glfw/src/glx_context.c

649 lines
20 KiB
C
Raw Normal View History

2010-09-07 15:34:51 +00:00
//========================================================================
2015-06-01 20:55:06 +00:00
// GLFW 3.2 GLX - www.glfw.org
2010-09-07 15:34:51 +00:00
//------------------------------------------------------------------------
// 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"
2012-06-03 14:33:48 +00:00
#include <string.h>
#include <stdlib.h>
#include <assert.h>
2010-09-07 15:34:51 +00:00
#ifndef GLXBadProfileARB
#define GLXBadProfileARB 13
#endif
// Returns the specified attribute of the specified GLXFBConfig
//
static int getFBConfigAttrib(GLXFBConfig fbconfig, int attrib)
{
int value;
2015-12-03 03:09:26 +00:00
glXGetFBConfigAttrib(_glfw.x11.display, fbconfig, attrib, &value);
return value;
}
// Return a list of available and usable framebuffer configs
//
2015-08-23 17:30:04 +00:00
static GLFWbool chooseFBConfig(const _GLFWfbconfig* desired, GLXFBConfig* result)
{
GLXFBConfig* nativeConfigs;
_GLFWfbconfig* usableConfigs;
const _GLFWfbconfig* closest;
int i, nativeCount, usableCount;
const char* vendor;
2015-08-23 17:30:04 +00:00
GLFWbool trustWindowBit = GLFW_TRUE;
2015-04-07 00:51:45 +00:00
// HACK: This is a (hopefully temporary) workaround for Chromium
// (VirtualBox GL) not setting the window bit on any GLXFBConfigs
2015-12-03 03:09:26 +00:00
vendor = glXGetClientString(_glfw.x11.display, GLX_VENDOR);
if (strcmp(vendor, "Chromium") == 0)
2015-08-23 17:30:04 +00:00
trustWindowBit = GLFW_FALSE;
2015-12-03 03:09:26 +00:00
nativeConfigs =
glXGetFBConfigs(_glfw.x11.display, _glfw.x11.screen, &nativeCount);
if (!nativeCount)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: No GLXFBConfigs returned");
2015-08-23 17:30:04 +00:00
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;
2015-04-07 00:51:45 +00:00
// Only consider RGBA GLXFBConfigs
if (!(getFBConfigAttrib(n, GLX_RENDER_TYPE) & GLX_RGBA_BIT))
continue;
2015-04-07 00:51:45 +00:00
// Only consider window GLXFBConfigs
if (!(getFBConfigAttrib(n, GLX_DRAWABLE_TYPE) & GLX_WINDOW_BIT))
{
if (trustWindowBit)
continue;
}
u->redBits = getFBConfigAttrib(n, GLX_RED_SIZE);
u->greenBits = getFBConfigAttrib(n, GLX_GREEN_SIZE);
u->blueBits = getFBConfigAttrib(n, GLX_BLUE_SIZE);
u->alphaBits = getFBConfigAttrib(n, GLX_ALPHA_SIZE);
u->depthBits = getFBConfigAttrib(n, GLX_DEPTH_SIZE);
u->stencilBits = getFBConfigAttrib(n, GLX_STENCIL_SIZE);
u->accumRedBits = getFBConfigAttrib(n, GLX_ACCUM_RED_SIZE);
u->accumGreenBits = getFBConfigAttrib(n, GLX_ACCUM_GREEN_SIZE);
u->accumBlueBits = getFBConfigAttrib(n, GLX_ACCUM_BLUE_SIZE);
u->accumAlphaBits = getFBConfigAttrib(n, GLX_ACCUM_ALPHA_SIZE);
u->auxBuffers = getFBConfigAttrib(n, GLX_AUX_BUFFERS);
2014-04-24 17:21:10 +00:00
if (getFBConfigAttrib(n, GLX_STEREO))
2015-08-23 17:30:04 +00:00
u->stereo = GLFW_TRUE;
2014-04-24 17:21:10 +00:00
if (getFBConfigAttrib(n, GLX_DOUBLEBUFFER))
2015-08-23 17:30:04 +00:00
u->doublebuffer = GLFW_TRUE;
if (_glfw.glx.ARB_multisample)
u->samples = getFBConfigAttrib(n, GLX_SAMPLES);
if (_glfw.glx.ARB_framebuffer_sRGB || _glfw.glx.EXT_framebuffer_sRGB)
u->sRGB = getFBConfigAttrib(n, GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB);
