diff --git a/ext/gl/gstglcolorscale.c b/ext/gl/gstglcolorscale.c index 10ea7fc943..b4f501bd94 100644 --- a/ext/gl/gstglcolorscale.c +++ b/ext/gl/gstglcolorscale.c @@ -70,10 +70,17 @@ static void gst_gl_colorscale_set_property (GObject * object, guint prop_id, static void gst_gl_colorscale_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); +#if GST_GL_HAVE_GLES2 +static gboolean gst_gl_colorscale_gen_gl_resources (GstGLFilter * filter); +static void gst_gl_colorscale_del_gl_resources (GstGLFilter * filter); +#endif + static gboolean gst_gl_colorscale_filter_texture (GstGLFilter * filter, guint in_tex, guint out_tex); +#if GST_GL_HAVE_OPENGL static void gst_gl_colorscale_callback (gint width, gint height, guint texture, gpointer stuff); +#endif static void gst_gl_colorscale_class_init (GstGLColorscaleClass * klass) @@ -93,12 +100,21 @@ gst_gl_colorscale_class_init (GstGLColorscaleClass * klass) "Filter/Effect/Video", "Colorspace converter and video scaler", "Julien Isorce "); +#if GST_GL_HAVE_GLES2 + filter_class->onInitFBO = + GST_DEBUG_FUNCPTR (gst_gl_colorscale_gen_gl_resources); + filter_class->onStop = GST_DEBUG_FUNCPTR (gst_gl_colorscale_del_gl_resources); +#endif + filter_class->filter_texture = gst_gl_colorscale_filter_texture; } static void gst_gl_colorscale_init (GstGLColorscale * colorscale) { +#if GST_GL_HAVE_GLES2 + colorscale->shader = NULL; +#endif } static void @@ -123,6 +139,53 @@ gst_gl_colorscale_get_property (GObject * object, guint prop_id, } } +#if GST_GL_HAVE_GLES2 +static void +_compile_identity_shader (GstGLContext * context, GstGLColorscale * colorscale) +{ + GstGLFilter *filter = GST_GL_FILTER (colorscale); + + colorscale->shader = gst_gl_shader_new (context); + + if (!gst_gl_shader_compile_with_default_vf_and_check (colorscale->shader, + &filter->draw_attr_position_loc, &filter->draw_attr_texture_loc)) { + gst_gl_context_clear_shader (context); + gst_object_unref (colorscale->shader); + colorscale->shader = NULL; + } +} + +static gboolean +gst_gl_colorscale_gen_gl_resources (GstGLFilter * filter) +{ + GstGLColorscale *colorscale = GST_GL_COLORSCALE (filter); + + gst_gl_context_thread_add (filter->context, + (GstGLContextThreadFunc) _compile_identity_shader, colorscale); + + if (!colorscale->shader) { + gst_gl_context_set_error (filter->context, + "Failed to initialize identity shader"); + GST_ELEMENT_ERROR (colorscale, RESOURCE, NOT_FOUND, ("%s", + gst_gl_context_get_error ()), (NULL)); + return FALSE; + } + + return TRUE; +} + +static void +gst_gl_colorscale_del_gl_resources (GstGLFilter * filter) +{ + GstGLColorscale *colorscale = GST_GL_COLORSCALE (filter); + + if (colorscale->shader) { + gst_gl_context_del_shader (filter->context, colorscale->shader); + colorscale->shader = NULL; + } +} +#endif + static gboolean gst_gl_colorscale_filter_texture (GstGLFilter * filter, guint in_tex, guint out_tex) @@ -131,26 +194,33 @@ gst_gl_colorscale_filter_texture (GstGLFilter * filter, guint in_tex, colorscale = GST_GL_COLORSCALE (filter); +#if GST_GL_HAVE_GLES2 + gst_gl_filter_render_to_target_with_shader (filter, TRUE, in_tex, out_tex, + colorscale->shader); +#endif + +#if GST_GL_HAVE_OPENGL gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex, gst_gl_colorscale_callback, colorscale); +#endif return TRUE; } +#if GST_GL_HAVE_OPENGL static void gst_gl_colorscale_callback (gint width, gint height, guint texture, gpointer stuff) { GstGLFilter *filter = GST_GL_FILTER (stuff); -#if GST_GL_HAVE_OPENGL if (gst_gl_context_get_gl_api (filter->context) & GST_GL_API_OPENGL) { const GstGLFuncs *gl = filter->context->gl_vtable; gl->MatrixMode (GL_PROJECTION); gl->LoadIdentity (); } -#endif gst_gl_filter_draw_texture (filter, texture, width, height); } +#endif diff --git a/ext/gl/gstglcolorscale.h b/ext/gl/gstglcolorscale.h index 29e306e9af..101b905a82 100644 --- a/ext/gl/gstglcolorscale.h +++ b/ext/gl/gstglcolorscale.h @@ -42,6 +42,10 @@ typedef struct _GstGLColorscaleClass GstGLColorscaleClass; struct _GstGLColorscale { GstGLFilter filter; + +#if GST_GL_HAVE_GLES2 + GstGLShader *shader; +#endif }; struct _GstGLColorscaleClass