Added Box2D
This commit is contained in:
Julian Nießner
662
external/Box2D-2.3.1/Box2D/glfw/wgl_context.c
vendored
Normal file
662
external/Box2D-2.3.1/Box2D/glfw/wgl_context.c
vendored
Normal file
@@ -0,0 +1,662 @@
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//========================================================================
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// GLFW 3.0 WGL - www.glfw.org
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//------------------------------------------------------------------------
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// Copyright (c) 2002-2006 Marcus Geelnard
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <stdlib.h>
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#include <malloc.h>
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#include <assert.h>
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// Initialize WGL-specific extensions
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// This function is called once before initial context creation, i.e. before
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// any WGL extensions could be present. This is done in order to have both
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// extension variable clearing and loading in the same place, hopefully
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// decreasing the possibility of forgetting to add one without the other.
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//
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static void initWGLExtensions(_GLFWwindow* window)
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{
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// This needs to include every function pointer loaded below
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window->wgl.SwapIntervalEXT = NULL;
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window->wgl.GetPixelFormatAttribivARB = NULL;
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window->wgl.GetExtensionsStringARB = NULL;
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window->wgl.GetExtensionsStringEXT = NULL;
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window->wgl.CreateContextAttribsARB = NULL;
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// This needs to include every extension used below except for
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// WGL_ARB_extensions_string and WGL_EXT_extensions_string
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window->wgl.ARB_multisample = GL_FALSE;
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window->wgl.ARB_framebuffer_sRGB = GL_FALSE;
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window->wgl.ARB_create_context = GL_FALSE;
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window->wgl.ARB_create_context_profile = GL_FALSE;
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window->wgl.EXT_create_context_es2_profile = GL_FALSE;
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window->wgl.ARB_create_context_robustness = GL_FALSE;
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window->wgl.EXT_swap_control = GL_FALSE;
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window->wgl.ARB_pixel_format = GL_FALSE;
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window->wgl.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)
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wglGetProcAddress("wglGetExtensionsStringEXT");
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if (!window->wgl.GetExtensionsStringEXT)
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{
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window->wgl.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
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wglGetProcAddress("wglGetExtensionsStringARB");
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if (!window->wgl.GetExtensionsStringARB)
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return;
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}
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if (_glfwPlatformExtensionSupported("WGL_ARB_multisample"))
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window->wgl.ARB_multisample = GL_TRUE;
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if (_glfwPlatformExtensionSupported("WGL_ARB_framebuffer_sRGB"))
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window->wgl.ARB_framebuffer_sRGB = GL_TRUE;
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if (_glfwPlatformExtensionSupported("WGL_ARB_create_context"))
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{
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window->wgl.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)
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wglGetProcAddress("wglCreateContextAttribsARB");
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if (window->wgl.CreateContextAttribsARB)
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window->wgl.ARB_create_context = GL_TRUE;
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}
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if (window->wgl.ARB_create_context)
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{
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if (_glfwPlatformExtensionSupported("WGL_ARB_create_context_profile"))
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window->wgl.ARB_create_context_profile = GL_TRUE;
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}
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if (window->wgl.ARB_create_context &&
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window->wgl.ARB_create_context_profile)
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{
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if (_glfwPlatformExtensionSupported("WGL_EXT_create_context_es2_profile"))
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window->wgl.EXT_create_context_es2_profile = GL_TRUE;
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}
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if (window->wgl.ARB_create_context)
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{
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if (_glfwPlatformExtensionSupported("WGL_ARB_create_context_robustness"))
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window->wgl.ARB_create_context_robustness = GL_TRUE;
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}
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if (_glfwPlatformExtensionSupported("WGL_EXT_swap_control"))
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{
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window->wgl.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)
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wglGetProcAddress("wglSwapIntervalEXT");
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if (window->wgl.SwapIntervalEXT)
