mirror of
https://github.com/glfw/glfw.git
synced 2024-11-22 21:14:35 +00:00
Moved WGL context logic into OpenGL module.
This commit is contained in:
Camilla Berglund
parent
6c37c84d91
commit
fc74a5533e
@ -31,6 +31,588 @@
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#include "internal.h"
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#include "internal.h"
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//========================================================================
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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_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_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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//========================================================================
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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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//========================================================================
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// Return a list of available and usable framebuffer configs
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//========================================================================
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static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window, unsigned int* found)
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{
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_GLFWfbconfig* fbconfigs;
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PIXELFORMATDESCRIPTOR pfd;
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int i, available;
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*found = 0;
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if (window->WGL.ARB_pixel_format)
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{
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available = 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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available = 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 (!available)
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{
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, "Win32/WGL: No pixel formats found");
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return NULL;
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}
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fbconfigs = (_GLFWfbconfig*) malloc(sizeof(_GLFWfbconfig) * available);
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if (!fbconfigs)
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{
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_glfwSetError(GLFW_OUT_OF_MEMORY,
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"Win32/WGL: Failed to allocate _GLFWfbconfig array");
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return NULL;
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}
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for (i = 1; i <= available; i++)
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{
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_GLFWfbconfig* f = fbconfigs + *found;
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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, i, WGL_SUPPORT_OPENGL_ARB) ||
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!getPixelFormatAttrib(window, i, WGL_DRAW_TO_WINDOW_ARB) ||
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!getPixelFormatAttrib(window, i, WGL_DOUBLE_BUFFER_ARB))
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{
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continue;
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}
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if (getPixelFormatAttrib(window, i, 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, i, 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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f->redBits = getPixelFormatAttrib(window, i, WGL_RED_BITS_ARB);
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f->greenBits = getPixelFormatAttrib(window, i, WGL_GREEN_BITS_ARB);
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f->blueBits = getPixelFormatAttrib(window, i, WGL_BLUE_BITS_ARB);
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f->alphaBits = getPixelFormatAttrib(window, i, WGL_ALPHA_BITS_ARB);
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f->depthBits = getPixelFormatAttrib(window, i, WGL_DEPTH_BITS_ARB);
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f->stencilBits = getPixelFormatAttrib(window, i, WGL_STENCIL_BITS_ARB);
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f->accumRedBits = getPixelFormatAttrib(window, i, WGL_ACCUM_RED_BITS_ARB);
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f->accumGreenBits = getPixelFormatAttrib(window, i, WGL_ACCUM_GREEN_BITS_ARB);
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f->accumBlueBits = getPixelFormatAttrib(window, i, WGL_ACCUM_BLUE_BITS_ARB);
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f->accumAlphaBits = getPixelFormatAttrib(window, i, WGL_ACCUM_ALPHA_BITS_ARB);
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f->auxBuffers = getPixelFormatAttrib(window, i, WGL_AUX_BUFFERS_ARB);
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f->stereo = getPixelFormatAttrib(window, i, WGL_STEREO_ARB);
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if (window->WGL.ARB_multisample)
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f->samples = getPixelFormatAttrib(window, i, WGL_SAMPLES_ARB);
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else
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f->samples = 0;
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}
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else
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{
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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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i,
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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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f->redBits = pfd.cRedBits;
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f->greenBits = pfd.cGreenBits;
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f->blueBits = pfd.cBlueBits;
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f->alphaBits = pfd.cAlphaBits;
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f->depthBits = pfd.cDepthBits;
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f->stencilBits = pfd.cStencilBits;
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f->accumRedBits = pfd.cAccumRedBits;
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f->accumGreenBits = pfd.cAccumGreenBits;
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f->accumBlueBits = pfd.cAccumBlueBits;
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f->accumAlphaBits = pfd.cAccumAlphaBits;
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f->auxBuffers = pfd.cAuxBuffers;
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f->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
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// PFD pixel formats do not support FSAA
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f->samples = 0;
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}
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f->platformID = i;
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(*found)++;
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}
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if (*found == 0)
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{
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free(fbconfigs);
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return NULL;
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}
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return fbconfigs;
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}
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//========================================================================
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// Read back framebuffer parameters from the context
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//========================================================================
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static void refreshContextParams(_GLFWwindow* window, int pixelFormat)
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{
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PIXELFORMATDESCRIPTOR pfd;
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if (window->WGL.ARB_pixel_format)
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{
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if (getPixelFormatAttrib(window, pixelFormat, WGL_ACCELERATION_ARB) !=
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WGL_NO_ACCELERATION_ARB)
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{
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window->accelerated = GL_TRUE;
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}
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else
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window->accelerated = GL_FALSE;
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window->redBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_RED_BITS_ARB);
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window->greenBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_GREEN_BITS_ARB);
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window->blueBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_BLUE_BITS_ARB);
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window->alphaBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_ALPHA_BITS_ARB);
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window->depthBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_DEPTH_BITS_ARB);
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window->stencilBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_STENCIL_BITS_ARB);
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window->accumRedBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_RED_BITS_ARB);
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window->accumGreenBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_GREEN_BITS_ARB);
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window->accumBlueBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_BLUE_BITS_ARB);
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window->accumAlphaBits =
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getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_ALPHA_BITS_ARB);
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window->auxBuffers =
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getPixelFormatAttrib(window, pixelFormat, WGL_AUX_BUFFERS_ARB);
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window->stereo =
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getPixelFormatAttrib(window, pixelFormat, WGL_STEREO_ARB) ? GL_TRUE : GL_FALSE;
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if (window->WGL.ARB_multisample)
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{
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window->samples = getPixelFormatAttrib(window, pixelFormat, WGL_SAMPLES_ARB);
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// We force 1 to zero here because all the other APIs say zero when
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// they really mean 1
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if (window->samples == 1)
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window->samples = 0;
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}
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else
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window->samples = 0;
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}
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else
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{
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DescribePixelFormat(window->WGL.DC, pixelFormat,
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sizeof(PIXELFORMATDESCRIPTOR), &pfd);
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// Is current OpenGL context accelerated?
