From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Mon, 15 Feb 2016 20:44:39 +0000 (-0800)
Subject: anv/meta_resolve: Set origin_upper_left on gl_FragCoord
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=08ecd8a8d1a2ffc4376615a6ded69ac89bad8d81;p=mesa.git

anv/meta_resolve: Set origin_upper_left on gl_FragCoord

It's required by the spec and any shaders that don't set it will be broken.
I'm not really sure how multisampling was even working before...
---

diff --git a/src/vulkan/anv_meta_resolve.c b/src/vulkan/anv_meta_resolve.c
index 5aa2fef76bd..ae53292bde8 100644
--- a/src/vulkan/anv_meta_resolve.c
+++ b/src/vulkan/anv_meta_resolve.c
@@ -134,6 +134,7 @@ build_nir_fs(uint32_t num_samples)
    v_position = nir_variable_create(b.shader, nir_var_shader_in, vec4,
                                      "v_position");
    v_position->data.location = VARYING_SLOT_POS;
+   v_position->data.origin_upper_left = true;
 
    v_tex_position = nir_variable_create(b.shader, nir_var_shader_in, vec4,
                                     "v_tex_position");