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[116/906] git-svn-id: svn://svn.wobow.com/GStreamer_playground/gst-plugins-gl@563 93df14bb-0f41-7a43-8087-d3e2a2f0e464

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This commit is contained in:
Julien Isorce 2008-07-05 22:56:29 +00:00 committed by Tim-Philipp Müller
parent 908e74de67
commit 7a063dd47f
2 changed files with 58 additions and 124 deletions
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151
gst-libs/gst/gl/gstgldisplay.c
View file

@ -48,7 +48,6 @@ static void gst_gl_display_thread_init_download (GstGLDisplay *display);
static void gst_gl_display_thread_do_download (GstGLDisplay* display);
static void gst_gl_display_thread_gen_fbo (GstGLDisplay *display);
static void gst_gl_display_thread_use_fbo (GstGLDisplay *display);
static void gst_gl_display_thread_use_fbo_2 (GstGLDisplay *display);
static void gst_gl_display_thread_del_fbo (GstGLDisplay *display);
static void gst_gl_display_thread_gen_shader (GstGLDisplay *display);
static void gst_gl_display_thread_del_shader (GstGLDisplay *display);
@ -79,17 +78,17 @@ static void gst_gl_display_thread_do_download_draw (GstGLDisplay* display);
//------------------------------------------------------------
//-------------------- Glut context management ---------------
//-------------------- GL context management -----------------
//------------------------------------------------------------
//(key=int glutWinId) and (value=GstGLDisplay *display)
static GHashTable *gst_gl_display_map = NULL;
static GHashTable* gst_gl_display_map = NULL;
//all glut functions and opengl primitives are called in this thread
static GThread *gst_gl_display_glutThread = NULL;
static GThread* gst_gl_display_glutThread = NULL;
//-timepoped by glutIdleFunc
static GAsyncQueue *gst_gl_display_messageQueue = NULL;
static GAsyncQueue* gst_gl_display_messageQueue = NULL;
//------------------------------------------------------------
@ -135,7 +134,6 @@ gst_gl_display_init (GstGLDisplay *display, GstGLDisplayClass *klass)
display->cond_do_download = g_cond_new ();
display->cond_gen_fbo = g_cond_new ();
display->cond_use_fbo = g_cond_new ();
display->cond_use_fbo_2 = g_cond_new ();
display->cond_del_fbo = g_cond_new ();
display->cond_gen_shader = g_cond_new ();
display->cond_del_shader = g_cond_new ();
@ -182,10 +180,12 @@ gst_gl_display_init (GstGLDisplay *display, GstGLDisplayClass *klass)
display->use_fbo_width = 0;
display->use_fbo_height = 0;
display->use_fbo_scene_cb = NULL;
display->use_shader = 0;
display->use_fbo_scene_cb_2 = NULL;
display->p1 = NULL;
display->p2 = NULL;
display->use_fbo_proj_param1 = 0;
display->use_fbo_proj_param2 = 0;
display->use_fbo_proj_param3 = 0;
display->use_fbo_proj_param4 = 0;
display->use_fbo_projection = 0;
display->use_fbo_stuff = NULL;
display->input_texture_width = 0;
display->input_texture_height = 0;
display->input_texture = 0;
@ -382,10 +382,6 @@ gst_gl_display_finalize (GObject *object)
g_cond_free (display->cond_del_fbo);
display->cond_del_fbo = NULL;
}
if (display->cond_use_fbo_2) {
g_cond_free (display->cond_use_fbo_2);
display->cond_use_fbo_2 = NULL;
}
if (display->cond_use_fbo) {
g_cond_free (display->cond_use_fbo);
display->cond_use_fbo = NULL;
@ -432,12 +428,8 @@ gst_gl_display_finalize (GObject *object)
display->clientDrawCallback = NULL;
if (display->use_fbo_scene_cb)
display->use_fbo_scene_cb = NULL;
if (display->use_fbo_scene_cb_2)
display->use_fbo_scene_cb_2 = NULL;
if (display->p1)
display->p1 = NULL;
if (display->p2)
display->p2 = NULL;
if (display->use_fbo_stuff)
display->use_fbo_stuff = NULL;
//at this step, the next condition imply that the last display has been pushed
if (g_hash_table_size (gst_gl_display_map) == 0)
@ -556,9 +548,6 @@ gst_gl_display_thread_dispatch_action (GstGLDisplayMsg* msg)
case GST_GL_DISPLAY_ACTION_USE_FBO:
gst_gl_display_thread_use_fbo (msg->display);
break;
case GST_GL_DISPLAY_ACTION_USE_FBO2:
gst_gl_display_thread_use_fbo_2 (msg->display);
break;
case GST_GL_DISPLAY_ACTION_DEL_FBO:
gst_gl_display_thread_del_fbo (msg->display);
break;
@ -600,7 +589,6 @@ gst_gl_display_thread_check_msg_validity (GstGLDisplayMsg *msg)
case GST_GL_DISPLAY_ACTION_DO_DOWNLOAD:
case GST_GL_DISPLAY_ACTION_GEN_FBO:
case GST_GL_DISPLAY_ACTION_USE_FBO:
case GST_GL_DISPLAY_ACTION_USE_FBO2:
case GST_GL_DISPLAY_ACTION_DEL_FBO:
case GST_GL_DISPLAY_ACTION_GEN_SHADER:
case GST_GL_DISPLAY_ACTION_DEL_SHADER:
@ -625,6 +613,9 @@ gst_gl_display_thread_check_msg_validity (GstGLDisplayMsg *msg)
//------------------ BEGIN GL THREAD ACTIONS -----------------
//------------------------------------------------------------
//The following functions are thread safe because
//called by the "gst_gl_display_thread_dispatch_action"
//in a lock/unlock scope.
