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@ -32,55 +32,6 @@ |
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#include <assert.h> |
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// Initialize WGL-specific extensions
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//
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static void loadExtensions(void) |
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{ |
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// Functions for WGL_EXT_extension_string
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// NOTE: These are needed by _glfwPlatformExtensionSupported
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_glfw.wgl.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC) |
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wglGetProcAddress("wglGetExtensionsStringEXT"); |
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_glfw.wgl.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC) |
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wglGetProcAddress("wglGetExtensionsStringARB"); |
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// Functions for WGL_ARB_create_context
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_glfw.wgl.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) |
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wglGetProcAddress("wglCreateContextAttribsARB"); |
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// Functions for WGL_EXT_swap_control
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_glfw.wgl.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC) |
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wglGetProcAddress("wglSwapIntervalEXT"); |
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// Functions for WGL_ARB_pixel_format
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_glfw.wgl.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC) |
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wglGetProcAddress("wglGetPixelFormatAttribivARB"); |
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// This needs to include every extension used below except for
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// WGL_ARB_extensions_string and WGL_EXT_extensions_string
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_glfw.wgl.ARB_multisample = |
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_glfwPlatformExtensionSupported("WGL_ARB_multisample"); |
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_glfw.wgl.ARB_framebuffer_sRGB = |
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_glfwPlatformExtensionSupported("WGL_ARB_framebuffer_sRGB"); |
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_glfw.wgl.EXT_framebuffer_sRGB = |
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_glfwPlatformExtensionSupported("WGL_EXT_framebuffer_sRGB"); |
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_glfw.wgl.ARB_create_context = |
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_glfwPlatformExtensionSupported("WGL_ARB_create_context"); |
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_glfw.wgl.ARB_create_context_profile = |
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_glfwPlatformExtensionSupported("WGL_ARB_create_context_profile"); |
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_glfw.wgl.EXT_create_context_es2_profile = |
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_glfwPlatformExtensionSupported("WGL_EXT_create_context_es2_profile"); |
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_glfw.wgl.ARB_create_context_robustness = |
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_glfwPlatformExtensionSupported("WGL_ARB_create_context_robustness"); |
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_glfw.wgl.EXT_swap_control = |
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_glfwPlatformExtensionSupported("WGL_EXT_swap_control"); |
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_glfw.wgl.ARB_pixel_format = |
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_glfwPlatformExtensionSupported("WGL_ARB_pixel_format"); |
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_glfw.wgl.ARB_context_flush_control = |
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_glfwPlatformExtensionSupported("WGL_ARB_context_flush_control"); |
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_glfw.wgl.extensionsLoaded = GLFW_TRUE; |
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} |
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// Returns the specified attribute of the specified pixel format
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//
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static int getPixelFormatAttrib(_GLFWwindow* window, int pixelFormat, int attrib) |
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@ -280,6 +231,157 @@ static GLFWbool isCompositionEnabled(void) |
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return enabled; |
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} |
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static void makeContextCurrent(_GLFWwindow* window) |
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{ |
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if (window) |
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{ |
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if (wglMakeCurrent(window->context.wgl.dc, window->context.wgl.handle)) |
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_glfwPlatformSetCurrentContext(window); |
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else |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"WGL: Failed to make context current"); |
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_glfwPlatformSetCurrentContext(NULL); |
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} |
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} |
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else |
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{ |
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if (!wglMakeCurrent(NULL, NULL)) |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"WGL: Failed to clear current context"); |
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} |
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_glfwPlatformSetCurrentContext(NULL); |
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} |
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} |
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static void swapBuffers(_GLFWwindow* window) |
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{ |
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// HACK: Use DwmFlush when desktop composition is enabled
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if (isCompositionEnabled() && !window->monitor) |
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{ |
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int count = abs(window->context.wgl.interval); |
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while (count--) |
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_glfw_DwmFlush(); |
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} |
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SwapBuffers(window->context.wgl.dc); |
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} |
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static void swapInterval(int interval) |
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{ |
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_GLFWwindow* window = _glfwPlatformGetCurrentContext(); |
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window->context.wgl.interval = interval; |
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// HACK: Disable WGL swap interval when desktop composition is enabled to
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// avoid interfering with DWM vsync
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if (isCompositionEnabled() && !window->monitor) |
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interval = 0; |
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if (_glfw.wgl.EXT_swap_control) |
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_glfw.wgl.SwapIntervalEXT(interval); |
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} |
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static int extensionSupported(const char* extension) |
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{ |
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const char* extensions; |
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_GLFWwindow* window = _glfwPlatformGetCurrentContext(); |
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if (_glfw.wgl.GetExtensionsStringEXT) |
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{ |
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extensions = _glfw.wgl.GetExtensionsStringEXT(); |
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if (extensions) |
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{ |
