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implemented single GLRC for legacy WGL context.

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This commit is contained in:
Lukas Hermanns 2018-04-25 11:58:15 +02:00
parent fe890e5e26
commit d873ed69fb
1 changed files with 18 additions and 0 deletions
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18
src/wgl_context.c
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@ -697,7 +697,23 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
} }
else else
{ {
#ifdef _GLFW_OPENGL_SINGLE_GLRC
if (share)
{
// Use shared context instead of creating a new one
window->context.wgl.handle = share;
window->context.customctx = GLFW_FALSE;
}
else
{
// Create new GL render context
window->context.wgl.handle = wglCreateContext(window->context.wgl.dc);
window->context.customctx = GLFW_TRUE;
}
#else
window->context.wgl.handle = wglCreateContext(window->context.wgl.dc); window->context.wgl.handle = wglCreateContext(window->context.wgl.dc);
#endif
if (!window->context.wgl.handle) if (!window->context.wgl.handle)
{ {
_glfwInputErrorWin32(GLFW_VERSION_UNAVAILABLE, _glfwInputErrorWin32(GLFW_VERSION_UNAVAILABLE,
@ -705,6 +721,7 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
return GLFW_FALSE; return GLFW_FALSE;
} }
#ifndef _GLFW_OPENGL_SINGLE_GLRC
if (share) if (share)
{ {
if (!wglShareLists(share, window->context.wgl.handle)) if (!wglShareLists(share, window->context.wgl.handle))
@ -714,6 +731,7 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window,
return GLFW_FALSE; return GLFW_FALSE;
} }
} }
#endif
} }
window->context.makeCurrent = makeContextCurrentWGL; window->context.makeCurrent = makeContextCurrentWGL;