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@ -43,17 +43,6 @@ |
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#define Button6 6 |
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#define Button7 7 |
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//========================================================================
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// Error handler for BadMatch errors when requesting context with
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// unavailable OpenGL versions using the GLX_ARB_create_context extension
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//========================================================================
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static int errorHandler(Display *display, XErrorEvent* event) |
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{ |
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return 0; |
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} |
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//========================================================================
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// Checks whether the event is a MapNotify for the specified window
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//========================================================================
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@ -98,417 +87,6 @@ static int translateChar(XKeyEvent* event) |
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} |
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//========================================================================
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// Returns the specified attribute of the specified GLXFBConfig
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// NOTE: Do not call this unless we have found GLX 1.3+ or GLX_SGIX_fbconfig
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//========================================================================
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static int getFBConfigAttrib(_GLFWwindow* window, GLXFBConfig fbconfig, int attrib) |
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{ |
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int value; |
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if (window->GLX.SGIX_fbconfig) |
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{ |
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window->GLX.GetFBConfigAttribSGIX(_glfwLibrary.X11.display, |
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fbconfig, attrib, &value); |
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} |
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else |
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glXGetFBConfigAttrib(_glfwLibrary.X11.display, fbconfig, attrib, &value); |
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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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GLXFBConfig* fbconfigs; |
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_GLFWfbconfig* result; |
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int i, count = 0; |
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*found = 0; |
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if (_glfwLibrary.GLX.majorVersion == 1 && _glfwLibrary.GLX.minorVersion < 3) |
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{ |
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if (!window->GLX.SGIX_fbconfig) |
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{ |
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, |
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"X11/GLX: GLXFBConfig support not found"); |
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return NULL; |
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} |
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} |
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if (window->GLX.SGIX_fbconfig) |
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{ |
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fbconfigs = window->GLX.ChooseFBConfigSGIX(_glfwLibrary.X11.display, |
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_glfwLibrary.X11.screen, |
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NULL, |
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&count); |
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if (!count) |
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{ |
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, |
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"X11/GLX: No GLXFBConfigs returned"); |
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return NULL; |
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} |
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} |
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else |
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{ |
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fbconfigs = glXGetFBConfigs(_glfwLibrary.X11.display, |
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_glfwLibrary.X11.screen, |
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&count); |
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if (!count) |
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{ |
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_glfwSetError(GLFW_OPENGL_UNAVAILABLE, |
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"X11/GLX: No GLXFBConfigs returned"); |
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return NULL; |
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} |
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} |
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result = (_GLFWfbconfig*) malloc(sizeof(_GLFWfbconfig) * count); |
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if (!result) |
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{ |
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_glfwSetError(GLFW_OUT_OF_MEMORY, |
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"X11/GLX: Failed to allocate _GLFWfbconfig array"); |
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return NULL; |
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} |
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for (i = 0; i < count; i++) |
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{ |
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if (!getFBConfigAttrib(window, fbconfigs[i], GLX_DOUBLEBUFFER) || |
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!getFBConfigAttrib(window, fbconfigs[i], GLX_VISUAL_ID)) |
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{ |
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// Only consider double-buffered GLXFBConfigs with associated visuals
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continue; |
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} |
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if (!(getFBConfigAttrib(window, |
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fbconfigs[i], |
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GLX_RENDER_TYPE) & GLX_RGBA_BIT)) |
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{ |
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// Only consider RGBA GLXFBConfigs
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continue; |
