From 95691e1a8db97824a371de71e9525e1063d369ae Mon Sep 17 00:00:00 2001
From: Melissa Goad <alegend45@gmail.com>
Date: Thu, 19 Apr 2018 03:29:29 -0500
Subject: [PATCH] Add RGB10_A2 texture formats

---
 src/video_core/renderer_opengl/gl_rasterizer_cache.cpp | 3 +++
 src/video_core/renderer_opengl/gl_rasterizer_cache.h   | 6 ++++++
 src/video_core/textures/texture.h                      | 1 +
 3 files changed, 10 insertions(+)

diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 2a0858eac3..fd66039069 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -52,6 +52,7 @@ static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_form
     {GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, false, 1},                   // ABGR8
     {GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, false, 1},                      // B5G6R5
     {GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, true, 16}, // DXT1
+    {GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, false, 1}, // RGB10_A2
 }};
 
 static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
@@ -124,6 +125,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, VAddr, VAddr, VAddr),
         MortonCopy<true, PixelFormat::ABGR8>,
         MortonCopy<true, PixelFormat::B5G6R5>,
         MortonCopy<true, PixelFormat::DXT1>,
+        MortonCopy<true, PixelFormat::RGB10_A2>,
 };
 
 static constexpr std::array<void (*)(u32, u32, u32, u8*, VAddr, VAddr, VAddr),
@@ -133,6 +135,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, VAddr, VAddr, VAddr),
         MortonCopy<false, PixelFormat::B5G6R5>,
         // TODO(Subv): Swizzling the DXT1 format is not yet supported
         nullptr,
+        MortonCopy<false, PixelFormat::RGB10_A2>,
 };
 
 // Allocate an uninitialized texture of appropriate size and format for the surface
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index 23e4d02d84..139fc65d23 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -55,6 +55,7 @@ struct SurfaceParams {
         ABGR8 = 0,
         B5G6R5 = 1,
         DXT1 = 2,
+        RGB10_A2 = 3,
 
         Max,
         Invalid = 255,
@@ -87,6 +88,7 @@ struct SurfaceParams {
             32, // ABGR8
             16, // B5G6R5
             64, // DXT1
+            32, // RGB10_A2
         };
 
         ASSERT(static_cast<size_t>(format) < bpp_table.size());
@@ -100,6 +102,8 @@ struct SurfaceParams {
         switch (format) {
         case Tegra::RenderTargetFormat::RGBA8_UNORM:
             return PixelFormat::ABGR8;
+        case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
+            return PixelFormat::RGB10_A2;
         default:
             NGLOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
             UNREACHABLE();
@@ -140,6 +144,8 @@ struct SurfaceParams {
             return Tegra::Texture::TextureFormat::B5G6R5;
         case PixelFormat::DXT1:
             return Tegra::Texture::TextureFormat::DXT1;
+        case PixelFormat::RGB10_A2:
+            return Tegra::Texture::TextureFormat::RGB10_A2;
         default:
             UNREACHABLE();
         }
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
index 86e45aa882..200169c14b 100644
--- a/src/video_core/textures/texture.h
+++ b/src/video_core/textures/texture.h
@@ -19,6 +19,7 @@ enum class TextureFormat : u32 {
     DXT1 = 0x24,
     DXT23 = 0x25,
     DXT45 = 0x26,
+    RGB10_A2 = 0xD1,
 };
 
 enum class TextureType : u32 {