mirror of
https://github.com/glfw/glfw.git
synced 2024-11-26 06:14:35 +00:00
Moved WGL context logic into OpenGL module.
This commit is contained in:
Camilla Berglund
parent
6c37c84d91
commit
fc74a5533e
@ -31,6 +31,588 @@
|
||||
#include "internal.h"
|
||||
|
||||
|
||||
//========================================================================
|
||||
// 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;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//========================================================================
|
||||
// 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;
|
||||
}
|
||||
|
||||
|
||||
//========================================================================
|
||||
// Read back framebuffer parameters from the context
|
||||
//========================================================================
|
||||
|
||||
static void refreshContextParams(_GLFWwindow* window, int pixelFormat)
|
||||
{
|
||||
PIXELFORMATDESCRIPTOR pfd;
|
||||
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//========================================================================
|
||||
// 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;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
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 //////
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
|
||||
@ -232,6 +232,12 @@ char* _glfwCreateUTF8FromWideString(const WCHAR* source);
|
||||
// Time
|
||||
void _glfwInitTimer(void);
|
||||
|
||||
// OpenGL support
|
||||
int _glfwCreateContext(_GLFWwindow* window,
|
||||
const _GLFWwndconfig* wndconfig,
|
||||
const _GLFWfbconfig* fbconfig);
|
||||
void _glfwDestroyContext(_GLFWwindow* window);
|
||||
|
||||
// Fullscreen support
|
||||
void _glfwSetVideoMode(int* width, int* height,
|
||||
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
|
||||
//========================================================================
|
||||
@ -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
|
||||
//========================================================================
|
||||
@ -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
|
||||
//========================================================================
|
||||
@ -1273,7 +830,7 @@ static int createWindow(_GLFWwindow* window,
|
||||
const _GLFWfbconfig* fbconfig)
|
||||
{
|
||||
DWORD dwStyle, dwExStyle;
|
||||
int pixelFormat, fullWidth, fullHeight;
|
||||
int fullWidth, fullHeight;
|
||||
RECT wa;
|
||||
POINT pos;
|
||||
WCHAR* wideTitle;
|
||||
@ -1353,31 +910,15 @@ static int createWindow(_GLFWwindow* window,
|
||||
|
||||
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
|
||||
GetCursorPos(&pos);
|
||||
ScreenToClient(window->Win32.handle, &pos);
|
||||
window->Win32.oldCursorX = window->cursorPosX = pos.x;
|
||||
window->Win32.oldCursorY = window->cursorPosY = pos.y;
|
||||
|
||||
if (!_glfwCreateContext(window, wndconfig, fbconfig))
|
||||
return GL_FALSE;
|
||||
|
||||
return GL_TRUE;
|
||||
}
|
||||
|
||||
@ -1388,28 +929,13 @@ static int createWindow(_GLFWwindow* window,
|
||||
|
||||
static void destroyWindow(_GLFWwindow* window)
|
||||
{
|
||||
// This is duplicated from glfwCloseWindow
|
||||
// TODO: Stop duplicating code
|
||||
if (window == _glfwLibrary.currentWindow)
|
||||
glfwMakeContextCurrent(NULL);
|
||||
_glfwDestroyContext(window);
|
||||
|
||||
// This is duplicated from glfwCloseWindow
|
||||
// TODO: Stop duplicating code
|
||||
if (window == _glfwLibrary.activeWindow)
|
||||
_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)
|
||||
{
|
||||
DestroyWindow(window->Win32.handle);
|
||||
@ -1669,93 +1195,10 @@ void _glfwPlatformRestoreWindow(_GLFWwindow* window)
|
||||
|
||||
void _glfwPlatformRefreshWindowParams(void)
|
||||
{
|
||||
PIXELFORMATDESCRIPTOR pfd;
|
||||
DEVMODE dm;
|
||||
int pixelFormat;
|
||||
|
||||
_GLFWwindow* window = _glfwLibrary.currentWindow;
|
||||
|
||||
// Obtain a detailed description of current pixel format
|
||||
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;
|
||||
}
|
||||
|
||||
ZeroMemory(&dm, sizeof(DEVMODE));
|
||||
dm.dmSize = sizeof(DEVMODE);
|
||||
|
||||
if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm))
|
||||
|
||||
Loading…
Reference in New Issue
Block a user