diff options
Diffstat (limited to 'raylib/external/glfw/src/egl_context.c')
| -rw-r--r-- | raylib/external/glfw/src/egl_context.c | 884 |
1 files changed, 0 insertions, 884 deletions
diff --git a/raylib/external/glfw/src/egl_context.c b/raylib/external/glfw/src/egl_context.c deleted file mode 100644 index bc5f3e6..0000000 --- a/raylib/external/glfw/src/egl_context.c +++ /dev/null @@ -1,884 +0,0 @@ -//======================================================================== -// GLFW 3.4 EGL - www.glfw.org -//------------------------------------------------------------------------ -// Copyright (c) 2002-2006 Marcus Geelnard -// Copyright (c) 2006-2019 Camilla Löwy <elmindreda@glfw.org> -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would -// be appreciated but is not required. -// -// 2. Altered source versions must be plainly marked as such, and must not -// be misrepresented as being the original software. -// -// 3. This notice may not be removed or altered from any source -// distribution. -// -//======================================================================== -// Please use C89 style variable declarations in this file because VS 2010 -//======================================================================== - -#include "internal.h" - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <assert.h> - - -// Return a description of the specified EGL error -// -static const char* getEGLErrorString(EGLint error) -{ - switch (error) - { - case EGL_SUCCESS: - return "Success"; - case EGL_NOT_INITIALIZED: - return "EGL is not or could not be initialized"; - case EGL_BAD_ACCESS: - return "EGL cannot access a requested resource"; - case EGL_BAD_ALLOC: - return "EGL failed to allocate resources for the requested operation"; - case EGL_BAD_ATTRIBUTE: - return "An unrecognized attribute or attribute value was passed in the attribute list"; - case EGL_BAD_CONTEXT: - return "An EGLContext argument does not name a valid EGL rendering context"; - case EGL_BAD_CONFIG: - return "An EGLConfig argument does not name a valid EGL frame buffer configuration"; - case EGL_BAD_CURRENT_SURFACE: - return "The current surface of the calling thread is a window, pixel buffer or pixmap that is no longer valid"; - case EGL_BAD_DISPLAY: - return "An EGLDisplay argument does not name a valid EGL display connection"; - case EGL_BAD_SURFACE: - return "An EGLSurface argument does not name a valid surface configured for GL rendering"; - case EGL_BAD_MATCH: - return "Arguments are inconsistent"; - case EGL_BAD_PARAMETER: - return "One or more argument values are invalid"; - case EGL_BAD_NATIVE_PIXMAP: - return "A NativePixmapType argument does not refer to a valid native pixmap"; - case EGL_BAD_NATIVE_WINDOW: - return "A NativeWindowType argument does not refer to a valid native window"; - case EGL_CONTEXT_LOST: - return "The application must destroy all contexts and reinitialise"; - default: - return "ERROR: UNKNOWN EGL ERROR"; - } -} - -// Returns the specified attribute of the specified EGLConfig -// -static int getEGLConfigAttrib(EGLConfig config, int attrib) -{ - int value; - eglGetConfigAttrib(_glfw.egl.display, config, attrib, &value); - return value; -} - -// Return the EGLConfig most closely matching the specified hints -// -static GLFWbool chooseEGLConfig(const _GLFWctxconfig* ctxconfig, - const _GLFWfbconfig* desired, - EGLConfig* result) -{ - EGLConfig* nativeConfigs; - _GLFWfbconfig* usableConfigs; - const _GLFWfbconfig* closest; - int i, nativeCount, usableCount; - - eglGetConfigs(_glfw.egl.display, NULL, 