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Diffstat (limited to 'sys/glsink/gstglxwindow.c')
-rw-r--r--sys/glsink/gstglxwindow.c266
1 files changed, 127 insertions, 139 deletions
diff --git a/sys/glsink/gstglxwindow.c b/sys/glsink/gstglxwindow.c
index 3d173b2b..8fdacb2f 100644
--- a/sys/glsink/gstglxwindow.c
+++ b/sys/glsink/gstglxwindow.c
@@ -17,128 +17,119 @@
#include <GL/gl.h>
#include <GL/glu.h>
#include "gstglsink.h"
-#include <string.h> /* strncmp */
+#include <string.h> /* strncmp */
/* attributes for a single buffered visual in RGBA format with at least
* 4 bits per color and a 16 bit depth buffer */
-static int attrListSgl[] =
-{
- GLX_RGBA, GLX_RED_SIZE, 4,
- GLX_GREEN_SIZE, 4,
- GLX_BLUE_SIZE, 4,
+static int attrListSgl[] = {
+ GLX_RGBA, GLX_RED_SIZE, 4,
+ GLX_GREEN_SIZE, 4,
+ GLX_BLUE_SIZE, 4,
GLX_DEPTH_SIZE, 16,
None
};
/* attributes for a double buffered visual in RGBA format with at least
* 4 bits per color and a 16 bit depth buffer */
-static int attrListDbl[] =
- {
- GLX_RGBA, GLX_DOUBLEBUFFER,
- GLX_RED_SIZE, 4,
- GLX_GREEN_SIZE, 4,
- GLX_BLUE_SIZE, 4,
- GLX_DEPTH_SIZE, 16,
- None
- };
+static int attrListDbl[] = {
+ GLX_RGBA, GLX_DOUBLEBUFFER,
+ GLX_RED_SIZE, 4,
+ GLX_GREEN_SIZE, 4,
+ GLX_BLUE_SIZE, 4,
+ GLX_DEPTH_SIZE, 16,
+ None
+};
-GLfloat LightAmbient[] = { 0.1, 0.1, 0.1, 1.0 }; /* reddish ambient light */
-GLfloat LightDiffuse[] = { 0.6, 0.6, 0.6, 1.0 }; /* bluish diffuse light. */
-GLfloat LightPosition[] = { 1.5, 1.5, 1.5, 0.0 }; /* position */
+GLfloat LightAmbient[] = { 0.1, 0.1, 0.1, 1.0 }; /* reddish ambient light */
+GLfloat LightDiffuse[] = { 0.6, 0.6, 0.6, 1.0 }; /* bluish diffuse light. */
+GLfloat LightPosition[] = { 1.5, 1.5, 1.5, 0.0 }; /* position */
void
-gst_glxwindow_unhook_context(GstImageInfo *info)
+gst_glxwindow_unhook_context (GstImageInfo * info)
{
GstGLImageInfo *window = (GstGLImageInfo *) info;
- if (window->ctx)
- {
- if (!glXMakeCurrent(window->dpy, None, NULL))
- {
- printf("Could not release drawing context.\n");
- }
- else
- printf("Released drawing context.\n");
- }
+ if (window->ctx) {
+ if (!glXMakeCurrent (window->dpy, None, NULL)) {
+ printf ("Could not release drawing context.\n");
+ } else
+ printf ("Released drawing context.\n");
+ }
}
void
-gst_glxwindow_hook_context(GstImageInfo *info)
+gst_glxwindow_hook_context (GstImageInfo * info)
{
GstGLImageInfo *window = (GstGLImageInfo *) info;
- if (window->ctx && window->win && window->ctx)
- {
- if (!glXMakeCurrent(window->dpy, window->win, window->ctx))
- {
- printf("Could not acquire GLX drawing context.\n");
- }
- else
- printf("Acquired drawing context.\n");
- }
+ if (window->ctx && window->win && window->ctx) {
+ if (!glXMakeCurrent (window->dpy, window->win, window->ctx)) {
+ printf ("Could not acquire GLX drawing context.\n");
+ } else
+ printf ("Acquired drawing context.\n");
+ }
}
static void
-gst_glxwindow_free (GstImageInfo *info)
+gst_glxwindow_free (GstImageInfo * info)
{
GstGLImageInfo *window = (GstGLImageInfo *) info;
-
+