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window->accelerated = (pfd.dwFlags & PFD_GENERIC_ACCELERATED) ||
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!(pfd.dwFlags & PFD_GENERIC_FORMAT) ? 1 : 0;
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// "Standard" window parameters
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window->redBits = pfd.cRedBits;
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window->greenBits = pfd.cGreenBits;
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window->blueBits = pfd.cBlueBits;
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window->alphaBits = pfd.cAlphaBits;
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window->depthBits = pfd.cDepthBits;
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window->stencilBits = pfd.cStencilBits;
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window->accumRedBits = pfd.cAccumRedBits;
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window->accumGreenBits = pfd.cAccumGreenBits;
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window->accumBlueBits = pfd.cAccumBlueBits;
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window->accumAlphaBits = pfd.cAccumAlphaBits;
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window->auxBuffers = pfd.cAuxBuffers;
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window->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
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// If we don't have WGL_ARB_pixel_format then we can't have created a
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// multisampling context, so it's safe to hardcode zero here
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window->samples = 0;
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}
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}
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//========================================================================
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// Creates an OpenGL context on the specified device context
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//========================================================================
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static GLboolean createContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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int pixelFormat)
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{
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PIXELFORMATDESCRIPTOR pfd;
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int i = 0, attribs[40];
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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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if (!DescribePixelFormat(window->WGL.DC, pixelFormat, sizeof(pfd), &pfd))
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{
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE,
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"Win32/WGL: Failed to retrieve PFD for selected pixel format");
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return GL_FALSE;
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}
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if (!SetPixelFormat(window->WGL.DC, pixelFormat, &pfd))
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{
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE,
|
||||||
|
"Win32/WGL: Failed to set selected pixel format");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (window->WGL.ARB_create_context)
|
||||||
|
{
|
||||||
|
// Use the newer wglCreateContextAttribsARB creation method
|
||||||
|
|
||||||
|
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
|
||||||
|
{
|
||||||
|
// Request an explicitly versioned context
|
||||||
|
|
||||||
|
attribs[i++] = WGL_CONTEXT_MAJOR_VERSION_ARB;
|
||||||
|
attribs[i++] = wndconfig->glMajor;
|
||||||
|
attribs[i++] = WGL_CONTEXT_MINOR_VERSION_ARB;
|
||||||
|
attribs[i++] = wndconfig->glMinor;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wndconfig->glForward || wndconfig->glDebug || wndconfig->glRobustness)
|
||||||
|
{
|
||||||
|
int flags = 0;
|
||||||
|
|
||||||
|
if (wndconfig->glForward)
|
||||||
|
flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
|
||||||
|
|
||||||
|
if (wndconfig->glDebug)
|
||||||
|
flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
|
||||||
|
|
||||||
|
if (wndconfig->glRobustness)
|
||||||
|
flags |= WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB;
|
||||||
|
|
||||||
|
attribs[i++] = WGL_CONTEXT_FLAGS_ARB;
|
||||||
|
attribs[i++] = flags;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wndconfig->glProfile)
|
||||||
|
{
|
||||||
|
int flags = 0;
|
||||||
|
|
||||||
|
if (!window->WGL.ARB_create_context_profile)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
||||||
|
"Win32/WGL: OpenGL profile requested but "
|
||||||
|
