--- /dev/null
+//========================================================================
+// GLFW 3.4 GLX - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Marcus Geelnard
+// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.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.
+//
+//========================================================================
+// It is fine to use C99 in this file because it will not be built with VS
+//========================================================================
+
+#include "internal.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#ifndef GLXBadProfileARB
+ #define GLXBadProfileARB 13
+#endif
+
+
+// Returns the specified attribute of the specified GLXFBConfig
+//
+static int getGLXFBConfigAttrib(GLXFBConfig fbconfig, int attrib)
+{
+ int value;
+ glXGetFBConfigAttrib(_glfw.x11.display, fbconfig, attrib, &value);
+ return value;
+}
+
+// Return the GLXFBConfig most closely matching the specified hints
+//
+static GLFWbool chooseGLXFBConfig(const _GLFWfbconfig* desired,
+ GLXFBConfig* result)
+{
+ GLXFBConfig* nativeConfigs;
+ _GLFWfbconfig* usableConfigs;
+ const _GLFWfbconfig* closest;
+ int i, nativeCount, usableCount;
+ const char* vendor;
+ GLFWbool trustWindowBit = GLFW_TRUE;
+
+ // HACK: This is a (hopefully temporary) workaround for Chromium
+ // (VirtualBox GL) not setting the window bit on any GLXFBConfigs
+ vendor = glXGetClientString(_glfw.x11.display, GLX_VENDOR);
+ if (vendor && strcmp(vendor, "Chromium") == 0)
+ trustWindowBit = GLFW_FALSE;
+
+ nativeConfigs =
+ glXGetFBConfigs(_glfw.x11.display, _glfw.x11.screen, &nativeCount);
+ if (!nativeConfigs || !nativeCount)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE, "GLX: No GLXFBConfigs returned");
+ return GLFW_FALSE;
+ }
+
+ usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
+ usableCount = 0;
+
+ for (i = 0; i < nativeCount; i++)
+ {
+ const GLXFBConfig n = nativeConfigs[i];
+ _GLFWfbconfig* u = usableConfigs + usableCount;
+
+ // Only consider RGBA GLXFBConfigs
+ if (!(getGLXFBConfigAttrib(n, GLX_RENDER_TYPE) & GLX_RGBA_BIT))
+ continue;
+
+ // Only consider window GLXFBConfigs
+ if (!(getGLXFBConfigAttrib(n, GLX_DRAWABLE_TYPE) & GLX_WINDOW_BIT))
+ {
+ if (trustWindowBit)
+ continue;
+ }
+
+ if (desired->transparent)
+ {
+ XVisualInfo* vi = glXGetVisualFromFBConfig(_glfw.x11.display, n);
+ if (vi)
+ {
+ u->transparent = _glfwIsVisualTransparentX11(vi->visual);
+ XFree(vi);
+ }
+ }
+
+ u->redBits = getGLXFBConfigAttrib(n, GLX_RED_SIZE);
+ u->greenBits = getGLXFBConfigAttrib(n, GLX_GREEN_SIZE);
+ u->blueBits = getGLXFBConfigAttrib(n, GLX_BLUE_SIZE);
+
+ u->alphaBits = getGLXFBConfigAttrib(n, GLX_ALPHA_SIZE);
+ u->depthBits = getGLXFBConfigAttrib(n, GLX_DEPTH_SIZE);
+ u->stencilBits = getGLXFBConfigAttrib(n, GLX_STENCIL_SIZE);
+
+ u->accumRedBits = getGLXFBConfigAttrib(n, GLX_ACCUM_RED_SIZE);
+ u->accumGreenBits = getGLXFBConfigAttrib(n, GLX_ACCUM_GREEN_SIZE);
+ u->accumBlueBits = getGLXFBConfigAttrib(n, GLX_ACCUM_BLUE_SIZE);
+ u->accumAlphaBits = getGLXFBConfigAttrib(n, GLX_ACCUM_ALPHA_SIZE);
