From 2c6e8bab1bb4831cc76d711ce623c143878f4394 Mon Sep 17 00:00:00 2001
From: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Date: Thu, 12 Aug 2021 08:58:03 +0200
Subject: [PATCH] vbo/dlist: don't store prim_store
MIME-Version: 1.0
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This is not used anywhere, so we can drop it from vbo_save_context.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12646>
---
 src/mesa/main/dlist.c       | 5 -----
 src/mesa/vbo/vbo_save.c     | 8 +++-----
 src/mesa/vbo/vbo_save.h     | 3 ---
 src/mesa/vbo/vbo_save_api.c | 9 ++-------
 4 files changed, 5 insertions(+), 20 deletions(-)

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 71daa7775de..85142997482 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -797,11 +797,6 @@ vbo_destroy_vertex_list(struct gl_context *ctx, struct vbo_save_vertex_list *nod
    for (gl_vertex_processing_mode vpm = VP_MODE_FF; vpm < VP_MODE_MAX; ++vpm)
       _mesa_reference_vao(ctx, &node->VAO[vpm], NULL);
 
-   if (--node->cold->prim_store->refcount == 0) {
-      free(node->cold->prim_store->prims);
-      free(node->cold->prim_store);
-   }
-
    if (node->merged.mode) {
       free(node->merged.mode);
       free(node->merged.start_counts);
diff --git a/src/mesa/vbo/vbo_save.c b/src/mesa/vbo/vbo_save.c
index 6a045c67eb9..bf8e0cb7aaf 100644
--- a/src/mesa/vbo/vbo_save.c
+++ b/src/mesa/vbo/vbo_save.c
@@ -60,11 +60,9 @@ void vbo_save_destroy( struct gl_context *ctx )
       _mesa_reference_vao(ctx, &save->VAO[vpm], NULL);
 
    if (save->prim_store) {
-      if ( --save->prim_store->refcount == 0 ) {
-         free(save->prim_store->prims);
-         free(save->prim_store);
-         save->prim_store = NULL;
-      }
+      free(save->prim_store->prims);
+      free(save->prim_store);
+      save->prim_store = NULL;
    }
    if (save->vertex_store) {
       free(save->vertex_store->buffer_in_ram);
diff --git a/src/mesa/vbo/vbo_save.h b/src/mesa/vbo/vbo_save.h
index 19c78e875c5..e53ba2c3e03 100644
--- a/src/mesa/vbo/vbo_save.h
+++ b/src/mesa/vbo/vbo_save.h
@@ -82,8 +82,6 @@ struct vbo_save_vertex_list {
       struct _mesa_prim *prims;
       GLuint prim_count;
       GLuint min_index, max_index;
-
-      struct vbo_save_primitive_store *prim_store;
    } *cold;
 };
 
@@ -160,7 +158,6 @@ struct vbo_save_primitive_store {
    struct _mesa_prim *prims;
    GLuint used;
    GLuint size;
-   GLuint refcount;
 };
 
 
diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c
index 01f54983349..e57d196c7c1 100644
--- a/src/mesa/vbo/vbo_save_api.c
+++ b/src/mesa/vbo/vbo_save_api.c
@@ -177,7 +177,6 @@ alloc_prim_store(int prim_count)
    store->size = MAX2(prim_count, VBO_SAVE_PRIM_SIZE);
    store->prims = calloc(store->size, sizeof(struct _mesa_prim));
    store->used = 0;
-   store->refcount = 1;
    return store;
 }
 
@@ -423,10 +422,8 @@ realloc_storage(struct gl_context *ctx, int prim_count, int vertex_count)
    }
 
    if (prim_count >= 0) {
-      if (--save->prim_store->refcount == 0) {
-         free(save->prim_store->prims);
-         free(save->prim_store);
-      }
+      free(save->prim_store->prims);
+      free(save->prim_store);
       save->prim_store = alloc_prim_store(prim_count);
    }
 }
@@ -537,8 +534,6 @@ compile_vertex_list(struct gl_context *ctx)
    node->cold->prims = save->prims;
    node->cold->ib.obj = NULL;
    node->cold->prim_count = save->prim_count;
-   node->cold->prim_store = save->prim_store;
-   node->cold->prim_store->refcount++;
 
    if (save->no_current_update) {
       node->cold->current_data = NULL;