2016-03-28 18:11:22 +00:00
u->handle = (uintptr_t) n;
usableCount++;
}
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
if (closest)
2016-03-28 18:11:22 +00:00
*result = (GLXFBConfig) closest->handle;
XFree(nativeConfigs);
free(usableConfigs);
2016-03-28 18:11:22 +00:00
return closest != NULL;
}
// Create the OpenGL context using legacy API
2013-02-04 12:22:10 +00:00
//
static GLXContext createLegacyContext(_GLFWwindow* window,
GLXFBConfig fbconfig,
GLXContext share)
{
2015-12-03 03:09:26 +00:00
return glXCreateNewContext(_glfw.x11.display,
fbconfig,
GLX_RGBA_TYPE,
share,
True);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
// Initialize GLX
2013-02-04 12:22:10 +00:00
//
2015-12-10 16:10:05 +00:00
GLFWbool _glfwInitGLX(void)
{
int i;
const char* sonames[] =
{
2015-08-18 14:56:19 +00:00
#if defined(__CYGWIN__)
"libGL-1.so",
2015-08-18 14:56:19 +00:00
#else
"libGL.so.1",
"libGL.so",
2015-08-18 14:56:19 +00:00
#endif
NULL
};
for (i = 0; sonames[i]; i++)
{
_glfw.glx.handle = dlopen(sonames[i], RTLD_LAZY | RTLD_GLOBAL);
if (_glfw.glx.handle)
break;
}
if (!_glfw.glx.handle)
{
_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: Failed to load GLX");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
}
_glfw.glx.GetFBConfigs =
dlsym(_glfw.glx.handle, "glXGetFBConfigs");
_glfw.glx.GetFBConfigAttrib =
dlsym(_glfw.glx.handle, "glXGetFBConfigAttrib");
_glfw.glx.GetClientString =
dlsym(_glfw.glx.handle, "glXGetClientString");
_glfw.glx.QueryExtension =
dlsym(_glfw.glx.handle, "glXQueryExtension");
_glfw.glx.QueryVersion =
dlsym(_glfw.glx.handle, "glXQueryVersion");
_glfw.glx.DestroyContext =
dlsym(_glfw.glx.handle, "glXDestroyContext");
_glfw.glx.MakeCurrent =
dlsym(_glfw.glx.handle, "glXMakeCurrent");
_glfw.glx.SwapBuffers =
dlsym(_glfw.glx.handle, "glXSwapBuffers");
_glfw.glx.QueryExtensionsString =
dlsym(_glfw.glx.handle, "glXQueryExtensionsString");
_glfw.glx.CreateNewContext =
dlsym(_glfw.glx.handle, "glXCreateNewContext");
_glfw.glx.CreateWindow =
dlsym(_glfw.glx.handle, "glXCreateWindow");
_glfw.glx.DestroyWindow =
dlsym(_glfw.glx.handle, "glXDestroyWindow");
_glfw.glx.GetProcAddress =
dlsym(_glfw.glx.handle, "glXGetProcAddress");
_glfw.glx.GetProcAddressARB =
dlsym(_glfw.glx.handle, "glXGetProcAddressARB");
_glfw.glx.GetVisualFromFBConfig =
dlsym(_glfw.glx.handle, "glXGetVisualFromFBConfig");
2015-12-03 03:09:26 +00:00
if (!glXQueryExtension(_glfw.x11.display,
&_glfw.glx.errorBase,
&_glfw.glx.eventBase))
{
2014-03-30 08:45:33 +00:00
_glfwInputError(GLFW_API_UNAVAILABLE, "GLX: GLX extension not found");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
}
2015-12-03 03:09:26 +00:00
if (!glXQueryVersion(_glfw.x11.display, &_glfw.glx.major, &_glfw.glx.minor))
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"GLX: Failed to query GLX version");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
}
if (_glfw.glx.major == 1 && _glfw.glx.minor < 3)
2014-03-30 08:45:33 +00:00
{
_glfwInputError(GLFW_API_UNAVAILABLE,
"GLX: GLX version 1.3 is required");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
2014-03-30 08:45:33 +00:00
}
if (_glfwPlatformExtensionSupported("GLX_EXT_swap_control"))
{
