1 files changed, 499 insertions, 0 deletions

diff --git a/src/video_core/surface.cpp b/src/video_core/surface.cpp
new file mode 100644
index 000000000..d9a97e30b
--- /dev/null
+++ b/src/video_core/surface.cpp
@@ -0,0 +1,499 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/common_types.h"
+#include "common/math_util.h"
+#include "video_core/surface.h"
+
+namespace VideoCore::Surface {
+
+SurfaceTarget SurfaceTargetFromTextureType(Tegra::Texture::TextureType texture_type) {
+    switch (texture_type) {
+    case Tegra::Texture::TextureType::Texture1D:
+        return SurfaceTarget::Texture1D;
+    case Tegra::Texture::TextureType::Texture2D:
+    case Tegra::Texture::TextureType::Texture2DNoMipmap:
+        return SurfaceTarget::Texture2D;
+    case Tegra::Texture::TextureType::Texture3D:
+        return SurfaceTarget::Texture3D;
+    case Tegra::Texture::TextureType::TextureCubemap:
+        return SurfaceTarget::TextureCubemap;
+    case Tegra::Texture::TextureType::Texture1DArray:
+        return SurfaceTarget::Texture1DArray;
+    case Tegra::Texture::TextureType::Texture2DArray:
+        return SurfaceTarget::Texture2DArray;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented texture_type={}", static_cast<u32>(texture_type));
+        UNREACHABLE();
+        return SurfaceTarget::Texture2D;
+    }
+}
+
+bool SurfaceTargetIsLayered(SurfaceTarget target) {
+    switch (target) {
+    case SurfaceTarget::Texture1D:
+    case SurfaceTarget::Texture2D:
+    case SurfaceTarget::Texture3D:
+        return false;
+    case SurfaceTarget::Texture1DArray:
+    case SurfaceTarget::Texture2DArray:
+    case SurfaceTarget::TextureCubemap:
+        return true;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented surface_target={}", static_cast<u32>(target));
+        UNREACHABLE();
+        return false;
+    }
+}
+
+PixelFormat PixelFormatFromDepthFormat(Tegra::DepthFormat format) {
+    switch (format) {
+    case Tegra::DepthFormat::S8_Z24_UNORM:
+        return PixelFormat::S8Z24;
+    case Tegra::DepthFormat::Z24_S8_UNORM:
+        return PixelFormat::Z24S8;
+    case Tegra::DepthFormat::Z32_FLOAT:
+        return PixelFormat::Z32F;
+    case Tegra::DepthFormat::Z16_UNORM:
+        return PixelFormat::Z16;
+    case Tegra::DepthFormat::Z32_S8_X24_FLOAT:
+        return PixelFormat::Z32FS8;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
+        UNREACHABLE();
+    }
+}
+
+PixelFormat PixelFormatFromRenderTargetFormat(Tegra::RenderTargetFormat format) {
+    switch (format) {
+        // TODO (Hexagon12): Converting SRGBA to RGBA is a hack and doesn't completely correct the
+        // gamma.
+    case Tegra::RenderTargetFormat::RGBA8_SRGB:
+        return PixelFormat::RGBA8_SRGB;
+    case Tegra::RenderTargetFormat::RGBA8_UNORM:
+        return PixelFormat::ABGR8U;
+    case Tegra::RenderTargetFormat::RGBA8_SNORM:
+        return PixelFormat::ABGR8S;
+    case Tegra::RenderTargetFormat::RGBA8_UINT:
+        return PixelFormat::ABGR8UI;
+    case Tegra::RenderTargetFormat::BGRA8_SRGB:
+        return PixelFormat::BGRA8_SRGB;
+    case Tegra::RenderTargetFormat::BGRA8_UNORM:
+        return PixelFormat::BGRA8;
+    case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
+        return PixelFormat::A2B10G10R10U;
+    case Tegra::RenderTargetFormat::RGBA16_FLOAT:
+        return PixelFormat::RGBA16F;
+    case Tegra::RenderTargetFormat::RGBA16_UNORM:
+        return PixelFormat::RGBA16U;
+    case Tegra::RenderTargetFormat::RGBA16_UINT:
+        return PixelFormat::RGBA16UI;
+    case Tegra::RenderTargetFormat::RGBA32_FLOAT:
+        return PixelFormat::RGBA32F;
+    case Tegra::RenderTargetFormat::RG32_FLOAT:
+        return PixelFormat::RG32F;
+    case Tegra::RenderTargetFormat::R11G11B10_FLOAT:
+        return PixelFormat::R11FG11FB10F;
+    case Tegra::RenderTargetFormat::B5G6R5_UNORM:
+        return PixelFormat::B5G6R5U;
+    case Tegra::RenderTargetFormat::BGR5A1_UNORM:
+        return PixelFormat::A1B5G5R5U;
+    case Tegra::RenderTargetFormat::RGBA32_UINT:
+        return PixelFormat::RGBA32UI;
+    case Tegra::RenderTargetFormat::R8_UNORM:
+        return PixelFormat::R8U;
+    case Tegra::RenderTargetFormat::R8_UINT:
+        return PixelFormat::R8UI;
+    case Tegra::RenderTargetFormat::RG16_FLOAT:
+        return PixelFormat::RG16F;
+    case Tegra::RenderTargetFormat::RG16_UINT:
+        return PixelFormat::RG16UI;
+    case Tegra::RenderTargetFormat::RG16_SINT:
+        return PixelFormat::RG16I;
+    case Tegra::RenderTargetFormat::RG16_UNORM:
+        return PixelFormat::RG16;
+    case Tegra::RenderTargetFormat::RG16_SNORM:
+        return PixelFormat::RG16S;
+    case Tegra::RenderTargetFormat::RG8_UNORM:
+        return PixelFormat::RG8U;
+    case Tegra::RenderTargetFormat::RG8_SNORM:
+        return PixelFormat::RG8S;
+    case Tegra::RenderTargetFormat::R16_FLOAT:
+        return PixelFormat::R16F;
+    case Tegra::RenderTargetFormat::R16_UNORM:
+        return PixelFormat::R16U;
+    case Tegra::RenderTargetFormat::R16_SNORM:
+        return PixelFormat::R16S;
+    case Tegra::RenderTargetFormat::R16_UINT:
+        return PixelFormat::R16UI;
+    case Tegra::RenderTargetFormat::R16_SINT:
+        return PixelFormat::R16I;
+    case Tegra::RenderTargetFormat::R32_FLOAT:
+        return PixelFormat::R32F;
+    case Tegra::RenderTargetFormat::R32_UINT:
+        return PixelFormat::R32UI;
+    case Tegra::RenderTargetFormat::RG32_UINT:
+        return PixelFormat::RG32UI;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
+        UNREACHABLE();
+    }
+}
+
+PixelFormat PixelFormatFromTextureFormat(Tegra::Texture::TextureFormat format,
+                                         Tegra::Texture::ComponentType component_type,
+                                         bool is_srgb) {
+    // TODO(Subv): Properly implement this
+    switch (format) {
+    case Tegra::Texture::TextureFormat::A8R8G8B8:
+        if (is_srgb) {
+            return PixelFormat::RGBA8_SRGB;
+        }
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::ABGR8U;
+        case Tegra::Texture::ComponentType::SNORM:
+            return PixelFormat::ABGR8S;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::ABGR8UI;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::B5G6R5:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::B5G6R5U;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::A2B10G10R10:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::A2B10G10R10U;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::A1B5G5R5:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::A1B5G5R5U;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R8:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::R8U;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::R8UI;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::G8R8:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::G8R8U;
+        case Tegra::Texture::ComponentType::SNORM:
+            return PixelFormat::G8R8S;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R16_G16_B16_A16:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::RGBA16U;
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::RGBA16F;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::BF10GF11RF11:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::R11FG11FB10F;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R32_G32_B32_A32:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::RGBA32F;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::RGBA32UI;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R32_G32:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::RG32F;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::RG32UI;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R32_G32_B32:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::RGB32F;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R16:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::R16F;
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::R16U;
+        case Tegra::Texture::ComponentType::SNORM:
+            return PixelFormat::R16S;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::R16UI;
+        case Tegra::Texture::ComponentType::SINT:
+            return PixelFormat::R16I;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::R32:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::R32F;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::R32UI;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::ZF32:
+        return PixelFormat::Z32F;