g_signal_handler_disconnect (window->sink, window->handler_id);
- if (window->ctx)
- {
- if (!glXMakeCurrent(window->dpy, None, NULL))
- {
- printf("Could not release drawing context.\n");
- }
- glXDestroyContext(window->dpy, window->ctx);
- window->ctx = NULL;
- }
-#if 0
- /* switch back to original desktop resolution if we were in fs */
- if (GLWin.fs)
- {
- XF86VidModeSwitchToMode(GLWin.dpy, GLWin.screen, &GLWin.deskMode);
- XF86VidModeSetViewPort(GLWin.dpy, GLWin.screen, 0, 0);
+ if (window->ctx) {
+ if (!glXMakeCurrent (window->dpy, None, NULL)) {
+ printf ("Could not release drawing context.\n");
}
+ glXDestroyContext (window->dpy, window->ctx);
+ window->ctx = NULL;
+ }
+#if 0
+ /* switch back to original desktop resolution if we were in fs */
+ if (GLWin.fs) {
+ XF86VidModeSwitchToMode (GLWin.dpy, GLWin.screen, &GLWin.deskMode);
+ XF86VidModeSetViewPort (GLWin.dpy, GLWin.screen, 0, 0);
+ }
#endif
XCloseDisplay (window->dpy);
g_free (window);
}
static void
-gst_glxwindow_callback(GObject *object, GParamSpec *pspec, GstGLImageInfo *data)
+gst_glxwindow_callback (GObject * object, GParamSpec * pspec,
+ GstGLImageInfo * data)
{
- XWindowAttributes attr;
- XGetWindowAttributes(data->dpy, data->win, &attr);
+ XWindowAttributes attr;
- if (strncmp (pspec->name, "width", 5) == 0 || strncmp (pspec->name, "height", 6) == 0)
- {
+ XGetWindowAttributes (data->dpy, data->win, &attr);
+
+ if (strncmp (pspec->name, "width", 5) == 0
+ || strncmp (pspec->name, "height", 6) == 0) {
gint w = 0;
gint h = 0;
+
g_object_get (object, "width", &w, NULL);
g_object_get (object, "height", &h, NULL);
- if (w != attr.width || h != attr.height)
- {
+ if (w != attr.width || h != attr.height) {
attr.width = w;
attr.height = h;
XResizeWindow (data->dpy, data->win, attr.width, attr.height);
XMapRaised (data->dpy, data->win);
// resize OpenGL
- g_warning("resizing in OpenGL");
- glViewport(0, 0, (GLint) w, (GLint) h);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
-
+ g_warning ("resizing in OpenGL");
+ glViewport (0, 0, (GLint) w, (GLint) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+
GLfloat aspect = (GLfloat) h / (GLfloat) w;
- glFrustum(-1.0, 1.0, -aspect, aspect, 5.0, 500.0);
+
+ glFrustum (-1.0, 1.0, -aspect, aspect, 5.0, 500.0);
}
}
- if (attr.width != data->width || attr.height != data->height)
- {
+ if (attr.width != data->width || attr.height != data->height) {
data->width = attr.width;
data->height = attr.height;
}
@@ -146,57 +137,54 @@ gst_glxwindow_callback(GObject *object, GParamSpec *pspec, GstGLImageInfo *data)
}
void
-gst_glxwindow_new (GstElement *sink)
+gst_glxwindow_new (GstElement * sink)
{
//XGCValues values;
GstGLImageInfo *new;
int glxMajorVersion, glxMinorVersion;
+
//XSetWindowAttributes attrib;
XVisualInfo *vi;
Atom wmDelete;
Window winDummy;
unsigned int borderDummy;
Colormap cmap;
- char* title = "GLSink (experimental)";
+ char *title = "GLSink (experimental)";
new = g_new0 (GstGLImageInfo, 1);
- if (sink == NULL)
- {
+ if (sink == NULL) {