"WGL_ARB_create_context_profile is unavailable");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE &&
|
||||||
|
!window->WGL.EXT_create_context_es2_profile)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
||||||
|
"Win32/WGL: OpenGL ES 2.x profile requested but "
|
||||||
|
"WGL_EXT_create_context_es2_profile is unavailable");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wndconfig->glProfile == GLFW_OPENGL_CORE_PROFILE)
|
||||||
|
flags = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
|
||||||
|
else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE)
|
||||||
|
flags = WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
|
||||||
|
else if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE)
|
||||||
|
flags = WGL_CONTEXT_ES2_PROFILE_BIT_EXT;
|
||||||
|
|
||||||
|
attribs[i++] = WGL_CONTEXT_PROFILE_MASK_ARB;
|
||||||
|
attribs[i++] = flags;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wndconfig->glRobustness)
|
||||||
|
{
|
||||||
|
int strategy;
|
||||||
|
|
||||||
|
if (!window->WGL.ARB_create_context_robustness)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
||||||
|
"Win32/WGL: An OpenGL robustness strategy was "
|
||||||
|
"requested but WGL_ARB_create_context_robustness "
|
||||||
|
"is unavailable");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (wndconfig->glRobustness == GLFW_OPENGL_NO_RESET_NOTIFICATION)
|
||||||
|
strategy = WGL_NO_RESET_NOTIFICATION_ARB;
|
||||||
|
else if (wndconfig->glRobustness == GLFW_OPENGL_LOSE_CONTEXT_ON_RESET)
|
||||||
|
strategy = WGL_LOSE_CONTEXT_ON_RESET_ARB;
|
||||||
|
|
||||||
|
attribs[i++] = WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB;
|
||||||
|
attribs[i++] = strategy;
|
||||||
|
}
|
||||||
|
|
||||||
|
attribs[i++] = 0;
|
||||||
|
|
||||||
|
window->WGL.context = window->WGL.CreateContextAttribsARB(window->WGL.DC,
|
||||||
|
share,
|
||||||
|
attribs);
|
||||||
|
if (!window->WGL.context)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
||||||
|
"Win32/WGL: Failed to create OpenGL context");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
window->WGL.context = wglCreateContext(window->WGL.DC);
|
||||||
|
if (!window->WGL.context)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_PLATFORM_ERROR,
|
||||||
|
"Win32/WGL: Failed to create OpenGL context");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (share)
|
||||||
|
{
|
||||||
|
if (!wglShareLists(share, window->WGL.context))
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_PLATFORM_ERROR,
|
||||||
|
"Win32/WGL: Failed to enable sharing with "
|
||||||
|
"specified OpenGL context");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
glfwMakeContextCurrent(window);
|
||||||
|
initWGLExtensions(window);
|
||||||
|
refreshContextParams(window, pixelFormat);
|
||||||
|
|
||||||
|
return GL_TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
//////////////////////////////////////////////////////////////////////////
|
||||||
|
////// GLFW internal API //////
|
||||||
|
//////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Prepare for creation of the OpenGL context
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
int _glfwCreateContext(_GLFWwindow* window,
|
||||||
|
const _GLFWwndconfig* wndconfig,
|
||||||
|
const _GLFWfbconfig* fbconfig)
|
||||||
|
{
|
||||||
|
_GLFWfbconfig closest;
|
||||||
|
|
||||||
|
window->WGL.DC = GetDC(window->Win32.handle);
|
||||||
|
if (!window->WGL.DC)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_PLATFORM_ERROR,
|
||||||
|
"Win32/WGL: Failed to retrieve DC for window");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Choose the best available fbconfig
|
||||||
|
{
|
||||||
|
unsigned int fbcount;
|
||||||
|
_GLFWfbconfig* fbconfigs;
|
||||||
|
const _GLFWfbconfig* result;
|
||||||
|
|
||||||
|
fbconfigs = getFBConfigs(window, &fbcount);
|
||||||
|
if (!fbconfigs)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_PLATFORM_ERROR,
|
||||||
|
"Win32/WGL: No usable pixel formats found");
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
result = _glfwChooseFBConfig(fbconfig, fbconfigs, fbcount);
|
||||||
|
if (!result)
|
||||||
|
{
|
||||||
|
_glfwSetError(GLFW_PLATFORM_ERROR,
|
||||||
|
"Win32/WGL: No pixel format matched the criteria");
|
||||||
|
|
||||||
|
free(fbconfigs);
|
||||||
|
return GL_FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
closest = *result;
|
||||||
|
free(fbconfigs);
|
||||||
|
}
|
||||||
|
|
||||||
|
return createContext(window, wndconfig, (int) closest.platformID);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
//========================================================================
|
||||||
|
// Destroy the OpenGL context
|
||||||
|
//========================================================================
|
||||||
|
|
||||||
|
void _glfwDestroyContext(_GLFWwindow* window)
|
||||||
|
{
|
||||||
|
// This is duplicated from glfwCloseWindow
|
||||||
|
// TODO: Stop duplicating code
|
||||||
|
if (window == _glfwLibrary.currentWindow)
|
||||||
