mirror of
https://github.com/glfw/glfw.git
synced 2024-11-22 21:14:35 +00:00
Moved NSGL context creation to proper module.
This commit is contained in:
Camilla Berglund
parent
0a7a57b74f
commit
a8403c10d3
@ -109,5 +109,9 @@ void _glfwRestoreVideoMode(void);
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// OpenGL support
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int _glfwInitOpenGL(void);
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void _glfwTerminateOpenGL(void);
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWfbconfig* fbconfig);
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void _glfwDestroyContext(_GLFWwindow* window);
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#endif // _cocoa_platform_h_
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@ -711,166 +711,6 @@ static GLboolean createWindow(_GLFWwindow* window,
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}
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//========================================================================
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// Create the OpenGL 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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const _GLFWfbconfig* fbconfig)
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{
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unsigned int attributeCount = 0;
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// Mac OS X needs non-zero color size, so set resonable values
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int colorBits = fbconfig->redBits + fbconfig->greenBits + fbconfig->blueBits;
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if (colorBits == 0)
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colorBits = 24;
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else if (colorBits < 15)
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colorBits = 15;
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if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: This API does not support OpenGL ES");
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return GL_FALSE;
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}
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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// Fail if any OpenGL version above 2.1 other than 3.2 was requested
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if (wndconfig->glMajor > 3 ||
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(wndconfig->glMajor == 3 && wndconfig->glMinor != 2))
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X does not "
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"support any OpenGL version above 2.1 except 3.2");
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return GL_FALSE;
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}
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if (wndconfig->glMajor > 2)
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{
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if (!wndconfig->glForward)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X only "
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"supports OpenGL 3.2 contexts if they are "
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"forward-compatible");
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return GL_FALSE;
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}
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if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X only "
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"supports OpenGL 3.2 contexts if they use the "
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"core profile");
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return GL_FALSE;
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}
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}
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#else
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// Fail if OpenGL 3.0 or above was requested
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if (wndconfig->glMajor > 2)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X does not "
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"support OpenGL version 3.0 or above");
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return GL_FALSE;
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}
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#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
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// Fail if a robustness strategy was requested
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if (wndconfig->glRobustness)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: Mac OS X does not support OpenGL robustness "
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"strategies");
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return GL_FALSE;
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}
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#define ADD_ATTR(x) { attributes[attributeCount++] = x; }
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#define ADD_ATTR2(x, y) { ADD_ATTR(x); ADD_ATTR(y); }
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// Arbitrary array size here
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NSOpenGLPixelFormatAttribute attributes[40];
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ADD_ATTR(NSOpenGLPFADoubleBuffer);
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if (wndconfig->mode == GLFW_FULLSCREEN)
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{
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ADD_ATTR(NSOpenGLPFANoRecovery);
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ADD_ATTR2(NSOpenGLPFAScreenMask,
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CGDisplayIDToOpenGLDisplayMask(CGMainDisplayID()));
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}
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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if (wndconfig->glMajor > 2)
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ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
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#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
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ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
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if (fbconfig->alphaBits > 0)
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ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
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if (fbconfig->depthBits > 0)
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ADD_ATTR2(NSOpenGLPFADepthSize, fbconfig->depthBits);
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if (fbconfig->stencilBits > 0)
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ADD_ATTR2(NSOpenGLPFAStencilSize, fbconfig->stencilBits);
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int accumBits = fbconfig->accumRedBits + fbconfig->accumGreenBits +
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fbconfig->accumBlueBits + fbconfig->accumAlphaBits;
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if (accumBits > 0)
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ADD_ATTR2(NSOpenGLPFAAccumSize, accumBits);
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if (fbconfig->auxBuffers > 0)
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ADD_ATTR2(NSOpenGLPFAAuxBuffers, fbconfig->auxBuffers);
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if (fbconfig->stereo)
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ADD_ATTR(NSOpenGLPFAStereo);
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if (fbconfig->samples > 0)
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{
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ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
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ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
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}
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// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
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// frambuffer, so there's no need (and no way) to request it
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ADD_ATTR(0);
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#undef ADD_ATTR
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#undef ADD_ATTR2
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window->NSGL.pixelFormat =
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[[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
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if (window->NSGL.pixelFormat == nil)
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{
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_glfwSetError(GLFW_PLATFORM_ERROR,
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"NSOpenGL: Failed to create OpenGL pixel format");
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return GL_FALSE;
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}
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NSOpenGLContext* share = NULL;
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if (wndconfig->share)
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share = wndconfig->share->NSGL.context;
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window->NSGL.context =
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[[NSOpenGLContext alloc] initWithFormat:window->NSGL.pixelFormat
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shareContext:share];
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if (window->NSGL.context == nil)
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{
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_glfwSetError(GLFW_PLATFORM_ERROR,
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"NSOpenGL: Failed to create OpenGL context");
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return GL_FALSE;
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}
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return GL_TRUE;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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@ -923,7 +763,7 @@ int _glfwPlatformCreateWindow(_GLFWwindow* window,
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if (!createWindow(window, wndconfig))
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return GL_FALSE;
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if (!createContext(window, wndconfig, fbconfig))
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if (!_glfwCreateContext(window, wndconfig, fbconfig))
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return GL_FALSE;
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[window->NSGL.context setView:[window->NS.object contentView]];
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@ -968,11 +808,7 @@ void _glfwPlatformDestroyWindow(_GLFWwindow* window)
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_glfwRestoreVideoMode();
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}
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[window->NSGL.pixelFormat release];
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window->NSGL.pixelFormat = nil;
