More correct implementation of RGB565 Framebuffer format

src/video_core/gpu.cpp

@@ -16,6 +16,7 @@ namespace Tegra {
 u32 FramebufferConfig::BytesPerPixel(PixelFormat format) {
     switch (format) {
     case PixelFormat::ABGR8:
+    case PixelFormat::RGB565:
         return 4;
     default:
         return 4;

src/video_core/renderer_opengl/renderer_opengl.cpp

@@ -308,6 +308,12 @@ void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
         texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
         gl_framebuffer_data.resize(texture.width * texture.height * 4);
         break;
+    case Tegra::FramebufferConfig::PixelFormat::RGB565:
+        internal_format = GL_RGB;
+        texture.gl_format = GL_RGB;
+        texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
+        gl_framebuffer_data.resize(texture.width * texture.height * 4);
+        break;
     default:
         internal_format = GL_RGBA;
         texture.gl_format = GL_RGBA;