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glfilterapp: port to gles2 and gl3

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This commit is contained in:
Matthew Waters 2014-11-17 18:06:20 +11:00
parent 1331cbc54e
commit 18ae2d35e9
2 changed files with 40 additions and 16 deletions
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39
ext/gl/gstglfilterapp.c
View file

@ -161,23 +161,42 @@ _emit_draw_signal (guint tex, gint width, gint height, gpointer data)
app_filter->default_draw = !drawn;
}
struct glcb2
{
GLCB func;
gpointer data;
guint texture;
guint width;
guint height;
};
/* convenience functions to simplify filter development */
static void
_glcb2 (gpointer data)
{
struct glcb2 *cb = data;
cb->func (cb->width, cb->height, cb->texture, cb->data);
}
static gboolean
gst_gl_filter_app_filter_texture (GstGLFilter * filter, guint in_tex,
guint out_tex)
{
GstGLFilterApp *app_filter = GST_GL_FILTER_APP (filter);
struct glcb2 cb;
cb.func = (GLCB) _emit_draw_signal;
cb.data = filter;
cb.texture = in_tex;
cb.width = GST_VIDEO_INFO_WIDTH (&filter->in_info);
cb.height = GST_VIDEO_INFO_HEIGHT (&filter->in_info);
//blocking call, use a FBO
gst_gl_context_use_fbo (filter->context,
gst_gl_context_use_fbo_v2 (filter->context,
GST_VIDEO_INFO_WIDTH (&filter->out_info),
GST_VIDEO_INFO_HEIGHT (&filter->out_info),
filter->fbo, filter->depthbuffer, out_tex, (GLCB) _emit_draw_signal,
GST_VIDEO_INFO_WIDTH (&filter->in_info),
GST_VIDEO_INFO_HEIGHT (&filter->in_info),
in_tex, 45,
(gfloat) GST_VIDEO_INFO_WIDTH (&filter->out_info) /
(gfloat) GST_VIDEO_INFO_HEIGHT (&filter->out_info),
0.1, 100, GST_GL_DISPLAY_PROJECTION_PERSPECTIVE, filter);
filter->fbo, filter->depthbuffer, out_tex, _glcb2, &cb);
if (app_filter->default_draw) {
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
@ -195,8 +214,12 @@ gst_gl_filter_app_callback (gint width, gint height, guint texture,
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = filter->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (gst_gl_context_get_gl_api (filter->context) & GST_GL_API_OPENGL) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_filter_draw_texture (filter, texture, width, height);
}

13
ext/gl/gstopengl.c
View file

@ -50,6 +50,7 @@
#include "gstglcolorscale.h"
#include "gstglvideomixer.h"
#include "gstglfiltershader.h"
#include "gstglfilterapp.h"
#if HAVE_GRAPHENE
#include "gstgltransformation.h"
#endif
@ -63,7 +64,6 @@
#include "gstgltestsrc.h"
#include "gstglfilterlaplacian.h"
#include "gstglfilterglass.h"
#include "gstglfilterapp.h"
#include "gstglfilterblur.h"
#include "gstglfilterreflectedscreen.h"
#include "gstglfiltersobel.h"
@ -131,10 +131,16 @@ plugin_init (GstPlugin * plugin)
GST_RANK_NONE, GST_TYPE_GL_VIDEO_MIXER)) {
return FALSE;
}
if (!gst_element_register (plugin, "glshader",
GST_RANK_NONE, gst_gl_filtershader_get_type ())) {
return FALSE;
}
if (!gst_element_register (plugin, "glfilterapp",
GST_RANK_NONE, GST_TYPE_GL_FILTER_APP)) {
return FALSE;
}
#if HAVE_JPEG
#if HAVE_PNG
if (!gst_element_register (plugin, "gloverlay",
@ -169,11 +175,6 @@ plugin_init (GstPlugin * plugin)
return FALSE;
}
if (!gst_element_register (plugin, "glfilterapp",
GST_RANK_NONE, GST_TYPE_GL_FILTER_APP)) {
return FALSE;
}
if (!gst_element_register (plugin, "glfilterreflectedscreen",
GST_RANK_NONE, GST_TYPE_GL_FILTER_REFLECTED_SCREEN)) {
return FALSE;