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} |
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if (!(getFBConfigAttrib(window, fbconfigs[i], GLX_DRAWABLE_TYPE) & GLX_WINDOW_BIT)) |
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{ |
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// Only consider window GLXFBConfigs
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continue; |
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} |
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result[*found].redBits = getFBConfigAttrib(window, fbconfigs[i], GLX_RED_SIZE); |
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result[*found].greenBits = getFBConfigAttrib(window, fbconfigs[i], GLX_GREEN_SIZE); |
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result[*found].blueBits = getFBConfigAttrib(window, fbconfigs[i], GLX_BLUE_SIZE); |
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result[*found].alphaBits = getFBConfigAttrib(window, fbconfigs[i], GLX_ALPHA_SIZE); |
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result[*found].depthBits = getFBConfigAttrib(window, fbconfigs[i], GLX_DEPTH_SIZE); |
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result[*found].stencilBits = getFBConfigAttrib(window, fbconfigs[i], GLX_STENCIL_SIZE); |
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result[*found].accumRedBits = getFBConfigAttrib(window, fbconfigs[i], GLX_ACCUM_RED_SIZE); |
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result[*found].accumGreenBits = getFBConfigAttrib(window, fbconfigs[i], GLX_ACCUM_GREEN_SIZE); |
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result[*found].accumBlueBits = getFBConfigAttrib(window, fbconfigs[i], GLX_ACCUM_BLUE_SIZE); |
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result[*found].accumAlphaBits = getFBConfigAttrib(window, fbconfigs[i], GLX_ACCUM_ALPHA_SIZE); |
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result[*found].auxBuffers = getFBConfigAttrib(window, fbconfigs[i], GLX_AUX_BUFFERS); |
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result[*found].stereo = getFBConfigAttrib(window, fbconfigs[i], GLX_STEREO); |
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if (window->GLX.ARB_multisample) |
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result[*found].samples = getFBConfigAttrib(window, fbconfigs[i], GLX_SAMPLES); |
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else |
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result[*found].samples = 0; |
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result[*found].platformID = (GLFWintptr) getFBConfigAttrib(window, fbconfigs[i], GLX_FBCONFIG_ID); |
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(*found)++; |
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} |
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XFree(fbconfigs); |
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return result; |
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} |
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//========================================================================
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// Create the OpenGL context
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//========================================================================
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#define setGLXattrib(attribs, index, attribName, attribValue) \ |
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attribs[index++] = attribName; \
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attribs[index++] = attribValue; |
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static int createContext(_GLFWwindow* window, |
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const _GLFWwndconfig* wndconfig, |
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GLXFBConfigID fbconfigID) |
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{ |
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int attribs[40]; |
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int dummy, index; |
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GLXFBConfig* fbconfig; |
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GLXContext share = NULL; |
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if (wndconfig->share) |
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share = wndconfig->share->GLX.context; |
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// Retrieve the previously selected GLXFBConfig
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{ |
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index = 0; |
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setGLXattrib(attribs, index, GLX_FBCONFIG_ID, (int) fbconfigID); |
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setGLXattrib(attribs, index, None, None); |
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if (window->GLX.SGIX_fbconfig) |
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{ |
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fbconfig = window->GLX.ChooseFBConfigSGIX(_glfwLibrary.X11.display, |
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_glfwLibrary.X11.screen, |
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attribs, |
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&dummy); |
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} |
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else |
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{ |
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fbconfig = glXChooseFBConfig(_glfwLibrary.X11.display, |
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_glfwLibrary.X11.screen, |
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attribs, |
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&dummy); |
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} |
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if (fbconfig == NULL) |
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{ |
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/GLX: Failed to retrieve the selected GLXFBConfig"); |
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return GL_FALSE; |
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} |
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} |
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// Retrieve the corresponding visual
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if (window->GLX.SGIX_fbconfig) |
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{ |
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window->GLX.visual = window->GLX.GetVisualFromFBConfigSGIX(_glfwLibrary.X11.display, |
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*fbconfig); |
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} |
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else |
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{ |
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window->GLX.visual = glXGetVisualFromFBConfig(_glfwLibrary.X11.display, |
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*fbconfig); |
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} |
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if (window->GLX.visual == NULL) |
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{ |
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XFree(fbconfig); |
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/GLX: Failed to retrieve visual for GLXFBConfig"); |