|
glfwMakeContextCurrent(NULL);
|
||||||
|
|
||||||
|
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;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
//////////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////////
|
||||||
////// GLFW platform API //////
|
////// GLFW platform API //////
|
||||||
//////////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////////
|
||||||
|
|||||||
@ -232,6 +232,12 @@ char* _glfwCreateUTF8FromWideString(const WCHAR* source);
|
|||||||
// Time
|
// Time
|
||||||
void _glfwInitTimer(void);
|
void _glfwInitTimer(void);
|
||||||
|
|
||||||
|
// OpenGL support
|
||||||
|
int _glfwCreateContext(_GLFWwindow* window,
|
||||||
|
const _GLFWwndconfig* wndconfig,
|
||||||
|
const _GLFWfbconfig* fbconfig);
|
||||||
|
void _glfwDestroyContext(_GLFWwindow* window);
|
||||||
|
|
||||||
// Fullscreen support
|
// Fullscreen support
|
||||||
void _glfwSetVideoMode(int* width, int* height,
|
void _glfwSetVideoMode(int* width, int* height,
|
||||||
int* bpp, int* refreshRate,
|
int* bpp, int* refreshRate,
|
||||||
|
|||||||
@ -122,329 +122,6 @@ static void setForegroundWindow(HWND hWnd)
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
// Returns the specified attribute of the specified pixel format
|
|
||||||
// NOTE: Do not call this unless we have found WGL_ARB_pixel_format
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
static int getPixelFormatAttrib(_GLFWwindow* window, int pixelFormat, int attrib)
|
|
||||||
{
|
|
||||||
int value = 0;
|
|
||||||
|
|
||||||
if (!window->WGL.GetPixelFormatAttribivARB(window->WGL.DC,
|
|
||||||
pixelFormat,
|
|
||||||
0, 1, &attrib, &value))
|
|
||||||
{
|
|
||||||
// NOTE: We should probably handle this error somehow
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
return value;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
// Return a list of available and usable framebuffer configs
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window, unsigned int* found)
|
|
||||||
{
|
|
||||||
_GLFWfbconfig* fbconfigs;
|
|
||||||
PIXELFORMATDESCRIPTOR pfd;
|
|
||||||
int i, available;
|
|
||||||
|
|
||||||
*found = 0;
|
|
||||||
|
|
||||||
if (window->WGL.ARB_pixel_format)
|
|
||||||
{
|
|
||||||
available = getPixelFormatAttrib(window,
|
|
||||||
1,
|
|
||||||
WGL_NUMBER_PIXEL_FORMATS_ARB);
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
available = DescribePixelFormat(window->WGL.DC,
|
|
||||||
1,
|
|
||||||
sizeof(PIXELFORMATDESCRIPTOR),
|
|
||||||
NULL);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!available)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_OPENGL_UNAVAILABLE, "Win32/WGL: No pixel formats found");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
fbconfigs = (_GLFWfbconfig*) malloc(sizeof(_GLFWfbconfig) * available);
|
|
||||||
if (!fbconfigs)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_OUT_OF_MEMORY,
|
|
||||||
"Win32/WGL: Failed to allocate _GLFWfbconfig array");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
for (i = 1; i <= available; i++)
|
|
||||||
{
|
|
||||||
_GLFWfbconfig* f = fbconfigs + *found;
|
|
||||||
|
|
||||||
if (window->WGL.ARB_pixel_format)
|
|
||||||
{
|
|
||||||
// Get pixel format attributes through WGL_ARB_pixel_format
|
|
||||||
if (!getPixelFormatAttrib(window, i, WGL_SUPPORT_OPENGL_ARB) ||
|
|
||||||
!getPixelFormatAttrib(window, i, WGL_DRAW_TO_WINDOW_ARB) ||
|
|
||||||
!getPixelFormatAttrib(window, i, WGL_DOUBLE_BUFFER_ARB))
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (getPixelFormatAttrib(window, i, WGL_PIXEL_TYPE_ARB) !=
|
|
||||||
WGL_TYPE_RGBA_ARB)
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (getPixelFormatAttrib(window, i, WGL_ACCELERATION_ARB) ==
|
|
||||||
WGL_NO_ACCELERATION_ARB)
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
f->redBits = getPixelFormatAttrib(window, i, WGL_RED_BITS_ARB);
|
|
||||||
f->greenBits = getPixelFormatAttrib(window, i, WGL_GREEN_BITS_ARB);
|
|
||||||
f->blueBits = getPixelFormatAttrib(window, i, WGL_BLUE_BITS_ARB);
|
|
||||||
f->alphaBits = getPixelFormatAttrib(window, i, WGL_ALPHA_BITS_ARB);
|
|
||||||
|
|
||||||
f->depthBits = getPixelFormatAttrib(window, i, WGL_DEPTH_BITS_ARB);
|
|
||||||
f->stencilBits = getPixelFormatAttrib(window, i, WGL_STENCIL_BITS_ARB);
|
|
||||||
|
|
||||||
f->accumRedBits = getPixelFormatAttrib(window, i, WGL_ACCUM_RED_BITS_ARB);
|
|
||||||
f->accumGreenBits = getPixelFormatAttrib(window, i, WGL_ACCUM_GREEN_BITS_ARB);
|
|
||||||
f->accumBlueBits = getPixelFormatAttrib(window, i, WGL_ACCUM_BLUE_BITS_ARB);
|
|
||||||
f->accumAlphaBits = getPixelFormatAttrib(window, i, WGL_ACCUM_ALPHA_BITS_ARB);
|
|
||||||
|
|
||||||
f->auxBuffers = getPixelFormatAttrib(window, i, WGL_AUX_BUFFERS_ARB);
|
|
||||||
f->stereo = getPixelFormatAttrib(window, i, WGL_STEREO_ARB);
|
|
||||||
|
|
||||||
if (window->WGL.ARB_multisample)
|
|
||||||
f->samples = getPixelFormatAttrib(window, i, WGL_SAMPLES_ARB);
|
|
||||||
else
|
|
||||||
