680 lines
20 KiB
C
680 lines
20 KiB
C
//========================================================================
|
|
// GLFW 3.1 EGL - www.glfw.org
|
|
//------------------------------------------------------------------------
|
|
// Copyright (c) 2002-2006 Marcus Geelnard
|
|
// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.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.
|
|
//
|
|
//========================================================================
|
|
|
|
#include "internal.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
|
|
|
|
// Return a description of the specified EGL error
|
|
//
|
|
static const char* getErrorString(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return "The current surface of the calling thread is a window, pixel buffer or pixmap that is no longer valid";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";
|
|
}
|
|
|
|
return "UNKNOWN EGL ERROR";
|
|
}
|
|
|
|
// Returns the specified attribute of the specified EGLConfig
|
|
//
|
|
static int getConfigAttrib(EGLConfig config, int attrib)
|
|
{
|
|
int value;
|
|
_glfw_eglGetConfigAttrib(_glfw.egl.display, config, attrib, &value);
|
|
return value;
|
|
}
|
|
|
|
// Return a list of available and usable framebuffer configs
|
|
//
|
|
static GLboolean chooseFBConfigs(const _GLFWctxconfig* ctxconfig,
|
|
const _GLFWfbconfig* desired,
|
|
EGLConfig* result)
|
|
{
|
|
EGLConfig* nativeConfigs;
|
|
_GLFWfbconfig* usableConfigs;
|
|
const _GLFWfbconfig* closest;
|
|
int i, nativeCount, usableCount;
|
|
|
|
_glfw_eglGetConfigs(_glfw.egl.display, NULL, 0, &nativeCount);
|
|
if (!nativeCount)
|
|
{
|
|
_glfwInputError(GLFW_API_UNAVAILABLE, "EGL: No EGLConfigs returned");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
nativeConfigs = calloc(nativeCount, sizeof(EGLConfig));
|
|
_glfw_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;
|
|
|
|
#if defined(_GLFW_X11)
|
|
// Only consider EGLConfigs with associated visuals
|
|
if (!getConfigAttrib(n, EGL_NATIVE_VISUAL_ID))
|
|
continue;
|
|
#endif // _GLFW_X11
|
|
|
|
// Only consider RGB(A) EGLConfigs
|
|
if (!(getConfigAttrib(n, EGL_COLOR_BUFFER_TYPE) & EGL_RGB_BUFFER))
|
|
continue;
|
|
|
|
// Only consider window EGLConfigs
|
|
if (!(getConfigAttrib(n, EGL_SURFACE_TYPE) & EGL_WINDOW_BIT))
|
|
continue;
|
|
|
|
if (ctxconfig->api == GLFW_OPENGL_ES_API)
|
|
{
|
|
if (ctxconfig->major == 1)
|
|
{
|
|
if (!(getConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES_BIT))
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if (!(getConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_ES2_BIT))
|
|
continue;
|
|
}
|
|
}
|
|
else if (ctxconfig->api == GLFW_OPENGL_API)
|
|
{
|
|
if (!(getConfigAttrib(n, EGL_RENDERABLE_TYPE) & EGL_OPENGL_BIT))
|
|
continue;
|
|
}
|
|
|
|
u->redBits = getConfigAttrib(n, EGL_RED_SIZE);
|
|
u->greenBits = getConfigAttrib(n, EGL_GREEN_SIZE);
|
|
u->blueBits = getConfigAttrib(n, EGL_BLUE_SIZE);
|
|
|
|
u->alphaBits = getConfigAttrib(n, EGL_ALPHA_SIZE);
|
|
u->depthBits = getConfigAttrib(n, EGL_DEPTH_SIZE);
|
|
