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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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[082/906] glfilter can request, use and reject a FBO (step 1)
git-svn-id: svn://svn.wobow.com/GStreamer_playground/gst-plugins-gl@494 93df14bb-0f41-7a43-8087-d3e2a2f0e464
This commit is contained in:
Julien Isorce
Matthew Waters
parent
31be382a90
commit
59dc400b7e
6 changed files with 419 additions and 301 deletions
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@ -29,6 +29,8 @@ static void gst_gl_display_finalize (GObject * object);
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static gpointer gst_gl_display_glutThreadFunc (GstGLDisplay* display);
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static void gst_gl_display_glutCreateWindow (GstGLDisplay* display);
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static void gst_gl_display_glutGenerateFBO (GstGLDisplay *display);
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static void gst_gl_display_glutUseFBO (GstGLDisplay *display);
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static void gst_gl_display_glutDestroyFBO (GstGLDisplay *display);
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static void gst_gl_display_glutDestroyWindow (GstGLDisplay* display);
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static void gst_gl_display_glutSetVisibleWindow (GstGLDisplay* display);
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static void gst_gl_display_glutPrepareTexture (GstGLDisplay* display);
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@ -95,6 +97,8 @@ gst_gl_display_init (GstGLDisplay *display, GstGLDisplayClass *klass)
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display->cond_clear = g_cond_new ();
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display->cond_video = g_cond_new ();
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display->cond_generateFBO = g_cond_new ();
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display->cond_useFBO = g_cond_new ();
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display->cond_destroyFBO = g_cond_new ();
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display->cond_create = g_cond_new ();
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display->cond_destroy = g_cond_new ();
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@ -113,6 +117,18 @@ gst_gl_display_init (GstGLDisplay *display, GstGLDisplayClass *klass)
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display->requestedTextureFBO = 0;
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display->requestedTextureFBOWidth = 0;
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display->requestedTextureFBOHeight = 0;
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display->usedFBO = 0;
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display->usedDepthBuffer = 0;
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display->usedTextureFBO = 0;
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display->usedTextureFBOWidth = 0;
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display->usedTextureFBOHeight = 0;
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display->glsceneFBO_cb = NULL;
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display->inputTextureWidth = 0;
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display->inputTextureHeight = 0;
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display->inputTexture = 0;
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display->rejectedFBO = 0;
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display->rejectedDepthBuffer = 0;
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display->rejectedTextureFBO = 0;
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display->requestedTexture = 0;
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display->requestedTexture_u = 0;
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@ -338,6 +354,14 @@ gst_gl_display_finalize (GObject *object)
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g_cond_free (display->cond_generateFBO);
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display->cond_generateFBO = NULL;
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}
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if (display->cond_useFBO) {
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g_cond_free (display->cond_useFBO);
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display->cond_useFBO = NULL;
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}
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if (display->cond_destroyFBO) {
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g_cond_free (display->cond_destroyFBO);
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display->cond_destroyFBO = NULL;
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}
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if (display->cond_create) {
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g_cond_free (display->cond_create);
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display->cond_create = NULL;
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@ -350,6 +374,8 @@ gst_gl_display_finalize (GObject *object)
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display->clientReshapeCallback = NULL;
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if (display->clientDrawCallback)