+
+ u->auxBuffers = getGLXFBConfigAttrib(n, GLX_AUX_BUFFERS);
+
+ if (getGLXFBConfigAttrib(n, GLX_STEREO))
+ u->stereo = GLFW_TRUE;
+ if (getGLXFBConfigAttrib(n, GLX_DOUBLEBUFFER))
+ u->doublebuffer = GLFW_TRUE;
+
+ if (_glfw.glx.ARB_multisample)
+ u->samples = getGLXFBConfigAttrib(n, GLX_SAMPLES);
+
+ if (_glfw.glx.ARB_framebuffer_sRGB || _glfw.glx.EXT_framebuffer_sRGB)
+ u->sRGB = getGLXFBConfigAttrib(n, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB);
+
+ u->handle = (uintptr_t) n;
+ usableCount++;
+ }
+
+ closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
+ if (closest)
+ *result = (GLXFBConfig) closest->handle;
+
+ XFree(nativeConfigs);
+ free(usableConfigs);
+
+ return closest != NULL;
+}
+
+// Create the OpenGL context using legacy API
+//
+static GLXContext createLegacyContextGLX(_GLFWwindow* window,
+ GLXFBConfig fbconfig,
+ GLXContext share)
+{
+ return glXCreateNewContext(_glfw.x11.display,
+ fbconfig,
+ GLX_RGBA_TYPE,
+ share,
+ True);
+}
+
+static void makeContextCurrentGLX(_GLFWwindow* window)
+{
+ if (window)
+ {
+ if (!glXMakeCurrent(_glfw.x11.display,
+ window->context.glx.window,
+ window->context.glx.handle))
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "GLX: Failed to make context current");
+ return;
+ }
+ }
+ else
+ {
+ if (!glXMakeCurrent(_glfw.x11.display, None, NULL))
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "GLX: Failed to clear current context");
+ return;
+ }
+ }
+
+ _glfwPlatformSetTls(&_glfw.contextSlot, window);
+}
+
+static void swapBuffersGLX(_GLFWwindow* window)
+{
+ glXSwapBuffers(_glfw.x11.display, window->context.glx.window);
+}
+
+static void swapIntervalGLX(int interval)
+{
+ _GLFWwindow* window = _glfwPlatformGetTls(&_glfw.contextSlot);
+
+ if (_glfw.glx.EXT_swap_control)
+ {
+ _glfw.glx.SwapIntervalEXT(_glfw.x11.display,
+ window->context.glx.window,
+ interval);
+ }
+ else if (_glfw.glx.MESA_swap_control)
+ _glfw.glx.SwapIntervalMESA(interval);
+ else if (_glfw.glx.SGI_swap_control)
+ {
+ if (interval > 0)
+ _glfw.glx.SwapIntervalSGI(interval);
+ }
+}
+
+static int extensionSupportedGLX(const char* extension)
+{
+ const char* extensions =
+ glXQueryExtensionsString(_glfw.x11.display, _glfw.x11.screen);
+ if (extensions)
+ {
+ if (_glfwStringInExtensionString(extension, extensions))
+ return GLFW_TRUE;
+ }
+
+ return GLFW_FALSE;
+}
+
+static GLFWglproc getProcAddressGLX(const char* procname)
+{
+ if (_glfw.glx.GetProcAddress)
+ return _glfw.glx.GetProcAddress((const GLubyte*) procname);
+ else if (_glfw.glx.GetProcAddressARB)
+ return _glfw.glx.GetProcAddressARB((const GLubyte*) procname);
+ else
+ return _glfw_dlsym(_glfw.glx.handle, procname);
+}
+
+static void destroyContextGLX(_GLFWwindow* window)
+{
+ if (window->context.glx.window)
+ {
+ glXDestroyWindow(_glfw.x11.display, window->context.glx.window);
+ window->context.glx.window = None;
+ }
+
+ if (window->context.glx.handle)
+ {
+ glXDestroyContext(_glfw.x11.display, window->context.glx.handle);
+ window->context.glx.handle = NULL;
