+++ /dev/null
-//========================================================================
-// 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- return "The current surface of the calling thread is a window, pixel buffer or pixmap that is no longer valid";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 = calloc(nativeCount, sizeof(EGLConfig));
- eglGetConfigs(_glfw.egl.display, nativeConfigs, nativeCount, &nativeCount);
-
- usableConfigs = 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)
- {
- 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);
-
- u->samples = getEGLConfigAttrib(n, EGL_SAMPLES);
- u->doublebuffer = GLFW_TRUE;
-
- u->handle = (uintptr_t) n;
- usableCount++;
- }
-
- closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
- if (closest)
- *result = (EGLConfig) closest->handle;
-
- free(nativeConfigs);
- 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;
- }
-
- 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) _glfw_dlsym(window->context.egl.client,
- procname);
- if (proc)
- return proc;
- }
-
- return eglGetProcAddress(procname);
-}
-
-static void destroyContextEGL(_GLFWwindow* window)
-{
-#if defined(_GLFW_X11)
- // NOTE: Do not unload libGL.so.1 while the X11 display is still open,
- // as it will make XCloseDisplay segfault
- if (window->context.client != GLFW_OPENGL_API)
-#endif // _GLFW_X11
- {
- if (window->context.egl.client)
- {
- _glfw_dlclose(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",
-#else
- "libEGL.so.1",
-#endif
- NULL
- };
-
- if (_glfw.egl.handle)
- return GLFW_TRUE;
-
- for (i = 0; sonames[i]; i++)
- {
- _glfw.egl.handle = _glfw_dlopen(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)
- _glfw_dlsym(_glfw.egl.handle, "eglGetConfigAttrib");
- _glfw.egl.GetConfigs = (PFN_eglGetConfigs)
- _glfw_dlsym(_glfw.egl.handle, "eglGetConfigs");
- _glfw.egl.GetDisplay = (PFN_eglGetDisplay)
- _glfw_dlsym(_glfw.egl.handle, "eglGetDisplay");
- _glfw.egl.GetError = (PFN_eglGetError)
- _glfw_dlsym(_glfw.egl.handle, "eglGetError");
- _glfw.egl.Initialize = (PFN_eglInitialize)
- _glfw_dlsym(_glfw.egl.handle, "eglInitialize");
- _glfw.egl.Terminate = (PFN_eglTerminate)
- _glfw_dlsym(_glfw.egl.handle, "eglTerminate");
- _glfw.egl.BindAPI = (PFN_eglBindAPI)
- _glfw_dlsym(_glfw.egl.handle, "eglBindAPI");
- _glfw.egl.CreateContext = (PFN_eglCreateContext)
- _glfw_dlsym(_glfw.egl.handle, "eglCreateContext");
- _glfw.egl.DestroySurface = (PFN_eglDestroySurface)
- _glfw_dlsym(_glfw.egl.handle, "eglDestroySurface");
- _glfw.egl.DestroyContext = (PFN_eglDestroyContext)
- _glfw_dlsym(_glfw.egl.handle, "eglDestroyContext");
- _glfw.egl.CreateWindowSurface = (PFN_eglCreateWindowSurface)
- _glfw_dlsym(_glfw.egl.handle, "eglCreateWindowSurface");
- _glfw.egl.MakeCurrent = (PFN_eglMakeCurrent)
- _glfw_dlsym(_glfw.egl.handle, "eglMakeCurrent");
- _glfw.egl.SwapBuffers = (PFN_eglSwapBuffers)
- _glfw_dlsym(_glfw.egl.handle, "eglSwapBuffers");
- _glfw.egl.SwapInterval = (PFN_eglSwapInterval)
- _glfw_dlsym(_glfw.egl.handle, "eglSwapInterval");
- _glfw.egl.QueryString = (PFN_eglQueryString)
- _glfw_dlsym(_glfw.egl.handle, "eglQueryString");
- _glfw.egl.GetProcAddress = (PFN_eglGetProcAddress)
- _glfw_dlsym(_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 = _glfwPlatformGetEGLPlatform(&attribs);
- if (_glfw.egl.platform)
- {
- _glfw.egl.display =
- eglGetPlatformDisplayEXT(_glfw.egl.platform,
- _glfwPlatformGetEGLNativeDisplay(),
- attribs);
- }
- else
- _glfw.egl.display = eglGetDisplay(_glfwPlatformGetEGLNativeDisplay());
-
- 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");
-
- 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)
- {
- _glfw_dlclose(_glfw.egl.handle);
- _glfw.egl.handle = NULL;
- }
-}
-
-#define setAttrib(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)
- {
- setAttrib(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR,
- EGL_NO_RESET_NOTIFICATION_KHR);
- }
- else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
- {
- setAttrib(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)
- setAttrib(EGL_CONTEXT_OPENGL_NO_ERROR_KHR, GLFW_TRUE);
- }
-
- if (ctxconfig->major != 1 || ctxconfig->minor != 0)
- {
- setAttrib(EGL_CONTEXT_MAJOR_VERSION_KHR, ctxconfig->major);
- setAttrib(EGL_CONTEXT_MINOR_VERSION_KHR, ctxconfig->minor);
- }
-
- if (mask)
- setAttrib(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, mask);
-
- if (flags)
- setAttrib(EGL_CONTEXT_FLAGS_KHR, flags);
- }
- else
- {
- if (ctxconfig->client == GLFW_OPENGL_ES_API)
- setAttrib(EGL_CONTEXT_CLIENT_VERSION, ctxconfig->major);
- }
-
- if (_glfw.egl.KHR_context_flush_control)
- {
- if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_NONE)
- {
- setAttrib(EGL_CONTEXT_RELEASE_BEHAVIOR_KHR,
- EGL_CONTEXT_RELEASE_BEHAVIOR_NONE_KHR);
- }
- else if (ctxconfig->release == GLFW_RELEASE_BEHAVIOR_FLUSH)
- {
- setAttrib(EGL_CONTEXT_RELEASE_BEHAVIOR_KHR,
- EGL_CONTEXT_RELEASE_BEHAVIOR_FLUSH_KHR);
- }
- }
-
- setAttrib(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)
- setAttrib(EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_SRGB_KHR);
- }
-
- setAttrib(EGL_NONE, EGL_NONE);
-
- native = _glfwPlatformGetEGLNativeWindow(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",
-#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",
-#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)
-#else
- "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 = _glfw_dlopen(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 setAttrib
-
-// 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.client == GLFW_NO_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.client == GLFW_NO_API)
- {
- _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
- return EGL_NO_SURFACE;
- }
-
- return window->context.egl.surface;
-}
-
projects / pistorm / blobdiff