_glfw.glx.SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)
_glfwPlatformGetProcAddress("glXSwapIntervalEXT");
if (_glfw.glx.SwapIntervalEXT)
2015-08-23 17:30:04 +00:00
_glfw.glx.EXT_swap_control = GLFW_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_SGI_swap_control"))
{
_glfw.glx.SwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)
_glfwPlatformGetProcAddress("glXSwapIntervalSGI");
if (_glfw.glx.SwapIntervalSGI)
2015-08-23 17:30:04 +00:00
_glfw.glx.SGI_swap_control = GLFW_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_MESA_swap_control"))
{
_glfw.glx.SwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC)
_glfwPlatformGetProcAddress("glXSwapIntervalMESA");
if (_glfw.glx.SwapIntervalMESA)
2015-08-23 17:30:04 +00:00
_glfw.glx.MESA_swap_control = GLFW_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_ARB_multisample"))
2015-08-23 17:30:04 +00:00
_glfw.glx.ARB_multisample = GLFW_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_framebuffer_sRGB"))
2015-08-23 17:30:04 +00:00
_glfw.glx.ARB_framebuffer_sRGB = GLFW_TRUE;
if (_glfwPlatformExtensionSupported("GLX_EXT_framebuffer_sRGB"))
2015-08-23 17:30:04 +00:00
_glfw.glx.EXT_framebuffer_sRGB = GLFW_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_create_context"))
{
_glfw.glx.CreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)
_glfwPlatformGetProcAddress("glXCreateContextAttribsARB");
if (_glfw.glx.CreateContextAttribsARB)
2015-08-23 17:30:04 +00:00
_glfw.glx.ARB_create_context = GLFW_TRUE;
}
if (_glfwPlatformExtensionSupported("GLX_ARB_create_context_robustness"))
2015-08-23 17:30:04 +00:00
_glfw.glx.ARB_create_context_robustness = GLFW_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_create_context_profile"))
2015-08-23 17:30:04 +00:00
_glfw.glx.ARB_create_context_profile = GLFW_TRUE;
if (_glfwPlatformExtensionSupported("GLX_EXT_create_context_es2_profile"))
2015-08-23 17:30:04 +00:00
_glfw.glx.EXT_create_context_es2_profile = GLFW_TRUE;
if (_glfwPlatformExtensionSupported("GLX_ARB_context_flush_control"))
2015-08-23 17:30:04 +00:00
_glfw.glx.ARB_context_flush_control = GLFW_TRUE;
2015-08-23 17:30:04 +00:00
return GLFW_TRUE;
}
// Terminate GLX
2013-02-04 12:22:10 +00:00
//
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)
{
dlclose(_glfw.glx.handle);
_glfw.glx.handle = NULL;
}
}
2012-12-13 19:43:15 +00:00
#define setGLXattrib(attribName, attribValue) \
{ \
attribs[index++] = attribName; \
attribs[index++] = attribValue; \
2013-07-15 16:37:02 +00:00
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
}
// Create the OpenGL or OpenGL ES context
2013-02-04 12:22:10 +00:00
//
2015-12-10 16:10:05 +00:00
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 (!chooseFBConfig(fbconfig, &native))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"GLX: Failed to find a suitable GLXFBConfig");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
}
if (ctxconfig->api == GLFW_OPENGL_ES_API)
{
if (!_glfw.glx.ARB_create_context ||
!_glfw.glx.ARB_create_context_profile ||
!_glfw.glx.EXT_create_context_es2_profile)
{
2013-08-21 09:56:48 +00:00
_glfwInputError(GLFW_API_UNAVAILABLE,
"GLX: OpenGL ES requested but GLX_EXT_create_context_es2_profile is unavailable");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