u->stencilBits = getConfigAttrib(n, EGL_STENCIL_SIZE);
|
|
|
|
u->samples = getConfigAttrib(n, EGL_SAMPLES);
|
|
u->doublebuffer = GL_TRUE;
|
|
|
|
u->egl = n;
|
|
usableCount++;
|
|
}
|
|
|
|
closest = _glfwChooseFBConfig(desired, usableConfigs, usableCount);
|
|
if (closest)
|
|
*result = closest->egl;
|
|
|
|
free(nativeConfigs);
|
|
free(usableConfigs);
|
|
|
|
return closest ? GL_TRUE : GL_FALSE;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW internal API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
// Initialize EGL
|
|
//
|
|
int _glfwInitContextAPI(void)
|
|
{
|
|
int i;
|
|
const char* sonames[] =
|
|
{
|
|
#if defined(_GLFW_WIN32)
|
|
"libEGL.dll",
|
|
"EGL.dll",
|
|
#elif defined(_GLFW_COCOA)
|
|
"libEGL.dylib",
|
|
#else
|
|
"libEGL.so.1",
|
|
#endif
|
|
NULL
|
|
};
|
|
|
|
if (!_glfwCreateContextTLS())
|
|
return GL_FALSE;
|
|
|
|
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: Failed to load EGL");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
_glfw.egl.GetConfigAttrib =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglGetConfigAttrib");
|
|
_glfw.egl.GetConfigs =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglGetConfigs");
|
|
_glfw.egl.GetDisplay =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglGetDisplay");
|
|
_glfw.egl.GetError =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglGetError");
|
|
_glfw.egl.Initialize =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglInitialize");
|
|
_glfw.egl.Terminate =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglTerminate");
|
|
_glfw.egl.BindAPI =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglBindAPI");
|
|
_glfw.egl.CreateContext =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglCreateContext");
|
|
_glfw.egl.DestroySurface =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglDestroySurface");
|
|
_glfw.egl.DestroyContext =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglDestroyContext");
|
|
_glfw.egl.CreateWindowSurface =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglCreateWindowSurface");
|
|
_glfw.egl.MakeCurrent =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglMakeCurrent");
|
|
_glfw.egl.SwapBuffers =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglSwapBuffers");
|
|
_glfw.egl.SwapInterval =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglSwapInterval");
|
|
_glfw.egl.QueryString =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglQueryString");
|
|
_glfw.egl.GetProcAddress =
|
|
_glfw_dlsym(_glfw.egl.handle, "eglGetProcAddress");
|
|
|
|
_glfw.egl.display =
|
|
_glfw_eglGetDisplay((EGLNativeDisplayType)_GLFW_EGL_NATIVE_DISPLAY);
|
|
if (_glfw.egl.display == EGL_NO_DISPLAY)
|
|
{
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"EGL: Failed to get EGL display: %s",
|
|
getErrorString(_glfw_eglGetError()));
|
|
return GL_FALSE;
|
|
}
|
|
|
|
if (!_glfw_eglInitialize(_glfw.egl.display,
|
|
&_glfw.egl.major,
|
|
&_glfw.egl.minor))
|
|
{
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"EGL: Failed to initialize EGL: %s",