/* Called in the gl thread */
static void
@ -1261,8 +1252,20 @@ gst_gl_display_thread_use_fbo (GstGLDisplay *display)
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluPerspective(45, (gfloat)display->use_fbo_width/(gfloat)display->use_fbo_height, 0.1, 100);
//gluOrtho2D(0.0, display->use_fbo_width, 0.0, display->use_fbo_height);
switch (display->use_fbo_projection)
{
case GST_GL_DISPLAY_PROJECTION_ORTHO2D:
gluOrtho2D(display->use_fbo_proj_param1, display->use_fbo_proj_param2,
display->use_fbo_proj_param3, display->use_fbo_proj_param4);
break;
case GST_GL_DISPLAY_PROJECTION_PERSPECIVE:
gluPerspective(display->use_fbo_proj_param1, display->use_fbo_proj_param2,
display->use_fbo_proj_param3, display->use_fbo_proj_param4);
break;
default:
g_assert_not_reached ();
}
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
@ -1276,7 +1279,7 @@ gst_gl_display_thread_use_fbo (GstGLDisplay *display)
//the opengl scene
display->use_fbo_scene_cb (display->input_texture_width, display->input_texture_height,
display->input_texture, display->use_shader);
display->input_texture, display->use_fbo_stuff);
glDrawBuffer(GL_NONE);
@ -1296,66 +1299,6 @@ gst_gl_display_thread_use_fbo (GstGLDisplay *display)
}
/* Called in the gl thread */
static void
gst_gl_display_thread_use_fbo_2 (GstGLDisplay *display)
{
glutSetWindow (display->glutWinId);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, display->use_fbo);
//setup a texture to render to
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, display->use_fbo_texture);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8,
display->use_fbo_width, display->use_fbo_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
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);
//attach the texture to the FBO to renderer to
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
GL_TEXTURE_RECTANGLE_ARB, display->use_fbo_texture, 0);
glPushAttrib(GL_VIEWPORT_BIT);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0.0, display->use_fbo_width, 0.0, display->use_fbo_height);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glViewport(0, 0, display->use_fbo_width, display->use_fbo_height);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//the opengl scene
display->use_fbo_scene_cb_2 (display->p1, display->p2,
display->use_fbo_width, display->use_fbo_height);
glDrawBuffer(GL_NONE);
glUseProgramObjectARB (0);
glDisable(GL_TEXTURE_RECTANGLE_ARB);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopAttrib();
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
g_cond_signal (display->cond_use_fbo_2);
}
/* Called in the gl thread */
static void
gst_gl_display_thread_del_fbo (GstGLDisplay* display)
@ -1867,8 +1810,10 @@ gst_gl_display_gen_fbo (GstGLDisplay* display, gint width, gint height,
void
gst_gl_display_use_fbo (GstGLDisplay* display, gint texture_fbo_width, gint texture_fbo_height,
guint fbo, guint depth_buffer, guint texture_fbo, GLCB cb,
guint input_texture_width, guint input_texture_height, guint input_texture,
GLhandleARB shader)
gint input_texture_width, gint input_texture_height, guint input_texture,
gdouble proj_param1, gdouble proj_param2,
gdouble proj_param3, gdouble proj_param4,
GstGLDisplayProjection projection, gpointer* stuff)
{
gst_gl_display_lock (display);
display->use_fbo = fbo;
@ -1877,7 +1822,12 @@ gst_gl_display_use_fbo (GstGLDisplay* display, gint texture_fbo_width, gint text
display->use_fbo_width = texture_fbo_width;
display->use_fbo_height = texture_fbo_height;
display->use_fbo_scene_cb = cb;
display->use_shader = shader;
display->use_fbo_proj_param1 = proj_param1;
display->use_fbo_proj_param2 = proj_param2;