}
2012-12-13 19:43:15 +00:00
}
if (ctxconfig->forward)
2012-12-13 19:43:15 +00:00
{
if (!_glfw.glx.ARB_create_context)
2012-07-21 23:10:59 +00:00
{
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
"GLX: Forward compatibility requested but GLX_ARB_create_context_profile is unavailable");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
2012-07-21 23:10:59 +00:00
}
2012-12-13 19:43:15 +00:00
}
2012-07-21 23:10:59 +00:00
if (ctxconfig->profile)
2012-12-13 19:43:15 +00:00
{
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");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
2012-12-13 19:43:15 +00:00
}
}
_glfwGrabErrorHandlerX11();
if (_glfw.glx.ARB_create_context)
2012-12-13 19:43:15 +00:00
{
2015-04-10 11:18:26 +00:00
int index = 0, mask = 0, flags = 0;
if (ctxconfig->api == GLFW_OPENGL_API)
2012-12-13 19:43:15 +00:00
{
if (ctxconfig->forward)
flags |= GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
2015-04-10 11:18:26 +00:00
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;
}
2012-12-13 19:43:15 +00:00
else
mask |= GLX_CONTEXT_ES2_PROFILE_BIT_EXT;
if (ctxconfig->debug)
flags |= GLX_CONTEXT_DEBUG_BIT_ARB;
if (ctxconfig->noerror)
flags |= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR;
if (ctxconfig->robustness)
{
if (_glfw.glx.ARB_create_context_robustness)
{
if (ctxconfig->robustness == GLFW_NO_RESET_NOTIFICATION)
2015-04-10 11:18:26 +00:00
{
setGLXattrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
GLX_NO_RESET_NOTIFICATION_ARB);
}
else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
2015-04-10 11:18:26 +00:00
{
setGLXattrib(GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB,
GLX_LOSE_CONTEXT_ON_RESET_ARB);
}
2012-12-13 19:43:15 +00:00
flags |= GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB;
}
}
if (ctxconfig->release)
{
if (_glfw.glx.ARB_context_flush_control)
{
if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE)
{
setGLXattrib(GLX_CONTEXT_RELEASE_BEHAVIOR_ARB,
GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB);
}
else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH)
{
setGLXattrib(GLX_CONTEXT_RELEASE_BEHAVIOR_ARB,
GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB);
}
}
}
2015-04-07 00:51:45 +00:00
// 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)
{
setGLXattrib(GLX_CONTEXT_MAJOR_VERSION_ARB, ctxconfig->major);
setGLXattrib(GLX_CONTEXT_MINOR_VERSION_ARB, ctxconfig->minor);
2012-12-13 19:43:15 +00:00
}
2012-12-13 19:43:15 +00:00
if (mask)
setGLXattrib(GLX_CONTEXT_PROFILE_MASK_ARB, mask);
2012-12-13 19:43:15 +00:00
if (flags)
setGLXattrib(GLX_CONTEXT_FLAGS_ARB, flags);
setGLXattrib(None, None);
window->context.glx.handle =
_glfw.glx.CreateContextAttribsARB(_glfw.x11.display,
native,
share,
True,
attribs);
2015-04-07 00:51:45 +00:00
// 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)
{
2013-07-10 23:23:26 +00:00
if (_glfw.x11.errorCode == _glfw.glx.errorBase + GLXBadProfileARB &&
ctxconfig->api == GLFW_OPENGL_API &&
ctxconfig->profile == GLFW_OPENGL_ANY_PROFILE &&
2015-08-23 17:30:04 +00:00
ctxconfig->forward == GLFW_FALSE)
{
window->context.glx.handle =
createLegacyContext(window, native, share);
}
}
}
else