|
|
getErrorString(_glfw_eglGetError()));
|
|
return GL_FALSE;
|
|
}
|
|
|
|
_glfw.egl.KHR_create_context =
|
|
_glfwPlatformExtensionSupported("EGL_KHR_create_context");
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
// Terminate EGL
|
|
//
|
|
void _glfwTerminateContextAPI(void)
|
|
{
|
|
if (_glfw_eglTerminate)
|
|
_glfw_eglTerminate(_glfw.egl.display);
|
|
|
|
if (_glfw.egl.handle)
|
|
{
|
|
_glfw_dlclose(_glfw.egl.handle);
|
|
_glfw.egl.handle = NULL;
|
|
}
|
|
|
|
_glfwDestroyContextTLS();
|
|
}
|
|
|
|
#define setEGLattrib(attribName, attribValue) \
|
|
{ \
|
|
attribs[index++] = attribName; \
|
|
attribs[index++] = attribValue; \
|
|
assert((size_t) index < sizeof(attribs) / sizeof(attribs[0])); \
|
|
}
|
|
|
|
// Create the OpenGL or OpenGL ES context
|
|
//
|
|
int _glfwCreateContext(_GLFWwindow* window,
|
|
const _GLFWctxconfig* ctxconfig,
|
|
const _GLFWfbconfig* fbconfig)
|
|
{
|
|
int attribs[40];
|
|
EGLConfig config;
|
|
EGLContext share = NULL;
|
|
|
|
if (ctxconfig->share)
|
|
share = ctxconfig->share->egl.context;
|
|
|
|
if (!chooseFBConfigs(ctxconfig, fbconfig, &config))
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"EGL: Failed to find a suitable EGLConfig");
|
|
return GL_FALSE;
|
|
}
|
|
|
|
#if defined(_GLFW_X11)
|
|
// Retrieve the visual corresponding to the chosen EGL config
|
|
{
|
|
EGLint count = 0;
|
|
int mask;
|
|
EGLint redBits, greenBits, blueBits, alphaBits, visualID = 0;
|
|
XVisualInfo info;
|
|
|
|
_glfw_eglGetConfigAttrib(_glfw.egl.display, config,
|
|
EGL_NATIVE_VISUAL_ID, &visualID);
|
|
|
|
info.screen = _glfw.x11.screen;
|
|
mask = VisualScreenMask;
|
|
|
|
if (visualID)
|
|
{
|
|
// The X window visual must match the EGL config
|
|
info.visualid = visualID;
|
|
mask |= VisualIDMask;
|
|
}
|
|
else
|
|
{
|
|
// Some EGL drivers do not implement the EGL_NATIVE_VISUAL_ID
|
|
// attribute, so attempt to find the closest match
|
|
|
|
_glfw_eglGetConfigAttrib(_glfw.egl.display, config,
|
|
EGL_RED_SIZE, &redBits);
|
|
_glfw_eglGetConfigAttrib(_glfw.egl.display, config,
|
|
EGL_GREEN_SIZE, &greenBits);
|
|
_glfw_eglGetConfigAttrib(_glfw.egl.display, config,
|
|
EGL_BLUE_SIZE, &blueBits);
|
|
_glfw_eglGetConfigAttrib(_glfw.egl.display, config,
|
|
EGL_ALPHA_SIZE, &alphaBits);
|
|
|
|
info.depth = redBits + greenBits + blueBits + alphaBits;
|
|
mask |= VisualDepthMask;
|
|
}
|
|
|
|
window->egl.visual = XGetVisualInfo(_glfw.x11.display,
|
|
mask, &info, &count);
|
|
if (!window->egl.visual)
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"EGL: Failed to retrieve visual for EGLConfig");
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
#endif // _GLFW_X11
|
|
|
|
if (ctxconfig->api == GLFW_OPENGL_ES_API)
|
|
{
|
|
if (!_glfw_eglBindAPI(EGL_OPENGL_ES_API))
|
|
{
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"EGL: Failed to bind OpenGL ES: %s",
|
|
getErrorString(_glfw_eglGetError()));
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!_glfw_eglBindAPI(EGL_OPENGL_API))
|
|
{
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"EGL: Failed to bind OpenGL: %s",