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display->clientDrawCallback = NULL;
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if (display->glsceneFBO_cb)
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display->glsceneFBO_cb = NULL;
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//at this step, the next condition imply that the last display has been pushed
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if (g_hash_table_size (gst_gl_display_map) == 0)
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@ -701,7 +727,73 @@ gst_gl_display_glutGenerateFBO (GstGLDisplay *display)
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//unbind the FBO
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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g_cond_signal (display->cond_video);
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g_cond_signal (display->cond_generateFBO);
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}
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/* Called by the idle funtion */
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static void
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gst_gl_display_glutUseFBO (GstGLDisplay *display)
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{
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glutSetWindow (display->glutWinId);
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, display->usedFBO);
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glPushAttrib(GL_VIEWPORT_BIT);
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glMatrixMode(GL_PROJECTION);
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glPushMatrix();
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glLoadIdentity();
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gluPerspective(45, (gfloat)display->usedTextureFBOWidth/(gfloat)display->usedTextureFBOHeight, 0.1, 100);
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//gluOrtho2D(0.0, display->usedTextureFBOWidth, 0.0, display->usedTextureFBOHeight);
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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glViewport(0, 0, display->usedTextureFBOWidth, display->usedTextureFBOHeight);
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glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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//the opengl scene
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display->glsceneFBO_cb (display->inputTextureWidth, display->inputTextureHeight, display->inputTexture);
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glDrawBuffer(GL_NONE);
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glUseProgramObjectARB (0);
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glDisable(GL_TEXTURE_RECTANGLE_ARB);
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glPopMatrix();
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glMatrixMode(GL_PROJECTION);
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glPopMatrix();
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glMatrixMode(GL_MODELVIEW);
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glPopAttrib();
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glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
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g_cond_signal (display->cond_useFBO);
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}
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/* Called by the idle funtion */
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static void
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gst_gl_display_glutDestroyFBO (GstGLDisplay *display)
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{
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glutSetWindow (display->glutWinId);
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glDeleteFramebuffersEXT (1, &display->rejectedFBO);
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glDeleteRenderbuffersEXT(1, &display->rejectedDepthBuffer);
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glDeleteTextures (1, &display->rejectedTextureFBO);
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display->rejectedFBO = 0;
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display->rejectedDepthBuffer = 0;
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display->rejectedTextureFBO = 0;
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g_cond_signal (display->cond_destroyFBO);
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}
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@ -903,6 +995,12 @@ gst_gl_display_glutDispatchAction (GstGLDisplayMsg* msg)
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case GST_GL_DISPLAY_ACTION_GENFBO:
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gst_gl_display_glutGenerateFBO (msg->display);
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break;
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case GST_GL_DISPLAY_ACTION_DELFBO:
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gst_gl_display_glutDestroyFBO (msg->display);
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break;
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case GST_GL_DISPLAY_ACTION_USEFBO:
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gst_gl_display_glutUseFBO (msg->display);
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break;
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default:
