From 80702aa88f6f448decfbb06dc14db470c221dd38 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Wed, 21 Aug 2019 02:22:54 -0300
Subject: [PATCH] renderer_opengl: Implement RGB565 framebuffer format

---
 src/video_core/gpu.h                               | 1 +
 src/video_core/renderer_opengl/renderer_opengl.cpp | 6 +++++-
 src/video_core/surface.cpp                         | 5 +++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index dea9dfef0..1a7f5bdf2 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -91,6 +91,7 @@ class DebugContext;
 struct FramebufferConfig {
     enum class PixelFormat : u32 {
         ABGR8 = 1,
+        RGB565 = 4,
         BGRA8 = 5,
     };
 
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 8c44b330e..af9684839 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -285,7 +285,11 @@ void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
         internal_format = GL_RGBA8;
         texture.gl_format = GL_RGBA;
         texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
-
+        break;
+    case Tegra::FramebufferConfig::PixelFormat::RGB565:
+        internal_format = GL_RGB565;
+        texture.gl_format = GL_RGB;
+        texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
         break;
     default:
         internal_format = GL_RGBA8;
diff --git a/src/video_core/surface.cpp b/src/video_core/surface.cpp
index c50f6354d..4ceb219be 100644
--- a/src/video_core/surface.cpp
+++ b/src/video_core/surface.cpp
@@ -445,11 +445,12 @@ PixelFormat PixelFormatFromGPUPixelFormat(Tegra::FramebufferConfig::PixelFormat
     switch (format) {
     case Tegra::FramebufferConfig::PixelFormat::ABGR8:
         return PixelFormat::ABGR8U;
+    case Tegra::FramebufferConfig::PixelFormat::RGB565:
+        return PixelFormat::B5G6R5U;
     case Tegra::FramebufferConfig::PixelFormat::BGRA8:
         return PixelFormat::BGRA8;
     default:
-        LOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
-        UNREACHABLE();
+        UNIMPLEMENTED_MSG("Unimplemented format={}", static_cast<u32>(format));
         return PixelFormat::ABGR8U;
     }
 }