+ }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW internal API //////
+//////////////////////////////////////////////////////////////////////////
+
+// Initialize GLX
+//
+GLFWbool _glfwInitGLX(void)
+{
+ int i;
+ const char* sonames[] =
+ {
+#if defined(_GLFW_GLX_LIBRARY)
+ _GLFW_GLX_LIBRARY,
+#elif defined(__CYGWIN__)
+ "libGL-1.so",
+#else
+ "libGL.so.1",
+ "libGL.so",
+#endif
+ NULL
+ };
+
+ if (_glfw.glx.handle)
+ return GLFW_TRUE;
+
+ for (i = 0; sonames[i]; i++)
+ {
+ _glfw.glx.handle = _glfw_dlopen(sonames[i]);
+ if (_glfw.glx.handle)
+ break;
+ }
+
+ if (!_glfw.glx.handle)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE, "GLX: Failed to load GLX");
+ return GLFW_FALSE;
+ }
+
+ _glfw.glx.GetFBConfigs =
+ _glfw_dlsym(_glfw.glx.handle, "glXGetFBConfigs");
+ _glfw.glx.GetFBConfigAttrib =
+ _glfw_dlsym(_glfw.glx.handle, "glXGetFBConfigAttrib");
+ _glfw.glx.GetClientString =
+ _glfw_dlsym(_glfw.glx.handle, "glXGetClientString");
+ _glfw.glx.QueryExtension =
+ _glfw_dlsym(_glfw.glx.handle, "glXQueryExtension");
+ _glfw.glx.QueryVersion =
+ _glfw_dlsym(_glfw.glx.handle, "glXQueryVersion");
+ _glfw.glx.DestroyContext =
+ _glfw_dlsym(_glfw.glx.handle, "glXDestroyContext");
+ _glfw.glx.MakeCurrent =
+ _glfw_dlsym(_glfw.glx.handle, "glXMakeCurrent");
+ _glfw.glx.SwapBuffers =
+ _glfw_dlsym(_glfw.glx.handle, "glXSwapBuffers");
+ _glfw.glx.QueryExtensionsString =
+ _glfw_dlsym(_glfw.glx.handle, "glXQueryExtensionsString");
+ _glfw.glx.CreateNewContext =
+ _glfw_dlsym(_glfw.glx.handle, "glXCreateNewContext");
+ _glfw.glx.CreateWindow =
+ _glfw_dlsym(_glfw.glx.handle, "glXCreateWindow");
+ _glfw.glx.DestroyWindow =
+ _glfw_dlsym(_glfw.glx.handle, "glXDestroyWindow");
+ _glfw.glx.GetProcAddress =
+ _glfw_dlsym(_glfw.glx.handle, "glXGetProcAddress");
+ _glfw.glx.GetProcAddressARB =
+ _glfw_dlsym(_glfw.glx.handle, "glXGetProcAddressARB");
+ _glfw.glx.GetVisualFromFBConfig =
+ _glfw_dlsym(_glfw.glx.handle, "glXGetVisualFromFBConfig");
+
+ if (!_glfw.glx.GetFBConfigs ||
+ !_glfw.glx.GetFBConfigAttrib ||
+ !_glfw.glx.GetClientString ||
+ !_glfw.glx.QueryExtension ||
+ !_glfw.glx.QueryVersion ||
+ !_glfw.glx.DestroyContext ||
+ !_glfw.glx.MakeCurrent ||
+ !_glfw.glx.SwapBuffers ||
+ !_glfw.glx.QueryExtensionsString ||
+ !_glfw.glx.CreateNewContext ||
+ !_glfw.glx.CreateWindow ||
+ !_glfw.glx.DestroyWindow ||
+ !_glfw.glx.GetProcAddress ||
+ !_glfw.glx.GetProcAddressARB ||
+ !_glfw.glx.GetVisualFromFBConfig)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "GLX: Failed to load required entry points");
+ return GLFW_FALSE;
+ }
+
+ if (!glXQueryExtension(_glfw.x11.display,
+ &_glfw.glx.errorBase,
+ &_glfw.glx.eventBase))
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE, "GLX: GLX extension not found");
+ return GLFW_FALSE;
+ }
+
+ if (!glXQueryVersion(_glfw.x11.display, &_glfw.glx.major, &_glfw.glx.minor))
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "GLX: Failed to query GLX version");
+ return GLFW_FALSE;
+ }
+
+ if (_glfw.glx.major == 1 && _glfw.glx.minor < 3)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "GLX: GLX version 1.3 is required");