0, &nativeCount); - if (!nativeCount) - { - _glfwInputError(GLFW_API_UNAVAILABLE, "EGL: No EGLConfigs returned"); - return GLFW_FALSE; - } - - nativeConfigs = _glfw_calloc(nativeCount, sizeof(EGLConfig)); - eglGetConfigs(_glfw.egl.display, nativeConfigs, nativeCount, &nativeCount); - - usableConfigs = _glfw_calloc(nativeCount, sizeof(_GLFWfbconfig)); - usableCount = 0; - - for (i = 0; i < nativeCount; i++) - { - const EGLConfig n = nativeConfigs[i]; - _GLFWfbconfig* u = usableConfigs + usableCount; - - // Only consider RGB(A) EGLConfigs - if (getEGLConfigAttrib(n, EGL_COLOR_BUFFER_TYPE) != EGL_RGB_BUFFER) - continue; - - // Only consider window EGLConfigs - if (!(getEGLConfigAttrib(n, EGL_SURFACE_TYPE) & EGL_WINDOW_BIT)) - continue; - -#if defined(_GLFW_X11) - if (_glfw.platform.platformID == GLFW_PLATFORM_X11) - { - XVisualInfo vi = {0}; - - // Only consider EGLConfigs with associated Visuals - vi.visualid = getEGLConfigAttrib(n, EGL_NATIVE_VISUAL_ID); - if (!vi.visualid) - continue; - - if (desired->transparent) - { - int count; - XVisualInfo* vis = - XGetVisualInfo(_glfw.x11.display, VisualIDMask, &vi, &count); - if (vis) - { - u->transparent = _glfwIsVisualTransparentX11(vis[0].visual); - XFree(vis); - } - } - } -#endif // _GLFW_X11 - - if (ctxconfig->client == GLFW_OPENGL_ES_API) - { - if (ctxconfig->major == 1) - { - if (!(getEGLConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT)) - continue; - } - else - { - if (!(getEGLConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT)) - continue; - } - } - else if (ctxconfig->client == GLFW_OPENGL_API) - { - if (!(getEGLConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_BIT)) - continue; - } - - u->redBits = getEGLConfigAttrib(n, EGL_RED_SIZE); - u->greenBits = getEGLConfigAttrib(n, EGL_GREEN_SIZE); - u->blueBits = getEGLConfigAttrib(n, EGL_BLUE_SIZE); - - u->alphaBits = getEGLConfigAttrib(n, EGL_ALPHA_SIZE); - u->depthBits = getEGLConfigAttrib(n, EGL_DEPTH_SIZE); - u->stencilBits = getEGLConfigAttrib(n, EGL_STENCIL_SIZE); - -#if defined(_GLFW_WAYLAND) - if (_glfw.platform.platformID == GLFW_PLATFORM_WAYLAND) - { - // NOTE: The wl_surface opaque region is no guarantee that its buffer - // is presented as opaque, if it also has an alpha channel - // HACK: If EGL_EXT_present_opaque is unavailable, ignore any config - // with an alpha channel to ensure the buffer is opaque - if (!_glfw.egl.EXT_present_opaque) - { - if (!desired->transparent && u->alphaBits > 0) - continue; - } - } -#endif // _GLFW_WAYLAND - - u->samples = getEGLConfigAttrib(n, EGL_SAMPLES); - u->doublebuffer = desired->doublebuffer; - - u->handle = (uintptr_t) n; - usableCount++; - } - - closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount); - if (closest) - *result = (EGLConfig) closest->handle; - - _glfw_free(nativeConfigs); - _glfw_free(usableConfigs); - - return closest != NULL; -} - -static void makeContextCurrentEGL(_GLFWwindow* window) -{ - if (window) - { - if (!eglMakeCurrent(_glfw.egl.display, - window->context.egl.surface, - window->context.egl.surface, - window->context.egl.handle)) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "EGL: Failed to make context current: %s", - getEGLErrorString(eglGetError())); - return; - } - } - else - { - if (!eglMakeCurrent(_glfw.egl.display, - EGL_NO_SURFACE, - EGL_NO_SURFACE, - EGL_NO_CONTEXT)) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "EGL: Failed to clear current context: %s", - getEGLErrorString(eglGetError())); - return; - } - } - - _glfwPlatformSetTls(&_glfw.contextSlot, window); -} - -static