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g_assert_not_reached ();
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}
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@ -930,6 +1028,8 @@ gst_gl_display_checkMsgValidity (GstGLDisplayMsg *msg)
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case GST_GL_DISPLAY_ACTION_VIDEO:
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case GST_GL_DISPLAY_ACTION_REDISPLAY:
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case GST_GL_DISPLAY_ACTION_GENFBO:
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case GST_GL_DISPLAY_ACTION_DELFBO:
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case GST_GL_DISPLAY_ACTION_USEFBO:
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//msg is out of date if the associated display is not in the map
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if (!g_hash_table_lookup (gst_gl_display_map, GINT_TO_POINTER (msg->glutWinId)))
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valid = FALSE;
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@ -1154,6 +1254,43 @@ gst_gl_display_requestFBO (GstGLDisplay* display, gint width, gint height,
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}
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/* Called by gst_gl elements */
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void
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gst_gl_display_useFBO (GstGLDisplay* display, gint textureFBOWidth, gint textureFBOheight,
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guint fbo, guint depthbuffer, guint textureFBO, GLCB cb,
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guint inputTextureWidth, guint inputTextureHeight, guint inputTexture)
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{
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gst_gl_display_lock (display);
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display->usedFBO = fbo;
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display->usedDepthBuffer = depthbuffer;
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display->usedTextureFBO = textureFBO;
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display->usedTextureFBOWidth = textureFBOWidth;
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display->usedTextureFBOHeight = textureFBOheight;
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display->glsceneFBO_cb = cb;
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display->inputTextureWidth = inputTextureWidth;
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display->inputTextureHeight = inputTextureHeight;
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display->inputTexture = inputTexture;
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gst_gl_display_postMessage (GST_GL_DISPLAY_ACTION_USEFBO, display);
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g_cond_wait (display->cond_useFBO, display->mutex);
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gst_gl_display_unlock (display);
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}
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/* Called by gst_gl elements */
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void
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gst_gl_display_rejectFBO (GstGLDisplay* display, guint fbo,
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guint depthbuffer, guint texture)
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{
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gst_gl_display_lock (display);
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display->rejectedFBO = fbo;
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display->rejectedDepthBuffer = depthbuffer;
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display->rejectedTextureFBO = texture;
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gst_gl_display_postMessage (GST_GL_DISPLAY_ACTION_DELFBO, display);
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g_cond_wait (display->cond_destroyFBO, display->mutex);
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gst_gl_display_unlock (display);
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}
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/* Called by gst_gl elements */
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void
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gst_gl_display_set_windowId (GstGLDisplay* display, gulong winId)
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@ -51,7 +51,9 @@ typedef enum {
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GST_GL_DISPLAY_ACTION_CLEAR,
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GST_GL_DISPLAY_ACTION_VIDEO,
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GST_GL_DISPLAY_ACTION_REDISPLAY,
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GST_GL_DISPLAY_ACTION_GENFBO
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GST_GL_DISPLAY_ACTION_GENFBO,
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GST_GL_DISPLAY_ACTION_DELFBO,
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GST_GL_DISPLAY_ACTION_USEFBO
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} GstGLDisplayAction;
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@ -76,6 +78,9 @@ typedef struct _GstGLDisplayTex {
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typedef void (* CRCB) ( GLuint, GLuint );
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typedef gboolean (* CDCB) ( GLuint, GLuint, GLuint);
