mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-09 10:59:39 +00:00
Code Issues 1 Projects Releases Wiki Activity

eglglessink: Move VBO setup to it's own function

Browse source
This commit is contained in:
Reynaldo H. Verdejo Pinochet 2012-09-11 11:51:28 -03:00 committed by Sebastian Dröge
parent 3fce24549f
commit cca08a02a1
1 changed files with 80 additions and 57 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

137
ext/eglgles/gsteglglessink.c
View file

@ -238,6 +238,8 @@ static EGLNativeWindowType gst_eglglessink_create_window (GstEglGlesSink *
static gboolean gst_eglglessink_init_egl_display (GstEglGlesSink * eglglessink);
static gboolean gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink);
static void gst_eglglessink_init_egl_exts (GstEglGlesSink * eglglessink);
static gboolean gst_eglglessink_setup_vbo (GstEglGlesSink * eglglessink,
gboolean reset);
static void gst_eglglessink_render_and_display (GstEglGlesSink * sink,
GstBuffer * buf);
static inline gboolean got_gl_error (const char *wtf);
@ -960,6 +962,80 @@ SLOW_PATH_SELECTED:
return;
}
static gboolean
gst_eglglessink_setup_vbo (GstEglGlesSink * eglglessink, gboolean reset)
{
g_mutex_lock (eglglessink->flow_lock);
GST_INFO_OBJECT (eglglessink, "VBO setup. have_vbo:%d, should reset %d",
eglglessink->have_vbo, reset);
if (!eglglessink->have_vbo || reset) {
GST_DEBUG_OBJECT (eglglessink, "Performing VBO setup");
eglglessink->coordarray[0].x = -1;
eglglessink->coordarray[0].y = 1;
eglglessink->coordarray[0].z = 0;
eglglessink->coordarray[1].x = 1;
eglglessink->coordarray[1].y = 1;
eglglessink->coordarray[1].z = 0;
eglglessink->coordarray[2].x = 1;
eglglessink->coordarray[2].y = -1;
eglglessink->coordarray[2].z = 0;
eglglessink->coordarray[3].x = -1;
eglglessink->coordarray[3].y = -1;
eglglessink->coordarray[3].z = 0;
eglglessink->indexarray[0] = 1;
eglglessink->indexarray[1] = 2;
eglglessink->indexarray[2] = 0;
eglglessink->indexarray[3] = 3;
glGenBuffers (1, &eglglessink->vdata);
glGenBuffers (1, &eglglessink->idata);
if (got_gl_error ("glGenBuffers"))
goto HANDLE_ERROR_LOCKED;
glBindBuffer (GL_ARRAY_BUFFER, eglglessink->vdata);
if (got_gl_error ("glBindBuffer vdata"))
goto HANDLE_ERROR_LOCKED;
glBufferData (GL_ARRAY_BUFFER, sizeof (eglglessink->coordarray),
eglglessink->coordarray, GL_STATIC_DRAW);
if (got_gl_error ("glBufferData vdata"))
goto HANDLE_ERROR_LOCKED;
glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE, 0, 0);
if (got_gl_error ("glVertexAttribPointer"))
goto HANDLE_ERROR_LOCKED;
glEnableVertexAttribArray (0);
glBindBuffer (GL_ELEMENT_ARRAY_BUFFER, eglglessink->idata);
if (got_gl_error ("glBindBuffer idata"))
goto HANDLE_ERROR_LOCKED;
glBufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (eglglessink->indexarray),
eglglessink->indexarray, GL_STATIC_DRAW);
if (got_gl_error ("glBufferData idata"))
goto HANDLE_ERROR_LOCKED;
eglglessink->have_vbo = TRUE;
} else {
GST_INFO_OBJECT (eglglessink, "Won't perform VBO setup");
}
g_mutex_unlock (eglglessink->flow_lock);
return TRUE;
HANDLE_ERROR_LOCKED:
g_mutex_unlock (eglglessink->flow_lock);
GST_ERROR_OBJECT (eglglessink, "Unable to perform VBO setup");
return FALSE;
}
static gboolean
gst_eglglessink_init_egl_surface (GstEglGlesSink * eglglessink)
{
@ -1251,63 +1327,12 @@ gst_eglglessink_render_and_display (GstEglGlesSink * eglglessink,
/* XXX: VBO stuff this actually makes more sense on the setcaps stub?
* The way it is right now makes this happen only for the first buffer
* though so I guess it should work */
g_mutex_lock (eglglessink->flow_lock);
if (!eglglessink->have_vbo) {
GST_DEBUG_OBJECT (eglglessink, "Doing initial VBO setup");
eglglessink->coordarray[0].x = -1;
eglglessink->coordarray[0].y = 1;
eglglessink->coordarray[0].z = 0;
eglglessink->coordarray[1].x = 1;
eglglessink->coordarray[1].y = 1;
eglglessink->coordarray[1].z = 0;
eglglessink->coordarray[2].x = 1;
eglglessink->coordarray[2].y = -1;
eglglessink->coordarray[2].z = 0;
eglglessink->coordarray[3].x = -1;
eglglessink->coordarray[3].y = -1;
eglglessink->coordarray[3].z = 0;
eglglessink->indexarray[0] = 1;
eglglessink->indexarray[1] = 2;
eglglessink->indexarray[2] = 0;
eglglessink->indexarray[3] = 3;
glGenBuffers (1, &eglglessink->vdata);
glGenBuffers (1, &eglglessink->idata);
if (got_gl_error ("glGenBuffers"))
goto HANDLE_ERROR_LOCKED;
glBindBuffer (GL_ARRAY_BUFFER, eglglessink->vdata);
if (got_gl_error ("glBindBuffer vdata"))
goto HANDLE_ERROR_LOCKED;
glBufferData (GL_ARRAY_BUFFER, sizeof (eglglessink->coordarray),
eglglessink->coordarray, GL_STATIC_DRAW);
if (got_gl_error ("glBufferData vdata"))
goto HANDLE_ERROR_LOCKED;
glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE, 0, 0);
if (got_gl_error ("glVertexAttribPointer"))
goto HANDLE_ERROR_LOCKED;
glEnableVertexAttribArray (0);
glBindBuffer (GL_ELEMENT_ARRAY_BUFFER, eglglessink->idata);
if (got_gl_error ("glBindBuffer idata"))
goto HANDLE_ERROR_LOCKED;
glBufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (eglglessink->indexarray),
eglglessink->indexarray, GL_STATIC_DRAW);
if (got_gl_error ("glBufferData idata"))
goto HANDLE_ERROR_LOCKED;
if (gst_eglglessink_setup_vbo (eglglessink, FALSE)) {
glViewport (0, 0, w, h);
eglglessink->have_vbo = TRUE;
} else {
GST_ERROR_OBJECT (eglglessink, "VBO setup failed");
goto HANDLE_ERROR;
}
g_mutex_unlock (eglglessink->flow_lock);
glClearColor (1.0, 0.0, 0.0, 0.0);
glClear (GL_COLOR_BUFFER_BIT);
@ -1323,8 +1348,6 @@ gst_eglglessink_render_and_display (GstEglGlesSink * eglglessink,
HANDLE_EGL_ERROR:
GST_ERROR_OBJECT (eglglessink, "EGL call returned error %x", eglGetError ());
HANDLE_ERROR_LOCKED:
g_mutex_unlock (eglglessink->flow_lock);
HANDLE_ERROR:
GST_ERROR_OBJECT (eglglessink, "Rendering disabled for this frame");
}