Fixes piglit EXT_texture_integer/fbo-blending.
---
src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index ed8cc01..c6c8b08 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -563,6 +563,17 @@ brw_render_target_supported(struct intel_context *intel,
struct brw_context *brw = brw_context(&intel->ctx);
gl_format format = rb->Format;
+ /* Many integer formats are promoted to RGBA (like XRGB8888 is), which means
+ * we would consider them renderable even though we don't have surface
+ * support for their alpha behavior and don't have the blending unit
+ * available to fake it like we do for XRGB8888. Force them to being
+ * unsupported.
+ */
+ if ((rb->_BaseFormat != GL_RGBA &&
+ rb->_BaseFormat != GL_RG &&
+ rb->_BaseFormat != GL_RED) && _mesa_is_format_integer_color(format))
+ return false;
+
return brw->format_supported_as_render_target[format];
}
--
1.7.7.3
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
