From febe5dd3bc8520ebebfb0e23e0ebce07261b8c09 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Fri, 13 Feb 2026 14:22:22 -0500
Subject: [PATCH] render: opengl and opengles2 renderers try to disable
 GL_FRAMEBUFFER_SRGB.

Reference Issue #14898.

(cherry picked from commit fc570a1a1c12dcc484ad72c35ae2c585c63e7c72)
---
 src/render/opengl/SDL_render_gl.c       | 9 +++++++++
 src/render/opengles2/SDL_render_gles2.c | 9 +++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
index 3f6daf9efb..64402dae85 100644
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@@ -43,6 +43,11 @@
 #define RENDERER_CONTEXT_MAJOR 2
 #define RENDERER_CONTEXT_MINOR 1
 
+// This is always the same number between the various EXT/ARB/GLES extensions.
+#ifndef GL_FRAMEBUFFER_SRGB
+#define GL_FRAMEBUFFER_SRGB 0x8DB9
+#endif
+
 // OpenGL renderer implementation
 
 /* Details on optimizing the texture path on macOS:
@@ -2009,6 +2014,10 @@ static bool GL_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL_Pr
         goto error;
     }
 
+    if ((real_major >= 3) || SDL_GL_ExtensionSupported("GL_EXT_framebuffer_sRGB") || SDL_GL_ExtensionSupported("GL_ARB_framebuffer_sRGB")) {
+        data->glDisable(GL_FRAMEBUFFER_SRGB);
+    }
+
     // Set up parameters for rendering
     data->glMatrixMode(GL_MODELVIEW);
     data->glLoadIdentity();
diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c
index 2914a655a2..52423884dc 100644
--- a/src/render/opengles2/SDL_render_gles2.c
+++ b/src/render/opengles2/SDL_render_gles2.c
@@ -45,6 +45,11 @@
 #define RENDERER_CONTEXT_MAJOR 2
 #define RENDERER_CONTEXT_MINOR 0
 
+// This is always the same number between the various EXT/ARB/GLES extensions.
+#ifndef GL_FRAMEBUFFER_SRGB
+#define GL_FRAMEBUFFER_SRGB 0x8DB9
+#endif
+
 /*************************************************************************************************
  * Context structures                                                                            *
  *************************************************************************************************/
@@ -2463,6 +2468,10 @@ static bool GLES2_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL
         renderer->npot_texture_wrap_unsupported = true;
     }
 
+    if (SDL_GL_ExtensionSupported("GL_EXT_sRGB_write_control")) {
+        data->glDisable(GL_FRAMEBUFFER_SRGB);
+    }
+
     // Set up parameters for rendering
     data->glDisable(GL_DEPTH_TEST);
     data->glDisable(GL_CULL_FACE);