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if (_glfwStringInExtensionString(extension, extensions)) |
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return GLFW_TRUE; |
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} |
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} |
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if (_glfw.wgl.GetExtensionsStringARB) |
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{ |
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extensions = _glfw.wgl.GetExtensionsStringARB(window->context.wgl.dc); |
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if (extensions) |
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{ |
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if (_glfwStringInExtensionString(extension, extensions)) |
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return GLFW_TRUE; |
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} |
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} |
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return GLFW_FALSE; |
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} |
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static GLFWglproc getProcAddress(const char* procname) |
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{ |
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const GLFWglproc proc = (GLFWglproc) wglGetProcAddress(procname); |
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if (proc) |
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return proc; |
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return (GLFWglproc) GetProcAddress(_glfw.wgl.instance, procname); |
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} |
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// Destroy the OpenGL context
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//
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static void destroyContext(_GLFWwindow* window) |
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{ |
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if (window->context.wgl.handle) |
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{ |
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wglDeleteContext(window->context.wgl.handle); |
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window->context.wgl.handle = NULL; |
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} |
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} |
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// Initialize WGL-specific extensions
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//
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static void loadExtensions(void) |
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{ |
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// Functions for WGL_EXT_extension_string
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// NOTE: These are needed by extensionSupported
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_glfw.wgl.GetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC) |
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wglGetProcAddress("wglGetExtensionsStringEXT"); |
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_glfw.wgl.GetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC) |
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wglGetProcAddress("wglGetExtensionsStringARB"); |
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// Functions for WGL_ARB_create_context
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_glfw.wgl.CreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) |
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wglGetProcAddress("wglCreateContextAttribsARB"); |
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// Functions for WGL_EXT_swap_control
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_glfw.wgl.SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC) |
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wglGetProcAddress("wglSwapIntervalEXT"); |
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// Functions for WGL_ARB_pixel_format
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_glfw.wgl.GetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC) |
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wglGetProcAddress("wglGetPixelFormatAttribivARB"); |
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// This needs to include every extension used below except for
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// WGL_ARB_extensions_string and WGL_EXT_extensions_string
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_glfw.wgl.ARB_multisample = |
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extensionSupported("WGL_ARB_multisample"); |
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_glfw.wgl.ARB_framebuffer_sRGB = |
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extensionSupported("WGL_ARB_framebuffer_sRGB"); |
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_glfw.wgl.EXT_framebuffer_sRGB = |
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extensionSupported("WGL_EXT_framebuffer_sRGB"); |
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_glfw.wgl.ARB_create_context = |
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extensionSupported("WGL_ARB_create_context"); |
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_glfw.wgl.ARB_create_context_profile = |
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extensionSupported("WGL_ARB_create_context_profile"); |
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_glfw.wgl.EXT_create_context_es2_profile = |
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extensionSupported("WGL_EXT_create_context_es2_profile"); |
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_glfw.wgl.ARB_create_context_robustness = |
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extensionSupported("WGL_ARB_create_context_robustness"); |
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_glfw.wgl.EXT_swap_control = |
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extensionSupported("WGL_EXT_swap_control"); |
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_glfw.wgl.ARB_pixel_format = |
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extensionSupported("WGL_ARB_pixel_format"); |
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_glfw.wgl.ARB_context_flush_control = |
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extensionSupported("WGL_ARB_context_flush_control"); |
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_glfw.wgl.extensionsLoaded = GLFW_TRUE; |
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} |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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@ -336,7 +438,7 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window, |
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PIXELFORMATDESCRIPTOR pfd; |
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HGLRC share = NULL; |
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if (ctxconfig->api == GLFW_NO_API) |
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if (ctxconfig->client == GLFW_NO_API) |
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return GLFW_TRUE; |
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if (ctxconfig->share) |
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@ -372,7 +474,7 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window, |
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{ |
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int index = 0, mask = 0, flags = 0; |
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if (ctxconfig->api == GLFW_OPENGL_API) |
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if (ctxconfig->client == GLFW_OPENGL_API) |
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{ |
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if (ctxconfig->forward) |
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flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB; |
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@ -474,22 +576,18 @@ GLFWbool _glfwCreateContextWGL(_GLFWwindow* window, |
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} |
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} |
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window->context.makeContextCurrent = makeContextCurrent; |
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window->context.swapBuffers = swapBuffers; |
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window->context.swapInterval = swapInterval; |
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window->context.extensionSupported = extensionSupported; |
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window->context.getProcAddress = getProcAddress; |
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window->context.destroyContext = destroyContext; |
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return GLFW_TRUE; |
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} |