f->samples = 0;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
// Get pixel format attributes through old-fashioned PFDs
|
|
||||||
|
|
||||||
if (!DescribePixelFormat(window->WGL.DC,
|
|
||||||
i,
|
|
||||||
sizeof(PIXELFORMATDESCRIPTOR),
|
|
||||||
&pfd))
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!(pfd.dwFlags & PFD_DRAW_TO_WINDOW) ||
|
|
||||||
!(pfd.dwFlags & PFD_SUPPORT_OPENGL) ||
|
|
||||||
!(pfd.dwFlags & PFD_DOUBLEBUFFER))
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!(pfd.dwFlags & PFD_GENERIC_ACCELERATED) &&
|
|
||||||
(pfd.dwFlags & PFD_GENERIC_FORMAT))
|
|
||||||
{
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (pfd.iPixelType != PFD_TYPE_RGBA)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
f->redBits = pfd.cRedBits;
|
|
||||||
f->greenBits = pfd.cGreenBits;
|
|
||||||
f->blueBits = pfd.cBlueBits;
|
|
||||||
f->alphaBits = pfd.cAlphaBits;
|
|
||||||
|
|
||||||
f->depthBits = pfd.cDepthBits;
|
|
||||||
f->stencilBits = pfd.cStencilBits;
|
|
||||||
|
|
||||||
f->accumRedBits = pfd.cAccumRedBits;
|
|
||||||
f->accumGreenBits = pfd.cAccumGreenBits;
|
|
||||||
f->accumBlueBits = pfd.cAccumBlueBits;
|
|
||||||
f->accumAlphaBits = pfd.cAccumAlphaBits;
|
|
||||||
|
|
||||||
f->auxBuffers = pfd.cAuxBuffers;
|
|
||||||
f->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
|
|
||||||
|
|
||||||
// PFD pixel formats do not support FSAA
|
|
||||||
f->samples = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
f->platformID = i;
|
|
||||||
|
|
||||||
(*found)++;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (*found == 0)
|
|
||||||
{
|
|
||||||
free(fbconfigs);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
return fbconfigs;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
// Creates an OpenGL context on the specified device context
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
static GLboolean createContext(_GLFWwindow* window,
|
|
||||||
const _GLFWwndconfig* wndconfig,
|
|
||||||
int pixelFormat)
|
|
||||||
{
|
|
||||||
PIXELFORMATDESCRIPTOR pfd;
|
|
||||||
int i = 0, attribs[40];
|
|
||||||
HGLRC share = NULL;
|
|
||||||
|
|
||||||
if (wndconfig->share)
|
|
||||||
share = wndconfig->share->WGL.context;
|
|
||||||
|
|
||||||
if (!DescribePixelFormat(window->WGL.DC, pixelFormat, sizeof(pfd), &pfd))
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_OPENGL_UNAVAILABLE,
|
|
||||||
"Win32/WGL: Failed to retrieve PFD for selected pixel format");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!SetPixelFormat(window->WGL.DC, pixelFormat, &pfd))
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_OPENGL_UNAVAILABLE,
|
|
||||||
"Win32/WGL: Failed to set selected pixel format");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (window->WGL.ARB_create_context)
|
|
||||||
{
|
|
||||||
// Use the newer wglCreateContextAttribsARB creation method
|
|
||||||
|
|
||||||
if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0)
|
|
||||||
{
|
|
||||||
// Request an explicitly versioned context
|
|
||||||
|
|
||||||
attribs[i++] = WGL_CONTEXT_MAJOR_VERSION_ARB;
|
|
||||||
attribs[i++] = wndconfig->glMajor;
|
|
||||||
attribs[i++] = WGL_CONTEXT_MINOR_VERSION_ARB;
|
|
||||||
attribs[i++] = wndconfig->glMinor;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (wndconfig->glForward || wndconfig->glDebug || wndconfig->glRobustness)
|
|
||||||
{
|
|
||||||
int flags = 0;
|
|
||||||
|
|
||||||
if (wndconfig->glForward)
|
|
||||||
flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
|
|
||||||
|
|
||||||
if (wndconfig->glDebug)
|
|
||||||
flags |= WGL_CONTEXT_DEBUG_BIT_ARB;
|
|
||||||
|
|
||||||
if (wndconfig->glRobustness)
|
|
||||||
flags |= WGL_CONTEXT_ROBUST_ACCESS_BIT_ARB;
|
|
||||||
|
|
||||||
attribs[i++] = WGL_CONTEXT_FLAGS_ARB;
|
|
||||||
attribs[i++] = flags;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (wndconfig->glProfile)
|
|
||||||
{
|
|
||||||
int flags = 0;
|
|
||||||
|
|
||||||
if (!window->WGL.ARB_create_context_profile)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
|
||||||
"Win32/WGL: OpenGL profile requested but "
|
|
||||||
"WGL_ARB_create_context_profile is unavailable");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE &&
|
|
||||||
!window->WGL.EXT_create_context_es2_profile)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
|
||||||
"Win32/WGL: OpenGL ES 2.x profile requested but "
|
|
||||||
"WGL_EXT_create_context_es2_profile is unavailable");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (wndconfig->glProfile == GLFW_OPENGL_CORE_PROFILE)
|
|
||||||
flags = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
|
|
||||||
else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE)
|
|
||||||
flags = WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB;
|
|
||||||
else if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE)
|
|
||||||
flags = WGL_CONTEXT_ES2_PROFILE_BIT_EXT;
|
|
||||||
|
|
||||||
attribs[i++] = WGL_CONTEXT_PROFILE_MASK_ARB;
|
|
||||||