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window->wgl.EXT_swap_control = GL_TRUE;
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}
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if (_glfwPlatformExtensionSupported("WGL_ARB_pixel_format"))
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{
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window->wgl.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)
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wglGetProcAddress("wglGetPixelFormatAttribivARB");
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if (window->wgl.GetPixelFormatAttribivARB)
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window->wgl.ARB_pixel_format = GL_TRUE;
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}
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}
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// Returns the specified attribute of the specified pixel format
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// NOTE: Do not call this unless we have found WGL_ARB_pixel_format
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//
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static int getPixelFormatAttrib(_GLFWwindow* window, int pixelFormat, int attrib)
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{
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int value = 0;
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if (!window->wgl.GetPixelFormatAttribivARB(window->wgl.dc,
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pixelFormat,
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0, 1, &attrib, &value))
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{
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// NOTE: We should probably handle this error somehow
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return 0;
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}
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return value;
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}
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// Return a list of available and usable framebuffer configs
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//
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static GLboolean choosePixelFormat(_GLFWwindow* window,
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const _GLFWfbconfig* desired,
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int* result)
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{
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_GLFWfbconfig* usableConfigs;
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const _GLFWfbconfig* closest;
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int i, nativeCount, usableCount;
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if (window->wgl.ARB_pixel_format)
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{
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nativeCount = getPixelFormatAttrib(window,
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1,
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WGL_NUMBER_PIXEL_FORMATS_ARB);
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}
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else
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{
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nativeCount = DescribePixelFormat(window->wgl.dc,
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1,
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sizeof(PIXELFORMATDESCRIPTOR),
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NULL);
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}
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if (!nativeCount)
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{
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_glfwInputError(GLFW_API_UNAVAILABLE, "WGL: No pixel formats found");
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return GL_FALSE;
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}
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usableConfigs = calloc(nativeCount, sizeof(_GLFWfbconfig));
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usableCount = 0;
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for (i = 0; i < nativeCount; i++)
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{
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const int n = i + 1;
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_GLFWfbconfig* u = usableConfigs + usableCount;
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if (window->wgl.ARB_pixel_format)
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{
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// Get pixel format attributes through WGL_ARB_pixel_format
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if (!getPixelFormatAttrib(window, n, WGL_SUPPORT_OPENGL_ARB) ||
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!getPixelFormatAttrib(window, n, WGL_DRAW_TO_WINDOW_ARB) ||
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!getPixelFormatAttrib(window, n, WGL_DOUBLE_BUFFER_ARB))
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{
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continue;
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}
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if (getPixelFormatAttrib(window, n, WGL_PIXEL_TYPE_ARB) !=
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WGL_TYPE_RGBA_ARB)
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{
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continue;
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}
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if (getPixelFormatAttrib(window, n, WGL_ACCELERATION_ARB) ==
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WGL_NO_ACCELERATION_ARB)
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{
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continue;
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}
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u->redBits = getPixelFormatAttrib(window, n, WGL_RED_BITS_ARB);
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u->greenBits = getPixelFormatAttrib(window, n, WGL_GREEN_BITS_ARB);
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u->blueBits = getPixelFormatAttrib(window, n, WGL_BLUE_BITS_ARB);
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u->alphaBits = getPixelFormatAttrib(window, n, WGL_ALPHA_BITS_ARB);
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u->depthBits = getPixelFormatAttrib(window, n, WGL_DEPTH_BITS_ARB);
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u->stencilBits = getPixelFormatAttrib(window, n, WGL_STENCIL_BITS_ARB);
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u->accumRedBits = getPixelFormatAttrib(window, n, WGL_ACCUM_RED_BITS_ARB);
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u->accumGreenBits = getPixelFormatAttrib(window, n, WGL_ACCUM_GREEN_BITS_ARB);
