commit 8802fe7b60e3442f1401dd207d840d558309b523 (HEAD, my_fixes)
Author: Jacek Konieczny <jajcus@jajcus.net>
Date:   Thu Apr 14 17:51:47 2016 +0200

    anv: do not flush push constants on inactive stages
    
    This was causing crashes in The Talos Principle, on a pipeline without
    a fragment shader stage.
    
    Signed-off-by: Jacek Konieczny <jajcus@jajcus.net>

diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index d642832..a604e89 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -283,7 +283,7 @@ cmd_buffer_flush_push_constants(struct anv_cmd_buffer *cmd_buffer)
 
    VkShaderStageFlags flushed = 0;
 
-   anv_foreach_stage(stage, cmd_buffer->state.push_constants_dirty) {
+   anv_foreach_stage(stage, cmd_buffer->state.push_constants_dirty & cmd_buffer->state.pipeline->active_stages) {
       if (stage == MESA_SHADER_COMPUTE)
          continue;