anv: Add new debug flag to show shader stage

Add debug option to show current shader type being
compiled within anv_shader_bin_create.

Signed-off-by: Michael Cheng <michael.cheng@intel.com>
Reviewed-by: Casey Bowman <casey.g.bowman@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34596>

src/intel/dev/intel_debug.c

@@ -119,6 +119,7 @@ static const struct debug_control debug_control[] = {
    { "cl-quiet",     DEBUG_CL_QUIET },
    { "no-send-gather", DEBUG_NO_SEND_GATHER },
    { "shaders-lineno", DEBUG_SHADERS_LINENO },
+   { "show_shader_stage", DEBUG_SHOW_SHADER_STAGE },
    { NULL, 0 }
 };
 uint64_t intel_simd = 0;

src/intel/dev/intel_debug.h

@@ -113,6 +113,7 @@ enum intel_debug_flag {
    DEBUG_NO_SEND_GATHER,
    DEBUG_RT_NO_TRACE,
    DEBUG_SHADERS_LINENO,
+   DEBUG_SHOW_SHADER_STAGE,
 };
 
 

src/intel/vulkan/anv_pipeline_cache.c

@@ -250,6 +250,8 @@ anv_shader_bin_create(struct anv_device *device,
                                  &anv_shader_bin_ops, obj_key_data, key_size);
 
    shader->stage = stage;
+   if(INTEL_DEBUG(DEBUG_SHOW_SHADER_STAGE))
+      fprintf(stderr, "Stage: %s\n", gl_shader_stage_name(shader->stage));
 
    shader->kernel =
       anv_state_pool_alloc(&device->instruction_state_pool, kernel_size, 64);