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//======================================================================== |
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// GLFW 3.4 - www.glfw.org |
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//------------------------------------------------------------------------ |
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// Copyright (c) 2002-2006 Marcus Geelnard |
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// Copyright (c) 2006-2018 Camilla Löwy <elmindreda@glfw.org> |
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// |
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// This software is provided 'as-is', without any express or implied |
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// warranty. In no event will the authors be held liable for any damages |
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// arising from the use of this software. |
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// |
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// Permission is granted to anyone to use this software for any purpose, |
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// including commercial applications, and to alter it and redistribute it |
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// freely, subject to the following restrictions: |
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// |
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// 1. The origin of this software must not be misrepresented; you must not |
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// claim that you wrote the original software. If you use this software |
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// in a product, an acknowledgment in the product documentation would |
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// be appreciated but is not required. |
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// |
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// 2. Altered source versions must be plainly marked as such, and must not |
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// be misrepresented as being the original software. |
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// |
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// 3. This notice may not be removed or altered from any source |
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// distribution. |
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// |
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//======================================================================== |
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// Please use C89 style variable declarations in this file because VS 2010 |
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//======================================================================== |
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#include "internal.h" |
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////////////////////////////////////////////////////////////////////////// |
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////// GLFW internal API ////// |
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////////////////////////////////////////////////////////////////////////// |
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static const struct |
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{ |
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int ID; |
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GLFWbool (*connect)(int,_GLFWplatform*); |
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} supportedPlatforms[] = |
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{ |
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#if defined(_GLFW_WIN32) |
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{ GLFW_PLATFORM_WIN32, _glfwConnectWin32 }, |
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#endif |
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#if defined(_GLFW_COCOA) |
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{ GLFW_PLATFORM_COCOA, _glfwConnectCocoa }, |
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#endif |
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#if defined(_GLFW_X11) |
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{ GLFW_PLATFORM_X11, _glfwConnectX11 }, |
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#endif |
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#if defined(_GLFW_WAYLAND) |
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{ GLFW_PLATFORM_WAYLAND, _glfwConnectWayland }, |
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#endif |
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}; |
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GLFWbool _glfwSelectPlatform(int desiredID, _GLFWplatform* platform) |
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{ |
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const size_t count = sizeof(supportedPlatforms) / sizeof(supportedPlatforms[0]); |
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size_t i; |
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if (desiredID != GLFW_ANY_PLATFORM && |
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desiredID != GLFW_PLATFORM_WIN32 && |
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desiredID != GLFW_PLATFORM_COCOA && |
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desiredID != GLFW_PLATFORM_WAYLAND && |
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desiredID != GLFW_PLATFORM_X11 && |
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desiredID != GLFW_PLATFORM_NULL) |
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{ |
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_glfwInputError(GLFW_INVALID_ENUM, "Invalid platform ID 0x%08X", desiredID); |
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return GLFW_FALSE; |
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} |
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// Only allow the Null platform if specifically requested |
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if (desiredID == GLFW_PLATFORM_NULL) |
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return GLFW_FALSE; //_glfwConnectNull(desiredID, platform); // @raysan5 |
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else if (count == 0) |
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{ |
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_glfwInputError(GLFW_PLATFORM_UNAVAILABLE, "This binary only supports the Null platform"); |
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return GLFW_FALSE; |
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} |
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if (desiredID == GLFW_ANY_PLATFORM) |
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{ |
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// If there is exactly one platform available for auto-selection, let it emit the |
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// error on failure as the platform-specific error description may be more helpful |
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if (count == 1) |
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return supportedPlatforms[0].connect(supportedPlatforms[0].ID, platform); |
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for (i = 0; i < count; i++) |
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{ |
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if (supportedPlatforms[i].connect(desiredID, platform)) |
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return GLFW_TRUE; |
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} |
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_glfwInputError(GLFW_PLATFORM_UNAVAILABLE, "Failed to detect any supported platform"); |
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} |
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else |
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{ |
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for (i = 0; i < count; i++) |
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{ |
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if (supportedPlatforms[i].ID == desiredID) |
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return supportedPlatforms[i].connect(desiredID, platform); |
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} |
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_glfwInputError(GLFW_PLATFORM_UNAVAILABLE, "The requested platform is not supported"); |
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} |
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return GLFW_FALSE; |
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} |
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////////////////////////////////////////////////////////////////////////// |
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////// GLFW public API ////// |
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////////////////////////////////////////////////////////////////////////// |
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GLFWAPI int glfwGetPlatform(void) |
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{ |
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_GLFW_REQUIRE_INIT_OR_RETURN(0); |
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return _glfw.platform.platformID; |
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} |
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GLFWAPI int glfwPlatformSupported(int platformID) |
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{ |
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const size_t count = sizeof(supportedPlatforms) / sizeof(supportedPlatforms[0]); |
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size_t i; |
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if (platformID != GLFW_PLATFORM_WIN32 && |
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platformID != GLFW_PLATFORM_COCOA && |
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platformID != GLFW_PLATFORM_WAYLAND && |
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platformID != GLFW_PLATFORM_X11 && |
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platformID != GLFW_PLATFORM_NULL) |
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{ |
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_glfwInputError(GLFW_INVALID_ENUM, "Invalid platform ID 0x%08X", platformID); |
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return GLFW_FALSE; |
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} |
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if (platformID == GLFW_PLATFORM_NULL) |
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return GLFW_TRUE; |
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for (i = 0; i < count; i++) |
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{ |
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if (platformID == supportedPlatforms[i].ID) |
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return GLFW_TRUE; |
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} |
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return GLFW_FALSE; |
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} |
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GLFWAPI const char* glfwGetVersionString(void) |
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{ |
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return _GLFW_VERSION_NUMBER |
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#if defined(_GLFW_WIN32) |
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" Win32 WGL" |
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#endif |
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#if defined(_GLFW_COCOA) |
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" Cocoa NSGL" |
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#endif |
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#if defined(_GLFW_WAYLAND) |
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" Wayland" |
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#endif |
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#if defined(_GLFW_X11) |
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" X11 GLX" |
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#endif |
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" Null" |
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" EGL" |
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" OSMesa" |
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#if defined(__MINGW64_VERSION_MAJOR) |
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" MinGW-w64" |
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#elif defined(__MINGW32__) |
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" MinGW" |
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#elif defined(_MSC_VER) |
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" VisualC" |
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#endif |
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#if defined(_GLFW_USE_HYBRID_HPG) || defined(_GLFW_USE_OPTIMUS_HPG) |
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" hybrid-GPU" |
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#endif |
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#if defined(_POSIX_MONOTONIC_CLOCK) |
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" monotonic" |
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#endif |
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#if defined(_GLFW_BUILD_DLL) |
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#if defined(_WIN32) |
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" DLL" |
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#elif defined(__APPLE__) |
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" dynamic" |
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#else |
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" shared" |
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#endif |
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#endif |
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; |
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} |
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