mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-17 19:55:32 +00:00
Code Issues 1 Projects Releases Wiki Activity

glcolorconvert: convert xRGB into ARGB properly

Browse source 
The alpha channel might not be the last component so check which one
it is in and clobber that one instead.
This commit is contained in:
Matthew Waters 2014-09-30 14:46:14 +10:00 committed by Tim-Philipp Müller
parent 652753de18
commit e6bd70d580
1 changed files with 11 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
gst-libs/gst/gl/gstglcolorconvert.c
View file

@ -673,8 +673,17 @@ _RGB_to_RGB (GstGLColorConvert * convert)
info->in_n_textures = 1;
info->out_n_textures = 1;
if (_is_RGBx (in_format))
alpha = g_strdup_printf ("t.%c = 1.0;", pixel_order[3]);
if (_is_RGBx (in_format)) {
int i;
char input_alpha_channel = 'a';
for (i = 0; i < GST_VIDEO_MAX_PLANES; i++) {
if (in_format_str[i] == 'X' || in_format_str[i] == 'x') {
input_alpha_channel = _index_to_shader_swizzle (i);
break;
}
}
alpha = g_strdup_printf ("t.%c = 1.0;", input_alpha_channel);
}
info->frag_prog = g_strdup_printf (frag_REORDER, alpha ? alpha : "",
pixel_order[0], pixel_order[1], pixel_order[2], pixel_order[3]);
info->shader_tex_names[0] = "tex";