/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2008 VMware, Inc.
+ * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
+ * Copyright 2010-2011 LunarG, Inc.
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
**************************************************************************/
*/
-#include <assert.h>
-#include <string.h>
#include "eglcurrent.h"
#include "eglmisc.h"
#include "egldisplay.h"
-
-/**
- * Copy the extension into the string and update the string pointer.
- */
-static EGLint
-_eglAppendExtension(char **str, const char *ext)
-{
- char *s = *str;
- size_t len = strlen(ext);
-
- if (s) {
- memcpy(s, ext, len);
- s[len++] = ' ';
- s[len] = '\0';
-
- *str += len;
- }
- else {
- len++;
- }
-
- return (EGLint) len;
-}
-
-
-/**
- * Examine the individual extension enable/disable flags and recompute
- * the driver's Extensions string.
- */
-static void
-_eglUpdateExtensionsString(_EGLDisplay *dpy)
-{
-#define _EGL_CHECK_EXTENSION(ext) \
- do { \
- if (dpy->Extensions.ext) { \
- _eglAppendExtension(&exts, "EGL_" #ext); \
- assert(exts <= dpy->Extensions.String + _EGL_MAX_EXTENSIONS_LEN); \
- } \
- } while (0)
-
- char *exts = dpy->Extensions.String;
-
- if (exts[0])
- return;
-
- _EGL_CHECK_EXTENSION(MESA_screen_surface);
- _EGL_CHECK_EXTENSION(MESA_copy_context);
- _EGL_CHECK_EXTENSION(MESA_drm_display);
-
- _EGL_CHECK_EXTENSION(KHR_image_base);
- _EGL_CHECK_EXTENSION(KHR_image_pixmap);
- if (dpy->Extensions.KHR_image_base && dpy->Extensions.KHR_image_pixmap)
- _eglAppendExtension(&exts, "EGL_KHR_image");
-
- _EGL_CHECK_EXTENSION(KHR_vg_parent_image);
- _EGL_CHECK_EXTENSION(KHR_gl_texture_2D_image);
- _EGL_CHECK_EXTENSION(KHR_gl_texture_cubemap_image);
- _EGL_CHECK_EXTENSION(KHR_gl_texture_3D_image);
- _EGL_CHECK_EXTENSION(KHR_gl_renderbuffer_image);
-
- _EGL_CHECK_EXTENSION(NOK_swap_region);
- _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap);
-#undef _EGL_CHECK_EXTENSION
-}
-
-
-static void
-_eglUpdateAPIsString(_EGLDisplay *dpy)
-{
- char *apis = dpy->ClientAPIs;
-
- if (apis[0] || !dpy->ClientAPIsMask)
- return;
-
- if (dpy->ClientAPIsMask & EGL_OPENGL_BIT)
- strcat(apis, "OpenGL ");
-
- if (dpy->ClientAPIsMask & EGL_OPENGL_ES_BIT)
- strcat(apis, "OpenGL_ES ");
-
- if (dpy->ClientAPIsMask & EGL_OPENGL_ES2_BIT)
- strcat(apis, "OpenGL_ES2 ");
-
- if (dpy->ClientAPIsMask & EGL_OPENVG_BIT)
- strcat(apis, "OpenVG ");
-
- assert(strlen(apis) < sizeof(dpy->ClientAPIs));
-}
-
-
const char *
_eglQueryString(_EGLDriver *drv, _EGLDisplay *dpy, EGLint name)
{
(void) drv;
- (void) dpy;
+
switch (name) {
case EGL_VENDOR:
return _EGL_VENDOR_STRING;
case EGL_VERSION:
- return dpy->Version;
+ return dpy->VersionString;
case EGL_EXTENSIONS:
- _eglUpdateExtensionsString(dpy);
- return dpy->Extensions.String;
-#ifdef EGL_VERSION_1_2
+ return dpy->ExtensionsString;
case EGL_CLIENT_APIS:
- _eglUpdateAPIsString(dpy);
- return dpy->ClientAPIs;
-#endif
+ return dpy->ClientAPIsString;
default:
_eglError(EGL_BAD_PARAMETER, "eglQueryString");
return NULL;
}
}
-
-
-EGLBoolean
-_eglWaitClient(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
-{
- /* just a placeholder */
- (void) drv;
- (void) dpy;
- (void) ctx;
- return EGL_TRUE;
-}
-
-
-EGLBoolean
-_eglWaitNative(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
-{
- /* just a placeholder */
- (void) drv;
- (void) dpy;
- switch (engine) {
- case EGL_CORE_NATIVE_ENGINE:
- break;
- default:
- _eglError(EGL_BAD_PARAMETER, "eglWaitNative(engine)");
- return EGL_FALSE;
- }
-
- return EGL_TRUE;
-}