+/**************************************************************************
+ *
+ * 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
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * 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 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.
+ *
+ **************************************************************************/
+
+
/**
* EGL Configuration (pixel format) functions.
*/
#include <stdlib.h>
#include <string.h>
#include <assert.h>
+#include "c99_compat.h"
+
#include "eglconfig.h"
#include "egldisplay.h"
#include "eglcurrent.h"
*
* Note that we just save the ptr to the config (we don't copy the config).
*/
-PUBLIC EGLConfig
+EGLConfig
_eglLinkConfig(_EGLConfig *conf)
{
_EGLDisplay *dpy = conf->Display;
/* sanity check */
- assert(dpy && conf->ConfigID > 0);
+ assert(dpy);
+ assert(conf->ConfigID > 0);
if (!dpy->Configs) {
dpy->Configs = _eglCreateArray("Config", 16);
EGL_VG_ALPHA_FORMAT_PRE_BIT |
EGL_MULTISAMPLE_RESOLVE_BOX_BIT |
EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
-#ifdef EGL_MESA_screen_surface
- if (conf->Display->Extensions.MESA_screen_surface)
- mask |= EGL_SCREEN_BIT_MESA;
-#endif
break;
case EGL_RENDERABLE_TYPE:
case EGL_CONFORMANT:
mask = EGL_OPENGL_ES_BIT |
EGL_OPENVG_BIT |
EGL_OPENGL_ES2_BIT |
+ EGL_OPENGL_ES3_BIT_KHR |
EGL_OPENGL_BIT;
break;
default:
assert(0);
+ mask = 0;
break;
}
if (val & ~mask)
return matched;
}
-static INLINE EGLBoolean
+static inline EGLBoolean
_eglIsConfigAttribValid(_EGLConfig *conf, EGLint attr)
{
if (_eglOffsetOfConfig(attr) < 0)
return EGL_FALSE;
switch (attr) {
- case EGL_MATCH_NATIVE_PIXMAP:
- return EGL_FALSE;
case EGL_Y_INVERTED_NOK:
return conf->Display->Extensions.NOK_texture_from_pixmap;
default:
if (!_eglValidateConfig(conf, EGL_TRUE))
return EGL_FALSE;
- /* the spec says that EGL_LEVEL cannot be EGL_DONT_CARE */
- if (conf->Level == EGL_DONT_CARE)
+ /* EGL_LEVEL and EGL_MATCH_NATIVE_PIXMAP cannot be EGL_DONT_CARE */
+ if (conf->Level == EGL_DONT_CARE ||
+ conf->MatchNativePixmap == EGL_DONT_CARE)
return EGL_FALSE;
/* ignore other attributes when EGL_CONFIG_ID is given */
}
-static INLINE
+static inline
void _eglSwapConfigs(const _EGLConfig **conf1, const _EGLConfig **conf2)
{
const _EGLConfig *tmp = *conf1;
* qsort() in that the compare function accepts an additional
* argument.
*/
-void
+static void
_eglSortConfigs(const _EGLConfig **configs, EGLint count,
EGLint (*compare)(const _EGLConfig *, const _EGLConfig *,
void *),
}
-static int
-_eglFallbackCompare(const _EGLConfig *conf1, const _EGLConfig *conf2,
- void *priv_data)
-{
- const _EGLConfig *criteria = (const _EGLConfig *) priv_data;
- return _eglCompareConfigs(conf1, conf2, criteria, EGL_TRUE);
-}
-
-
/**
- * Typical fallback routine for eglChooseConfig
+ * A helper function for implementing eglChooseConfig. See _eglFilterArray and
+ * _eglSortConfigs for the meanings of match and compare.
*/
EGLBoolean
-_eglChooseConfig(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attrib_list,
- EGLConfig *configs, EGLint config_size, EGLint *num_configs)
+_eglFilterConfigArray(_EGLArray *array, EGLConfig *configs,
+ EGLint config_size, EGLint *num_configs,
+ EGLBoolean (*match)(const _EGLConfig *, void *),
+ EGLint (*compare)(const _EGLConfig *, const _EGLConfig *,
+ void *),
+ void *priv_data)
{
- _EGLConfig **configList, criteria;
+ _EGLConfig **configList;
EGLint i, count;
if (!num_configs)
return _eglError(EGL_BAD_PARAMETER, "eglChooseConfigs");
- if (!_eglParseConfigAttribList(&criteria, disp, attrib_list))
- return _eglError(EGL_BAD_ATTRIBUTE, "eglChooseConfig");
-
/* get the number of matched configs */
- count = _eglFilterArray(disp->Configs, NULL, 0,
- (_EGLArrayForEach) _eglMatchConfig, (void *) &criteria);
+ count = _eglFilterArray(array, NULL, 0,
+ (_EGLArrayForEach) match, priv_data);
if (!count) {
*num_configs = count;
return EGL_TRUE;
return _eglError(EGL_BAD_ALLOC, "eglChooseConfig(out of memory)");
/* get the matched configs */
- _eglFilterArray(disp->Configs, (void **) configList, count,
- (_EGLArrayForEach) _eglMatchConfig, (void *) &criteria);
+ _eglFilterArray(array, (void **) configList, count,
+ (_EGLArrayForEach) match, priv_data);
/* perform sorting of configs */
if (configs && count) {
_eglSortConfigs((const _EGLConfig **) configList, count,
- _eglFallbackCompare, (void *) &criteria);
+ compare, priv_data);
count = MIN2(count, config_size);
for (i = 0; i < count; i++)
configs[i] = _eglGetConfigHandle(configList[i]);
}
+static EGLBoolean
+_eglFallbackMatch(const _EGLConfig *conf, void *priv_data)
+{
+ return _eglMatchConfig(conf, (const _EGLConfig *) priv_data);
+}
+
+
+static EGLint
+_eglFallbackCompare(const _EGLConfig *conf1, const _EGLConfig *conf2,
+ void *priv_data)
+{
+ return _eglCompareConfigs(conf1, conf2,
+ (const _EGLConfig *) priv_data, EGL_TRUE);
+}
+
+
+/**
+ * Typical fallback routine for eglChooseConfig
+ */
+EGLBoolean
+_eglChooseConfig(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attrib_list,
+ EGLConfig *configs, EGLint config_size, EGLint *num_configs)
+{
+ _EGLConfig criteria;
+
+ if (!_eglParseConfigAttribList(&criteria, disp, attrib_list))
+ return _eglError(EGL_BAD_ATTRIBUTE, "eglChooseConfig");
+
+ return _eglFilterConfigArray(disp->Configs,
+ configs, config_size, num_configs,
+ _eglFallbackMatch, _eglFallbackCompare,
+ (void *) &criteria);
+}
+
+
/**
* Fallback for eglGetConfigAttrib.
*/
{
if (!_eglIsConfigAttribValid(conf, attribute))
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetConfigAttrib");
+
+ /* nonqueryable attributes */
+ switch (attribute) {
+ case EGL_MATCH_NATIVE_PIXMAP:
+ return _eglError(EGL_BAD_ATTRIBUTE, "eglGetConfigAttrib");
+ break;
+ default:
+ break;
+ }
+
if (!value)
return _eglError(EGL_BAD_PARAMETER, "eglGetConfigAttrib");
projects / mesa.git / blobdiff