From f315760dcff0bc255f733c7c55429428b3e615ff Mon Sep 17 00:00:00 2001
From: Unknown <gregoire.hage@gmail.com>
Date: Fri, 10 Aug 2018 23:58:32 +0200
Subject: [PATCH] Implement R8_UINT RenderTargetFormat & PixelFormat

used by Go Vacation
---
 src/video_core/gpu.cpp                        |  3 +
 src/video_core/gpu.h                          |  1 +
 .../renderer_opengl/gl_rasterizer_cache.cpp   | 38 +++++-----
 .../renderer_opengl/gl_rasterizer_cache.h     | 76 +++++++++++--------
 4 files changed, 69 insertions(+), 49 deletions(-)

diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index 4ff4d71c51..d69f06d8dc 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -44,6 +44,9 @@ u32 RenderTargetBytesPerPixel(RenderTargetFormat format) {
     case RenderTargetFormat::R32_FLOAT:
     case RenderTargetFormat::R11G11B10_FLOAT:
         return 4;
+    case RenderTargetFormat::R8_UNORM:
+    case RenderTargetFormat::R8_UINT:
+        return 1;
     default:
         UNIMPLEMENTED_MSG("Unimplemented render target format {}", static_cast<u32>(format));
     }
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index 874eddd78f..3c20f07bbc 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -37,6 +37,7 @@ enum class RenderTargetFormat : u32 {
     B5G6R5_UNORM = 0xE8,
     R16_FLOAT = 0xF2,
     R8_UNORM = 0xF3,
+    R8_UINT = 0xF6,
 };
 