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//opengl scene callback
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typedef void (* GLCB) ( GLuint, GLuint, GLuint);
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struct _GstGLDisplay {
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GObject object;
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@ -88,6 +93,8 @@ struct _GstGLDisplay {
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GCond* cond_clear;
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GCond* cond_video;
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GCond* cond_generateFBO;
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GCond* cond_useFBO;
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GCond* cond_destroyFBO;
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GCond* cond_create;
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GCond* cond_destroy;
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@ -119,6 +126,18 @@ struct _GstGLDisplay {
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GLuint requestedTextureFBO;
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GLuint requestedTextureFBOWidth;
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GLuint requestedTextureFBOHeight;
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GLuint usedFBO;
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GLuint usedDepthBuffer;
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GLuint usedTextureFBO;
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GLuint usedTextureFBOWidth;
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GLuint usedTextureFBOHeight;
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GLCB glsceneFBO_cb;
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GLuint inputTextureWidth;
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GLuint inputTextureHeight;
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GLuint inputTexture;
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GLuint rejectedFBO;
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GLuint rejectedDepthBuffer;
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GLuint rejectedTextureFBO;
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GLuint requestedTexture;
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GLuint requestedTexture_u;
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@ -196,7 +215,7 @@ GType gst_gl_display_get_type (void);
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//------------------------------------------------------------
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//-------------------- Public d<EFBFBD>clarations ------------------
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//-------------------- Public declarations ------------------
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//------------------------------------------------------------
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GstGLDisplay *gst_gl_display_new (void);
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void gst_gl_display_initGLContext (GstGLDisplay* display,
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@ -222,6 +241,11 @@ void gst_gl_display_videoChanged (GstGLDisplay* display, GstVideoFormat video_fo
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gboolean gst_gl_display_postRedisplay (GstGLDisplay* display);
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void gst_gl_display_requestFBO (GstGLDisplay* display, gint width, gint height,
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guint* fbo, guint* depthbuffer, guint* texture);
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void gst_gl_display_useFBO (GstGLDisplay* display, gint textureFBOWidth, gint textureFBOheight,
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guint fbo, guint depthbuffer, guint textureFBO, GLCB cb,
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guint inputTextureWidth, guint inputTextureHeight, guint inputTexture);
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void gst_gl_display_rejectFBO (GstGLDisplay* display, guint fbo,
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guint depthbuffer, guint texture);
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void gst_gl_display_set_windowId (GstGLDisplay* display, gulong winId);
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#endif
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@ -105,10 +105,6 @@ gst_gl_filter_init (GstGLFilter * filter, GstGLFilterClass * klass)
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filter->sinkpad = gst_element_get_static_pad (GST_ELEMENT (filter), "sink");
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filter->srcpad = gst_element_get_static_pad (GST_ELEMENT (filter), "src");
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/*gst_gl_display_requestFBO
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filter->fbo = */
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gst_gl_filter_reset (filter);
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}
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@ -143,12 +139,18 @@ gst_gl_filter_reset (GstGLFilter* filter)
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{
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if (filter->display)
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{
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//blocking call, delete the FBO