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#undef setWGLattrib |
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// Destroy the OpenGL context
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//
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void _glfwDestroyContextWGL(_GLFWwindow* window) |
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{ |
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if (window->context.wgl.handle) |
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{ |
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wglDeleteContext(window->context.wgl.handle); |
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window->context.wgl.handle = NULL; |
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} |
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} |
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// Analyzes the specified context for possible recreation
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//
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int _glfwAnalyzeContextWGL(_GLFWwindow* window, |
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@ -501,10 +599,10 @@ int _glfwAnalyzeContextWGL(_GLFWwindow* window, |
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if (_glfw.wgl.extensionsLoaded) |
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return _GLFW_RECREATION_NOT_NEEDED; |
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_glfwPlatformMakeContextCurrent(window); |
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makeContextCurrent(window); |
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loadExtensions(); |
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if (ctxconfig->api == GLFW_OPENGL_API) |
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if (ctxconfig->client == GLFW_OPENGL_API) |
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{ |
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if (ctxconfig->forward) |
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{ |
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@ -587,102 +685,6 @@ int _glfwAnalyzeContextWGL(_GLFWwindow* window, |
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} |
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//////////////////////////////////////////////////////////////////////////
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////// GLFW platform API //////
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//////////////////////////////////////////////////////////////////////////
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void _glfwPlatformMakeContextCurrent(_GLFWwindow* window) |
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{ |
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if (window) |
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{ |
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if (wglMakeCurrent(window->context.wgl.dc, window->context.wgl.handle)) |
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_glfwPlatformSetCurrentContext(window); |
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else |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"WGL: Failed to make context current"); |
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_glfwPlatformSetCurrentContext(NULL); |
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} |
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} |
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else |
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{ |
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if (!wglMakeCurrent(NULL, NULL)) |
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{ |
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_glfwInputError(GLFW_PLATFORM_ERROR, |
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"WGL: Failed to clear current context"); |
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} |
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_glfwPlatformSetCurrentContext(NULL); |
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} |
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} |
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void _glfwPlatformSwapBuffers(_GLFWwindow* window) |
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{ |
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// HACK: Use DwmFlush when desktop composition is enabled
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if (isCompositionEnabled() && !window->monitor) |
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{ |
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int count = abs(window->context.wgl.interval); |
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while (count--) |
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_glfw_DwmFlush(); |
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} |
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SwapBuffers(window->context.wgl.dc); |
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} |
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void _glfwPlatformSwapInterval(int interval) |
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{ |
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_GLFWwindow* window = _glfwPlatformGetCurrentContext(); |
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window->context.wgl.interval = interval; |
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// HACK: Disable WGL swap interval when desktop composition is enabled to
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// avoid interfering with DWM vsync
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if (isCompositionEnabled() && !window->monitor) |
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interval = 0; |
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if (_glfw.wgl.EXT_swap_control) |
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_glfw.wgl.SwapIntervalEXT(interval); |
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} |
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int _glfwPlatformExtensionSupported(const char* extension) |
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{ |
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const char* extensions; |
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_GLFWwindow* window = _glfwPlatformGetCurrentContext(); |
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if (_glfw.wgl.GetExtensionsStringEXT) |
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{ |
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extensions = _glfw.wgl.GetExtensionsStringEXT(); |
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|
|
if (extensions) |
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{ |
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|
if (_glfwStringInExtensionString(extension, extensions)) |
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|
return GLFW_TRUE; |
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|
} |
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} |
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if (_glfw.wgl.GetExtensionsStringARB) |
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{ |
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|
extensions = _glfw.wgl.GetExtensionsStringARB(window->context.wgl.dc); |
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|
|
if (extensions) |
|
|
|
|
{ |
|
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|
|
if (_glfwStringInExtensionString(extension, extensions)) |
|
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|
|
return GLFW_TRUE; |
|
|
|
|
} |
|
|
|
|
} |
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|
return GLFW_FALSE; |
|
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|
|
} |
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|
GLFWglproc _glfwPlatformGetProcAddress(const char* procname) |
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|
|
|
{ |
|
|
|
|
const GLFWglproc proc = (GLFWglproc) wglGetProcAddress(procname); |
|
|
|
|
if (proc) |
|
|
|
|
return proc; |
|
|
|
|
|
|
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|
|
return (GLFWglproc) GetProcAddress(_glfw.wgl.instance, procname); |
|
|
|
|
} |
|
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|
|
//////////////////////////////////////////////////////////////////////////
|
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|
|
////// GLFW native API //////
|
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|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
|
@ -692,7 +694,7 @@ GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* handle) |
|
|
|
|
_GLFWwindow* window = (_GLFWwindow*) handle; |
|
|
|
|
_GLFW_REQUIRE_INIT_OR_RETURN(NULL); |
|
|
|
|
|
|
|
|
|
if (window->context.api == GLFW_NO_API) |
|
|
|
|
if (window->context.client == GLFW_NO_API) |
|
|
|
|
{ |
|
|
|
|
_glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); |
|
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|
|
return NULL; |
|
|
|
|
|
Camilla Berglund
ago%!(EXTRA string=9 years)