attribs[i++] = flags;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (wndconfig->glRobustness)
|
|
||||||
{
|
|
||||||
int strategy;
|
|
||||||
|
|
||||||
if (!window->WGL.ARB_create_context_robustness)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
|
||||||
"Win32/WGL: An OpenGL robustness strategy was "
|
|
||||||
"requested but WGL_ARB_create_context_robustness "
|
|
||||||
"is unavailable");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (wndconfig->glRobustness == GLFW_OPENGL_NO_RESET_NOTIFICATION)
|
|
||||||
strategy = WGL_NO_RESET_NOTIFICATION_ARB;
|
|
||||||
else if (wndconfig->glRobustness == GLFW_OPENGL_LOSE_CONTEXT_ON_RESET)
|
|
||||||
strategy = WGL_LOSE_CONTEXT_ON_RESET_ARB;
|
|
||||||
|
|
||||||
attribs[i++] = WGL_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB;
|
|
||||||
attribs[i++] = strategy;
|
|
||||||
}
|
|
||||||
|
|
||||||
attribs[i++] = 0;
|
|
||||||
|
|
||||||
window->WGL.context = window->WGL.CreateContextAttribsARB(window->WGL.DC,
|
|
||||||
share,
|
|
||||||
attribs);
|
|
||||||
if (!window->WGL.context)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_VERSION_UNAVAILABLE,
|
|
||||||
"Win32/WGL: Failed to create OpenGL context");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
window->WGL.context = wglCreateContext(window->WGL.DC);
|
|
||||||
if (!window->WGL.context)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_PLATFORM_ERROR,
|
|
||||||
"Win32/WGL: Failed to create OpenGL context");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (share)
|
|
||||||
{
|
|
||||||
if (!wglShareLists(share, window->WGL.context))
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_PLATFORM_ERROR,
|
|
||||||
"Win32/WGL: Failed to enable sharing with "
|
|
||||||
"specified OpenGL context");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return GL_TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
//========================================================================
|
||||||
// Hide mouse cursor
|
// Hide mouse cursor
|
||||||
//========================================================================
|
//========================================================================
|
||||||
@ -1104,94 +781,6 @@ static void getFullWindowSize(_GLFWwindow* window,
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
// Initialize WGL-specific extensions
|
|
||||||
// This function is called once before initial context creation, i.e. before
|
|
||||||
// any WGL extensions could be present. This is done in order to have both
|
|
||||||
// extension variable clearing and loading in the same place, hopefully
|
|
||||||
// decreasing the possibility of forgetting to add one without the other.
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
static void initWGLExtensions(_GLFWwindow* window)
|
|
||||||
{
|
|
||||||
// This needs to include every function pointer loaded below
|
|
||||||
window->WGL.SwapIntervalEXT = NULL;
|
|
||||||
window->WGL.GetPixelFormatAttribivARB = NULL;
|
|
||||||
window->WGL.GetExtensionsStringARB = NULL;
|
|
||||||
window->WGL.GetExtensionsStringEXT = NULL;
|
|
||||||
window->WGL.CreateContextAttribsARB = NULL;
|
|
||||||
|
|
||||||
// This needs to include every extension used below except for
|
|
||||||
// WGL_ARB_extensions_string and WGL_EXT_extensions_string
|
|
||||||
window->WGL.ARB_multisample = GL_FALSE;
|
|
||||||
window->WGL.ARB_create_context = GL_FALSE;
|
|
||||||
window->WGL.ARB_create_context_profile = GL_FALSE;
|
|
||||||
window->WGL.EXT_create_context_es2_profile = GL_FALSE;
|
|
||||||
window->WGL.ARB_create_context_robustness = GL_FALSE;
|
|
||||||
window->WGL.EXT_swap_control = GL_FALSE;
|
|
||||||
window->WGL.ARB_pixel_format = GL_FALSE;
|
|
||||||
|
|
||||||
window->WGL.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)
|
|
||||||
wglGetProcAddress("wglGetExtensionsStringEXT");
|
|
||||||
if (!window->WGL.GetExtensionsStringEXT)
|
|
||||||
{
|
|
||||||
window->WGL.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)
|
|
||||||
wglGetProcAddress("wglGetExtensionsStringARB");
|
|
||||||
if (!window->WGL.GetExtensionsStringARB)
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_ARB_multisample"))
|
|
||||||
window->WGL.ARB_multisample = GL_TRUE;
|
|
||||||
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_ARB_create_context"))
|
|
||||||
{
|
|
||||||
window->WGL.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)
|
|
||||||
wglGetProcAddress("wglCreateContextAttribsARB");
|
|
||||||
|
|
||||||
if (window->WGL.CreateContextAttribsARB)
|
|
||||||
window->WGL.ARB_create_context = GL_TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (window->WGL.ARB_create_context)
|
|
||||||
{
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_ARB_create_context_profile"))
|
|
||||||
window->WGL.ARB_create_context_profile = GL_TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (window->WGL.ARB_create_context &&
|
|
||||||
window->WGL.ARB_create_context_profile)
|
|
||||||
{