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gst_gl_display_rejectFBO (filter->display, filter->fbo,
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filter->depthbuffer, filter->texture);
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g_object_unref (filter->display);
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filter->display = NULL;
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}
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filter->video_format = GST_VIDEO_FORMAT_UNKNOWN;
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filter->width = 0;
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filter->height = 0;
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filter->fbo = 0;
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filter->depthbuffer = 0;
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filter->texture = 0;
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}
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static gboolean
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@ -194,7 +196,12 @@ gst_gl_filter_prepare_output_buffer (GstBaseTransform* trans,
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filter = GST_GL_FILTER (trans);
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if (filter->display == NULL)
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{
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filter->display = g_object_ref (gl_inbuf->display);
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//blocking call, generate a FBO
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gst_gl_display_requestFBO (filter->display, filter->width, filter->height,
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&filter->fbo, &filter->depthbuffer, &filter->texture);
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}
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gl_outbuf = gst_gl_buffer_new_from_video_format (filter->display,
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filter->video_format,
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@ -256,74 +263,7 @@ gst_gl_filter_do_transform (GstGLFilter * filter,
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GstGLDisplay* display = inbuf->display;
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GstGLFilterClass* filter_class = GST_GL_FILTER_GET_CLASS (filter);
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outbuf->texture = inbuf->texture;
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/*unsigned int fbo;
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gst_gl_display_lock (display);
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glGenFramebuffersEXT (1, &fbo);
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glBindFramebufferEXT (GL_FRAMEBUFFER_EXT, fbo);
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glFramebufferTexture2DEXT (GL_FRAMEBUFFER_EXT,
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GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, outbuf->texture, 0);
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glDrawBuffer (GL_COLOR_ATTACHMENT0_EXT);
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glReadBuffer (GL_COLOR_ATTACHMENT0_EXT);
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g_assert (glCheckFramebufferStatusEXT (GL_FRAMEBUFFER_EXT) ==
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GL_FRAMEBUFFER_COMPLETE_EXT);
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glViewport (0, 0, outbuf->width, outbuf->height);
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glClearColor (0.3, 0.3, 0.3, 1.0);
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glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glMatrixMode (GL_PROJECTION);
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glLoadIdentity ();
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glMatrixMode (GL_MODELVIEW);
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glLoadIdentity ();
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glDisable (GL_CULL_FACE);
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glEnableClientState (GL_TEXTURE_COORD_ARRAY);
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glColor4f (1, 1, 1, 1);
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glEnable (GL_TEXTURE_RECTANGLE_ARB);
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glActiveTexture (GL_TEXTURE0);
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glBindTexture (GL_TEXTURE_RECTANGLE_ARB, inbuf->texture);*/
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filter_class->filter (filter, inbuf, outbuf);
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/*
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#if 0
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
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glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
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glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
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glColor4f (1, 0, 1, 1);
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glBegin (GL_QUADS);
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glNormal3f (0, 0, -1);
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glTexCoord2f (inbuf->width, 0);
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glVertex3f (0.9, -0.9, 0);
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glTexCoord2f (0, 0);