+    case Tegra::Texture::TextureFormat::Z16:
+        return PixelFormat::Z16;
+    case Tegra::Texture::TextureFormat::Z24S8:
+        return PixelFormat::Z24S8;
+    case Tegra::Texture::TextureFormat::DXT1:
+        return is_srgb ? PixelFormat::DXT1_SRGB : PixelFormat::DXT1;
+    case Tegra::Texture::TextureFormat::DXT23:
+        return is_srgb ? PixelFormat::DXT23_SRGB : PixelFormat::DXT23;
+    case Tegra::Texture::TextureFormat::DXT45:
+        return is_srgb ? PixelFormat::DXT45_SRGB : PixelFormat::DXT45;
+    case Tegra::Texture::TextureFormat::DXN1:
+        return PixelFormat::DXN1;
+    case Tegra::Texture::TextureFormat::DXN2:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::DXN2UNORM;
+        case Tegra::Texture::ComponentType::SNORM:
+            return PixelFormat::DXN2SNORM;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    case Tegra::Texture::TextureFormat::BC7U:
+        return is_srgb ? PixelFormat::BC7U_SRGB : PixelFormat::BC7U;
+    case Tegra::Texture::TextureFormat::BC6H_UF16:
+        return PixelFormat::BC6H_UF16;
+    case Tegra::Texture::TextureFormat::BC6H_SF16:
+        return PixelFormat::BC6H_SF16;
+    case Tegra::Texture::TextureFormat::ASTC_2D_4X4:
+        return is_srgb ? PixelFormat::ASTC_2D_4X4_SRGB : PixelFormat::ASTC_2D_4X4;
+    case Tegra::Texture::TextureFormat::ASTC_2D_5X4:
+        return is_srgb ? PixelFormat::ASTC_2D_5X4_SRGB : PixelFormat::ASTC_2D_5X4;
+    case Tegra::Texture::TextureFormat::ASTC_2D_8X8:
+        return is_srgb ? PixelFormat::ASTC_2D_8X8_SRGB : PixelFormat::ASTC_2D_8X8;
+    case Tegra::Texture::TextureFormat::ASTC_2D_8X5:
+        return is_srgb ? PixelFormat::ASTC_2D_8X5_SRGB : PixelFormat::ASTC_2D_8X5;
+    case Tegra::Texture::TextureFormat::R16_G16:
+        switch (component_type) {
+        case Tegra::Texture::ComponentType::FLOAT:
+            return PixelFormat::RG16F;
+        case Tegra::Texture::ComponentType::UNORM:
+            return PixelFormat::RG16;
+        case Tegra::Texture::ComponentType::SNORM:
+            return PixelFormat::RG16S;
+        case Tegra::Texture::ComponentType::UINT:
+            return PixelFormat::RG16UI;
+        case Tegra::Texture::ComponentType::SINT:
+            return PixelFormat::RG16I;
+        }
+        LOG_CRITICAL(HW_GPU, "Unimplemented component_type={}", static_cast<u32>(component_type));
+        UNREACHABLE();
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented format={}, component_type={}", static_cast<u32>(format),
+                     static_cast<u32>(component_type));
+        UNREACHABLE();
+    }
+}
+
+ComponentType ComponentTypeFromTexture(Tegra::Texture::ComponentType type) {
+    // TODO(Subv): Implement more component types
+    switch (type) {
+    case Tegra::Texture::ComponentType::UNORM:
+        return ComponentType::UNorm;
+    case Tegra::Texture::ComponentType::FLOAT:
+        return ComponentType::Float;
+    case Tegra::Texture::ComponentType::SNORM:
+        return ComponentType::SNorm;
+    case Tegra::Texture::ComponentType::UINT:
+        return ComponentType::UInt;
+    case Tegra::Texture::ComponentType::SINT:
+        return ComponentType::SInt;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented component type={}", static_cast<u32>(type));
+        UNREACHABLE();
+    }
+}
+
+ComponentType ComponentTypeFromRenderTarget(Tegra::RenderTargetFormat format) {
+    // TODO(Subv): Implement more render targets
+    switch (format) {
+    case Tegra::RenderTargetFormat::RGBA8_UNORM:
+    case Tegra::RenderTargetFormat::RGBA8_SRGB:
+    case Tegra::RenderTargetFormat::BGRA8_UNORM:
+    case Tegra::RenderTargetFormat::BGRA8_SRGB:
+    case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
+    case Tegra::RenderTargetFormat::R8_UNORM:
+    case Tegra::RenderTargetFormat::RG16_UNORM:
+    case Tegra::RenderTargetFormat::R16_UNORM:
+    case Tegra::RenderTargetFormat::B5G6R5_UNORM:
+    case Tegra::RenderTargetFormat::BGR5A1_UNORM:
+    case Tegra::RenderTargetFormat::RG8_UNORM:
+    case Tegra::RenderTargetFormat::RGBA16_UNORM:
+        return ComponentType::UNorm;
+    case Tegra::RenderTargetFormat::RGBA8_SNORM:
+    case Tegra::RenderTargetFormat::RG16_SNORM:
+    case Tegra::RenderTargetFormat::R16_SNORM:
+    case Tegra::RenderTargetFormat::RG8_SNORM:
+        return ComponentType::SNorm;
+    case Tegra::RenderTargetFormat::RGBA16_FLOAT:
+    case Tegra::RenderTargetFormat::R11G11B10_FLOAT:
+    case Tegra::RenderTargetFormat::RGBA32_FLOAT:
+    case Tegra::RenderTargetFormat::RG32_FLOAT:
+    case Tegra::RenderTargetFormat::RG16_FLOAT:
+    case Tegra::RenderTargetFormat::R16_FLOAT:
+    case Tegra::RenderTargetFormat::R32_FLOAT:
+        return ComponentType::Float;
+    case Tegra::RenderTargetFormat::RGBA32_UINT:
+    case Tegra::RenderTargetFormat::RGBA16_UINT:
+    case Tegra::RenderTargetFormat::RG16_UINT:
+    case Tegra::RenderTargetFormat::R8_UINT:
+    case Tegra::RenderTargetFormat::R16_UINT:
+    case Tegra::RenderTargetFormat::RG32_UINT:
+    case Tegra::RenderTargetFormat::R32_UINT:
+    case Tegra::RenderTargetFormat::RGBA8_UINT:
+        return ComponentType::UInt;
+    case Tegra::RenderTargetFormat::RG16_SINT:
+    case Tegra::RenderTargetFormat::R16_SINT:
+        return ComponentType::SInt;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
+        UNREACHABLE();
+    }
+}
+
+PixelFormat PixelFormatFromGPUPixelFormat(Tegra::FramebufferConfig::PixelFormat format) {
+    switch (format) {
+    case Tegra::FramebufferConfig::PixelFormat::ABGR8:
+        return PixelFormat::ABGR8U;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
+        UNREACHABLE();
+    }
+}
+
+ComponentType ComponentTypeFromDepthFormat(Tegra::DepthFormat format) {
+    switch (format) {
+    case Tegra::DepthFormat::Z16_UNORM:
+    case Tegra::DepthFormat::S8_Z24_UNORM:
+    case Tegra::DepthFormat::Z24_S8_UNORM:
+        return ComponentType::UNorm;
+    case Tegra::DepthFormat::Z32_FLOAT:
+    case Tegra::DepthFormat::Z32_S8_X24_FLOAT:
+        return ComponentType::Float;
+    default:
+        LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
+        UNREACHABLE();
+    }
+}
+
+SurfaceType GetFormatType(PixelFormat pixel_format) {
+    if (static_cast<std::size_t>(pixel_format) <
+        static_cast<std::size_t>(PixelFormat::MaxColorFormat)) {
+        return SurfaceType::ColorTexture;
+    }
+
+    if (static_cast<std::size_t>(pixel_format) <
+        static_cast<std::size_t>(PixelFormat::MaxDepthFormat)) {
+        return SurfaceType::Depth;
+    }
+
+    if (static_cast<std::size_t>(pixel_format) <
+        static_cast<std::size_t>(PixelFormat::MaxDepthStencilFormat)) {
+        return SurfaceType::DepthStencil;
+    }
+
+    // TODO(Subv): Implement the other formats
+    ASSERT(false);
+
+    return SurfaceType::Invalid;
+}
+
+bool IsPixelFormatASTC(PixelFormat format) {
+    switch (format) {
+    case PixelFormat::ASTC_2D_4X4:
+    case PixelFormat::ASTC_2D_5X4:
+    case PixelFormat::ASTC_2D_8X8:
+    case PixelFormat::ASTC_2D_8X5:
+    case PixelFormat::ASTC_2D_4X4_SRGB:
+    case PixelFormat::ASTC_2D_5X4_SRGB:
+    case PixelFormat::ASTC_2D_8X8_SRGB:
+    case PixelFormat::ASTC_2D_8X5_SRGB:
+        return true;
+    default:
+        return false;
+    }
+}
+
+std::pair<u32, u32> GetASTCBlockSize(PixelFormat format) {
+    switch (format) {
+    case PixelFormat::ASTC_2D_4X4:
+        return {4, 4};
+    case PixelFormat::ASTC_2D_5X4:
+        return {5, 4};
+    case PixelFormat::ASTC_2D_8X8:
+        return {8, 8};
+    case PixelFormat::ASTC_2D_8X5:
+        return {8, 5};
+    case PixelFormat::ASTC_2D_4X4_SRGB:
+        return {4, 4};
+    case PixelFormat::ASTC_2D_5X4_SRGB:
+        return {5, 4};
+    case PixelFormat::ASTC_2D_8X8_SRGB:
+        return {8, 8};
+    case PixelFormat::ASTC_2D_8X5_SRGB:
+        return {8, 5};
+    default:
+        LOG_CRITICAL(HW_GPU, "Unhandled format: {}", static_cast<u32>(format));
+        UNREACHABLE();
+    }
+}
+
+bool IsFormatBCn(PixelFormat format) {
+    switch (format) {
+    case PixelFormat::DXT1:
+    case PixelFormat::DXT23:
+    case PixelFormat::DXT45:
+    case PixelFormat::DXN1:
+    case PixelFormat::DXN2SNORM:
+    case PixelFormat::DXN2UNORM:
+    case PixelFormat::BC7U:
+    case PixelFormat::BC6H_UF16:
+    case PixelFormat::BC6H_SF16:
+    case PixelFormat::DXT1_SRGB:
+    case PixelFormat::DXT23_SRGB:
+    case PixelFormat::DXT45_SRGB:
+    case PixelFormat::BC7U_SRGB:
+        return true;
+    }
+    return false;
+}
+
+} // namespace VideoCore::Surface