sink = gst_element_factory_make ("glsink", "glsink");
g_assert (sink != NULL);
}
-
+
/* fill in the ImageInfo */
new->info.id = GST_MAKE_FOURCC ('X', 'l', 'i', 'b');
new->info.free_info = gst_glxwindow_free;
-
+
new->dpy = XOpenDisplay (NULL);
if (!new->dpy) {
g_warning ("open display failed!\n");
g_free (new);
return;
}
- new->screen = DefaultScreen(new->dpy);
+ new->screen = DefaultScreen (new->dpy);
/* get an appropriate visual */
- vi = glXChooseVisual(new->dpy, new->screen, attrListDbl);
- if (vi == NULL)
- {
- vi = glXChooseVisual(new->dpy, new->screen, attrListSgl);
- GST_DEBUG("Only Singlebuffered Visual!\n");
- }
- else
- {
- GST_DEBUG("Got Doublebuffered Visual!\n");
- }
- glXQueryVersion(new->dpy, &glxMajorVersion, &glxMinorVersion);
- GST_DEBUG("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
-
+ vi = glXChooseVisual (new->dpy, new->screen, attrListDbl);
+ if (vi == NULL) {
+ vi = glXChooseVisual (new->dpy, new->screen, attrListSgl);
+ GST_DEBUG ("Only Singlebuffered Visual!\n");
+ } else {
+ GST_DEBUG ("Got Doublebuffered Visual!\n");
+ }
+ glXQueryVersion (new->dpy, &glxMajorVersion, &glxMinorVersion);
+ GST_DEBUG ("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
+
/* create a GLX context */
- new->ctx = glXCreateContext(new->dpy, vi, 0, GL_TRUE);
+ new->ctx = glXCreateContext (new->dpy, vi, 0, GL_TRUE);
/* create a color map */
- cmap = XCreateColormap(new->dpy, RootWindow(new->dpy, vi->screen),
- vi->visual, AllocNone);
+ cmap = XCreateColormap (new->dpy, RootWindow (new->dpy, vi->screen),
+ vi->visual, AllocNone);
new->attr.colormap = cmap;
new->attr.border_pixel = 0;
@@ -206,72 +194,72 @@ gst_glxwindow_new (GstElement *sink)
new->width = 10;
new->height = 10;
- new->rotX = 0;
- new->rotY = 0;
+ new->rotX = 0;
+ new->rotY = 0;
new->zoom = 1;
new->zoomdir = 0.01;
{
- /* create a window in window mode*/
+ /* create a window in window mode */
new->attr.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
- StructureNotifyMask;
- new->win = XCreateWindow(new->dpy, RootWindow(new->dpy, vi->screen),
- new->x, new->y, new->width, new->height, 0, vi->depth, InputOutput, vi->visual,
- CWBorderPixel | CWColormap | CWEventMask, &new->attr);
- if (!new->win)
- {
- g_warning ("create window failed\n");
- g_free (new);
- return;
- }
+ StructureNotifyMask;
+ new->win = XCreateWindow (new->dpy, RootWindow (new->dpy, vi->screen),
+ new->x, new->y, new->width, new->height, 0, vi->depth, InputOutput,
+ vi->visual, CWBorderPixel | CWColormap | CWEventMask, &new->attr);
+ if (!new->win) {
+ g_warning ("create window failed\n");
+ g_free (new);
+ return;
+ }
/* only set window title and handle wm_delete_events if in windowed mode */
- wmDelete = XInternAtom(new->dpy, "WM_DELETE_WINDOW", True);
- XSetWMProtocols(new->dpy, new->win, &wmDelete, 1);
- XSetStandardProperties(new->dpy, new->win, title,
- title, None, NULL, 0, NULL);
- XMapRaised(new->dpy, new->win);
- }
+ wmDelete = XInternAtom (new->dpy, "WM_DELETE_WINDOW", True);
+ XSetWMProtocols (new->dpy, new->win, &wmDelete, 1);