+ return GLFW_FALSE;
+ }
+
+ if (extensionSupportedGLX("GLX_EXT_swap_control"))
+ {
+ _glfw.glx.SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)
+ getProcAddressGLX("glXSwapIntervalEXT");
+
+ if (_glfw.glx.SwapIntervalEXT)
+ _glfw.glx.EXT_swap_control = GLFW_TRUE;
+ }
+
+ if (extensionSupportedGLX("GLX_SGI_swap_control"))
+ {
+ _glfw.glx.SwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)
+ getProcAddressGLX("glXSwapIntervalSGI");
+
+ if (_glfw.glx.SwapIntervalSGI)
+ _glfw.glx.SGI_swap_control = GLFW_TRUE;
+ }
+
+ if (extensionSupportedGLX("GLX_MESA_swap_control"))
+ {
+ _glfw.glx.SwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC)
+ getProcAddressGLX("glXSwapIntervalMESA");
+
+ if (_glfw.glx.SwapIntervalMESA)
+ _glfw.glx.MESA_swap_control = GLFW_TRUE;
+ }
+
+ if (extensionSupportedGLX("GLX_ARB_multisample"))
+ _glfw.glx.ARB_multisample = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_ARB_framebuffer_sRGB"))
+ _glfw.glx.ARB_framebuffer_sRGB = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_EXT_framebuffer_sRGB"))
+ _glfw.glx.EXT_framebuffer_sRGB = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_ARB_create_context"))
+ {
+ _glfw.glx.CreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)
+ getProcAddressGLX("glXCreateContextAttribsARB");
+
+ if (_glfw.glx.CreateContextAttribsARB)
+ _glfw.glx.ARB_create_context = GLFW_TRUE;
+ }
+
+ if (extensionSupportedGLX("GLX_ARB_create_context_robustness"))
+ _glfw.glx.ARB_create_context_robustness = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_ARB_create_context_profile"))
+ _glfw.glx.ARB_create_context_profile = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_EXT_create_context_es2_profile"))
+ _glfw.glx.EXT_create_context_es2_profile = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_ARB_create_context_no_error"))
+ _glfw.glx.ARB_create_context_no_error = GLFW_TRUE;
+
+ if (extensionSupportedGLX("GLX_ARB_context_flush_control"))
+ _glfw.glx.ARB_context_flush_control = GLFW_TRUE;
+
+ return GLFW_TRUE;
+}
+
+// Terminate GLX
+//
+void _glfwTerminateGLX(void)
+{
+ // NOTE: This function must not call any X11 functions, as it is called
+ // after XCloseDisplay (see _glfwPlatformTerminate for details)
+
+ if (_glfw.glx.handle)
+ {
+ _glfw_dlclose(_glfw.glx.handle);
+ _glfw.glx.handle = NULL;
+ }
+}
+
+#define setAttrib(a, v) \
+{ \
+ assert(((size_t) index + 1) < sizeof(attribs) / sizeof(attribs[0])); \
+ attribs[index++] = a; \
+ attribs[index++] = v; \
+}
+
+// Create the OpenGL or OpenGL ES context
+//
+GLFWbool _glfwCreateContextGLX(_GLFWwindow* window,
+ const _GLFWctxconfig* ctxconfig,
+ const _GLFWfbconfig* fbconfig)
+{
+ int attribs[40];
+ GLXFBConfig native = NULL;
+ GLXContext share = NULL;
+
+ if (ctxconfig->share)
+ share = ctxconfig->share->context.glx.handle;
+
+ if (!chooseGLXFBConfig(fbconfig, &native))
+ {
+ _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
+ "GLX: Failed to find a suitable GLXFBConfig");
+ return GLFW_FALSE;
