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radv: flush pending query reset caches before copying results

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From the Vulkan spec 1.1.108:
   "vkCmdCopyQueryPoolResults is guaranteed to see the effect of
    previous uses of vkCmdResetQueryPool in the same queue, without any
    additional synchronization."

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2019-05-24 10:10:08 +02:00
parent 91672becc3
commit 445098916a
1 changed files with 25 additions and 15 deletions
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40
src/amd/vulkan/radv_query.c
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@ -1272,6 +1272,21 @@ VkResult radv_GetQueryPoolResults(
return result;
}
static void emit_query_flush(struct radv_cmd_buffer *cmd_buffer,
struct radv_query_pool *pool)
{
if (cmd_buffer->pending_reset_query) {
if (pool->size >= RADV_BUFFER_OPS_CS_THRESHOLD) {
/* Only need to flush caches if the query pool size is
* large enough to be resetted using the compute shader
* path. Small pools don't need any cache flushes
* because we use a CP dma clear.
*/
si_emit_cache_flush(cmd_buffer);
}
}
}
void radv_CmdCopyQueryPoolResults(
VkCommandBuffer commandBuffer,
VkQueryPool queryPool,
@ -1294,6 +1309,16 @@ void radv_CmdCopyQueryPoolResults(
radv_cs_add_buffer(cmd_buffer->device->ws, cmd_buffer->cs, pool->bo);
radv_cs_add_buffer(cmd_buffer->device->ws, cmd_buffer->cs, dst_buffer->bo);
/* From the Vulkan spec 1.1.108:
*
* "vkCmdCopyQueryPoolResults is guaranteed to see the effect of
* previous uses of vkCmdResetQueryPool in the same queue, without any
* additional synchronization."
*
* So, we have to flush the caches if the compute shader path was used.
*/
emit_query_flush(cmd_buffer, pool);
switch (pool->type) {
case VK_QUERY_TYPE_OCCLUSION:
if (flags & VK_QUERY_RESULT_WAIT_BIT) {
@ -1475,21 +1500,6 @@ static unsigned event_type_for_stream(unsigned stream)
}
}
static void emit_query_flush(struct radv_cmd_buffer *cmd_buffer,
struct radv_query_pool *pool)
{
if (cmd_buffer->pending_reset_query) {
if (pool->size >= RADV_BUFFER_OPS_CS_THRESHOLD) {
/* Only need to flush caches if the query pool size is
* large enough to be resetted using the compute shader
* path. Small pools don't need any cache flushes
* because we use a CP dma clear.
*/
si_emit_cache_flush(cmd_buffer);
}
}
}
static void emit_begin_query(struct radv_cmd_buffer *cmd_buffer,
uint64_t va,
VkQueryType query_type,