SwapChainGL: correct color format if sRGB framebuffers are not enabled

DiligentGraphics · Sep 16, 2023 · 74a926d · 74a926d
1 parent 9b82c58
commit 74a926d
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp b/Graphics/GraphicsEngineOpenGL/src/SwapChainGLImpl.cpp
@@ -1,5 +1,5 @@
 /*
- *  Copyright 2019-2022 Diligent Graphics LLC
+ *  Copyright 2019-2023 Diligent Graphics LLC
  *  Copyright 2015-2019 Egor Yusov
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
@@ -50,6 +50,19 @@ SwapChainGLImpl::SwapChainGLImpl(IReferenceCounters*       pRefCounters,
     }
 // clang-format on
 {
+    if (m_SwapChainDesc.ColorBufferFormat == TEX_FORMAT_RGBA8_UNORM_SRGB ||
+        m_SwapChainDesc.ColorBufferFormat == TEX_FORMAT_BGRA8_UNORM_SRGB)
+    {
+        if (glIsEnabled(GL_FRAMEBUFFER_SRGB) == GL_FALSE)
+        {
+            auto ColorFmt = m_SwapChainDesc.ColorBufferFormat == TEX_FORMAT_RGBA8_UNORM_SRGB ?
+                TEX_FORMAT_RGBA8_UNORM :
+                TEX_FORMAT_BGRA8_UNORM;
+            LOG_WARNING_MESSAGE("Changing swap chain color format to ", GetTextureFormatAttribs(ColorFmt).Name, " because sRGB framebuffers are not enabled.");
+            m_SwapChainDesc.ColorBufferFormat = ColorFmt;
+        }
+    }
+
     if (m_DesiredPreTransform != SURFACE_TRANSFORM_OPTIMAL &&
         m_DesiredPreTransform != SURFACE_TRANSFORM_IDENTITY)
     {