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_EXT_create_context_es2_profile"))
|
|
||||||
window->WGL.EXT_create_context_es2_profile = GL_TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (window->WGL.ARB_create_context)
|
|
||||||
{
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_ARB_create_context_robustness"))
|
|
||||||
window->WGL.ARB_create_context_robustness = GL_TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_EXT_swap_control"))
|
|
||||||
{
|
|
||||||
window->WGL.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)
|
|
||||||
wglGetProcAddress("wglSwapIntervalEXT");
|
|
||||||
|
|
||||||
if (window->WGL.SwapIntervalEXT)
|
|
||||||
window->WGL.EXT_swap_control = GL_TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (_glfwPlatformExtensionSupported("WGL_ARB_pixel_format"))
|
|
||||||
{
|
|
||||||
window->WGL.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)
|
|
||||||
wglGetProcAddress("wglGetPixelFormatAttribivARB");
|
|
||||||
|
|
||||||
if (window->WGL.GetPixelFormatAttribivARB)
|
|
||||||
window->WGL.ARB_pixel_format = GL_TRUE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
//========================================================================
|
||||||
// Registers the GLFW window class
|
// Registers the GLFW window class
|
||||||
//========================================================================
|
//========================================================================
|
||||||
@ -1232,38 +821,6 @@ static ATOM registerWindowClass(void)
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
|
||||||
// Returns the closest matching pixel format, or zero on error
|
|
||||||
//========================================================================
|
|
||||||
|
|
||||||
static int choosePixelFormat(_GLFWwindow* window, const _GLFWfbconfig* fbconfig)
|
|
||||||
{
|
|
||||||
unsigned int fbcount;
|
|
||||||
int pixelFormat;
|
|
||||||
_GLFWfbconfig* fbconfigs;
|
|
||||||
const _GLFWfbconfig* closest;
|
|
||||||
|
|
||||||
fbconfigs = getFBConfigs(window, &fbcount);
|
|
||||||
if (!fbconfigs)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
closest = _glfwChooseFBConfig(fbconfig, fbconfigs, fbcount);
|
|
||||||
if (!closest)
|
|
||||||
{
|
|
||||||
free(fbconfigs);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
pixelFormat = (int) closest->platformID;
|
|
||||||
|
|
||||||
free(fbconfigs);
|
|
||||||
fbconfigs = NULL;
|
|
||||||
closest = NULL;
|
|
||||||
|
|
||||||
return pixelFormat;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
//========================================================================
|
//========================================================================
|
||||||
// Creates the GLFW window and rendering context
|
// Creates the GLFW window and rendering context
|
||||||
//========================================================================
|
//========================================================================
|
||||||
@ -1273,7 +830,7 @@ static int createWindow(_GLFWwindow* window,
|
|||||||
const _GLFWfbconfig* fbconfig)
|
const _GLFWfbconfig* fbconfig)
|
||||||
{
|
{
|
||||||
DWORD dwStyle, dwExStyle;
|
DWORD dwStyle, dwExStyle;
|
||||||
int pixelFormat, fullWidth, fullHeight;
|
int fullWidth, fullHeight;
|
||||||
RECT wa;
|
RECT wa;
|
||||||
POINT pos;
|
POINT pos;
|
||||||
WCHAR* wideTitle;
|
WCHAR* wideTitle;
|
||||||
@ -1353,31 +910,15 @@ static int createWindow(_GLFWwindow* window,
|
|||||||
|
|
||||||
free(wideTitle);
|
free(wideTitle);
|
||||||
|
|
||||||
window->WGL.DC = GetDC(window->Win32.handle);
|
|
||||||
if (!window->WGL.DC)
|
|
||||||
{
|
|
||||||
_glfwSetError(GLFW_PLATFORM_ERROR,
|
|
||||||
"Win32/WGL: Failed to retrieve DC for window");
|
|
||||||
return GL_FALSE;
|
|
||||||
}
|
|
||||||
|
|
||||||
pixelFormat = choosePixelFormat(window, fbconfig);
|
|
||||||
if (!pixelFormat)
|
|
||||||
return GL_FALSE;
|
|
||||||
|
|
||||||
if (!createContext(window, wndconfig, pixelFormat))
|
|
||||||
return GL_FALSE;
|
|
||||||
|
|
||||||
glfwMakeContextCurrent(window);
|
|
||||||
|
|
||||||
initWGLExtensions(window);
|
|
||||||
|
|
||||||
// Initialize cursor position data
|
// Initialize cursor position data
|
||||||
GetCursorPos(&pos);
|
GetCursorPos(&pos);
|
||||||
ScreenToClient(window->Win32.handle, &pos);
|
ScreenToClient(window->Win32.handle, &pos);
|
||||||
window->Win32.oldCursorX = window->cursorPosX = pos.x;
|
window->Win32.oldCursorX = window->cursorPosX = pos.x;
|
||||||
window->Win32.oldCursorY = window->cursorPosY = pos.y;
|
window->Win32.oldCursorY = window->cursorPosY = pos.y;
|
||||||
|
|
||||||
|
if (!_glfwCreateContext(window, wndconfig, fbconfig))
|
||||||
|
return GL_FALSE;
|
||||||
|
|
||||||
return GL_TRUE;
|
return GL_TRUE;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -1388,28 +929,13 @@ static int createWindow(_GLFWwindow* window,
|
|||||||
|
|
||||||
static void destroyWindow(_GLFWwindow* window)
|
static void destroyWindow(_GLFWwindow* window)
|
||||||
{
|
