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-rw-r--r--libweston/gl-renderer.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c
index 6fd3641f..8726c340 100644
--- a/libweston/gl-renderer.c
+++ b/libweston/gl-renderer.c
@@ -1388,6 +1388,18 @@ gl_renderer_read_pixels(struct weston_output *output,
return 0;
}
+static GLenum gl_format_from_internal(GLenum internal_format)
+{
+ switch (internal_format) {
+ case GL_R8_EXT:
+ return GL_RED_EXT;
+ case GL_RG8_EXT:
+ return GL_RG_EXT;
+ default:
+ return internal_format;
+ }
+}
+
static void
gl_renderer_flush_damage(struct weston_surface *surface)
{
@@ -1436,7 +1448,7 @@ gl_renderer_flush_damage(struct weston_surface *surface)
gs->pitch / gs->hsub[j],
buffer->height / gs->vsub[j],
0,
- gs->gl_format[j],
+ gl_format_from_internal(gs->gl_format[j]),
gs->gl_pixel_type,
data + gs->offset[j]);
}
@@ -1458,7 +1470,7 @@ gl_renderer_flush_damage(struct weston_surface *surface)
gs->pitch / gs->hsub[j],
buffer->height / gs->vsub[j],
0,
- gs->gl_format[j],
+ gl_format_from_internal(gs->gl_format[j]),
gs->gl_pixel_type,
data + gs->offset[j]);
}
@@ -1486,7 +1498,7 @@ gl_renderer_flush_damage(struct weston_surface *surface)
r.y1 / gs->vsub[j],
(r.x2 - r.x1) / gs->hsub[j],
(r.y2 - r.y1) / gs->vsub[j],
- gs->gl_format[j],
+ gl_format_from_internal(gs->gl_format[j]),
gs->gl_pixel_type,
data + gs->offset[j]);
}