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u->accumBlueBits = getPixelFormatAttrib(window, n, WGL_ACCUM_BLUE_BITS_ARB);
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u->accumAlphaBits = getPixelFormatAttrib(window, n, WGL_ACCUM_ALPHA_BITS_ARB);
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u->auxBuffers = getPixelFormatAttrib(window, n, WGL_AUX_BUFFERS_ARB);
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u->stereo = getPixelFormatAttrib(window, n, WGL_STEREO_ARB);
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if (window->wgl.ARB_multisample)
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u->samples = getPixelFormatAttrib(window, n, WGL_SAMPLES_ARB);
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if (window->wgl.ARB_framebuffer_sRGB)
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u->sRGB = getPixelFormatAttrib(window, n, WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB);
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}
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else
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{
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PIXELFORMATDESCRIPTOR pfd;
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// Get pixel format attributes through old-fashioned PFDs
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if (!DescribePixelFormat(window->wgl.dc,
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n,
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sizeof(PIXELFORMATDESCRIPTOR),
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&pfd))
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{
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continue;
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}
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if (!(pfd.dwFlags & PFD_DRAW_TO_WINDOW) ||
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!(pfd.dwFlags & PFD_SUPPORT_OPENGL) ||
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!(pfd.dwFlags & PFD_DOUBLEBUFFER))
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{
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continue;
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}
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if (!(pfd.dwFlags & PFD_GENERIC_ACCELERATED) &&
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(pfd.dwFlags & PFD_GENERIC_FORMAT))
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{
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continue;
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}
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if (pfd.iPixelType != PFD_TYPE_RGBA)
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continue;
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u->redBits = pfd.cRedBits;
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u->greenBits = pfd.cGreenBits;
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u->blueBits = pfd.cBlueBits;
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u->alphaBits = pfd.cAlphaBits;
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u->depthBits = pfd.cDepthBits;
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u->stencilBits = pfd.cStencilBits;
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u->accumRedBits = pfd.cAccumRedBits;
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u->accumGreenBits = pfd.cAccumGreenBits;
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u->accumBlueBits = pfd.cAccumBlueBits;
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u->accumAlphaBits = pfd.cAccumAlphaBits;
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u->auxBuffers = pfd.cAuxBuffers;
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u->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
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}
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u->wgl = n;
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usableCount++;
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}
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closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
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if (!closest)
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{
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free(usableConfigs);
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return GL_FALSE;
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}
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*result = closest->wgl;
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free(usableConfigs);
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return GL_TRUE;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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// Initialize WGL
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//
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int _glfwInitContextAPI(void)
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{
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_glfw.wgl.opengl32.instance = LoadLibrary(L"opengl32.dll");
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if (!_glfw.wgl.opengl32.instance)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR, "Failed to load opengl32.dll");
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return GL_FALSE;
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}
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_glfw.wgl.current = TlsAlloc();
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if (_glfw.wgl.current == TLS_OUT_OF_INDEXES)
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{
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"WGL: Failed to allocate TLS index");
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return GL_FALSE;
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}
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_glfw.wgl.hasTLS = GL_TRUE;
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return GL_TRUE;
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}
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// Terminate WGL
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//
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void _glfwTerminateContextAPI(void)
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{
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if (_glfw.wgl.hasTLS)
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TlsFree(_glfw.wgl.current);
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if (_glfw.wgl.opengl32.instance)
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FreeLibrary(_glfw.wgl.opengl32.instance);
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}
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#define setWGLattrib(attribName, attribValue) \
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||||
{ \
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attribs[index++] = attribName; \
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attribs[index++] = attribValue; \