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[window->NSGL.context release];
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window->NSGL.context = nil;
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_glfwDestroyContext(window);
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[window->NS.object setDelegate:nil];
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[window->NS.delegate release];
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@ -69,6 +69,180 @@ void _glfwTerminateOpenGL(void)
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}
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//========================================================================
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// Create the OpenGL context
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//========================================================================
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int _glfwCreateContext(_GLFWwindow* window,
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const _GLFWwndconfig* wndconfig,
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const _GLFWfbconfig* fbconfig)
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{
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unsigned int attributeCount = 0;
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// Mac OS X needs non-zero color size, so set resonable values
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int colorBits = fbconfig->redBits + fbconfig->greenBits + fbconfig->blueBits;
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if (colorBits == 0)
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colorBits = 24;
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else if (colorBits < 15)
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colorBits = 15;
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if (wndconfig->clientAPI == GLFW_OPENGL_ES_API)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: This API does not support OpenGL ES");
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return GL_FALSE;
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}
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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// Fail if any OpenGL version above 2.1 other than 3.2 was requested
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if (wndconfig->glMajor > 3 ||
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(wndconfig->glMajor == 3 && wndconfig->glMinor != 2))
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X does not "
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"support any OpenGL version above 2.1 except 3.2");
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return GL_FALSE;
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}
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if (wndconfig->glMajor > 2)
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{
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if (!wndconfig->glForward)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X only "
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"supports OpenGL 3.2 contexts if they are "
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"forward-compatible");
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return GL_FALSE;
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}
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if (wndconfig->glProfile != GLFW_OPENGL_CORE_PROFILE)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X only "
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"supports OpenGL 3.2 contexts if they use the "
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"core profile");
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return GL_FALSE;
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}
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}
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#else
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// Fail if OpenGL 3.0 or above was requested
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if (wndconfig->glMajor > 2)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: The targeted version of Mac OS X does not "
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"support OpenGL version 3.0 or above");
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return GL_FALSE;
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}
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#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
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// Fail if a robustness strategy was requested
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if (wndconfig->glRobustness)
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{
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_glfwSetError(GLFW_VERSION_UNAVAILABLE,
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"NSOpenGL: Mac OS X does not support OpenGL robustness "
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"strategies");
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return GL_FALSE;
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}
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#define ADD_ATTR(x) { attributes[attributeCount++] = x; }
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#define ADD_ATTR2(x, y) { ADD_ATTR(x); ADD_ATTR(y); }
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// Arbitrary array size here
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NSOpenGLPixelFormatAttribute attributes[40];
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ADD_ATTR(NSOpenGLPFADoubleBuffer);
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if (wndconfig->mode == GLFW_FULLSCREEN)
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{
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ADD_ATTR(NSOpenGLPFANoRecovery);
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ADD_ATTR2(NSOpenGLPFAScreenMask,
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CGDisplayIDToOpenGLDisplayMask(CGMainDisplayID()));
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}
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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if (wndconfig->glMajor > 2)
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ADD_ATTR2(NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core);
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#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
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ADD_ATTR2(NSOpenGLPFAColorSize, colorBits);
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if (fbconfig->alphaBits > 0)
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ADD_ATTR2(NSOpenGLPFAAlphaSize, fbconfig->alphaBits);
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if (fbconfig->depthBits > 0)
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ADD_ATTR2(NSOpenGLPFADepthSize, fbconfig->depthBits);
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if (fbconfig->stencilBits > 0)
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ADD_ATTR2(NSOpenGLPFAStencilSize, fbconfig->stencilBits);
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int accumBits = fbconfig->accumRedBits + fbconfig->accumGreenBits +
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fbconfig->accumBlueBits + fbconfig->accumAlphaBits;
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if (accumBits > 0)
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ADD_ATTR2(NSOpenGLPFAAccumSize, accumBits);
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if (fbconfig->auxBuffers > 0)
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ADD_ATTR2(NSOpenGLPFAAuxBuffers, fbconfig->auxBuffers);
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if (fbconfig->stereo)
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ADD_ATTR(NSOpenGLPFAStereo);
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if (fbconfig->samples > 0)
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{
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ADD_ATTR2(NSOpenGLPFASampleBuffers, 1);
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ADD_ATTR2(NSOpenGLPFASamples, fbconfig->samples);
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}
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// NOTE: All NSOpenGLPixelFormats on the relevant cards support sRGB
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// frambuffer, so there's no need (and no way) to request it
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ADD_ATTR(0);
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#undef ADD_ATTR
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#undef ADD_ATTR2
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window->NSGL.pixelFormat =
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[[NSOpenGLPixelFormat alloc] initWithAttributes:attributes];
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if (window->NSGL.pixelFormat == nil)
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{
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_glfwSetError(GLFW_PLATFORM_ERROR,
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"NSOpenGL: Failed to create OpenGL pixel format");
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return GL_FALSE;
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}
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NSOpenGLContext* share = NULL;
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if (wndconfig->share)
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share = wndconfig->share->NSGL.context;
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window->NSGL.context =
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[[NSOpenGLContext alloc] initWithFormat:window->NSGL.pixelFormat
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shareContext:share];
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if (window->NSGL.context == nil)
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{
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_glfwSetError(GLFW_PLATFORM_ERROR,
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"NSOpenGL: Failed to create OpenGL context");
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return GL_FALSE;
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}
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return GL_TRUE;
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}
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//========================================================================
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// Destroy the OpenGL context
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//========================================================================
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void _glfwDestroyContext(_GLFWwindow* window)
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{
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[window->NSGL.pixelFormat release];
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window->NSGL.pixelFormat = nil;
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[window->NSGL.context release];
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window->NSGL.context = nil;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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