window->context.glx.handle = createLegacyContext(window, native, share);
_glfwReleaseErrorHandlerX11();
if (!window->context.glx.handle)
{
_glfwInputErrorX11(GLFW_VERSION_UNAVAILABLE, "GLX: Failed to create context");
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
}
2015-12-03 03:09:26 +00:00
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;
}
2015-08-23 17:30:04 +00:00
return GLFW_TRUE;
}
#undef setGLXattrib
// Destroy the OpenGL context
2013-02-04 12:22:10 +00:00
//
void _glfwDestroyContextGLX(_GLFWwindow* window)
{
if (window->context.glx.window)
{
2015-12-03 03:09:26 +00:00
glXDestroyWindow(_glfw.x11.display, window->context.glx.window);
window->context.glx.window = None;
}
if (window->context.glx.handle)
{
2015-12-03 03:09:26 +00:00
glXDestroyContext(_glfw.x11.display, window->context.glx.handle);
window->context.glx.handle = NULL;
}
}
// Returns the Visual and depth of the chosen GLXFBConfig
//
GLFWbool _glfwChooseVisualGLX(const _GLFWctxconfig* ctxconfig,
const _GLFWfbconfig* fbconfig,
Visual** visual, int* depth)
{
GLXFBConfig native;
XVisualInfo* result;
if (!chooseFBConfig(fbconfig, &native))
{
_glfwInputError(GLFW_FORMAT_UNAVAILABLE,
"GLX: Failed to find a suitable GLXFBConfig");
return GLFW_FALSE;
}
2015-12-03 03:09:26 +00:00
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 platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformMakeContextCurrent(_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;
}
}
_glfwPlatformSetCurrentContext(window);
}
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
{
2015-12-03 03:09:26 +00:00
glXSwapBuffers(_glfw.x11.display, window->context.glx.window);
}
void _glfwPlatformSwapInterval(int interval)
{
2013-05-02 14:48:11 +00:00
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
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);
}
}
2010-09-08 13:58:43 +00:00
int _glfwPlatformExtensionSupported(const char* extension)
2010-09-07 15:34:51 +00:00
{
const char* extensions =
2015-12-03 03:09:26 +00:00
glXQueryExtensionsString(_glfw.x11.display, _glfw.x11.screen);
2015-04-07 00:51:45 +00:00
if (extensions)
2010-09-07 15:34:51 +00:00
{
2010-09-08 13:51:25 +00:00
if (_glfwStringInExtensionString(extension, extensions))
2015-08-23 17:30:04 +00:00
return GLFW_TRUE;
2010-09-07 15:34:51 +00:00
}
2015-08-23 17:30:04 +00:00
return GLFW_FALSE;
2010-09-07 15:34:51 +00:00
}
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
2010-09-07 15:34:51 +00:00
{
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 dlsym(_glfw.glx.handle, procname);
2010-09-07 15:34:51 +00:00
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////
//////////////////////////////////////////////////////////////////////////
GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
if (window->context.api == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return NULL;
}
return window->context.glx.handle;
}
2015-11-09 22:32:35 +00:00
GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* handle)
{
_GLFWwindow* window = (_GLFWwindow*) handle;
_GLFW_REQUIRE_INIT_OR_RETURN(None);
if (window->context.api == GLFW_NO_API)
{
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
return None;
}
return window->context.glx.window;
}