summaryrefslogtreecommitdiffstats
path: root/src/gallium/state_trackers
diff options
context:
space:
mode:
authorBrian Paul <[email protected]>2009-11-12 17:53:54 -0700
committerBrian Paul <[email protected]>2009-11-15 16:22:52 -0700
commit4581f7057809314c78e17f846890a2d64c22d575 (patch)
tree37edf0ef46d59a190a7ad0fcdce013d1374daa44 /src/gallium/state_trackers
parentabefd7dcdf28c90454b59faaf9401fa6e6c6f526 (diff)
st/egl: add some basic comments
Diffstat (limited to 'src/gallium/state_trackers')
-rw-r--r--src/gallium/state_trackers/egl/egl_surface.c21
-rw-r--r--src/gallium/state_trackers/egl/egl_tracker.c4
2 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl/egl_surface.c b/src/gallium/state_trackers/egl/egl_surface.c
index a4493e26379..91615abebee 100644
--- a/src/gallium/state_trackers/egl/egl_surface.c
+++ b/src/gallium/state_trackers/egl/egl_surface.c
@@ -186,6 +186,9 @@ drm_takedown_shown_screen(_EGLDisplay *dpy, struct drm_screen *screen)
screen->shown = 0;
}
+/**
+ * Called by libEGL's eglCreateWindowSurface().
+ */
_EGLSurface *
drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, NativeWindowType window, const EGLint *attrib_list)
{
@@ -193,6 +196,9 @@ drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, N
}
+/**
+ * Called by libEGL's eglCreatePixmapSurface().
+ */
_EGLSurface *
drm_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, NativePixmapType pixmap, const EGLint *attrib_list)
{
@@ -200,6 +206,9 @@ drm_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, N
}
+/**
+ * Called by libEGL's eglCreatePbufferSurface().
+ */
_EGLSurface *
drm_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
const EGLint *attrib_list)
@@ -254,6 +263,9 @@ err:
return NULL;
}
+/**
+ * Called by libEGL's eglCreateScreenSurfaceMESA().
+ */
_EGLSurface *
drm_create_screen_surface_mesa(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *cfg,
const EGLint *attrib_list)
@@ -263,6 +275,9 @@ drm_create_screen_surface_mesa(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *cf
return surf;
}
+/**
+ * Called by libEGL's eglShowScreenSurfaceMESA().
+ */
EGLBoolean
drm_show_screen_surface_mesa(_EGLDriver *drv, _EGLDisplay *dpy,
_EGLScreen *screen,
@@ -359,6 +374,9 @@ err_tex:
return EGL_FALSE;
}
+/**
+ * Called by libEGL's eglDestroySurface().
+ */
EGLBoolean
drm_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface)
{
@@ -372,6 +390,9 @@ drm_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface)
return EGL_TRUE;
}
+/**
+ * Called by libEGL's eglSwapBuffers().
+ */
EGLBoolean
drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw)
{
diff --git a/src/gallium/state_trackers/egl/egl_tracker.c b/src/gallium/state_trackers/egl/egl_tracker.c
index 8d29bf490b1..5811c20f03e 100644
--- a/src/gallium/state_trackers/egl/egl_tracker.c
+++ b/src/gallium/state_trackers/egl/egl_tracker.c
@@ -22,6 +22,8 @@ void* driDriverAPI;
* Exported functions
*/
+/** Called by libEGL just prior to unloading/closing the driver.
+ */
static void
drm_unload(_EGLDriver *drv)
{
@@ -31,6 +33,8 @@ drm_unload(_EGLDriver *drv)
/**
* The bootstrap function. Return a new drm_driver object and
* plug in API functions.
+ * libEGL finds this function with dlopen()/dlsym() and calls it from
+ * "load driver" function.
*/
_EGLDriver *
_eglMain(const char *args)