From 6e52f37d5ba4a11bcbcfbc2840554e3b7705a2c7 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Mon, 13 Aug 2018 00:34:20 -0400
Subject: renderer_opengl: Implement RenderTargetFormat::RGBA16_UNORM.

- Used by Breath of the Wild.
---
 src/video_core/gpu.cpp                             |  1 +
 src/video_core/gpu.h                               |  1 +
 .../renderer_opengl/gl_rasterizer_cache.cpp        |  3 +
 .../renderer_opengl/gl_rasterizer_cache.h          | 80 ++++++++++++----------
 4 files changed, 48 insertions(+), 37 deletions(-)

diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index c9f6b82b7..5a593c1f7 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -47,6 +47,7 @@ u32 RenderTargetBytesPerPixel(RenderTargetFormat format) {
     case RenderTargetFormat::RGBA32_UINT:
         return 16;
     case RenderTargetFormat::RGBA16_UINT:
+    case RenderTargetFormat::RGBA16_UNORM:
     case RenderTargetFormat::RGBA16_FLOAT:
     case RenderTargetFormat::RG32_FLOAT:
     case RenderTargetFormat::RG32_UINT:
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index 8a90a3a66..97dcccb92 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -20,6 +20,7 @@ enum class RenderTargetFormat : u32 {
     NONE = 0x0,
     RGBA32_FLOAT = 0xC0,
     RGBA32_UINT = 0xC2,
+    RGBA16_UNORM = 0xC6,
     RGBA16_UINT = 0xC9,
     RGBA16_FLOAT = 0xCA,
     RG32_FLOAT = 0xCB,
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 4b48ab8e2..b6329d2dc 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -101,6 +101,7 @@ static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_form
     {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_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, ComponentType::UNorm, false},              // RGBA16U
     {GL_RGBA16UI, GL_RGBA, GL_UNSIGNED_SHORT, ComponentType::UInt, false},             // RGBA16UI
     {GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, ComponentType::Float,
      false},                                                                     // R11FG11FB10F
@@ -247,6 +248,7 @@ static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPU
         MortonCopy<true, PixelFormat::R8>,
         MortonCopy<true, PixelFormat::R8UI>,
         MortonCopy<true, PixelFormat::RGBA16F>,
+        MortonCopy<true, PixelFormat::RGBA16U>,
         MortonCopy<true, PixelFormat::RGBA16UI>,
         MortonCopy<true, PixelFormat::R11FG11FB10F>,
         MortonCopy<true, PixelFormat::RGBA32UI>,
@@ -299,6 +301,7 @@ static constexpr std::array<void (*)(u32, u32, u32, std::vector<u8>&, Tegra::GPU
         MortonCopy<false, PixelFormat::R8>,
         MortonCopy<false, PixelFormat::R8UI>,
         MortonCopy<false, PixelFormat::RGBA16F>,
+        MortonCopy<false, PixelFormat::RGBA16U>,
         MortonCopy<false, PixelFormat::RGBA16UI>,
         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 630b40e77..36a41522b 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -31,47 +31,48 @@ struct SurfaceParams {
         R8 = 5,
         R8UI = 6,
         RGBA16F = 7,
-        RGBA16UI = 8,
-        R11FG11FB10F = 9,
-        RGBA32UI = 10,
-        DXT1 = 11,
-        DXT23 = 12,
-        DXT45 = 13,
-        DXN1 = 14, // This is also known as BC4
-        DXN2UNORM = 15,
-        DXN2SNORM = 16,
-        BC7U = 17,
-        ASTC_2D_4X4 = 18,
-        G8R8 = 19,
-        BGRA8 = 20,
-        RGBA32F = 21,
-        RG32F = 22,
-        R32F = 23,
-        R16F = 24,
-        R16UNORM = 25,
-        R16S = 26,
-        R16UI = 27,
-        R16I = 28,
-        RG16 = 29,
-        RG16F = 30,
-        RG16UI = 31,
-        RG16I = 32,
-        RG16S = 33,
-        RGB32F = 34,
-        SRGBA8 = 35,
-        RG8U = 36,
-        RG8S = 37,
-        RG32UI = 38,
-        R32UI = 39,
+        RGBA16U = 8,
+        RGBA16UI = 9,
+        R11FG11FB10F = 10,
+        RGBA32UI = 11,
+        DXT1 = 12,
+        DXT23 = 13,
+        DXT45 = 14,
+        DXN1 = 15, // This is also known as BC4
+        DXN2UNORM = 16,
+        DXN2SNORM = 17,
+        BC7U = 18,
+        ASTC_2D_4X4 = 19,
+        G8R8 = 20,
+        BGRA8 = 21,
+        RGBA32F = 22,
+        RG32F = 23,
+        R32F = 24,
+        R16F = 25,
+        R16UNORM = 26,
+        R16S = 27,
+        R16UI = 28,
+        R16I = 29,
+        RG16 = 30,
+        RG16F = 31,
+        RG16UI = 32,
+        RG16I = 33,
+        RG16S = 34,
+        RGB32F = 35,
+        SRGBA8 = 36,
+        RG8U = 37,
+        RG8S = 38,
+        RG32UI = 39,
+        R32UI = 40,
 
         MaxColorFormat,
 
         // DepthStencil formats
-        Z24S8 = 40,
-        S8Z24 = 41,
-        Z32F = 42,
-        Z16 = 43,
-        Z32FS8 = 44,
+        Z24S8 = 41,
+        S8Z24 = 42,
+        Z32F = 43,
+        Z16 = 44,
+        Z32FS8 = 45,
 
         MaxDepthStencilFormat,
 
@@ -117,6 +118,7 @@ struct SurfaceParams {
             1, // R8
             1, // R8UI
             1, // RGBA16F
+            1, // RGBA16U
             1, // RGBA16UI
             1, // R11FG11FB10F
             1, // RGBA32UI
@@ -173,6 +175,7 @@ struct SurfaceParams {
             8,   // R8
             8,   // R8UI
             64,  // RGBA16F
+            64,  // RGBA16U
             64,  // RGBA16UI
             32,  // R11FG11FB10F
             128, // RGBA32UI
@@ -253,6 +256,8 @@ struct SurfaceParams {
             return PixelFormat::A2B10G10R10;
         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:
@@ -469,6 +474,7 @@ struct SurfaceParams {
         case Tegra::RenderTargetFormat::R16_UNORM:
         case Tegra::RenderTargetFormat::B5G6R5_UNORM:
         case Tegra::RenderTargetFormat::RG8_UNORM:
+        case Tegra::RenderTargetFormat::RGBA16_UNORM:
             return ComponentType::UNorm;
         case Tegra::RenderTargetFormat::RGBA8_SNORM:
         case Tegra::RenderTargetFormat::RG16_SNORM:
-- 
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