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glVertex3f (-1.0, -1.0, 0);
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glTexCoord2f (0, inbuf->height);
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glVertex3f (-1.0, 1.0, 0);
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glTexCoord2f (inbuf->width, inbuf->height);
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glVertex3f (1.0, 1.0, 0);
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glEnd ();
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#endif
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glFlush ();
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glDeleteFramebuffersEXT (1, &fbo);
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gst_gl_display_unlock (display);*/
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return TRUE;
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}
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@ -48,8 +48,11 @@ struct _GstGLFilter
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GstGLDisplay *display;
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GstVideoFormat video_format;
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int width;
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int height;
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gint width;
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gint height;
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guint fbo;
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guint depthbuffer;
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guint texture;
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};
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struct _GstGLFilterClass
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@ -51,6 +51,7 @@ static void gst_gl_filter_cube_get_property (GObject * object, guint prop_id,
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static gboolean gst_gl_filter_cube_filter (GstGLFilter * filter,
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GstGLBuffer * inbuf, GstGLBuffer * outbuf);
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static void gst_gl_filter_cube_callback (guint width, guint height, guint texture);
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static void
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@ -85,7 +86,8 @@ gst_gl_filter_cube_set_property (GObject * object, guint prop_id,
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{
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//GstGLFilterCube *filter = GST_GL_FILTER_CUBE (object);
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switch (prop_id) {
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switch (prop_id)
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{
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default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -98,7 +100,8 @@ gst_gl_filter_cube_get_property (GObject * object, guint prop_id,
|
|||
{
|
||||
//GstGLFilterCube *filter = GST_GL_FILTER_CUBE (object);
|
||||
|
||||
switch (prop_id) {
|
||||
switch (prop_id)
|
||||
{
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -109,79 +112,86 @@ static gboolean
|
|||
gst_gl_filter_cube_filter (GstGLFilter* filter, GstGLBuffer* inbuf,
|
||||
GstGLBuffer* outbuf)
|
||||
{
|
||||
GstGLFilterCube* cube = GST_GL_FILTER_CUBE(filter);
|
||||
GstGLFilterCube* cube_filter = GST_GL_FILTER_CUBE(filter);
|
||||
|
||||
g_print ("gstglfiltercube: gst_gl_filter_cube_filter\n");
|
||||
/*int i, j;
|
||||
double *vertex_x, *vertex_y;
|
||||
|
||||
glDisable (GL_CULL_FACE);
|
||||
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
|
||||
//blocking call, generate a FBO
|
||||
gst_gl_display_useFBO (filter->display, filter->width, filter->height,
|
||||
filter->fbo, filter->depthbuffer, filter->texture, gst_gl_filter_cube_callback,
|
||||
inbuf->width, inbuf->height, inbuf->texture);
|
||||
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
|
||||
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
||||
|
||||
glColor4f (1, 0, 1, 1);
|
||||
|
||||
|
||||
|
||||
glMatrixMode (GL_COLOR);
|
||||
glLoadMatrixd (matrix);
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, (1 - GAIN) / 2);
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, (1 - GAIN) / 2);
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, (1 - GAIN) / 2);
|
||||
}
|
||||
|
||||
|
||||
|
||||
#define N 10
|
||||
#define SCALE (1.0/N)
|
||||
#define NOISE() (0.1*SCALE*g_random_double_range(-1,1))
|
||||
vertex_x = malloc (sizeof (double) * (N + 1) * (N + 1));
|
||||
vertex_y = malloc (sizeof (double) * (N + 1) * (N + 1));
|
||||
for (j = 0; j < N + 1; j++) {
|
||||
for (i = 0; i < N + 1; i++) {
|
||||
vertex_x[j * (N + 1) + i] = i * SCALE + NOISE ();
|
||||
vertex_y[j * (N + 1) + i] = j * SCALE + NOISE ();
|
||||
}
|
||||
}
|
||||
for (j = 0; j < N; j++) {
|
||||
for (i = 0; i < N; i++) {
|
||||
glBegin (GL_QUADS);
|
||||
glNormal3f (0, 0, -1);
|
||||
glTexCoord2f (i * SCALE, j * SCALE);
|
||||
glVertex3f (vertex_x[j * (N + 1) + i], vertex_y[j * (N + 1) + i], 0);
|
||||
glTexCoord2f ((i + 1) * SCALE, j * SCALE);
|
||||
glVertex3f (vertex_x[j * (N + 1) + (i + 1)],
|
||||
vertex_y[j * (N + 1) + (i + 1)], 0);
|
||||
glTexCoord2f ((i + 1) * SCALE, (j + 1) * SCALE);
|
||||
glVertex3f (vertex_x[(j + 1) * (N + 1) + (i + 1)],
|
||||
vertex_y[(j + 1) * (N + 1) + (i + 1)], 0);
|
||||
glTexCoord2f (i * SCALE, (j + 1) * SCALE);