+ }
+
+ if (ctxconfig->client == GLFW_OPENGL_ES_API)
+ {
+ if (!_glfw.glx.ARB_create_context ||
+ !_glfw.glx.ARB_create_context_profile ||
+ !_glfw.glx.EXT_create_context_es2_profile)
+ {
+ _glfwInputError(GLFW_API_UNAVAILABLE,
+ "GLX: OpenGL ES requested but GLX_EXT_create_context_es2_profile is unavailable");
+ return GLFW_FALSE;
+ }
+ }
+
+ if (ctxconfig->forward)
+ {
+ if (!_glfw.glx.ARB_create_context)
+ {
+ _glfwInputError(GLFW_VERSION_UNAVAILABLE,
+ "GLX: Forward compatibility requested but GLX_ARB_create_context_profile is unavailable");
+ return GLFW_FALSE;
+ }
+ }
+
+ if (ctxconfig->profile)
+ {
+ if (!_glfw.glx.ARB_create_context ||
+ !_glfw.glx.ARB_create_context_profile)
+ {
+ _glfwInputError(GLFW_VERSION_UNAVAILABLE,
+ "GLX: An OpenGL profile requested but GLX_ARB_create_context_profile is unavailable");
+ return GLFW_FALSE;
+ }
+ }
+
+ _glfwGrabErrorHandlerX11();
+
+ if (_glfw.glx.ARB_create_context)
+ {
+ int index = 0, mask = 0, flags = 0;
+
+ if (ctxconfig->client == GLFW_OPENGL_API)
+ {
+ if (ctxconfig->forward)
+ flags |= GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
+
+ if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE)
+ mask |= GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
+ else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE)
+ mask |= GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
+ }
+ else
+ mask |= GLX_CONTEXT_ES2_PROFILE_BIT_EXT;
+
+ if (ctxconfig->debug)
+ flags |= GLX_CONTEXT_DEBUG_BIT_ARB;
+
+ if (ctxconfig->robustness)
+ {
+ if (_glfw.glx.ARB_create_context_robustness)
+ {
+ if (ctxconfig->robustness == GLFW_NO_RESET_NOTIFICATION)
+ {
+ setAttrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
+ GLX_NO_RESET_NOTIFICATION_ARB);
+ }
+ else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
+ {
+ setAttrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
+ GLX_LOSE_CONTEXT_ON_RESET_ARB);
+ }
+
+ flags |= GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB;
+ }
+ }
+
+ if (ctxconfig->release)
+ {
+ if (_glfw.glx.ARB_context_flush_control)
+ {
+ if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE)
+ {
+ setAttrib(GLX_CONTEXT_RELEASE_BEHAVIOR_ARB,
+ GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB);
+ }
+ else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH)
+ {
+ setAttrib(GLX_CONTEXT_RELEASE_BEHAVIOR_ARB,
+ GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB);
+ }
+ }
+ }
+
+ if (ctxconfig->noerror)
+ {
+ if (_glfw.glx.ARB_create_context_no_error)
+ setAttrib(GLX_CONTEXT_OPENGL_NO_ERROR_ARB, GLFW_TRUE);
+ }
+
+ // NOTE: Only request an explicitly versioned context when necessary, as
+ // explicitly requesting version 1.0 does not always return the
+ // highest version supported by the driver
+ if (ctxconfig->major != 1 || ctxconfig->minor != 0)
+ {
+ setAttrib(GLX_CONTEXT_MAJOR_VERSION_ARB, ctxconfig->major);
+ setAttrib(GLX_CONTEXT_MINOR_VERSION_ARB, ctxconfig->minor);
+ }
+
+ if (mask)
+ setAttrib(GLX_CONTEXT_PROFILE_MASK_ARB, mask);
+
+ if (flags)
+ setAttrib(GLX_CONTEXT_FLAGS_ARB, flags);
+
