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[656/906] bumper: use DrawElements for semi-compatability with ES

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also GL_QUADS isn't available with ES contexts
This commit is contained in:
Matthew Waters 2013-01-31 23:29:13 +11:00
parent 3d75c3d5af
commit b97fb42b30
1 changed files with 17 additions and 2 deletions
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19
gst/gl/gstglbumper.c
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@ -438,6 +438,22 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
/*t*/ {-1.0, -1.0, 1.0, 0.0, -1.0, 0.0, i_w, i_h, b_w, b_h, 0.0, 0.0, -1.0},
{-1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 0.0, i_h, 0.0, b_h, 0.0, 0.0, -1.0},
};
GLushort indices[] = {
0, 1, 2,
0, 2, 3,
4, 5, 6,
4, 6, 7,
8, 9, 10,
8, 10, 11,
12, 13, 14,
12, 14, 15,
16, 17, 18,
16, 18, 19,
20, 21, 22,
20, 22, 23
};
/* *INDENT-ON* */
gl = GST_GL_FILTER (bumper)->display->gl_vtable;
@ -491,7 +507,6 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gl->EnableClientState (GL_VERTEX_ARRAY);
gl->EnableClientState (GL_NORMAL_ARRAY);
gl->VertexAttribPointer (locTangent, 3, GL_FLOAT, 0, sizeof (MeshData),
&mesh[0].va0);
gl->VertexPointer (3, GL_FLOAT, sizeof (MeshData), &mesh[0].x);
@ -502,7 +517,7 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gl->EnableClientState (GL_TEXTURE_COORD_ARRAY);
gl->TexCoordPointer (2, GL_FLOAT, sizeof (MeshData), &mesh[0].s1);
gl->DrawArrays (GL_QUADS, 0, 24);
gl->DrawElements (GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, indices);
gl->DisableClientState (GL_VERTEX_ARRAY);
gl->DisableClientState (GL_TEXTURE_COORD_ARRAY);