|
|
getErrorString(_glfw_eglGetError()));
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
|
|
if (_glfw.egl.KHR_create_context)
|
|
{
|
|
int index = 0, mask = 0, flags = 0;
|
|
|
|
if (ctxconfig->api == 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)
|
|
{
|
|
setEGLattrib(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR,
|
|
EGL_NO_RESET_NOTIFICATION_KHR);
|
|
}
|
|
else if (ctxconfig->robustness == GLFW_LOSE_CONTEXT_ON_RESET)
|
|
{
|
|
setEGLattrib(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR,
|
|
EGL_LOSE_CONTEXT_ON_RESET_KHR);
|
|
}
|
|
|
|
flags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR;
|
|
}
|
|
|
|
if (ctxconfig->major != 1 || ctxconfig->minor != 0)
|
|
{
|
|
setEGLattrib(EGL_CONTEXT_MAJOR_VERSION_KHR, ctxconfig->major);
|
|
setEGLattrib(EGL_CONTEXT_MINOR_VERSION_KHR, ctxconfig->minor);
|
|
}
|
|
|
|
if (mask)
|
|
setEGLattrib(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR, mask);
|
|
|
|
if (flags)
|
|
setEGLattrib(EGL_CONTEXT_FLAGS_KHR, flags);
|
|
|
|
setEGLattrib(EGL_NONE, EGL_NONE);
|
|
}
|
|
else
|
|
{
|
|
int index = 0;
|
|
|
|
if (ctxconfig->api == GLFW_OPENGL_ES_API)
|
|
setEGLattrib(EGL_CONTEXT_CLIENT_VERSION, ctxconfig->major);
|
|
|
|
setEGLattrib(EGL_NONE, EGL_NONE);
|
|
}
|
|
|
|
// Context release behaviors (GL_KHR_context_flush_control) are not yet
|
|
// supported on EGL but are not a hard constraint, so ignore and continue
|
|
|
|
window->egl.context = _glfw_eglCreateContext(_glfw.egl.display,
|
|
config, share, attribs);
|
|
|
|
if (window->egl.context == EGL_NO_CONTEXT)
|
|
{
|
|
_glfwInputError(GLFW_VERSION_UNAVAILABLE,
|
|
"EGL: Failed to create context: %s",
|
|
getErrorString(_glfw_eglGetError()));
|
|
return GL_FALSE;
|
|
}
|
|
|
|
window->egl.config = config;
|
|
|
|
// Load the appropriate client library
|
|
{
|
|
int i;
|
|
const char** sonames;
|
|
const char* es1sonames[] =
|
|
{
|
|
#if 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_WIN32)
|
|
"GLESv2.dll",
|
|
"libGLESv2.dll",
|
|
#elif defined(_GLFW_COCOA)
|
|
"libGLESv2.dylib",
|
|
#else
|
|
"libGLESv2.so.2",
|
|
#endif
|
|
NULL
|
|
};
|
|
const char* glsonames[] =
|
|
{
|
|
#if defined(_GLFW_WIN32)
|
|
#elif defined(_GLFW_COCOA)
|
|
#else
|
|
"libGL.so.1",
|
|
#endif
|
|
NULL
|
|
};
|
|
|
|
if (ctxconfig->api == GLFW_OPENGL_ES_API)
|
|
{
|
|
if (ctxconfig->major == 1)
|
|
sonames = es1sonames;
|
|
else
|
|
sonames = es2sonames;
|
|
}
|
|
else
|
|
sonames = glsonames;
|
|
|
|
for (i = 0; sonames[i]; i++)
|
|
{
|
|
window->egl.client = _glfw_dlopen(sonames[i]);
|
|
if (window->egl.client)
|
|
break;
|
|
}
|
|
|
|
if (!window->egl.client)
|
|
{
|
|
_glfwInputError(GLFW_API_UNAVAILABLE,
|
|
"EGL: Failed to load client library");
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
#undef setEGLattrib
|
|
|
|
// Destroy the OpenGL context
|
|
//
|
|
void _glfwDestroyContext(_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.api != GLFW_OPENGL_API)
|
|
#endif // _GLFW_X11
|
|
{
|
|
if (window->egl.client)
|
|
{
|
|