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return GL_FALSE; |
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} |
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if (window->GLX.ARB_create_context) |
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{ |
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index = 0; |
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if (wndconfig->glMajor != 1 || wndconfig->glMinor != 0) |
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{ |
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// Request an explicitly versioned context
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setGLXattrib(attribs, index, GLX_CONTEXT_MAJOR_VERSION_ARB, wndconfig->glMajor); |
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setGLXattrib(attribs, index, GLX_CONTEXT_MINOR_VERSION_ARB, wndconfig->glMinor); |
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} |
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if (wndconfig->glForward || wndconfig->glDebug || wndconfig->glRobustness) |
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{ |
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int flags = 0; |
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if (wndconfig->glForward) |
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flags |= GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB; |
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if (wndconfig->glDebug) |
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flags |= GLX_CONTEXT_DEBUG_BIT_ARB; |
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if (wndconfig->glRobustness) |
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flags |= GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB; |
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setGLXattrib(attribs, index, GLX_CONTEXT_FLAGS_ARB, flags); |
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} |
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if (wndconfig->glProfile) |
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{ |
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int flags = 0; |
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if (!window->GLX.ARB_create_context_profile) |
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{ |
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_glfwSetError(GLFW_VERSION_UNAVAILABLE, |
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"X11/GLX: An OpenGL profile requested but " |
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"GLX_ARB_create_context_profile is unavailable"); |
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return GL_FALSE; |
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} |
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if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE && |
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!window->GLX.EXT_create_context_es2_profile) |
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{ |
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_glfwSetError(GLFW_VERSION_UNAVAILABLE, |
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"X11/GLX: OpenGL ES 2.x profile requested but " |
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"GLX_EXT_create_context_es2_profile is unavailable"); |
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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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flags = GLX_CONTEXT_CORE_PROFILE_BIT_ARB; |
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else if (wndconfig->glProfile == GLFW_OPENGL_COMPAT_PROFILE) |
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flags = GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB; |
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else if (wndconfig->glProfile == GLFW_OPENGL_ES2_PROFILE) |
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flags = GLX_CONTEXT_ES2_PROFILE_BIT_EXT; |
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setGLXattrib(attribs, index, GLX_CONTEXT_PROFILE_MASK_ARB, flags); |
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} |
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if (wndconfig->glRobustness) |
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{ |
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int strategy; |
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if (!window->GLX.ARB_create_context_robustness) |
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{ |
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_glfwSetError(GLFW_VERSION_UNAVAILABLE, |
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"X11/GLX: An OpenGL robustness strategy was " |
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"requested but GLX_ARB_create_context_robustness " |
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"is unavailable"); |
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return GL_FALSE; |
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} |
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if (wndconfig->glRobustness == GLFW_OPENGL_NO_RESET_NOTIFICATION) |
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strategy = GLX_NO_RESET_NOTIFICATION_ARB; |
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else if (wndconfig->glRobustness == GLFW_OPENGL_LOSE_CONTEXT_ON_RESET) |
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strategy = GLX_LOSE_CONTEXT_ON_RESET_ARB; |
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setGLXattrib(attribs, |
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index, |
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GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB, |
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strategy); |
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} |
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setGLXattrib(attribs, index, None, None); |
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// This is the only place we set an Xlib error handler, and we only do
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// it because glXCreateContextAttribsARB generates a BadMatch error if
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// the requested OpenGL version is unavailable (instead of a civilized
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// response like returning NULL)
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XSetErrorHandler(errorHandler); |
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window->GLX.context = |
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window->GLX.CreateContextAttribsARB(_glfwLibrary.X11.display, |
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*fbconfig, |
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share, |
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True, |
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attribs); |
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// We are done, so unset the error handler again (see above)
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XSetErrorHandler(NULL); |
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} |
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else |
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{ |
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if (window->GLX.SGIX_fbconfig) |
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{ |
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window->GLX.context = |