{
|
||||||
// This is duplicated from glfwCloseWindow
|
_glfwDestroyContext(window);
|
||||||
// TODO: Stop duplicating code
|
|
||||||
if (window == _glfwLibrary.currentWindow)
|
|
||||||
glfwMakeContextCurrent(NULL);
|
|
||||||
|
|
||||||
// This is duplicated from glfwCloseWindow
|
// This is duplicated from glfwCloseWindow
|
||||||
// TODO: Stop duplicating code
|
// TODO: Stop duplicating code
|
||||||
if (window == _glfwLibrary.activeWindow)
|
if (window == _glfwLibrary.activeWindow)
|
||||||
_glfwLibrary.activeWindow = NULL;
|
_glfwLibrary.activeWindow = NULL;
|
||||||
|
|
||||||
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;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (window->Win32.handle)
|
if (window->Win32.handle)
|
||||||
{
|
{
|
||||||
DestroyWindow(window->Win32.handle);
|
DestroyWindow(window->Win32.handle);
|
||||||
@ -1669,93 +1195,10 @@ void _glfwPlatformRestoreWindow(_GLFWwindow* window)
|
|||||||
|
|
||||||
void _glfwPlatformRefreshWindowParams(void)
|
void _glfwPlatformRefreshWindowParams(void)
|
||||||
{
|
{
|
||||||
PIXELFORMATDESCRIPTOR pfd;
|
|
||||||
DEVMODE dm;
|
DEVMODE dm;
|
||||||
int pixelFormat;
|
|
||||||
|
|
||||||
_GLFWwindow* window = _glfwLibrary.currentWindow;
|
_GLFWwindow* window = _glfwLibrary.currentWindow;
|
||||||
|
|
||||||
// Obtain a detailed description of current pixel format
|
ZeroMemory(&dm, sizeof(DEVMODE));
|
||||||
pixelFormat = GetPixelFormat(window->WGL.DC);
|
|
||||||
|
|
||||||
if (window->WGL.ARB_pixel_format)
|
|
||||||
{
|
|
||||||
if (getPixelFormatAttrib(window, pixelFormat, WGL_ACCELERATION_ARB) !=
|
|
||||||
WGL_NO_ACCELERATION_ARB)
|
|
||||||
{
|
|
||||||
window->accelerated = GL_TRUE;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
window->accelerated = GL_FALSE;
|
|
||||||
|
|
||||||
window->redBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_RED_BITS_ARB);
|
|
||||||
window->greenBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_GREEN_BITS_ARB);
|
|
||||||
window->blueBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_BLUE_BITS_ARB);
|
|
||||||
|
|
||||||
window->alphaBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_ALPHA_BITS_ARB);
|
|
||||||
window->depthBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_DEPTH_BITS_ARB);
|
|
||||||
window->stencilBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_STENCIL_BITS_ARB);
|
|
||||||
|
|
||||||
window->accumRedBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_RED_BITS_ARB);
|
|
||||||
window->accumGreenBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_GREEN_BITS_ARB);
|
|
||||||
window->accumBlueBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_BLUE_BITS_ARB);
|
|
||||||
window->accumAlphaBits =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_ALPHA_BITS_ARB);
|
|
||||||
|
|
||||||
window->auxBuffers =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_AUX_BUFFERS_ARB);
|
|
||||||
window->stereo =
|
|
||||||
getPixelFormatAttrib(window, pixelFormat, WGL_STEREO_ARB) ? GL_TRUE : GL_FALSE;
|
|
||||||
|
|
||||||
if (window->WGL.ARB_multisample)
|
|
||||||
{
|
|
||||||
window->samples = getPixelFormatAttrib(window, pixelFormat, WGL_SAMPLES_ARB);
|
|
||||||
|
|
||||||
// We force 1 to zero here because all the other APIs say zero when
|
|
||||||
// they really mean 1
|
|
||||||
if (window->samples == 1)
|
|
||||||
window->samples = 0;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
window->samples = 0;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
DescribePixelFormat(window->WGL.DC, pixelFormat,
|
|
||||||
sizeof(PIXELFORMATDESCRIPTOR), &pfd);
|
|
||||||
|
|
||||||
// Is current OpenGL context accelerated?
|
|
||||||
window->accelerated = (pfd.dwFlags & PFD_GENERIC_ACCELERATED) ||
|
|
||||||
!(pfd.dwFlags & PFD_GENERIC_FORMAT) ? 1 : 0;
|
|
||||||
|
|
||||||
// "Standard" window parameters
|
|
||||||
window->redBits = pfd.cRedBits;
|
|
||||||
window->greenBits = pfd.cGreenBits;
|
|
||||||
window->blueBits = pfd.cBlueBits;
|
|
||||||
window->alphaBits = pfd.cAlphaBits;
|
|
||||||
window->depthBits = pfd.cDepthBits;
|
|
||||||
window->stencilBits = pfd.cStencilBits;
|
|
||||||
window->accumRedBits = pfd.cAccumRedBits;
|
|
||||||
window->accumGreenBits = pfd.cAccumGreenBits;
|
|
||||||
window->accumBlueBits = pfd.cAccumBlueBits;
|
|
||||||
window->accumAlphaBits = pfd.cAccumAlphaBits;
|
|
||||||
window->auxBuffers = pfd.cAuxBuffers;
|
|
||||||
window->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
|
|
||||||
|
|
||||||
// If we don't have WGL_ARB_pixel_format then we can't have created a
|
|
||||||
// multisampling context, so it's safe to hardcode zero here
|
|
||||||
window->samples = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
dm.dmSize = sizeof(DEVMODE);
|
dm.dmSize = sizeof(DEVMODE);
|
||||||
|
|
||||||
if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm))
|
if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm))
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user