impl->intermediate_dst, impl->dst_buffer);
+    };
+
+    // Do actuall Blit
+
+    impl->dst_buffer.resize(dst_copy_size);
+    if (src.linear == Fermi2D::MemoryLayout::BlockLinear) {
+        UnswizzleSubrect(impl->src_buffer, impl->tmp_buffer, src_bytes_per_pixel, src.width,
+                         src.height, src.depth, config.src_x0, config.src_y0, src_extent_x,
+                         src_extent_y, src.block_height, src.block_depth,
+                         src_extent_x * src_bytes_per_pixel);
+    } else {
+        process_pitch_linear(false, impl->tmp_buffer, impl->src_buffer, src_extent_x, src_extent_y,
+                             src.pitch, config.src_x0, config.src_y0, src_bytes_per_pixel);
+    }
+
+    // Conversion Phase
+    if (no_passthrough) {
+        if (src.format != dst.format || config.filter == Fermi2D::Filter::Bilinear) {
+            convertion_phase_ir();
+        } else {
+            convertion_phase_same_format();
+        }
+    } else {
+        impl->dst_buffer.swap(impl->src_buffer);
+    }
+
+    const size_t dst_size = get_surface_size(dst, dst_bytes_per_pixel);
+    impl->tmp_buffer.resize(dst_size);
+    memory_manager.ReadBlock(dst.Address(), impl->tmp_buffer.data(), dst_size);
+
+    if (dst.linear == Fermi2D::MemoryLayout::BlockLinear) {
+        SwizzleSubrect(impl->tmp_buffer, impl->dst_buffer, dst_bytes_per_pixel, dst.width,
+                       dst.height, dst.depth, config.dst_x0, config.dst_y0, dst_extent_x,
+                       dst_extent_y, dst.block_height, dst.block_depth,
+                       dst_extent_x * dst_bytes_per_pixel);
+    } else {
+        process_pitch_linear(true, impl->dst_buffer, impl->tmp_buffer, dst_extent_x, dst_extent_y,
+                             dst.pitch, config.dst_x0, config.dst_y0,
+                             static_cast<size_t>(dst_bytes_per_pixel));
+    }
+    memory_manager.WriteBlock(dst.Address(), impl->tmp_buffer.data(), dst_size);
+    return true;
+}
+
+} // namespace Tegra::Engines::Blitter

src/video_core/engines/sw_blitter/blitter.h

@@ -0,0 +1,27 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "video_core/engines/fermi_2d.h"
+
+namespace Tegra {
+class MemoryManager;
+}
+
+namespace Tegra::Engines::Blitter {
+
+class SoftwareBlitEngine {
+public:
+    explicit SoftwareBlitEngine(MemoryManager& memory_manager_);
+    ~SoftwareBlitEngine();
+
+    bool Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst, Fermi2D::Config& copy_config);
+
+private:
+    MemoryManager& memory_manager;
+    struct BlitEngineImpl;
+    std::unique_ptr<BlitEngineImpl> impl;
+};
+
+} // namespace Tegra::Engines::Blitter

src/video_core/engines/sw_blitter/converter.h

@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <memory>
+#include <span>
+
+#include "common/common_types.h"
+
+#include "video_core/gpu.h"
+
+namespace Tegra::Engines::Blitter {
+
+class Converter {
+public:
+    virtual void ConvertTo(std::span<const u8> input, std::span<f32> output) = 0;
+    virtual void ConvertFrom(std::span<const f32> input, std::span<u8> output) = 0;
+    virtual ~Converter() = default;
+};
+
+class ConverterFactory {
+public:
+    ConverterFactory();
+    ~ConverterFactory();
+
+    Converter* GetFormatConverter(RenderTargetFormat format);
+
+private:
+    Converter* BuildConverter(RenderTargetFormat format);
+
+    struct ConverterFactoryImpl;
+    std::unique_ptr<ConverterFactoryImpl> impl;
+};
+
+} // namespace Tegra::Engines::Blitter

src/video_core/engines/sw_blitter/generate_converters.py

@@ -0,0 +1,136 @@
+# SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import re
+
+class Format:
+    def __init__(self, string_value):
+        self.name = string_value
+        tmp = string_value.split('_')
+        self.component_type = tmp[1]
+        component_data = re.findall(r"\w\d+", tmp[0])
+        self.num_components = len(component_data)
+        sizes = []
+        swizzle = []
+        for data in component_data:
+            swizzle.append(data[0])
+            sizes.append(int(data[1:]))
+        self.sizes = sizes
+        self.swizzle = swizzle
+
+    def build_component_type_array(self):
+        result = "{ "
+        b = False
+        for i in range(0, self.num_components):
+            if b:
+                result += ", "
+            b = True
+            result += "ComponentType::" + self.component_type
+        result += " }"
+        return result
+
+    def build_component_sizes_array(self):
+        result = "{ "
+        b = False
+        for i in range(0, self.num_components):
+            if b:
+                result += ", "
+            b = True
+            result += str(self.sizes[i])
+        result += " }"
+        return result
+
+    def build_component_swizzle_array(self):
+        result = "{ "
+        b = False
+        for i in range(0, self.num_components):
+            if b:
+                result += ", "
+            b = True
+            swizzle = self.swizzle[i]
+            if swizzle == "X":
+                swizzle = "None"
+            result += "Swizzle::" + swizzle
+        result += " }"
+        return result
+
+    def print_declaration(self):
+        print("struct " + self.name + "Traits {")
+        print("  static constexpr size_t num_components = " + str(self.num_components) + ";")
+        print("  static constexpr std::array<ComponentType, num_components> component_types = " + self.build_component_type_array() + ";")
+        print("  static constexpr std::array<size_t, num_components> component_sizes = " + self.build_component_sizes_array() + ";")
+        print("  static constexpr std::array<Swizzle, num_components> component_swizzle = " + self.build_component_swizzle_array() + ";")
+        print("};\n")
+
+    def print_case(self):
+        print("case RenderTargetFormat::" + self.name + ":")
+        print("  return impl->converters_cache")
+        print("    .emplace(format, std::make_unique<ConverterImpl<" + self.name + "Traits>>())")
+        print("    .first->second.get();")
+        print("  break;")
+
+txt = """
+R32G32B32A32_FLOAT
+R32G32B32A32_SINT
+R32G32B32A32_UINT
+R32G32B32X32_FLOAT
+R32G32B32X32_SINT
+R32G32B32X32_UINT
+R16G16B16A16_UNORM
+R16G16B16A16_SNORM
+R16G16B16A16_SINT
+R16G16B16A16_UINT
+R16G16B16A16_FLOAT
+R32G32_FLOAT
+R32G32_SINT
+R32G32_UINT
+R16G16B16X16_FLOAT
+A8R8G8B8_UNORM
+A8R8G8B8_SRGB
+A2B10G10R10_UNORM
+A2B10G10R10_UINT
+A2R10G10B10_UNORM
+A8B8G8R8_UNORM
+A8B8G8R8_SRGB
+A8B8G8R8_SNORM
+A8B8G8R8_SINT
+A8B8G8R8_UINT
+R16G16_UNORM
+R16G16_SNORM
+R16G16_SINT
+R16G16_UINT
+R16G16_FLOAT
+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()