_glfw_dlclose(window->egl.client);
|
|
window->egl.client = NULL;
|
|
}
|
|
}
|
|
|
|
#if defined(_GLFW_X11)
|
|
if (window->egl.visual)
|
|
{
|
|
XFree(window->egl.visual);
|
|
window->egl.visual = NULL;
|
|
}
|
|
#endif // _GLFW_X11
|
|
|
|
if (window->egl.surface)
|
|
{
|
|
_glfw_eglDestroySurface(_glfw.egl.display, window->egl.surface);
|
|
window->egl.surface = EGL_NO_SURFACE;
|
|
}
|
|
|
|
if (window->egl.context)
|
|
{
|
|
_glfw_eglDestroyContext(_glfw.egl.display, window->egl.context);
|
|
window->egl.context = EGL_NO_CONTEXT;
|
|
}
|
|
}
|
|
|
|
// Analyzes the specified context for possible recreation
|
|
//
|
|
int _glfwAnalyzeContext(const _GLFWwindow* window,
|
|
const _GLFWctxconfig* ctxconfig,
|
|
const _GLFWfbconfig* fbconfig)
|
|
{
|
|
#if defined(_GLFW_WIN32)
|
|
return _GLFW_RECREATION_NOT_NEEDED;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// GLFW platform API //////
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
void _glfwPlatformMakeContextCurrent(_GLFWwindow* window)
|
|
{
|
|
if (window)
|
|
{
|
|
if (window->egl.surface == EGL_NO_SURFACE)
|
|
{
|
|
window->egl.surface =
|
|
_glfw_eglCreateWindowSurface(_glfw.egl.display,
|
|
window->egl.config,
|
|
(EGLNativeWindowType)_GLFW_EGL_NATIVE_WINDOW,
|
|
NULL);
|
|
if (window->egl.surface == EGL_NO_SURFACE)
|
|
{
|
|
_glfwInputError(GLFW_PLATFORM_ERROR,
|
|
"EGL: Failed to create window surface: %s",
|
|
getErrorString(_glfw_eglGetError()));
|
|
}
|
|
}
|
|
|
|
_glfw_eglMakeCurrent(_glfw.egl.display,
|
|
window->egl.surface,
|
|
window->egl.surface,
|
|
window->egl.context);
|
|
}
|
|
else
|
|
{
|
|
_glfw_eglMakeCurrent(_glfw.egl.display,
|
|
EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE,
|
|
EGL_NO_CONTEXT);
|
|
}
|
|
|
|
_glfwSetContextTLS(window);
|
|
}
|
|
|
|
void _glfwPlatformSwapBuffers(_GLFWwindow* window)
|
|
{
|
|
_glfw_eglSwapBuffers(_glfw.egl.display, window->egl.surface);
|
|
}
|
|
|
|
void _glfwPlatformSwapInterval(int interval)
|
|
{
|
|
_glfw_eglSwapInterval(_glfw.egl.display, interval);
|
|
}
|
|
|
|
int _glfwPlatformExtensionSupported(const char* extension)
|
|
{
|
|
const char* extensions = _glfw_eglQueryString(_glfw.egl.display,
|
|
EGL_EXTENSIONS);
|
|
if (extensions)
|
|
{
|
|
if (_glfwStringInExtensionString(extension, extensions))
|
|
return GL_TRUE;
|
|
}
|
|
|
|
return GL_FALSE;
|
|
}
|
|
|
|
GLFWglproc _glfwPlatformGetProcAddress(const char* procname)
|
|
{
|
|
_GLFWwindow* window = _glfwPlatformGetCurrentContext();
|
|
|
|
if (window->egl.client)
|
|
{
|
|
GLFWglproc proc = (GLFWglproc) _glfw_dlsym(window->egl.client, procname);
|
|
if (proc)
|
|
return proc;
|
|
}
|
|
|
|
return _glfw_eglGetProcAddress(procname);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
////// 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);
|
|
return window->egl.context;
|
|
}
|
|
|
|
GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* handle)
|
|
{
|
|
_GLFWwindow* window = (_GLFWwindow*) handle;
|
|
_GLFW_REQUIRE_INIT_OR_RETURN(EGL_NO_SURFACE);
|
|
return window->egl.surface;
|
|
}
|
|
|