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gl-renderer: use correct pixel shader for NV12 format uploaded to RG texture 

Signed-off-by: Arnaud Vrac <rawoul@gmail.com>
Fixes: 00a03d2f72 ("gl-renderer: add support of WL_SHM_FORMAT_NV12")
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Arnaud Vrac 2017-11-29 15:25:35 +01:00 committed by Daniel Stone
parent 49a8d9997b
commit 340d25b76f
1 changed files with 2 additions and 1 deletions
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3
libweston/gl-renderer.c
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@ -1597,7 +1597,6 @@ gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer,
}
break;
case WL_SHM_FORMAT_NV12:
gs->shader = &gr->texture_shader_y_xuxv;
pitch = wl_shm_buffer_get_stride(shm_buffer);
gl_pixel_type = GL_UNSIGNED_BYTE;
num_planes = 2;
@ -1606,9 +1605,11 @@ gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer,
gs->hsub[1] = 2;
gs->vsub[1] = 2;
if (gr->has_gl_texture_rg) {
gs->shader = &gr->texture_shader_y_uv;
gl_format[0] = GL_R8_EXT;
gl_format[1] = GL_RG8_EXT;
} else {
gs->shader = &gr->texture_shader_y_xuxv;
gl_format[0] = GL_LUMINANCE;
gl_format[1] = GL_LUMINANCE_ALPHA;
}