From 8615c5fc14aaad9f1a6e1937f9df3dbbcb8cf8dc Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 14 Sep 2020 15:30:49 +0100
Subject: [PATCH] Speculative support for 10-bit backbuffers on GL

---
 renderdoc/driver/gl/egl_hooks.cpp |  8 ++++++++
 renderdoc/driver/gl/gl_driver.cpp | 10 +++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/renderdoc/driver/gl/egl_hooks.cpp b/renderdoc/driver/gl/egl_hooks.cpp
index e5edbb5cb..c19b2f674 100644
--- a/renderdoc/driver/gl/egl_hooks.cpp
+++ b/renderdoc/driver/gl/egl_hooks.cpp
@@ -328,6 +328,14 @@ HOOK_EXPORT EGLContext EGLAPIENTRY eglCreateContext_renderdoc_hooked(EGLDisplay
   // We will set isSRGB when we see the surface.
   init.isSRGB = 0;
 
+  EGLint rgbSize[3] = {};
+  EGL.GetConfigAttrib(display, config, EGL_RED_SIZE, &rgbSize[0]);
+  EGL.GetConfigAttrib(display, config, EGL_GREEN_SIZE, &rgbSize[1]);
+  EGL.GetConfigAttrib(display, config, EGL_BLUE_SIZE, &rgbSize[2]);
+
+  if(rgbSize[0] == rgbSize[1] && rgbSize[1] == rgbSize[2] && rgbSize[2] == 10)
+    init.colorBits = 10;
+
   GLWindowingData data;
   data.egl_dpy = display;
   data.wnd = 0;
diff --git a/renderdoc/driver/gl/gl_driver.cpp b/renderdoc/driver/gl/gl_driver.cpp
index c9829328d..0cb1eb354 100644
--- a/renderdoc/driver/gl/gl_driver.cpp
+++ b/renderdoc/driver/gl/gl_driver.cpp
@@ -741,7 +741,11 @@ void WrappedOpenGL::CreateReplayBackbuffer(const GLInitParams &params, ResourceI
 
   GLenum colfmt = eGL_RGBA8;
 
-  if(params.colorBits == 32)
+  if(params.colorBits == 64)
+  {
+    colfmt = eGL_RGBA16F;
+  }
+  else if(params.colorBits == 32)
   {
     colfmt = params.isSRGB ? eGL_SRGB8_ALPHA8 : eGL_RGBA8;
   }
@@ -759,6 +763,10 @@ void WrappedOpenGL::CreateReplayBackbuffer(const GLInitParams &params, ResourceI
     else
       colfmt = eGL_RGB8;
   }
+  else if(params.colorBits == 10)
+  {
+    colfmt = eGL_RGB10_A2;
+  }
   else
   {
     RDCERR("Unexpected # colour bits: %d", params.colorBits);