EGLBoolean
_eglInitImage(_EGLImage *img, _EGLDisplay *dpy)
{
_eglInitResource(&img->Resource, sizeof(*img), dpy);
return EGL_TRUE;
}
/**
* Initialize the given _EGLContext object to defaults and/or the values
* in the attrib_list.
*/
EGLBoolean
_eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy, _EGLConfig *conf,
const EGLint *attrib_list)
{
const EGLenum api = eglQueryAPI();
EGLint err;
if (api == EGL_NONE) {
_eglError(EGL_BAD_MATCH, "eglCreateContext(no client API)");
return EGL_FALSE;
}
_eglInitResource(&ctx->Resource, sizeof(*ctx), dpy);
ctx->ClientAPI = api;
ctx->Config = conf;
ctx->WindowRenderBuffer = EGL_NONE;
ctx->ClientVersion = 1; /* the default, per EGL spec */
err = _eglParseContextAttribList(ctx, attrib_list);
if (err == EGL_SUCCESS && ctx->Config) {
EGLint api_bit;
api_bit = _eglGetContextAPIBit(ctx);
if (!(ctx->Config->RenderableType & api_bit)) {
_eglLog(_EGL_DEBUG, "context api is 0x%x while config supports 0x%x",
api_bit, ctx->Config->RenderableType);
err = EGL_BAD_CONFIG;
}
}
if (err != EGL_SUCCESS)
return _eglError(err, "eglCreateContext");
return EGL_TRUE;
}
/**
* Initialize the given _EGLContext object to defaults and/or the values
* in the attrib_list.
*/
EGLBoolean
_eglInitContext(_EGLContext *ctx, _EGLDisplay *dpy, _EGLConfig *conf,
const EGLint *attrib_list)
{
const EGLenum api = eglQueryAPI();
EGLint err;
if (api == EGL_NONE) {
_eglError(EGL_BAD_MATCH, "eglCreateContext(no client API)");
return EGL_FALSE;
}
memset(ctx, 0, sizeof(_EGLContext));
_eglInitResource(&ctx->Resource, sizeof(_EGLResource), dpy);
ctx->ClientAPI = api;
ctx->Config = conf;
ctx->WindowRenderBuffer = EGL_NONE;
ctx->Profile = EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
ctx->ClientMajorVersion = 1; /* the default, per EGL spec */
ctx->ClientMinorVersion = 0;
ctx->Flags = 0;
ctx->Profile = EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
ctx->ResetNotificationStrategy = EGL_NO_RESET_NOTIFICATION_KHR;
err = _eglParseContextAttribList(ctx, dpy, attrib_list);
if (err == EGL_SUCCESS && ctx->Config) {
EGLint api_bit;
api_bit = _eglGetContextAPIBit(ctx);
if (!(ctx->Config->RenderableType & api_bit)) {
_eglLog(_EGL_DEBUG, "context api is 0x%x while config supports 0x%x",
api_bit, ctx->Config->RenderableType);
err = EGL_BAD_CONFIG;
}
}
if (err != EGL_SUCCESS)
return _eglError(err, "eglCreateContext");
return EGL_TRUE;
}
EGLBoolean
_eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type,
const EGLint *attrib_list)
{
EGLint err;
if (!(type == EGL_SYNC_REUSABLE_KHR && dpy->Extensions.KHR_reusable_sync) &&
!(type == EGL_SYNC_FENCE_KHR && dpy->Extensions.KHR_fence_sync))
return _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
_eglInitResource(&sync->Resource, sizeof(*sync), dpy);
sync->Type = type;
sync->SyncStatus = EGL_UNSIGNALED_KHR;
sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
err = _eglParseSyncAttribList(sync, attrib_list);
if (err != EGL_SUCCESS)
return _eglError(err, "eglCreateSyncKHR");
return EGL_TRUE;
}
/**
* Do error check on parameters and initialize the given _EGLSurface object.
* \return EGL_TRUE if no errors, EGL_FALSE otherwise.
*/
EGLBoolean
_eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
_EGLConfig *conf, const EGLint *attrib_list)
{
const char *func;
EGLint renderBuffer = EGL_BACK_BUFFER;
EGLint swapBehavior = EGL_BUFFER_DESTROYED;
EGLint err;
/* Swap behavior can be preserved only if config supports this. */
if (conf->SurfaceType & EGL_SWAP_BEHAVIOR_PRESERVED_BIT)
swapBehavior = EGL_BUFFER_PRESERVED;
switch (type) {
case EGL_WINDOW_BIT:
func = "eglCreateWindowSurface";
swapBehavior = EGL_BUFFER_DESTROYED;
break;
case EGL_PIXMAP_BIT:
func = "eglCreatePixmapSurface";
renderBuffer = EGL_SINGLE_BUFFER;
break;
case EGL_PBUFFER_BIT:
func = "eglCreatePBufferSurface";
break;
default:
_eglLog(_EGL_WARNING, "Bad type in _eglInitSurface");
return EGL_FALSE;
}
if ((conf->SurfaceType & type) == 0) {
/* The config can't be used to create a surface of this type */
_eglError(EGL_BAD_MATCH, func);
return EGL_FALSE;
}
_eglInitResource(&surf->Resource, sizeof(*surf), dpy);
surf->Type = type;
surf->Config = conf;
surf->Width = 0;
surf->Height = 0;
surf->TextureFormat = EGL_NO_TEXTURE;
surf->TextureTarget = EGL_NO_TEXTURE;
surf->MipmapTexture = EGL_FALSE;
surf->LargestPbuffer = EGL_FALSE;
surf->RenderBuffer = renderBuffer;
surf->VGAlphaFormat = EGL_VG_ALPHA_FORMAT_NONPRE;
surf->VGColorspace = EGL_VG_COLORSPACE_sRGB;
surf->GLColorspace = EGL_GL_COLORSPACE_LINEAR_KHR;
surf->MipmapLevel = 0;
surf->MultisampleResolve = EGL_MULTISAMPLE_RESOLVE_DEFAULT;
surf->SwapBehavior = swapBehavior;
surf->HorizontalResolution = EGL_UNKNOWN;
surf->VerticalResolution = EGL_UNKNOWN;
surf->AspectRatio = EGL_UNKNOWN;
surf->PostSubBufferSupportedNV = EGL_FALSE;
/* the default swap interval is 1 */
_eglClampSwapInterval(surf, 1);
err = _eglParseSurfaceAttribList(surf, attrib_list);
if (err != EGL_SUCCESS)
return _eglError(err, func);
/* if EGL_LARGEST_PBUFFER in use, clamp width and height */
if (surf->LargestPbuffer) {
surf->Width = MIN2(surf->Width, _EGL_MAX_PBUFFER_WIDTH);
surf->Height = MIN2(surf->Height, _EGL_MAX_PBUFFER_HEIGHT);
}
return EGL_TRUE;
}