hasvk: pipelineStageCreationFeedbackCount is allowed to be 0

Fixes: 6601e5d6fc6 ("anv: implement VK_EXT_pipeline_creation_feedback")

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20216>

diff --git a/src/intel/vulkan_hasvk/anv_pipeline.c b/src/intel/vulkan_hasvk/anv_pipeline.c
index 66d8d77..778ee0f 100644 (file)
--- a/src/intel/vulkan_hasvk/anv_pipeline.c
+++ b/src/intel/vulkan_hasvk/anv_pipeline.c
@@ -1438,8 +1438,9 @@ done:
    if (create_feedback) {
       *create_feedback->pPipelineCreationFeedback = pipeline_feedback;
 
-      assert(info->stageCount == create_feedback->pipelineStageCreationFeedbackCount);
-      for (uint32_t i = 0; i < info->stageCount; i++) {
+      uint32_t stage_count = create_feedback->pipelineStageCreationFeedbackCount;
+      assert(stage_count == 0 || info->stageCount == stage_count);
+      for (uint32_t i = 0; i < stage_count; i++) {
          gl_shader_stage s = vk_to_mesa_shader_stage(info->pStages[i].stage);
          create_feedback->pPipelineStageCreationFeedbacks[i] = stages[s].feedback;
       }
@@ -1614,8 +1615,10 @@ anv_pipeline_compile_cs(struct anv_compute_pipeline *pipeline,
    if (create_feedback) {
       *create_feedback->pPipelineCreationFeedback = pipeline_feedback;
 
-      assert(create_feedback->pipelineStageCreationFeedbackCount == 1);
-      create_feedback->pPipelineStageCreationFeedbacks[0] = stage.feedback;
+      if (create_feedback->pipelineStageCreationFeedbackCount) {
+         assert(create_feedback->pipelineStageCreationFeedbackCount == 1);
+         create_feedback->pPipelineStageCreationFeedbacks[0] = stage.feedback;
+      }
    }
 
    pipeline->cs = bin;