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window->GLX.CreateContextWithConfigSGIX(_glfwLibrary.X11.display, |
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*fbconfig, |
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GLX_RGBA_TYPE, |
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share, |
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True); |
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} |
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else |
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{ |
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window->GLX.context = glXCreateNewContext(_glfwLibrary.X11.display, |
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*fbconfig, |
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GLX_RGBA_TYPE, |
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share, |
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True); |
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} |
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} |
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XFree(fbconfig); |
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if (window->GLX.context == NULL) |
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{ |
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// TODO: Handle all the various error codes here
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_glfwSetError(GLFW_PLATFORM_ERROR, |
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"X11/GLX: Failed to create OpenGL context"); |
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return GL_FALSE; |
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} |
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window->GLX.fbconfigID = fbconfigID; |
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return GL_TRUE; |
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} |
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#undef setGLXattrib |
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//========================================================================
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// Initialize GLX-specific extensions
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//========================================================================
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static void initGLXExtensions(_GLFWwindow* window) |
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{ |
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if (_glfwPlatformExtensionSupported("GLX_EXT_swap_control")) |
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{ |
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window->GLX.SwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC) |
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_glfwPlatformGetProcAddress("glXSwapIntervalEXT"); |
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if (window->GLX.SwapIntervalEXT) |
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window->GLX.EXT_swap_control = GL_TRUE; |
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} |
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if (_glfwPlatformExtensionSupported("GLX_SGI_swap_control")) |
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{ |
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window->GLX.SwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC) |
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_glfwPlatformGetProcAddress("glXSwapIntervalSGI"); |
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if (window->GLX.SwapIntervalSGI) |
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window->GLX.SGI_swap_control = GL_TRUE; |
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} |
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if (_glfwPlatformExtensionSupported("GLX_SGIX_fbconfig")) |
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{ |
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window->GLX.GetFBConfigAttribSGIX = (PFNGLXGETFBCONFIGATTRIBSGIXPROC) |
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_glfwPlatformGetProcAddress("glXGetFBConfigAttribSGIX"); |
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window->GLX.ChooseFBConfigSGIX = (PFNGLXCHOOSEFBCONFIGSGIXPROC) |
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_glfwPlatformGetProcAddress("glXChooseFBConfigSGIX"); |
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window->GLX.CreateContextWithConfigSGIX = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) |
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_glfwPlatformGetProcAddress("glXCreateContextWithConfigSGIX"); |
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window->GLX.GetVisualFromFBConfigSGIX = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) |
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_glfwPlatformGetProcAddress("glXGetVisualFromFBConfigSGIX"); |
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if (window->GLX.GetFBConfigAttribSGIX && |
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window->GLX.ChooseFBConfigSGIX && |
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window->GLX.CreateContextWithConfigSGIX && |
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window->GLX.GetVisualFromFBConfigSGIX) |
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{ |
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window->GLX.SGIX_fbconfig = GL_TRUE; |
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} |
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} |
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if (_glfwPlatformExtensionSupported("GLX_ARB_multisample")) |
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window->GLX.ARB_multisample = GL_TRUE; |
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if (_glfwPlatformExtensionSupported("GLX_ARB_create_context")) |
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{ |
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window->GLX.CreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC) |
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_glfwPlatformGetProcAddress("glXCreateContextAttribsARB"); |
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if (window->GLX.CreateContextAttribsARB) |
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window->GLX.ARB_create_context = GL_TRUE; |
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} |
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if (_glfwPlatformExtensionSupported("GLX_ARB_create_context_robustness")) |
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window->GLX.ARB_create_context_robustness = GL_TRUE; |
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if (_glfwPlatformExtensionSupported("GLX_ARB_create_context_profile")) |
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window->GLX.ARB_create_context_profile = GL_TRUE; |
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if (_glfwPlatformExtensionSupported("GLX_EXT_create_context_es2_profile")) |
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window->GLX.EXT_create_context_es2_profile = GL_TRUE; |
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} |
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//========================================================================
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// Create the X11 window (and its colormap)