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assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
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}
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// Prepare for creation of the OpenGL context
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//
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWfbconfig* fbconfig)
|
||||
{
|
||||
int attribs[40];
|
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int pixelFormat = 0;
|
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PIXELFORMATDESCRIPTOR pfd;
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HGLRC share = NULL;
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if (wndconfig->share)
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share = wndconfig->share->wgl.context;
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window->wgl.dc = GetDC(window->win32.handle);
|
||||
if (!window->wgl.dc)
|
||||
{
|
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_glfwInputError(GLFW_PLATFORM_ERROR,
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"Win32: Failed to retrieve DC for window");
|
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return GL_FALSE;
|
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}
|
||||
|
||||
if (!choosePixelFormat(window, fbconfig, &pixelFormat))
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
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"WGL: Failed to find a suitable pixel format");
|
||||
return GL_FALSE;
|
||||
}
|
||||
|
||||
if (!DescribePixelFormat(window->wgl.dc, pixelFormat, sizeof(pfd), &pfd))
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"Win32: Failed to retrieve PFD for selected pixel "
|
||||
"format");
|
||||
return GL_FALSE;
|
||||
}
|
||||
|
||||
if (!SetPixelFormat(window->wgl.dc, pixelFormat, &pfd))
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"Win32: Failed to set selected pixel format");
|
||||
return GL_FALSE;
|
||||
}
|
||||
|
||||
if (window->wgl.ARB_create_context)
|
||||
{
|
||||
int index = 0, mask = 0, flags = 0, strategy = 0;
|
||||
|
||||
if (wndconfig->clientAPI == GLFW_OPENGL_API)
|
||||
{
|
||||
if (wndconfig->glForward)
|
||||
flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
|
||||
|
||||
if (wndconfig->glDebug)
|
||||
flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
|
||||
|
||||
if (wndconfig->glProfile)
|
||||
{
|
||||
if (wndconfig->glProfile == GLFW_OPENGL_CORE_PROFILE)
|
||||
mask |= WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
|
||||
else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE)
|
||||
mask |= WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
|
||||
}
|
||||
}
|
||||
else
|
||||
mask |= WGL_CONTEXT_ES2_PROFILE_BIT_EXT;
|
||||
|
||||
if (wndconfig->glRobustness)
|
||||
{
|
||||
if (window->wgl.ARB_create_context_robustness)
|
||||
{
|
||||
if (wndconfig->glRobustness == GLFW_NO_RESET_NOTIFICATION)
|
||||
strategy = WGL_NO_RESET_NOTIFICATION_ARB;
|
||||
else if (wndconfig->glRobustness == GLFW_LOSE_CONTEXT_ON_RESET)
|
||||
strategy = WGL_LOSE_CONTEXT_ON_RESET_ARB;
|
||||
|
||||
flags |= WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB;
|
||||
}
|
||||
}
|
||||
|
||||
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
|
||||
{
|
||||
setWGLattrib(WGL_CONTEXT_MAJOR_VERSION_ARB, wndconfig->glMajor);
|
||||
setWGLattrib(WGL_CONTEXT_MINOR_VERSION_ARB, wndconfig->glMinor);
|
||||
}
|
||||
|
||||
if (flags)
|
||||
setWGLattrib(WGL_CONTEXT_FLAGS_ARB, flags);
|
||||
|
||||
if (mask)
|
||||
setWGLattrib(WGL_CONTEXT_PROFILE_MASK_ARB, mask);
|
||||
|
||||
if (strategy)
|
||||
setWGLattrib(WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB, strategy);
|
||||
|
||||
setWGLattrib(0, 0);
|
||||
|
||||
window->wgl.context = window->wgl.CreateContextAttribsARB(window->wgl.dc,
|
||||
share,
|
||||
attribs);
|
||||
if (!window->wgl.context)
|
||||
{
|
||||
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
|
||||
"WGL: Failed to create OpenGL context");
|
||||
return GL_FALSE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
window->wgl.context = wglCreateContext(window->wgl.dc);
|
||||
if (!window->wgl.context)
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"WGL: Failed to create OpenGL context");
|
||||
return GL_FALSE;
|
||||
}
|
||||
|
||||
if (share)
|
||||
{
|
||||
if (!wglShareLists(share, window->wgl.context))
|
||||
{
|
||||
_glfwInputError(GLFW_PLATFORM_ERROR,
|
||||
"WGL: Failed to enable sharing with specified "
|
||||
"OpenGL context");
|
||||
return GL_FALSE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
_glfwPlatformMakeContextCurrent(window);
|
||||
initWGLExtensions(window);
|
||||
|
||||
return GL_TRUE;
|
||||
}
|
||||
|
||||
#undef setWGLattrib
|
||||
|
||||
// Destroy the OpenGL context
|
||||
//
|
||||
void _glfwDestroyContext(_GLFWwindow* window)
|
||||
{
|
||||
if (window->wgl.context)
|
||||
{
|
||||
wglDeleteContext(window->wgl.context);
|
||||
window->wgl.context = NULL;
|
||||
}
|
||||
|
||||
if (window->wgl.dc)
|
||||
{
|
||||
ReleaseDC(window->win32.handle, window->wgl.dc);
|
||||
window->wgl.dc = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
// Analyzes the specified context for possible recreation
|
||||
//
|
||||
int _glfwAnalyzeContext(const _GLFWwindow* window,
|
||||
const _GLFWwndconfig* wndconfig,
|
||||
const _GLFWfbconfig* fbconfig)
|
||||
{
|
||||
GLboolean required = GL_FALSE;
|
||||
|
||||
if (wndconfig->clientAPI == GLFW_OPENGL_API)
|
||||
{
|
||||
if (wndconfig->glForward)
|
||||
{
|
||||
if (!window->wgl.ARB_create_context)
|
||||
{
|
||||
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
|
||||
"WGL: A forward compatible OpenGL context "
|
||||
"requested but WGL_ARB_create_context is "
|
||||
"unavailable");
|
||||
return _GLFW_RECREATION_IMPOSSIBLE;
|
||||
}
|
||||
|
||||
required = GL_TRUE;
|
||||
}
|
||||
|
||||
if (wndconfig->glProfile)
|
||||
{
|
||||
if (!window->wgl.ARB_create_context_profile)
|
||||
{
|
||||
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
|
||||
"WGL: OpenGL profile requested but "
|
||||
"WGL_ARB_create_context_profile is unavailable");
|
||||
return _GLFW_RECREATION_IMPOSSIBLE;
|
||||
}
|
||||
|
||||
required = GL_TRUE;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!window->wgl.ARB_create_context ||
|
||||
!window->wgl.ARB_create_context_profile ||
|
||||
!window->wgl.EXT_create_context_es2_profile)
|
||||
{
|
||||
_glfwInputError(GLFW_API_UNAVAILABLE,
|
||||
"WGL: OpenGL ES requested but "
|
||||
"WGL_ARB_create_context_es2_profile is unavailable");
|
||||
return _GLFW_RECREATION_IMPOSSIBLE;
|
||||
}
|
||||
|
||||
required = GL_TRUE;
|
||||
}
|
||||
|
||||
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
|
||||
{
|
||||
if (window->wgl.ARB_create_context)
|
||||
required = GL_TRUE;
|
||||
}
|
||||
|
||||
if (wndconfig->glDebug)
|
||||
{
|
||||
if (window->wgl.ARB_create_context)
|
||||
required = GL_TRUE;
|
||||
}
|
||||
|
||||
if (fbconfig->samples > 0)
|
||||
{
|
||||
// We want FSAA, but can we get it?