 enum class DepthFormat : u32 {
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 9fb734b77a..e8e0d1dd06 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -98,6 +98,7 @@ static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_form
      false}, // A2B10G10R10
     {GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, ComponentType::UNorm, false}, // A1B5G5R5
     {GL_R8, GL_RED, GL_UNSIGNED_BYTE, ComponentType::UNorm, false},                    // R8
+    {GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, ComponentType::UInt, false},           // R8UI
     {GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, ComponentType::Float, false},                 // RGBA16F
     {GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, ComponentType::Float,
      false},                                                                     // R11FG11FB10F
@@ -228,24 +229,24 @@ void MortonCopy(u32 stride, u32 block_height, u32 height, std::vector<u8>& gl_bu
 static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPUVAddr),
                             SurfaceParams::MaxPixelFormat>
     morton_to_gl_fns = {
-        MortonCopy<true, PixelFormat::ABGR8>,        MortonCopy<true, PixelFormat::B5G6R5>,
-        MortonCopy<true, PixelFormat::A2B10G10R10>,  MortonCopy<true, PixelFormat::A1B5G5R5>,
-        MortonCopy<true, PixelFormat::R8>,           MortonCopy<true, PixelFormat::RGBA16F>,
-        MortonCopy<true, PixelFormat::R11FG11FB10F>, MortonCopy<true, PixelFormat::RGBA32UI>,
-        MortonCopy<true, PixelFormat::DXT1>,         MortonCopy<true, PixelFormat::DXT23>,
-        MortonCopy<true, PixelFormat::DXT45>,        MortonCopy<true, PixelFormat::DXN1>,
-        MortonCopy<true, PixelFormat::DXN2UNORM>,    MortonCopy<true, PixelFormat::DXN2SNORM>,
-        MortonCopy<true, PixelFormat::BC7U>,         MortonCopy<true, PixelFormat::ASTC_2D_4X4>,
-        MortonCopy<true, PixelFormat::G8R8>,         MortonCopy<true, PixelFormat::BGRA8>,
-        MortonCopy<true, PixelFormat::RGBA32F>,      MortonCopy<true, PixelFormat::RG32F>,
-        MortonCopy<true, PixelFormat::R32F>,         MortonCopy<true, PixelFormat::R16F>,
-        MortonCopy<true, PixelFormat::R16UNORM>,     MortonCopy<true, PixelFormat::RG16>,
-        MortonCopy<true, PixelFormat::RG16F>,        MortonCopy<true, PixelFormat::RG16UI>,
-        MortonCopy<true, PixelFormat::RG16I>,        MortonCopy<true, PixelFormat::RG16S>,
-        MortonCopy<true, PixelFormat::RGB32F>,       MortonCopy<true, PixelFormat::SRGBA8>,
-        MortonCopy<true, PixelFormat::Z24S8>,        MortonCopy<true, PixelFormat::S8Z24>,
-        MortonCopy<true, PixelFormat::Z32F>,         MortonCopy<true, PixelFormat::Z16>,
-        MortonCopy<true, PixelFormat::Z32FS8>,
+        MortonCopy<true, PixelFormat::ABGR8>,       MortonCopy<true, PixelFormat::B5G6R5>,
+        MortonCopy<true, PixelFormat::A2B10G10R10>, MortonCopy<true, PixelFormat::A1B5G5R5>,
+        MortonCopy<true, PixelFormat::R8>,          MortonCopy<true, PixelFormat::R8UI>,
+        MortonCopy<true, PixelFormat::RGBA16F>,     MortonCopy<true, PixelFormat::R11FG11FB10F>,
+        MortonCopy<true, PixelFormat::RGBA32UI>,    MortonCopy<true, PixelFormat::DXT1>,
+        MortonCopy<true, PixelFormat::DXT23>,       MortonCopy<true, PixelFormat::DXT45>,
+        MortonCopy<true, PixelFormat::DXN1>,        MortonCopy<true, PixelFormat::DXN2UNORM>,
+        MortonCopy<true, PixelFormat::DXN2SNORM>,   MortonCopy<true, PixelFormat::BC7U>,
+        MortonCopy<true, PixelFormat::ASTC_2D_4X4>, MortonCopy<true, PixelFormat::G8R8>,
+        MortonCopy<true, PixelFormat::BGRA8>,       MortonCopy<true, PixelFormat::RGBA32F>,
+        MortonCopy<true, PixelFormat::RG32F>,       MortonCopy<true, PixelFormat::R32F>,
+        MortonCopy<true, PixelFormat::R16F>,        MortonCopy<true, PixelFormat::R16UNORM>,
+        MortonCopy<true, PixelFormat::RG16>,        MortonCopy<true, PixelFormat::RG16F>,
+        MortonCopy<true, PixelFormat::RG16UI>,      MortonCopy<true, PixelFormat::RG16I>,
+        MortonCopy<true, PixelFormat::RG16S>,       MortonCopy<true, PixelFormat::RGB32F>,
+        MortonCopy<true, PixelFormat::SRGBA8>,      MortonCopy<true, PixelFormat::Z24S8>,
+        MortonCopy<true, PixelFormat::S8Z24>,       MortonCopy<true, PixelFormat::Z32F>,
+        MortonCopy<true, PixelFormat::Z16>,         MortonCopy<true, PixelFormat::Z32FS8>,
 };
 
