From 8fb2f359ff075d48d5b533179964b58a9c681055 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Mon, 9 Sep 2019 11:00:29 +0100
Subject: [PATCH] Handle GL_SRGB and GL_SRGB_ALPHA as a base format

* This doesn't seem to be legal but it's easy to just tolerate for buggy
  applications.
---
 renderdoc/driver/gl/gl_resources.cpp         | 6 ++++--
 renderdoc/driver/gl/wrappers/gl_emulated.cpp | 4 +++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/renderdoc/driver/gl/gl_resources.cpp b/renderdoc/driver/gl/gl_resources.cpp
index b84dff093..5106ae6b2 100644
--- a/renderdoc/driver/gl/gl_resources.cpp
+++ b/renderdoc/driver/gl/gl_resources.cpp
@@ -341,11 +341,13 @@ size_t GetByteSize(GLsizei w, GLsizei h, GLsizei d, GLenum format, GLenum type)
     case eGL_RGB:
     case eGL_RGB_INTEGER:
     case eGL_BGR:
-    case eGL_BGR_INTEGER: return w * h * d * elemSize * 3;
+    case eGL_BGR_INTEGER:
+    case eGL_SRGB: return w * h * d * elemSize * 3;
     case eGL_RGBA:
     case eGL_RGBA_INTEGER:
     case eGL_BGRA:
-    case eGL_BGRA_INTEGER: return w * h * d * elemSize * 4;
+    case eGL_BGRA_INTEGER:
+    case eGL_SRGB_ALPHA: return w * h * d * elemSize * 4;
     default: RDCERR("Unhandled Byte Size format %s!", ToStr(format).c_str()); break;
   }
 
diff --git a/renderdoc/driver/gl/wrappers/gl_emulated.cpp b/renderdoc/driver/gl/wrappers/gl_emulated.cpp
index e9a22911b..3dab406ce 100644
--- a/renderdoc/driver/gl/wrappers/gl_emulated.cpp
+++ b/renderdoc/driver/gl/wrappers/gl_emulated.cpp
@@ -957,6 +957,7 @@ static const format_data formats[] = {
     {eGL_RGB, eGL_UNSIGNED_BYTE, 3, 8, 0, 0},
     {eGL_RGBA, eGL_UNSIGNED_BYTE, 4, 8, 0, 0},
     {eGL_BGRA_EXT, eGL_UNSIGNED_BYTE, 4, 8, 0, 0},
+    {eGL_SRGB_ALPHA, eGL_UNSIGNED_NORMALIZED, 4, 8, 0, 0},
     {eGL_DEPTH_COMPONENT, eGL_NONE, 0, 0, 24, 0},
     {eGL_STENCIL_INDEX, eGL_NONE, 0, 0, 0, 8},
     {eGL_DEPTH_STENCIL, eGL_NONE, 0, 0, 24, 8},
@@ -1021,7 +1022,8 @@ void APIENTRY _glGetInternalformativ(GLenum target, GLenum internalformat, GLenu
 
   if(pname == eGL_COLOR_ENCODING)
   {
-    if(internalformat == eGL_SRGB8 || internalformat == eGL_SRGB8_ALPHA8)
+    if(internalformat == eGL_SRGB8 || internalformat == eGL_SRGB8_ALPHA8 ||
+       internalformat == eGL_SRGB_ALPHA)
       *params = eGL_SRGB;
     else
       *params = eGL_LINEAR;