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zink: skip buffer barriers if the buffer can be easily proved idle

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this should have no pending write hazards, which means this barrier
can just be used for tracking

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21583>
This commit is contained in:
Mike Blumenkrantz 2023-02-26 09:33:45 -05:00 • committed by Marge Bot
parent 0a7092b285
commit 8c226ba242
1 changed files with 6 additions and 4 deletions
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10
src/gallium/drivers/zink/zink_context.c
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@ -3875,14 +3875,15 @@ zink_resource_buffer_barrier(struct zink_context *ctx, struct zink_resource *res
if (!zink_resource_buffer_needs_barrier(res, flags, pipeline))
return;
if (res->obj->access) {
bool is_write = zink_resource_access_is_write(flags);
enum zink_resource_access rw = is_write ? ZINK_RESOURCE_ACCESS_RW : ZINK_RESOURCE_ACCESS_WRITE;
if (res->obj->access && !zink_resource_usage_check_completion_fast(zink_screen(ctx->base.screen), res, rw)) {
VkMemoryBarrier bmb;
bmb.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER;
bmb.pNext = NULL;
bmb.srcAccessMask = res->obj->access;
bmb.dstAccessMask = flags;
assert(res->obj->access_stage);
bool is_write = zink_resource_access_is_write(flags);
VkCommandBuffer cmdbuf = is_write ? zink_get_cmdbuf(ctx, NULL, res) : zink_get_cmdbuf(ctx, res, NULL);
bool marker = zink_cmd_debug_marker_begin(ctx, "buffer_barrier");
@ -3912,7 +3913,9 @@ zink_resource_buffer_barrier2(struct zink_context *ctx, struct zink_resource *re
if (!zink_resource_buffer_needs_barrier(res, flags, pipeline))
return;
if (res->obj->access) {
bool is_write = zink_resource_access_is_write(flags);
enum zink_resource_access rw = is_write ? ZINK_RESOURCE_ACCESS_RW : ZINK_RESOURCE_ACCESS_WRITE;
if (res->obj->access && !zink_resource_usage_check_completion_fast(zink_screen(ctx->base.screen), res, rw)) {
VkMemoryBarrier2 bmb;
bmb.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER_2;
bmb.pNext = NULL;
@ -3921,7 +3924,6 @@ zink_resource_buffer_barrier2(struct zink_context *ctx, struct zink_resource *re
bmb.dstStageMask = pipeline;
bmb.dstAccessMask = flags;
assert(res->obj->access_stage);
bool is_write = zink_resource_access_is_write(flags);
VkCommandBuffer cmdbuf = is_write ? zink_get_cmdbuf(ctx, NULL, res) : zink_get_cmdbuf(ctx, res, NULL);
VkDependencyInfo dep = {
VK_STRUCTURE_TYPE_DEPENDENCY_INFO,