|
||||
// FSAA is not a hard constraint, so otherwise we just don't care
|
||||
|
||||
if (window->wgl.ARB_multisample && window->wgl.ARB_pixel_format)
|
||||
{
|
||||
// We appear to have both the extension and the means to ask for it
|
||||
required = GL_TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (required)
|
||||
return _GLFW_RECREATION_REQUIRED;
|
||||
|
||||
return _GLFW_RECREATION_NOT_NEEDED;
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
////// GLFW platform API //////
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
|
||||
{
|
||||
if (window)
|
||||
wglMakeCurrent(window->wgl.dc, window->wgl.context);
|
||||
else
|
||||
wglMakeCurrent(NULL, NULL);
|
||||
|
||||
TlsSetValue(_glfw.wgl.current, window);
|
||||
}
|
||||
|
||||
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
|
||||
{
|
||||
return TlsGetValue(_glfw.wgl.current);
|
||||
}
|
||||
|
||||
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
|
||||
{
|
||||
SwapBuffers(window->wgl.dc);
|
||||
}
|
||||
|
||||
void _glfwPlatformSwapInterval(int interval)
|
||||
{
|
||||
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
|
||||
|
||||
#if !defined(_GLFW_USE_DWM_SWAP_INTERVAL)
|
||||
if (_glfwIsCompositionEnabled())
|
||||
{
|
||||
// Don't enabled vsync when desktop compositing is enabled, as it leads
|
||||
// to frame jitter
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (window->wgl.EXT_swap_control)
|
||||
window->wgl.SwapIntervalEXT(interval);
|
||||
}
|
||||
|
||||
int _glfwPlatformExtensionSupported(const char* extension)
|
||||
{
|
||||
const GLubyte* extensions;
|
||||
|
||||
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
|
||||
|
||||
if (window->wgl.GetExtensionsStringEXT != NULL)
|
||||
{
|
||||
extensions = (GLubyte*) window->wgl.GetExtensionsStringEXT();
|
||||
if (extensions != NULL)
|
||||
{
|
||||
if (_glfwStringInExtensionString(extension, extensions))
|
||||
return GL_TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
if (window->wgl.GetExtensionsStringARB != NULL)
|
||||
{
|
||||
extensions = (GLubyte*) window->wgl.GetExtensionsStringARB(window->wgl.dc);
|
||||
if (extensions != NULL)
|
||||
{
|
||||
if (_glfwStringInExtensionString(extension, extensions))
|
||||
return GL_TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
return GL_FALSE;
|
||||
}
|
||||
|
||||
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
|
||||
{
|
||||
const GLFWglproc proc = (GLFWglproc) wglGetProcAddress(procname);
|
||||
if (proc)
|
||||
return proc;
|
||||
|
||||
return (GLFWglproc) GetProcAddress(_glfw.wgl.opengl32.instance, procname);
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
////// GLFW native API //////
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* handle)
|
||||
{
|
||||
_GLFWwindow* window = (_GLFWwindow*) handle;
|
||||
_GLFW_REQUIRE_INIT_OR_RETURN(NULL);
|
||||
return window->wgl.context;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user