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[662/906] laplacian: port to non-glew

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This commit is contained in:
Matthew Waters 2013-01-31 23:46:37 +11:00
parent 753dfca775
commit d255b55115
1 changed files with 9 additions and 16 deletions
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25
gst/gl/gstglfilterlaplacian.c
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@ -189,33 +189,26 @@ static void
gst_gl_filter_laplacian_callback (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLFilterLaplacian *laplacian_filter = GST_GL_FILTER_LAPLACIAN (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFilterLaplacian *laplacian_filter = GST_GL_FILTER_LAPLACIAN (filter);
GstGLFuncs *gl = filter->display->gl_vtable;
gfloat kernel[9] = { 0.0, -1.0, 0.0,
-1.0, 4.0, -1.0,
0.0, -1.0, 0.0
};
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
gst_gl_shader_use (laplacian_filter->shader);
glActiveTexture (GL_TEXTURE0);
glEnable (GL_TEXTURE_RECTANGLE_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gl->ActiveTexture (GL_TEXTURE0);
gl->Enable (GL_TEXTURE_RECTANGLE_ARB);
gl->BindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gst_gl_shader_set_uniform_1i (laplacian_filter->shader, "tex", 0);
gst_gl_shader_set_uniform_1fv (laplacian_filter->shader, "kernel", 9, kernel);
glBegin (GL_QUADS);
glTexCoord2i (0, 0);
glVertex2f (-1.0f, -1.0f);
glTexCoord2i (width, 0);
glVertex2f (1.0f, -1.0f);
glTexCoord2i (width, height);
glVertex2f (1.0f, 1.0f);
glTexCoord2i (0, height);
glVertex2f (-1.0f, 1.0f);
glEnd ();
gst_gl_filter_draw_texture (filter, texture, width, height);
}