|
||||
glVertex3f (vertex_x[(j + 1) * (N + 1) + i],
|
||||
vertex_y[(j + 1) * (N + 1) + i], 0);
|
||||
glEnd ();
|
||||
}
|
||||
}
|
||||
free (vertex_x);
|
||||
free (vertex_y);
|
||||
|
||||
|
||||
glFlush ();
|
||||
|
||||
glMatrixMode (GL_MODELVIEW);
|
||||
glLoadIdentity ();
|
||||
glMatrixMode (GL_TEXTURE);
|
||||
glLoadIdentity ();
|
||||
glMatrixMode (GL_COLOR);
|
||||
glLoadIdentity ();
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_SCALE, 1.0);
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_RED_BIAS, 0);
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_GREEN_BIAS, 0);
|
||||
glPixelTransferf (GL_POST_COLOR_MATRIX_BLUE_BIAS, 0);*/
|
||||
outbuf->width = filter->width;
|
||||
outbuf->height = filter->height;
|
||||
outbuf->texture = filter->texture;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
//opengl scene, params: input texture (not the output filter->texture)
|
||||
static void
|
||||
gst_gl_filter_cube_callback (guint width, guint height, guint texture)
|
||||
{
|
||||
static GLfloat xrot = 0;
|
||||
static GLfloat yrot = 0;
|
||||
static GLfloat zrot = 0;
|
||||
|
||||
g_print ("gstglfiltercube: gst_gl_filter_cube_callback\n");
|
||||
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
|
||||
glEnable (GL_TEXTURE_RECTANGLE_ARB);
|
||||
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
||||
glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
||||
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
||||
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
|
||||
glTranslatef(0.0f,0.0f,-5.0f);
|
||||
|
||||
glRotatef(xrot,1.0f,0.0f,0.0f);
|
||||
glRotatef(yrot,0.0f,1.0f,0.0f);
|
||||
glRotatef(zrot,0.0f,0.0f,1.0f);
|
||||
|
||||
glBegin(GL_QUADS);
|
||||
// Front Face
|
||||
glTexCoord2f((gfloat)width, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
|
||||
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
|
||||
glTexCoord2f(0.0f, (gfloat)height); glVertex3f( 1.0f, 1.0f, 1.0f);
|
||||
glTexCoord2f((gfloat)width, (gfloat)height); glVertex3f(-1.0f, 1.0f, 1.0f);
|
||||
// Back Face
|
||||
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
|
||||
glTexCoord2f(0.0f, (gfloat)height); glVertex3f(-1.0f, 1.0f, -1.0f);
|
||||
glTexCoord2f((gfloat)width, (gfloat)height); glVertex3f( 1.0f, 1.0f, -1.0f);
|
||||
glTexCoord2f((gfloat)width, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
|
||||
// Top Face
|
||||
glTexCoord2f((gfloat)width, (gfloat)height); glVertex3f(-1.0f, 1.0f, -1.0f);
|
||||
glTexCoord2f((gfloat)width, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
|
||||
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, 1.0f, 1.0f);
|
||||
glTexCoord2f(0.0f, (gfloat)height); glVertex3f( 1.0f, 1.0f, -1.0f);
|
||||
// Bottom Face
|
||||
glTexCoord2f((gfloat)width, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
|
||||
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
|
||||
glTexCoord2f(0.0f, (gfloat)height); glVertex3f( 1.0f, -1.0f, 1.0f);
|
||||
glTexCoord2f((gfloat)width,(gfloat)height); glVertex3f(-1.0f, -1.0f, 1.0f);
|
||||
// Right face
|
||||
glTexCoord2f(0.0f, 0.0f); glVertex3f( 1.0f, -1.0f, -1.0f);
|
||||
glTexCoord2f(0.0f, (gfloat)height); glVertex3f( 1.0f, 1.0f, -1.0f);
|
||||
glTexCoord2f((gfloat)width, (gfloat)height); glVertex3f( 1.0f, 1.0f, 1.0f);
|
||||
glTexCoord2f((gfloat)width, 0.0f); glVertex3f( 1.0f, -1.0f, 1.0f);
|
||||
// Left Face
|
||||
glTexCoord2f((gfloat)width, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
|
||||
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
|
||||
glTexCoord2f(0.0f, (gfloat)height); glVertex3f(-1.0f, 1.0f, 1.0f);
|
||||
glTexCoord2f((gfloat)width, (gfloat)height); glVertex3f(-1.0f, 1.0f, -1.0f);
|
||||
glEnd();
|
||||
|
||||
xrot+=0.3f;
|
||||
yrot+=0.2f;
|
||||
zrot+=0.4f;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -168,7 +168,8 @@ gst_glimage_sink_set_property (GObject * object, guint prop_id,
|
|||
|
||||
glimage_sink = GST_GLIMAGE_SINK (object);
|
||||
|
||||
switch (prop_id) {
|
||||
switch (prop_id)
|
||||
{
|
||||
case ARG_DISPLAY:
|
||||
g_free (glimage_sink->display_name);
|
||||
glimage_sink->display_name = g_strdup (g_value_get_string (value));
|
||||
|
|
@ -188,9 +189,9 @@ gst_glimage_sink_finalize (GObject * object)
|
|||
|
||||
glimage_sink = GST_GLIMAGE_SINK (object);
|
||||
|
||||
if (glimage_sink->caps) {
|
||||
if (glimage_sink->caps)
|
||||
gst_caps_unref (glimage_sink->caps);
|
||||
}
|
||||
|
||||
g_free (glimage_sink->display_name);
|
||||
}
|
||||
|
||||
|
|
@ -204,7 +205,8 @@ gst_glimage_sink_get_property (GObject * object, guint prop_id,
|
|||
|
||||
glimage_sink = GST_GLIMAGE_SINK (object);
|
||||
|
||||
switch (prop_id) {
|
||||
switch (prop_id)
|
||||
{
|
||||
case ARG_DISPLAY:
|
||||
g_value_set_string (value, glimage_sink->display_name);
|
||||
break;
|
||||
|
|
@ -228,7 +230,8 @@ gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
|
|||
|
||||
glimage_sink = GST_GLIMAGE_SINK (element);
|
||||
|
||||
switch (transition) {
|
||||
switch (transition)
|
||||
{
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||
|
|
@ -243,7 +246,8 @@ gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
|
|||
if (ret == GST_STATE_CHANGE_FAILURE)
|
||||
return ret;
|
||||
|
||||
switch (transition) {
|
||||
switch (transition)
|
||||
{
|
||||
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
||||
break;
|
||||
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||
|
|
|
|||
Loading…
Reference in a new issue