Flattened source tree.

2026-09-23 00:59:48 +00:00 · 2011-07-26 15:16:34 +02:00
parent 71f4adc3ec
commit 53f4f54c46
39 changed files with 103 additions and 189 deletions
@@ -0,0 +1,131 @@
+//========================================================================
+// GLFW - An OpenGL library
+// Platform:    X11/GLX
+// API version: 3.0
+// WWW:         http://www.glfw.org/
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Marcus Geelnard
+// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
+//
+// This software is provided 'as-is', without any express or implied
+// warranty. In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would
+//    be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not
+//    be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source
+//    distribution.
+//
+//========================================================================
+
+#include "internal.h"
+
+
+void (*glXGetProcAddress(const GLubyte* procName))();
+void (*glXGetProcAddressARB(const GLubyte* procName))();
+void (*glXGetProcAddressEXT(const GLubyte* procName))();
+
+// We support four different ways for getting addresses for GL/GLX
+// extension functions: glXGetProcAddress, glXGetProcAddressARB,
+// glXGetProcAddressEXT, and dlsym
+#if   defined(_GLFW_HAS_GLXGETPROCADDRESSARB)
+ #define _glfw_glXGetProcAddress(x) glXGetProcAddressARB(x)
+#elif defined(_GLFW_HAS_GLXGETPROCADDRESS)
+ #define _glfw_glXGetProcAddress(x) glXGetProcAddress(x)
+#elif defined(_GLFW_HAS_GLXGETPROCADDRESSEXT)
+ #define _glfw_glXGetProcAddress(x) glXGetProcAddressEXT(x)
+#elif defined(_GLFW_HAS_DLOPEN)
+ #define _glfw_glXGetProcAddress(x) dlsym(_glfwLibrary.X11.libGL, x)
+ #define _GLFW_DLOPEN_LIBGL
+#else
+#define _glfw_glXGetProcAddress(x) NULL
+#endif
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                       GLFW internal API                      //////
+//////////////////////////////////////////////////////////////////////////
+
+//========================================================================
+// Swap OpenGL buffers
+//========================================================================
+
+void _glfwPlatformSwapBuffers(void)
+{
+    glXSwapBuffers(_glfwLibrary.X11.display,
+                   _glfwLibrary.currentWindow->X11.handle);
+}
+
+
+//========================================================================
+// Set double buffering swap interval
+//========================================================================
+
+void _glfwPlatformSwapInterval(int interval)
+{
+    _GLFWwindow* window = _glfwLibrary.currentWindow;
+
+    if (window->GLX.has_GLX_EXT_swap_control)
+    {
+        window->GLX.SwapIntervalEXT(_glfwLibrary.X11.display,
+                                    window->X11.handle,
+                                    interval);
+    }
+    else if (window->GLX.has_GLX_SGI_swap_control)
+        window->GLX.SwapIntervalSGI(interval);
+}
+
+
+//========================================================================
+// Check if an OpenGL extension is available at runtime
+//========================================================================
+
+int _glfwPlatformExtensionSupported(const char* extension)
+{
+    const GLubyte* extensions;
+
+    // Get list of GLX extensions
+    extensions = (const GLubyte*) glXQueryExtensionsString(_glfwLibrary.X11.display,
+                                                           _glfwLibrary.X11.screen);
+    if (extensions != NULL)
+    {
+        if (_glfwStringInExtensionString(extension, extensions))
+            return GL_TRUE;
+    }
+
+    return GL_FALSE;
+}
+
+
+//========================================================================
+// Get the function pointer to an OpenGL function
+//========================================================================
+
+void* _glfwPlatformGetProcAddress(const char* procname)
+{
+    return (void*) _glfw_glXGetProcAddress((const GLubyte*) procname);
+}
+
+
+//========================================================================
+// Copies the specified OpenGL state categories from src to dst
+//========================================================================
+
+void _glfwPlatformCopyGLState(_GLFWwindow* src, _GLFWwindow* dst, unsigned long mask)
+{
+    glXCopyContext(_glfwLibrary.X11.display,
+                   src->GLX.context,
+                   dst->GLX.context,
+                   mask);
+}
+