static gboolean
gst_gl_filtershader_hcallback (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLShader *shader;
if (!(shader = _maybe_recompile_shader (filtershader)))
return FALSE;
gl->ClearColor (0.0, 0.0, 0.0, 1.0);
gl->Clear (GL_COLOR_BUFFER_BIT);
gst_gl_shader_use (shader);
/* FIXME: propertise these */
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_shader_set_uniform_1f (shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_shader_set_uniform_1f (shader, "time", filtershader->time);
/* FIXME: propertise these */
filter->draw_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
filter->draw_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_filter_draw_fullscreen_quad (filter);
gst_object_unref (shader);
return TRUE;
}
static void
gst_gl_filtershader_hcallback (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLShader *shader;
if (!(shader = _maybe_recompile_shader (filtershader)))
return;
gl->ClearColor (0.0, 0.0, 0.0, 1.0);
gl->Clear (GL_COLOR_BUFFER_BIT);
gst_gl_shader_use (shader);
/* FIXME: propertise these */
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_shader_set_uniform_1f (shader, "time", filtershader->time);
/* FIXME: propertise these */
filter->draw_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
filter->draw_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_filter_draw_texture (filter, texture, width, height);
gst_object_unref (shader);
}
