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authorChia-I Wu <olv@lunarg.com>2010-11-03 16:49:47 +0800
committerChia-I Wu <olv@lunarg.com>2010-11-03 17:17:29 +0800
commit04ae53ca8a844fbb2764b6ecb942b68a6db850e7 (patch)
tree406b69c31199c930b663a181b60c77fcb87f6836
parentb8cb14209a3a694eaaa6451e19d79e5b2f789a30 (diff)
st/egl: Add support for EGL_MATCH_NATIVE_PIXMAP.
Added for completeness. It makes sense to have such mechanism, but I am not aware of any user of that..
-rw-r--r--src/egl/main/eglarray.h2
-rw-r--r--src/gallium/state_trackers/egl/common/egl_g3d_api.c66
2 files changed, 67 insertions, 1 deletions
diff --git a/src/egl/main/eglarray.h b/src/egl/main/eglarray.h
index fe92efc11e..c8309fb066 100644
--- a/src/egl/main/eglarray.h
+++ b/src/egl/main/eglarray.h
@@ -37,7 +37,7 @@ void *
_eglFindArray(_EGLArray *array, void *elem);
-void **
+PUBLIC void **
_eglFilterArray(_EGLArray *array, EGLint *size,
_EGLArrayForEach filter, void *filter_data);
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
index 8fc9d1cb93..fd7dc8f814 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d_api.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d_api.c
@@ -97,6 +97,70 @@ egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx,
return stapi;
}
+static int
+egl_g3d_compare_config(const _EGLConfig *conf1, const _EGLConfig *conf2,
+ void *priv_data)
+{
+ const _EGLConfig *criteria = (const _EGLConfig *) priv_data;
+
+ /* EGL_NATIVE_VISUAL_TYPE ignored? */
+ return _eglCompareConfigs(conf1, conf2, criteria, EGL_TRUE);
+}
+
+static EGLBoolean
+egl_g3d_match_config(const _EGLConfig *conf, const _EGLConfig *criteria)
+{
+ if (!_eglMatchConfig(conf, criteria))
+ return EGL_FALSE;
+
+ if (criteria->MatchNativePixmap != EGL_NONE &&
+ criteria->MatchNativePixmap != EGL_DONT_CARE) {
+ struct egl_g3d_display *gdpy = egl_g3d_display(conf->Display);
+ struct egl_g3d_config *gconf = egl_g3d_config(conf);
+ EGLNativePixmapType pix =
+ (EGLNativePixmapType) criteria->MatchNativePixmap;
+
+ if (!gdpy->native->is_pixmap_supported(gdpy->native, pix, gconf->native))
+ return EGL_FALSE;
+ }
+
+ return EGL_TRUE;
+}
+
+static EGLBoolean
+egl_g3d_choose_config(_EGLDriver *drv, _EGLDisplay *dpy, const EGLint *attribs,
+ EGLConfig *configs, EGLint size, EGLint *num_configs)
+{
+ _EGLConfig **tmp_configs, criteria;
+ EGLint tmp_size, i;
+
+ if (!num_configs)
+ return _eglError(EGL_BAD_PARAMETER, "eglChooseConfigs");
+
+ if (!_eglParseConfigAttribList(&criteria, dpy, attribs))
+ return _eglError(EGL_BAD_ATTRIBUTE, "eglChooseConfig");
+
+ tmp_configs = (_EGLConfig **) _eglFilterArray(dpy->Configs, &tmp_size,
+ (_EGLArrayForEach) egl_g3d_match_config, (void *) &criteria);
+ if (!tmp_configs)
+ return _eglError(EGL_BAD_ALLOC, "eglChooseConfig(out of memory)");
+
+ /* perform sorting of configs */
+ if (tmp_configs && tmp_size) {
+ _eglSortConfigs((const _EGLConfig **) tmp_configs, tmp_size,
+ egl_g3d_compare_config, (void *) &criteria);
+ size = MIN2(tmp_size, size);
+ for (i = 0; i < size; i++)
+ configs[i] = _eglGetConfigHandle(tmp_configs[i]);
+ }
+
+ free(tmp_configs);
+
+ *num_configs = size;
+
+ return EGL_TRUE;
+}
+
static _EGLContext *
egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
_EGLContext *share, const EGLint *attribs)
@@ -840,6 +904,8 @@ egl_g3d_init_driver_api(_EGLDriver *drv)
{
_eglInitDriverFallbacks(drv);
+ drv->API.ChooseConfig = egl_g3d_choose_config;
+
drv->API.CreateContext = egl_g3d_create_context;
drv->API.DestroyContext = egl_g3d_destroy_context;
drv->API.CreateWindowSurface = egl_g3d_create_window_surface;