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//========================================================================
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@ -1339,42 +917,10 @@ int _glfwPlatformOpenWindow(_GLFWwindow* window, |
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const _GLFWwndconfig* wndconfig, |
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const _GLFWfbconfig* fbconfig) |
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{ |
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_GLFWfbconfig closest; |
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window->refreshRate = wndconfig->refreshRate; |
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window->resizable = wndconfig->resizable; |
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initGLXExtensions(window); |
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// Choose the best available fbconfig
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{ |
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unsigned int fbcount; |
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|
_GLFWfbconfig* fbconfigs; |
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|
const _GLFWfbconfig* result; |
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fbconfigs = getFBConfigs(window, &fbcount); |
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|
if (!fbconfigs) |
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|
{ |
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|
_glfwSetError(GLFW_PLATFORM_ERROR, |
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|
|
"X11/GLX: No usable GLXFBConfigs found"); |
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|
return GL_FALSE; |
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|
} |
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|
result = _glfwChooseFBConfig(fbconfig, fbconfigs, fbcount); |
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|
|
if (!result) |
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|
{ |
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|
_glfwSetError(GLFW_PLATFORM_ERROR, |
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|
|
"X11/GLX: No GLXFBConfig matched the criteria"); |
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|
|
free(fbconfigs); |
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|
|
return GL_FALSE; |
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|
} |
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|
|
closest = *result; |
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|
|
free(fbconfigs); |
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|
} |
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|
|
if (!createContext(window, wndconfig, (GLXFBConfigID) closest.platformID)) |
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|
|
if (!_glfwCreateContext(window, wndconfig, fbconfig)) |
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|
|
return GL_FALSE; |
|
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|
|
if (!createWindow(window, wndconfig)) |
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|
|
@ -1431,13 +977,7 @@ void _glfwPlatformCloseWindow(_GLFWwindow* window) |
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|
|
if (window->mode == GLFW_FULLSCREEN) |
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|
|
leaveFullscreenMode(window); |
|
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|
|
if (window->GLX.context) |
|
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|
|
{ |
|
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|
|
// Release and destroy the context
|
|
|
|
|
glXMakeCurrent(_glfwLibrary.X11.display, None, NULL); |
|
|
|
|
glXDestroyContext(_glfwLibrary.X11.display, window->GLX.context); |
|
|
|
|
window->GLX.context = NULL; |
|
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|
|
} |
|
|
|
|
_glfwDestroyContext(window); |
|
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|
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|
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|
|
if (window->GLX.visual) |
|
|
|
|
{ |
|
|
|
|
@ -1604,8 +1144,6 @@ void _glfwPlatformRestoreWindow(_GLFWwindow* window) |
|
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|
|
|
|
|
void _glfwPlatformRefreshWindowParams(void) |
|
|
|
|
{ |
|
|
|
|
int dummy; |
|
|
|
|
GLXFBConfig* fbconfig; |
|
|
|
|
#if defined(_GLFW_HAS_XRANDR) |
|
|
|
|
XRRScreenConfiguration* sc; |
|
|
|
|
#endif /*_GLFW_HAS_XRANDR*/ |
|
|
|
|
@ -1616,58 +1154,6 @@ void _glfwPlatformRefreshWindowParams(void) |
|
|
|
|
#endif /*_GLFW_HAS_XF86VIDMODE*/ |
|
|
|
|
_GLFWwindow* window = _glfwLibrary.currentWindow; |
|
|
|
|
|
|
|
|
|
int attribs[] = { GLX_FBCONFIG_ID, window->GLX.fbconfigID, None }; |
|
|
|
|
|
|
|
|
|
if (window->GLX.SGIX_fbconfig) |
|
|
|
|
{ |
|
|
|
|
fbconfig = window->GLX.ChooseFBConfigSGIX(_glfwLibrary.X11.display, |
|
|
|
|
_glfwLibrary.X11.screen, |
|
|
|
|
attribs, |
|
|
|
|
&dummy); |
|
|
|
|
} |
|
|
|
|
else |
|
|
|
|
{ |
|
|
|
|
fbconfig = glXChooseFBConfig(_glfwLibrary.X11.display, |
|
|
|
|
_glfwLibrary.X11.screen, |
|
|
|
|
attribs, |
|
|
|
|
&dummy); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (fbconfig == NULL) |
|
|
|
|
{ |
|
|
|
|
// This should never ever happen
|
|
|
|
|
// TODO: Flag this as an error and propagate up
|
|
|
|
|
fprintf(stderr, "Cannot find known GLXFBConfig by ID. " |
|
|
|
|
"This cannot happen. Have a nice day.\n"); |
|
|
|
|
abort(); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// There is no clear definition of an "accelerated" context on X11/GLX, and
|
|
|
|
|
// true sounds better than false, so we hardcode true here
|
|
|
|
|
window->accelerated = GL_TRUE; |
|
|
|
|
|
|
|
|
|
window->redBits = getFBConfigAttrib(window, *fbconfig, GLX_RED_SIZE); |
|
|
|
|
window->greenBits = getFBConfigAttrib(window, *fbconfig, GLX_GREEN_SIZE); |
|
|
|
|
window->blueBits = getFBConfigAttrib(window, *fbconfig, GLX_BLUE_SIZE); |
|
|
|
|
|
|
|
|
|
window->alphaBits = getFBConfigAttrib(window, *fbconfig, GLX_ALPHA_SIZE); |
|
|
|
|
window->depthBits = getFBConfigAttrib(window, *fbconfig, GLX_DEPTH_SIZE); |
|
|
|
|
window->stencilBits = getFBConfigAttrib(window, *fbconfig, GLX_STENCIL_SIZE); |
|
|
|
|
|
|
|
|
|
window->accumRedBits = getFBConfigAttrib(window, *fbconfig, GLX_ACCUM_RED_SIZE); |
|
|
|
|
window->accumGreenBits = getFBConfigAttrib(window, *fbconfig, GLX_ACCUM_GREEN_SIZE); |
|
|
|
|
window->accumBlueBits = getFBConfigAttrib(window, *fbconfig, GLX_ACCUM_BLUE_SIZE); |
|
|
|
|
window->accumAlphaBits = getFBConfigAttrib(window, *fbconfig, GLX_ACCUM_ALPHA_SIZE); |
|
|
|
|
|
|
|
|
|
window->auxBuffers = getFBConfigAttrib(window, *fbconfig, GLX_AUX_BUFFERS); |
|
|
|
|
window->stereo = getFBConfigAttrib(window, *fbconfig, GLX_STEREO) ? GL_TRUE : GL_FALSE; |
|
|
|
|
|
|
|
|
|
// Get FSAA buffer sample count
|
|
|
|
|
if (window->GLX.ARB_multisample) |
|
|
|
|
window->samples = getFBConfigAttrib(window, *fbconfig, GLX_SAMPLES); |
|
|
|
|
else |
|
|
|
|
window->samples = 0; |
|
|
|
|
|
|
|
|
|
// Retrieve refresh rate if possible
|
|
|
|
|
if (_glfwLibrary.X11.RandR.available) |
|
|
|
|
{ |
|
|
|
|
@ -1694,8 +1180,6 @@ void _glfwPlatformRefreshWindowParams(void) |
|
|
|
|
// Zero means unknown according to the GLFW spec
|
|
|
|
|
window->refreshRate = 0; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
XFree(fbconfig); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Camilla Berglund
ago%!(EXTRA string=13 years)