display->use_fbo_proj_param3 = proj_param3;
display->use_fbo_proj_param4 = proj_param4;
display->use_fbo_projection = projection;
display->use_fbo_stuff = stuff;
display->input_texture_width = input_texture_width;
display->input_texture_height = input_texture_height;
display->input_texture = input_texture;
@ -1887,27 +1837,6 @@ gst_gl_display_use_fbo (GstGLDisplay* display, gint texture_fbo_width, gint text
}
/* Called by gltestsrc */
void
gst_gl_display_use_fbo_2 (GstGLDisplay* display, gint texture_fbo_width, gint texture_fbo_height,
guint fbo, guint depth_buffer, guint texture_fbo, GLCB2 cb2,
gpointer* p1, gpointer* p2)
{
gst_gl_display_lock (display);
display->use_fbo = fbo;
display->use_depth_buffer = depth_buffer;
display->use_fbo_texture = texture_fbo;
display->use_fbo_width = texture_fbo_width;
display->use_fbo_height = texture_fbo_height;
display->use_fbo_scene_cb_2 = cb2;
display->p1 = p1;
display->p2 = p2;
gst_gl_display_post_message (GST_GL_DISPLAY_ACTION_USE_FBO2, display);
g_cond_wait (display->cond_use_fbo_2, display->mutex);
gst_gl_display_unlock (display);
}
/* Called by gltestsrc and glfilter */
void
gst_gl_display_del_fbo (GstGLDisplay* display, guint fbo,

31
gst-libs/gst/gl/gstgldisplay.h
View file

@ -49,6 +49,13 @@ typedef enum {
} GstGLDisplayConversion;
//Projection type
typedef enum {
GST_GL_DISPLAY_PROJECTION_ORTHO2D,
GST_GL_DISPLAY_PROJECTION_PERSPECIVE
} GstGLDisplayProjection;
//Message type
typedef enum {
GST_GL_DISPLAY_ACTION_CREATE_CONTEXT,
@ -64,7 +71,6 @@ typedef enum {
GST_GL_DISPLAY_ACTION_DO_DOWNLOAD,
GST_GL_DISPLAY_ACTION_GEN_FBO,
GST_GL_DISPLAY_ACTION_USE_FBO,
GST_GL_DISPLAY_ACTION_USE_FBO2,
GST_GL_DISPLAY_ACTION_DEL_FBO,
GST_GL_DISPLAY_ACTION_GEN_SHADER,
GST_GL_DISPLAY_ACTION_DEL_SHADER
@ -91,8 +97,7 @@ typedef void (* CRCB) ( GLuint, GLuint );
typedef gboolean (* CDCB) ( GLuint, GLuint, GLuint);
//opengl scene callback
typedef void (* GLCB) ( GLuint, GLuint, GLuint, GLhandleARB);
typedef void (* GLCB2) ( gpointer* p1, gpointer* p2, gint w, gint h);
typedef void (* GLCB) ( gint, gint, guint, gpointer stuff);
struct _GstGLDisplay {
GObject object;
@ -121,7 +126,6 @@ struct _GstGLDisplay {
GCond* cond_do_download;
GCond* cond_gen_fbo;
GCond* cond_use_fbo;
GCond* cond_use_fbo_2;
GCond* cond_del_fbo;
GCond* cond_gen_shader;
GCond* cond_del_shader;
@ -168,10 +172,12 @@ struct _GstGLDisplay {
GLuint use_fbo_width;
GLuint use_fbo_height;
GLCB use_fbo_scene_cb;
GLhandleARB use_shader;
GLCB2 use_fbo_scene_cb_2;
gpointer* p1;
gpointer* p2;
gdouble use_fbo_proj_param1;
gdouble use_fbo_proj_param2;
gdouble use_fbo_proj_param3;
gdouble use_fbo_proj_param4;
GstGLDisplayProjection use_fbo_projection;
gpointer* use_fbo_stuff;
GLuint input_texture_width;
GLuint input_texture_height;
GLuint input_texture;
@ -263,11 +269,10 @@ void gst_gl_display_gen_fbo (GstGLDisplay* display, gint width, gint height,
guint* fbo, guint* depthbuffer);
void gst_gl_display_use_fbo (GstGLDisplay* display, gint texture_fbo_width, gint texture_fbo_height,
guint fbo, guint depth_buffer, guint texture_fbo, GLCB cb,
guint input_texture_width, guint input_texture_height, guint input_texture,
GLhandleARB shader);
void gst_gl_display_use_fbo_2 (GstGLDisplay* display, gint texture_fbo_width, gint texture_fbo_height,
guint fbo, guint depth_buffer, guint texture_fbo, GLCB2 cb2,
gpointer* p1, gpointer* p2);
gint input_texture_width, gint input_texture_height, guint input_texture,
gdouble proj_param1, gdouble proj_param2,
gdouble proj_param3, gdouble proj_param4,
GstGLDisplayProjection projection, gpointer* stuff);
void gst_gl_display_del_fbo (GstGLDisplay* display, guint fbo,
guint depth_buffer);