+ setAttrib(None, None);
+
+ window->context.glx.handle =
+ _glfw.glx.CreateContextAttribsARB(_glfw.x11.display,
+ native,
+ share,
+ True,
+ attribs);
+
+ // HACK: This is a fallback for broken versions of the Mesa
+ // implementation of GLX_ARB_create_context_profile that fail
+ // default 1.0 context creation with a GLXBadProfileARB error in
+ // violation of the extension spec
+ if (!window->context.glx.handle)
+ {
+ if (_glfw.x11.errorCode == _glfw.glx.errorBase + GLXBadProfileARB &&
+ ctxconfig->client == GLFW_OPENGL_API &&
+ ctxconfig->profile == GLFW_OPENGL_ANY_PROFILE &&
+ ctxconfig->forward == GLFW_FALSE)
+ {
+ window->context.glx.handle =
+ createLegacyContextGLX(window, native, share);
+ }
+ }
+ }
+ else
+ {
+ window->context.glx.handle =
+ createLegacyContextGLX(window, native, share);
+ }
+
+ _glfwReleaseErrorHandlerX11();
+
+ if (!window->context.glx.handle)
+ {
+ _glfwInputErrorX11(GLFW_VERSION_UNAVAILABLE, "GLX: Failed to create context");
+ return GLFW_FALSE;
+ }
+
+ window->context.glx.window =
+ glXCreateWindow(_glfw.x11.display, native, window->x11.handle, NULL);
+ if (!window->context.glx.window)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR, "GLX: Failed to create window");
+ return GLFW_FALSE;
+ }
+
+ window->context.makeCurrent = makeContextCurrentGLX;
+ window->context.swapBuffers = swapBuffersGLX;
+ window->context.swapInterval = swapIntervalGLX;
+ window->context.extensionSupported = extensionSupportedGLX;
+ window->context.getProcAddress = getProcAddressGLX;
+ window->context.destroy = destroyContextGLX;
+
+ return GLFW_TRUE;
+}
+
+#undef setAttrib
+
+// Returns the Visual and depth of the chosen GLXFBConfig
+//
+GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
+ const _GLFWctxconfig* ctxconfig,
+ const _GLFWfbconfig* fbconfig,
+ Visual** visual, int* depth)
+{
+ GLXFBConfig native;
+ XVisualInfo* result;
+
+ if (!chooseGLXFBConfig(fbconfig, &native))
+ {
+ _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
+ "GLX: Failed to find a suitable GLXFBConfig");
+ return GLFW_FALSE;
+ }
+
+ result = glXGetVisualFromFBConfig(_glfw.x11.display, native);
+ if (!result)
+ {
+ _glfwInputError(GLFW_PLATFORM_ERROR,
+ "GLX: Failed to retrieve Visual for GLXFBConfig");
+ return GLFW_FALSE;
+ }
+
+ *visual = result->visual;
+ *depth = result->depth;
+
+ XFree(result);
+ return GLFW_TRUE;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+////// GLFW native API //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+ _GLFW_REQUIRE_INIT_OR_RETURN(NULL);
+
+ if (window->context.client == GLFW_NO_API)
+ {
+ _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
+ return NULL;
+ }
+
+ return window->context.glx.handle;
+}
+
+GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* handle)
+{
+ _GLFWwindow* window = (_GLFWwindow*) handle;
+ _GLFW_REQUIRE_INIT_OR_RETURN(None);
+
+ if (window->context.client == GLFW_NO_API)
+ {
+ _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
+ return None;
+ }
+
+ return window->context.glx.window;
+}
+
projects / pistorm / blobdiff