Further isolated X11-specific parts of EGL code.

src/x11_egl_opengl.c

@@ -163,12 +163,10 @@ static int createContext(_GLFWwindow* window,
                          const _GLFWwndconfig* wndconfig,
                          EGLint fbconfigID)
 {
-    int attribs[40], visMask;
-    EGLint count, index, visualID = 0;
-    EGLint redBits, greenBits, blueBits, alphaBits;
+    int attribs[40];
+    EGLint count, index;
     EGLConfig config;
     EGLContext share = NULL;
-    XVisualInfo visTemplate;
 
     if (wndconfig->share)
         share = wndconfig->share->EGL.context;
@@ -192,17 +190,23 @@ static int createContext(_GLFWwindow* window,
     // Retrieve the corresponding visual
     // NOTE: This is the only non-portable code in this file.
     // Maybe it would not hurt too much to add #ifdefs for different platforms?
-    eglGetConfigAttrib(_glfwLibrary.EGL.display, config, EGL_NATIVE_VISUAL_ID, &visualID);
+#if defined(_GLFW_X11_EGL)
+    {
+        int mask;
+        EGLint redBits, greenBits, blueBits, alphaBits, visualID = 0;
+        XVisualInfo info;
+
+        eglGetConfigAttrib(_glfwLibrary.EGL.display, config,
+                           EGL_NATIVE_VISUAL_ID, &visualID);
 
-    // Init visual template
-    visTemplate.screen = _glfwLibrary.X11.screen;
-    visMask = VisualScreenMask;
+        info.screen = _glfwLibrary.X11.screen;
+        mask = VisualScreenMask;
 
         if (visualID)
         {
             // The X window visual must match the EGL config
-        visTemplate.visualid = visualID;
-        visMask |= VisualIDMask;
+            info.visualid = visualID;
+            mask |= VisualIDMask;
         }
         else
         {
@@ -218,12 +222,12 @@ static int createContext(_GLFWwindow* window,
             eglGetConfigAttrib(_glfwLibrary.EGL.display, config,
                                EGL_ALPHA_SIZE, &alphaBits);
 
-        visTemplate.depth = redBits + greenBits + blueBits + alphaBits;
-        visMask |= VisualDepthMask;
+            info.depth = redBits + greenBits + blueBits + alphaBits;
+            mask |= VisualDepthMask;
         }
 
         window->EGL.visual = XGetVisualInfo(_glfwLibrary.X11.display,
-                                        visMask, &visTemplate, &count);
+                                            mask, &info, &count);
 
         if (window->EGL.visual == NULL)
         {
@@ -231,6 +235,8 @@ static int createContext(_GLFWwindow* window,
                           "EGL: Failed to retrieve visual for EGLConfig");
             return GL_FALSE;
         }
+    }
+#endif
 
     if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
     {
@@ -471,16 +477,6 @@ void _glfwDestroyContext(_GLFWwindow* window)
 }
 
 
-//========================================================================
-// Return the X visual associated with the specified context
-//========================================================================
-
-XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window)
-{
-    return window->EGL.visual;
-}
-
-
 //========================================================================
 // Make the OpenGL context associated with the specified window current
 //========================================================================

src/x11_egl_platform.h

@@ -70,7 +70,10 @@ typedef struct _GLFWcontextEGL
    EGLConfig      config;
    EGLContext     context;
    EGLSurface     surface;
+
+#if defined(_GLFW_X11_EGL)
    XVisualInfo*   visual;
+#endif
 } _GLFWcontextEGL;
 
 

src/x11_glx_opengl.c

@@ -611,16 +611,6 @@ void _glfwDestroyContext(_GLFWwindow* window)
 }
 
 
-//========================================================================
-// Return the X visual associated with the specified context
-//========================================================================
-
-XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window)
-{
-    return window->GLX.visual;
-}
-
-
 //========================================================================
 // Make the OpenGL context associated with the specified window current
 //========================================================================

src/x11_platform.h

@@ -54,8 +54,10 @@
 #endif
 
 #if defined(_GLFW_X11_GLX)
+ #define _GLFW_X11_CONTEXT_VISUAL window->GLX.visual
  #include "x11_glx_platform.h"
 #elif defined(_GLFW_X11_EGL)
+ #define _GLFW_X11_CONTEXT_VISUAL window->EGL.visual
  #define _GLFW_EGL_NATIVE_WINDOW  window->X11.handle
  #define _GLFW_EGL_NATIVE_DISPLAY _glfwLibrary.X11.display
  #include "x11_egl_platform.h"
@@ -225,7 +227,6 @@ int _glfwCreateContext(_GLFWwindow* window,
                        const _GLFWwndconfig* wndconfig,
                        const _GLFWfbconfig* fbconfig);
 void _glfwDestroyContext(_GLFWwindow* window);
-XVisualInfo* _glfwGetContextVisual(_GLFWwindow* window);
 
 // Fullscreen support
 int  _glfwGetClosestVideoMode(int* width, int* height, int* rate);

src/x11_window.c

@@ -83,7 +83,7 @@ static GLboolean createWindow(_GLFWwindow* window,
 {
     unsigned long wamask;
     XSetWindowAttributes wa;
-    XVisualInfo* visual = _glfwGetContextVisual(window);
+    XVisualInfo* visual = _GLFW_X11_CONTEXT_VISUAL;
 
     // Every window needs a colormap
     // Create one based on the visual used by the current context