Mesa (vulkan): anv/gen7_pipeline: Set WriteDisable = true if we have no color attachments

[Jason Ekstrand]

Module: Mesa
Branch: vulkan
Commit: 7c26d8d47174b19d91651c5eff3be9e71a004b24
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7c26d8d47174b19d91651c5eff3be9e71a004b24

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Wed Feb 17 12:05:03 2016 -0800

anv/gen7_pipeline: Set WriteDisable = true if we have no color attachments

---

 src/vulkan/gen7_pipeline.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/vulkan/gen7_pipeline.c b/src/vulkan/gen7_pipeline.c
index e329c8f..c4f7a36 100644
--- a/src/vulkan/gen7_pipeline.c
+++ b/src/vulkan/gen7_pipeline.c
@@ -113,15 +113,15 @@ gen7_emit_cb_state(struct anv_pipeline *pipeline,
 {
    struct anv_device *device = pipeline->device;
 
-   if (info->pAttachments == NULL) {
+   if (info == NULL || info->attachmentCount == 0) {
       pipeline->blend_state =
          anv_state_pool_emit(&device->dynamic_state_pool,
             GEN7_BLEND_STATE, 64,
             .ColorBufferBlendEnable = false,
-            .WriteDisableAlpha = false,
-            .WriteDisableRed = false,
-            .WriteDisableGreen = false,
-            .WriteDisableBlue = false);
+            .WriteDisableAlpha = true,
+            .WriteDisableRed = true,
+            .WriteDisableGreen = true,
+            .WriteDisableBlue = true);
    } else {
       /* FIXME-GEN7: All render targets share blend state settings on gen7, we
        * can't implement this.