 static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPUVAddr),
@@ -256,6 +257,7 @@ static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPU
         MortonCopy<false, PixelFormat::A2B10G10R10>,
         MortonCopy<false, PixelFormat::A1B5G5R5>,
         MortonCopy<false, PixelFormat::R8>,
+        MortonCopy<false, PixelFormat::R8UI>,
         MortonCopy<false, PixelFormat::RGBA16F>,
         MortonCopy<false, PixelFormat::R11FG11FB10F>,
         MortonCopy<false, PixelFormat::RGBA32UI>,
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 829a76dfe4..2291b38779 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -28,40 +28,41 @@ struct SurfaceParams {
         A2B10G10R10 = 2,
         A1B5G5R5 = 3,
         R8 = 4,
-        RGBA16F = 5,
-        R11FG11FB10F = 6,
-        RGBA32UI = 7,
-        DXT1 = 8,
-        DXT23 = 9,
-        DXT45 = 10,
-        DXN1 = 11, // This is also known as BC4
-        DXN2UNORM = 12,
-        DXN2SNORM = 13,
-        BC7U = 14,
-        ASTC_2D_4X4 = 15,
-        G8R8 = 16,
-        BGRA8 = 17,
-        RGBA32F = 18,
-        RG32F = 19,
-        R32F = 20,
-        R16F = 21,
-        R16UNORM = 22,
-        RG16 = 23,
-        RG16F = 24,
-        RG16UI = 25,
-        RG16I = 26,
-        RG16S = 27,
-        RGB32F = 28,
-        SRGBA8 = 29,
+        R8UI = 5,
+        RGBA16F = 6,
+        R11FG11FB10F = 7,
+        RGBA32UI = 8,
+        DXT1 = 9,
+        DXT23 = 10,
+        DXT45 = 11,
+        DXN1 = 12, // This is also known as BC4
+        DXN2UNORM = 13,
+        DXN2SNORM = 14,
+        BC7U = 15,
+        ASTC_2D_4X4 = 16,
+        G8R8 = 17,
+        BGRA8 = 18,
+        RGBA32F = 19,
+        RG32F = 20,
+        R32F = 21,
+        R16F = 22,
+        R16UNORM = 23,
+        RG16 = 24,
+        RG16F = 25,
+        RG16UI = 26,
+        RG16I = 27,
+        RG16S = 28,
+        RGB32F = 29,
+        SRGBA8 = 30,
 
         MaxColorFormat,
 
         // DepthStencil formats
-        Z24S8 = 30,
-        S8Z24 = 31,
-        Z32F = 32,
-        Z16 = 33,
-        Z32FS8 = 34,
+        Z24S8 = 31,
+        S8Z24 = 32,
+        Z32F = 33,
+        Z16 = 34,
+        Z32FS8 = 35,
 
         MaxDepthStencilFormat,
 
@@ -104,6 +105,7 @@ struct SurfaceParams {
             1, // A2B10G10R10
             1, // A1B5G5R5
             1, // R8
+            1, // R8UI
             1, // RGBA16F
             1, // R11FG11FB10F
             1, // RGBA32UI
@@ -150,6 +152,7 @@ struct SurfaceParams {
             32,  // A2B10G10R10
             16,  // A1B5G5R5
             8,   // R8
+            8,   // R8UI
             64,  // RGBA16F
             32,  // R11FG11FB10F
             128, // RGBA32UI
@@ -233,6 +236,8 @@ struct SurfaceParams {
             return PixelFormat::RGBA32UI;
         case Tegra::RenderTargetFormat::R8_UNORM:
             return PixelFormat::R8;
+        case Tegra::RenderTargetFormat::R8_UINT:
+            return PixelFormat::R8UI;
         case Tegra::RenderTargetFormat::RG16_FLOAT:
             return PixelFormat::RG16F;
         case Tegra::RenderTargetFormat::RG16_UINT:
@@ -266,7 +271,15 @@ struct SurfaceParams {
         case Tegra::Texture::TextureFormat::A1B5G5R5:
             return PixelFormat::A1B5G5R5;
         case Tegra::Texture::TextureFormat::R8:
-            return PixelFormat::R8;
+            switch (component_type) {
+            case Tegra::Texture::ComponentType::UNORM:
+                return PixelFormat::R8;
+            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:
             return PixelFormat::G8R8;
         case Tegra::Texture::TextureFormat::R16_G16_B16_A16:
@@ -390,6 +403,7 @@ struct SurfaceParams {
             return ComponentType::Float;
         case Tegra::RenderTargetFormat::RGBA32_UINT:
         case Tegra::RenderTargetFormat::RG16_UINT:
+        case Tegra::RenderTargetFormat::R8_UINT:
             return ComponentType::UInt;
         case Tegra::RenderTargetFormat::RG16_SINT:
             return ComponentType::SInt;