+ XSetStandardProperties (new->dpy, new->win, title,
+ title, None, NULL, 0, NULL);
+ XMapRaised (new->dpy, new->win);
+ }
/* connect the glx-context to the window */
- glXMakeCurrent(new->dpy, new->win, new->ctx);
- XGetGeometry(new->dpy, new->win, &winDummy, &new->x, &new->y,
- &new->width, &new->height, &borderDummy, &new->depth);
- printf("Depth %d\n", new->depth);
- if (glXIsDirect(new->dpy, new->ctx))
- GST_DEBUG ("Congrats, you have Direct Rendering!\n");
+ glXMakeCurrent (new->dpy, new->win, new->ctx);
+ XGetGeometry (new->dpy, new->win, &winDummy, &new->x, &new->y,
+ &new->width, &new->height, &borderDummy, &new->depth);
+ printf ("Depth %d\n", new->depth);
+ if (glXIsDirect (new->dpy, new->ctx))
+ GST_DEBUG ("Congrats, you have Direct Rendering!\n");
else
GST_DEBUG ("Sorry, no Direct Rendering possible!\n");
- g_warning("Initializing OpenGL parameters\n");
+ g_warning ("Initializing OpenGL parameters\n");
/* initialize OpenGL drawing */
- glEnable(GL_DEPTH_TEST);
+ glEnable (GL_DEPTH_TEST);
//glShadeModel(GL_SMOOTH);
- glEnable(GL_TEXTURE_2D);
- glDisable(GL_CULL_FACE);
- glClearDepth(1.0f);
- glClearColor(0, 0, 0, 0);
+ glEnable (GL_TEXTURE_2D);
+ glDisable (GL_CULL_FACE);
+ glClearDepth (1.0f);
+ glClearColor (0, 0, 0, 0);
+
+ glLightfv (GL_LIGHT0, GL_AMBIENT, LightAmbient); /* add lighting. (ambient) */
+ glLightfv (GL_LIGHT0, GL_DIFFUSE, LightDiffuse); /* add lighting. (diffuse). */
+ glLightfv (GL_LIGHT0, GL_POSITION, LightPosition); /* set light position. */
- glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient); /* add lighting. (ambient) */
- glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse); /* add lighting. (diffuse). */
- glLightfv(GL_LIGHT0, GL_POSITION,LightPosition); /* set light position. */
-
- //glEnable(GL_LIGHT0); // Quick And Dirty Lighting (Assumes Light0 Is Set Up)
- //glEnable(GL_LIGHTING); // Enable Lighting
- glDisable(GL_COLOR_MATERIAL); // Enable Material Coloring
- glEnable(GL_AUTO_NORMAL); // let OpenGL generate the Normals
+ //glEnable(GL_LIGHT0); // Quick And Dirty Lighting (Assumes Light0 Is Set Up)
+ //glEnable(GL_LIGHTING); // Enable Lighting
+ glDisable (GL_COLOR_MATERIAL); // Enable Material Coloring
+ glEnable (GL_AUTO_NORMAL); // let OpenGL generate the Normals
- glDisable(GL_BLEND);
+ glDisable (GL_BLEND);
- glPolygonMode(GL_FRONT, GL_FILL);
- glPolygonMode(GL_BACK, GL_FILL);
+ glPolygonMode (GL_FRONT, GL_FILL);
+ glPolygonMode (GL_BACK, GL_FILL);
- glShadeModel(GL_SMOOTH);
- glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);
+ glShadeModel (GL_SMOOTH);
+ glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
XSelectInput (new->dpy, new->win, ExposureMask | StructureNotifyMask);
g_object_set (sink, "hook", new, NULL);
new->sink = sink;
- new->handler_id = g_signal_connect (sink, "notify", G_CALLBACK (gst_glxwindow_callback), new);
+ new->handler_id =
+ g_signal_connect (sink, "notify", G_CALLBACK (gst_glxwindow_callback),
+ new);
}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-09-03 04:16:12 +0000