void swapBuffersEGL(_GLFWwindow* window) -{ - if (window != _glfwPlatformGetTls(&_glfw.contextSlot)) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "EGL: The context must be current on the calling thread when swapping buffers"); - return; - } - -#if defined(_GLFW_WAYLAND) - if (_glfw.platform.platformID == GLFW_PLATFORM_WAYLAND) - { - // NOTE: Swapping buffers on a hidden window on Wayland makes it visible - if (!window->wl.visible) - return; - } -#endif - - eglSwapBuffers(_glfw.egl.display, window->context.egl.surface); -} - -static void swapIntervalEGL(int interval) -{ - eglSwapInterval(_glfw.egl.display, interval); -} - -static int extensionSupportedEGL(const char* extension) -{ - const char* extensions = eglQueryString(_glfw.egl.display, EGL_EXTENSIONS); - if (extensions) - { - if (_glfwStringInExtensionString(extension, extensions)) - return GLFW_TRUE; - } - - return GLFW_FALSE; -} - -static GLFWglproc getProcAddressEGL(const char* procname) -{ - _GLFWwindow* window = _glfwPlatformGetTls(&_glfw.contextSlot); - - if (window->context.egl.client) - { - GLFWglproc proc = (GLFWglproc) - _glfwPlatformGetModuleSymbol(window->context.egl.client, procname); - if (proc) - return proc; - } - - return eglGetProcAddress(procname); -} - -static void destroyContextEGL(_GLFWwindow* window) -{ - // NOTE: Do not unload libGL.so.1 while the X11 display is still open, - // as it will make XCloseDisplay segfault - if (_glfw.platform.platformID != GLFW_PLATFORM_X11 || - window->context.client != GLFW_OPENGL_API) - { - if (window->context.egl.client) - { - _glfwPlatformFreeModule(window->context.egl.client); - window->context.egl.client = NULL; - } - } - - if (window->context.egl.surface) - { - eglDestroySurface(_glfw.egl.display, window->context.egl.surface); - window->context.egl.surface = EGL_NO_SURFACE; - } - - if (window->context.egl.handle) - { - eglDestroyContext(_glfw.egl.display, window->context.egl.handle); - window->context.egl.handle = EGL_NO_CONTEXT; - } -} - - -////////////////////////////////////////////////////////////////////////// -////// GLFW internal API ////// -////////////////////////////////////////////////////////////////////////// - -// Initialize EGL -// -GLFWbool _glfwInitEGL(void) -{ - int i; - EGLint* attribs = NULL; - const char* extensions; - const char* sonames[] = - { -#if defined(_GLFW_EGL_LIBRARY) - _GLFW_EGL_LIBRARY, -#elif defined(_GLFW_WIN32) - "libEGL.dll", - "EGL.dll", -#elif defined(_GLFW_COCOA) - "libEGL.dylib", -#elif defined(__CYGWIN__) - "libEGL-1.so", -#elif defined(__OpenBSD__) || defined(__NetBSD__) - "libEGL.so", -#else - "libEGL.so.1", -#endif - NULL - }; - - if (_glfw.egl.handle) - return GLFW_TRUE; - - for (i = 0; sonames[i]; i++) - { - _glfw.egl.handle = _glfwPlatformLoadModule(sonames[i]); - if (_glfw.egl.handle) - break; - } - - if (!_glfw.egl.handle) - { - _glfwInputError(GLFW_API_UNAVAILABLE, "EGL: Library not found"); - return GLFW_FALSE; - } - - _glfw.egl.prefix = (strncmp(sonames[i], "lib", 3) == 0); - - _glfw.egl.GetConfigAttrib = (PFN_eglGetConfigAttrib) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglGetConfigAttrib"); - _glfw.egl.GetConfigs = (PFN_eglGetConfigs) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglGetConfigs"); - _glfw.egl.GetDisplay = (PFN_eglGetDisplay) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglGetDisplay"); - _glfw.egl.GetError = (PFN_eglGetError) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglGetError"); - _glfw.egl.Initialize = (PFN_eglInitialize) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglInitialize"); - _glfw.egl.Terminate = (PFN_eglTerminate) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglTerminate"); - _glfw.egl.BindAPI = (PFN_eglBindAPI) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglBindAPI"); - _glfw.egl.CreateContext = (PFN_eglCreateContext) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglCreateContext"); - _glfw.egl.DestroySurface = (PFN_eglDestroySurface) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglDestroySurface"); - _glfw.egl.DestroyContext = (PFN_eglDestroyContext) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglDestroyContext"); - _glfw.egl.CreateWindowSurface = (PFN_eglCreateWindowSurface) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglCreateWindowSurface"); - _glfw.egl.MakeCurrent = (PFN_eglMakeCurrent) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglMakeCurrent"); - _glfw.egl.SwapBuffers = (PFN_eglSwapBuffers) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglSwapBuffers"); - _glfw.egl.SwapInterval = (PFN_eglSwapInterval) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglSwapInterval"); - _glfw.egl.QueryString = (PFN_eglQueryString) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglQueryString"); - _glfw.egl.GetProcAddress = (PFN_eglGetProcAddress) - _glfwPlatformGetModuleSymbol(_glfw.egl.handle, "eglGetProcAddress"); - - if (!_glfw.egl.GetConfigAttrib || - !_glfw.egl.GetConfigs || - !_glfw.egl.GetDisplay || - !_glfw.egl.GetError || - !_glfw.egl.Initialize || - !_glfw.egl.Terminate || - !_glfw.egl.BindAPI || - !_glfw.egl.CreateContext || - !_glfw.egl.DestroySurface || - !_glfw.egl.DestroyContext || - !_glfw.egl.CreateWindowSurface || - !_glfw.egl.MakeCurrent || - !_glfw.egl.SwapBuffers || - !_glfw.egl.SwapInterval || - !_glfw.egl.QueryString || - !_glfw.egl.GetProcAddress) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "EGL: Failed to load required entry points"); - - _glfwTerminateEGL(); - return GLFW_FALSE; - } - - extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); - if (extensions && eglGetError() == EGL_SUCCESS) - _glfw.egl.EXT_client_extensions = GLFW_TRUE; - - if (_glfw.egl.EXT_client_extensions) - { - _glfw.egl.EXT_platform_base = - _glfwStringInExtensionString("EGL_EXT_platform_base", extensions); - _glfw.egl.EXT_platform_x11 = - _glfwStringInExtensionString("EGL_EXT_platform_x11", extensions); - _glfw.egl.EXT_platform_wayland = - _glfwStringInExtensionString("EGL_EXT_platform_wayland", extensions); - _glfw.egl.ANGLE_platform_angle = - _glfwStringInExtensionString("EGL_ANGLE_platform_angle", extensions); - _glfw.egl.ANGLE_platform_angle_opengl = - _glfwStringInExtensionString("EGL_ANGLE_platform_angle_opengl", extensions); - _glfw.egl.ANGLE_platform_angle_d3d = - _glfwStringInExtensionString("EGL_ANGLE_platform_angle_d3d", extensions); - _glfw.egl.ANGLE_platform_angle_vulkan = - _glfwStringInExtensionString("EGL_ANGLE_platform_angle_vulkan", extensions); - _glfw.egl.ANGLE_platform_angle_metal = - _glfwStringInExtensionString("EGL_ANGLE_platform_angle_metal", extensions); - } - - if (_glfw.egl.EXT_platform_base) - { - _glfw.egl.GetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC) - eglGetProcAddress("eglGetPlatformDisplayEXT"); - _glfw.egl.CreatePlatformWindowSurfaceEXT = (PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) - eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT"); - } - - _glfw.egl.platform = _glfw.platform.getEGLPlatform(&attribs); - if (_glfw.egl.platform) - { - _glfw.egl.display = - eglGetPlatformDisplayEXT(_glfw.egl.platform, - _glfw.platform.getEGLNativeDisplay(), - attribs); - } - else - _glfw.egl.display = eglGetDisplay(_glfw.platform.getEGLNativeDisplay()); - - _glfw_free(attribs); - - if (_glfw.egl.display == EGL_NO_DISPLAY) - { - _glfwInputError(GLFW_API_UNAVAILABLE, - "EGL: Failed to get EGL display: %s", - getEGLErrorString(eglGetError())); - - _glfwTerminateEGL(); - return GLFW_FALSE; - } - - if (!eglInitialize(_glfw.egl.display, &_glfw.egl.major, &_glfw.egl.minor)) - { - _glfwInputError(GLFW_API_UNAVAILABLE, - "EGL: Failed to initialize EGL: %s", - getEGLErrorString(eglGetError())); - - _glfwTerminateEGL(); - return GLFW_FALSE; - } - - _glfw.egl.KHR_create_context = - extensionSupportedEGL("EGL_KHR_create_context"); - _glfw.egl.KHR_create_context_no_error = - extensionSupportedEGL("EGL_KHR_create_context_no_error"); - _glfw.egl.KHR_gl_colorspace = - extensionSupportedEGL("EGL_KHR_gl_colorspace"); - _glfw.egl.KHR_get_all_proc_addresses = - extensionSupportedEGL("EGL_KHR_get_all_proc_addresses"); - _glfw.egl.KHR_context_flush_control = - extensionSupportedEGL("EGL_KHR_context_flush_control"); - _glfw.egl.EXT_present_opaque = - extensionSupportedEGL("EGL_EXT_present_opaque"); - - return GLFW_TRUE; -} - -// Terminate EGL -// -void _glfwTerminateEGL(void) -{ - if (_glfw.egl.display) - { - eglTerminate(_glfw.egl.display); - _glfw.egl.display = EGL_NO_DISPLAY; - } - - if (_glfw.egl.handle) - { - _glfwPlatformFreeModule(_glfw.egl.handle); - _glfw.egl.handle = NULL; - } -} - -#define SET_ATTRIB(a, v) \ -{ \ - assert(((size_t) index + 1) < sizeof(attribs) / sizeof(attribs[0])); \ - attribs[index++] = a; \ - attribs[index++] = v; \ -} - -// Create the OpenGL or OpenGL ES context -// -GLFWbool _glfwCreateContextEGL(_GLFWwindow* window, - const _GLFWctxconfig* ctxconfig, - const _GLFWfbconfig* fbconfig) -{ - EGLint attribs[40]; - EGLConfig config; - EGLContext share = NULL; - EGLNativeWindowType native; - int index = 0; - - if (!_glfw.egl.display) - { - _glfwInputError(GLFW_API_UNAVAILABLE, "EGL: API not available"); - return GLFW_FALSE; - } - - if (ctxconfig->share) - share = ctxconfig->share->context.egl.handle; - - if (!chooseEGLConfig(ctxconfig, fbconfig, &config)) - { - _glfwInputError(GLFW_FORMAT_UNAVAILABLE, - "EGL: Failed to find a suitable EGLConfig"); - return GLFW_FALSE; - } - - if (ctxconfig->client == GLFW_OPENGL_ES_API) - { - if (!eglBindAPI(EGL_OPENGL_ES_API)) - { - _glfwInputError(GLFW_API_UNAVAILABLE, - "EGL: Failed to bind OpenGL ES: %s", - getEGLErrorString(eglGetError())); - return GLFW_FALSE; - } - } - else - { - if (!eglBindAPI(EGL_OPENGL_API)) - { - _glfwInputError(GLFW_API_UNAVAILABLE, - "EGL: Failed to bind OpenGL: %s", - getEGLErrorString(eglGetError())); - return GLFW_FALSE; - } - } - - if (_glfw.egl.KHR_create_context) - { - int mask = 0, flags = 0; - - if (ctxconfig->client == GLFW_OPENGL_API) - { - if (ctxconfig->forward) - flags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR; - - if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE) - mask |= EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR; - else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE) - mask |= EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR; - } - - if (ctxconfig->debug) - flags |= EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR; - - if (ctxconfig->robustness) - { - if (ctxconfig->robustness == GLFW_NO_RESET_NOTIFICATION) - { - SET_ATTRIB(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR, - EGL_NO_RESET_NOTIFICATION_KHR); - } - else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET) - { - SET_ATTRIB(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR, - EGL_LOSE_CONTEXT_ON_RESET_KHR); - } - - flags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR; - } - - if (ctxconfig->noerror) - { - if (_glfw.egl.KHR_create_context_no_error) - SET_ATTRIB(EGL_CONTEXT_OPENGL_NO_ERROR_KHR, GLFW_TRUE); - } - - if (ctxconfig->major != 1 || ctxconfig->minor != 0) - { - SET_ATTRIB(EGL_CONTEXT_MAJOR_VERSION_KHR, ctxconfig->major); - SET_ATTRIB(EGL_CONTEXT_MINOR_VERSION_KHR, ctxconfig->minor); - } - - if (mask) - SET_ATTRIB(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, mask); - - if (flags) - SET_ATTRIB(EGL_CONTEXT_FLAGS_KHR, flags); - } - else - { - if (ctxconfig->client == GLFW_OPENGL_ES_API) - SET_ATTRIB(EGL_CONTEXT_CLIENT_VERSION, ctxconfig->major); - } - - if (_glfw.egl.KHR_context_flush_control) - { - if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE) - { - SET_ATTRIB(EGL_CONTEXT_RELEASE_BEHAVIOR_KHR, - EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR); - } - else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH) - { - SET_ATTRIB(EGL_CONTEXT_RELEASE_BEHAVIOR_KHR, - EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR); - } - } - - SET_ATTRIB(EGL_NONE, EGL_NONE); - - window->context.egl.handle = eglCreateContext(_glfw.egl.display, - config, share, attribs); - - if (window->context.egl.handle == EGL_NO_CONTEXT) - { - _glfwInputError(GLFW_VERSION_UNAVAILABLE, - "EGL: Failed to create context: %s", - getEGLErrorString(eglGetError())); - return GLFW_FALSE; - } - - // Set up attributes for surface creation - index = 0; - - if (fbconfig->sRGB) - { - if (_glfw.egl.KHR_gl_colorspace) - SET_ATTRIB(EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR); - } - - if (!fbconfig->doublebuffer) - SET_ATTRIB(EGL_RENDER_BUFFER, EGL_SINGLE_BUFFER); - - if (_glfw.egl.EXT_present_opaque) - SET_ATTRIB(EGL_PRESENT_OPAQUE_EXT, !fbconfig->transparent); - - SET_ATTRIB(EGL_NONE, EGL_NONE); - - native = _glfw.platform.getEGLNativeWindow(window); - // HACK: ANGLE does not implement eglCreatePlatformWindowSurfaceEXT - // despite reporting EGL_EXT_platform_base - if (_glfw.egl.platform && _glfw.egl.platform != EGL_PLATFORM_ANGLE_ANGLE) - { - window->context.egl.surface = - eglCreatePlatformWindowSurfaceEXT(_glfw.egl.display, config, native, attribs); - } - else - { - window->context.egl.surface = - eglCreateWindowSurface(_glfw.egl.display, config, native, attribs); - } - - if (window->context.egl.surface == EGL_NO_SURFACE) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "EGL: Failed to create window surface: %s", - getEGLErrorString(eglGetError())); - return GLFW_FALSE; - } - - window->context.egl.config = config; - - // Load the appropriate client library - if (!_glfw.egl.KHR_get_all_proc_addresses) - { - int i; - const char** sonames; - const char* es1sonames[] = - { -#if defined(_GLFW_GLESV1_LIBRARY) - _GLFW_GLESV1_LIBRARY, -#elif defined(_GLFW_WIN32) - "GLESv1_CM.dll", - "libGLES_CM.dll", -#elif defined(_GLFW_COCOA) - "libGLESv1_CM.dylib", -#elif defined(__OpenBSD__) || defined(__NetBSD__) - "libGLESv1_CM.so", -#else - "libGLESv1_CM.so.1", - "libGLES_CM.so.1", -#endif - NULL - }; - const char* es2sonames[] = - { -#if defined(_GLFW_GLESV2_LIBRARY) - _GLFW_GLESV2_LIBRARY, -#elif defined(_GLFW_WIN32) - "GLESv2.dll", - "libGLESv2.dll", -#elif defined(_GLFW_COCOA) - "libGLESv2.dylib", -#elif defined(__CYGWIN__) - "libGLESv2-2.so", -#elif defined(__OpenBSD__) || defined(__NetBSD__) - "libGLESv2.so", -#else - "libGLESv2.so.2", -#endif - NULL - }; - const char* glsonames[] = - { -#if defined(_GLFW_OPENGL_LIBRARY) - _GLFW_OPENGL_LIBRARY, -#elif defined(_GLFW_WIN32) -#elif defined(_GLFW_COCOA) -#elif defined(__OpenBSD__) || defined(__NetBSD__) - "libGL.so", -#else - "libOpenGL.so.0", - "libGL.so.1", -#endif - NULL - }; - - if (ctxconfig->client == GLFW_OPENGL_ES_API) - { - if (ctxconfig->major == 1) - sonames = es1sonames; - else - sonames = es2sonames; - } - else - sonames = glsonames; - - for (i = 0; sonames[i]; i++) - { - // HACK: Match presence of lib prefix to increase chance of finding - // a matching pair in the jungle that is Win32 EGL/GLES - if (_glfw.egl.prefix != (strncmp(sonames[i], "lib", 3) == 0)) - continue; - - window->context.egl.client = _glfwPlatformLoadModule(sonames[i]); - if (window->context.egl.client) - break; - } - - if (!window->context.egl.client) - { - _glfwInputError(GLFW_API_UNAVAILABLE, - "EGL: Failed to load client library"); - return GLFW_FALSE; - } - } - - window->context.makeCurrent = makeContextCurrentEGL; - window->context.swapBuffers = swapBuffersEGL; - window->context.swapInterval = swapIntervalEGL; - window->context.extensionSupported = extensionSupportedEGL; - window->context.getProcAddress = getProcAddressEGL; - window->context.destroy = destroyContextEGL; - - return GLFW_TRUE; -} - -#undef SET_ATTRIB - -// Returns the Visual and depth of the chosen EGLConfig -// -#if defined(_GLFW_X11) -GLFWbool _glfwChooseVisualEGL(const _GLFWwndconfig* wndconfig, - const _GLFWctxconfig* ctxconfig, - const _GLFWfbconfig* fbconfig, - Visual** visual, int* depth) -{ - XVisualInfo* result; - XVisualInfo desired; - EGLConfig native; - EGLint visualID = 0, count = 0; - const long vimask = VisualScreenMask | VisualIDMask; - - if (!chooseEGLConfig(ctxconfig, fbconfig, &native)) - { - _glfwInputError(GLFW_FORMAT_UNAVAILABLE, - "EGL: Failed to find a suitable EGLConfig"); - return GLFW_FALSE; - } - - eglGetConfigAttrib(_glfw.egl.display, native, - EGL_NATIVE_VISUAL_ID, &visualID); - - desired.screen = _glfw.x11.screen; - desired.visualid = visualID; - - result = XGetVisualInfo(_glfw.x11.display, vimask, &desired, &count); - if (!result) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "EGL: Failed to retrieve Visual for EGLConfig"); - return GLFW_FALSE; - } - - *visual = result->visual; - *depth = result->depth; - - XFree(result); - return GLFW_TRUE; -} -#endif // _GLFW_X11 - - -////////////////////////////////////////////////////////////////////////// -////// GLFW native API ////// -////////////////////////////////////////////////////////////////////////// - -GLFWAPI EGLDisplay glfwGetEGLDisplay(void) -{ - _GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_DISPLAY); - return _glfw.egl.display; -} - -GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* handle) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - _GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_CONTEXT); - - if (window->context.source != GLFW_EGL_CONTEXT_API) - { - _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); - return EGL_NO_CONTEXT; - } - - return window->context.egl.handle; -} - -GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* handle) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - _GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_SURFACE); - - if (window->context.source != GLFW_EGL_CONTEXT_API) - { - _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); - return EGL_NO_SURFACE; - } - - return window->context.egl.surface; -} - |