[Mesa-dev] [PATCH] anv/cmd_buffer: Reuse gen8 Cmd{Set, Reset}Event on gen7

Jason Ekstrand jason at jlekstrand.net
Tue Jun 11 15:54:53 UTC 2019


On Mon, Jun 10, 2019 at 6:21 AM Ville Syrjala <ville.syrjala at linux.intel.com>
wrote:

> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Modern DXVK requires event support [1], but looks like it only
> uses vkCmdSetEvent() + vkGetEventStatus(). So we can just
> borrow the relevant code from gen8, leaving CmdWaitEvents still
> unimplemented.
>
> [1]
> https://github.com/doitsujin/dxvk/commit/8c3900c533d83d12c970b905183d17a1d3e8df1f
>
> v2: Also move CmdWaitEvents into genX_cmd_buffer.c (Jason)
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  src/intel/vulkan/gen7_cmd_buffer.c |  38 ----------
>  src/intel/vulkan/gen8_cmd_buffer.c | 102 ---------------------------
>  src/intel/vulkan/genX_cmd_buffer.c | 107 +++++++++++++++++++++++++++++
>  3 files changed, 107 insertions(+), 140 deletions(-)
>
> diff --git a/src/intel/vulkan/gen7_cmd_buffer.c
> b/src/intel/vulkan/gen7_cmd_buffer.c
> index 380283bdd563..115d12b35362 100644
> --- a/src/intel/vulkan/gen7_cmd_buffer.c
> +++ b/src/intel/vulkan/gen7_cmd_buffer.c
> @@ -286,41 +286,3 @@ genX(cmd_buffer_enable_pma_fix)(struct anv_cmd_buffer
> *cmd_buffer,
>  {
>     /* The NP PMA fix doesn't exist on gen7 */
>  }
> -
> -void genX(CmdSetEvent)(
> -    VkCommandBuffer                             commandBuffer,
> -    VkEvent                                     event,
> -    VkPipelineStageFlags                        stageMask)
> -{
> -   anv_finishme("Implement events on gen7");
> -}
> -
> -void genX(CmdResetEvent)(
> -    VkCommandBuffer                             commandBuffer,
> -    VkEvent                                     event,
> -    VkPipelineStageFlags                        stageMask)
> -{
> -   anv_finishme("Implement events on gen7");
> -}
> -
> -void genX(CmdWaitEvents)(
> -    VkCommandBuffer                             commandBuffer,
> -    uint32_t                                    eventCount,
> -    const VkEvent*                              pEvents,
> -    VkPipelineStageFlags                        srcStageMask,
> -    VkPipelineStageFlags                        destStageMask,
> -    uint32_t                                    memoryBarrierCount,
> -    const VkMemoryBarrier*                      pMemoryBarriers,
> -    uint32_t                                    bufferMemoryBarrierCount,
> -    const VkBufferMemoryBarrier*                pBufferMemoryBarriers,
> -    uint32_t                                    imageMemoryBarrierCount,
> -    const VkImageMemoryBarrier*                 pImageMemoryBarriers)
> -{
> -   anv_finishme("Implement events on gen7");
> -
> -   genX(CmdPipelineBarrier)(commandBuffer, srcStageMask, destStageMask,
> -                            false, /* byRegion */
> -                            memoryBarrierCount, pMemoryBarriers,
> -                            bufferMemoryBarrierCount,
> pBufferMemoryBarriers,
> -                            imageMemoryBarrierCount,
> pImageMemoryBarriers);
> -}
> diff --git a/src/intel/vulkan/gen8_cmd_buffer.c
> b/src/intel/vulkan/gen8_cmd_buffer.c
> index 6568d2c75113..2e6d9de9f4a8 100644
> --- a/src/intel/vulkan/gen8_cmd_buffer.c
> +++ b/src/intel/vulkan/gen8_cmd_buffer.c
> @@ -565,105 +565,3 @@ void genX(CmdBindIndexBuffer)(
>
>     cmd_buffer->state.gfx.dirty |= ANV_CMD_DIRTY_INDEX_BUFFER;
>  }
> -
> -/* Set of stage bits for which are pipelined, i.e. they get queued by the
> - * command streamer for later execution.
> - */
> -#define ANV_PIPELINE_STAGE_PIPELINED_BITS \
> -   (VK_PIPELINE_STAGE_VERTEX_INPUT_BIT | \
> -    VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | \
> -    VK_PIPELINE_STAGE_TESSELLATION_CONTROL_SHADER_BIT | \
> -    VK_PIPELINE_STAGE_TESSELLATION_EVALUATION_SHADER_BIT | \
> -    VK_PIPELINE_STAGE_GEOMETRY_SHADER_BIT | \
> -    VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | \
> -    VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | \
> -    VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT | \
> -    VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | \
> -    VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT | \
> -    VK_PIPELINE_STAGE_TRANSFER_BIT | \
> -    VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT | \
> -    VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT | \
> -    VK_PIPELINE_STAGE_ALL_COMMANDS_BIT)
> -
> -void genX(CmdSetEvent)(
> -    VkCommandBuffer                             commandBuffer,
> -    VkEvent                                     _event,
> -    VkPipelineStageFlags                        stageMask)
> -{
> -   ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> -   ANV_FROM_HANDLE(anv_event, event, _event);
> -
> -   anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
> -      if (stageMask & ANV_PIPELINE_STAGE_PIPELINED_BITS) {
> -         pc.StallAtPixelScoreboard = true;
> -         pc.CommandStreamerStallEnable = true;
> -      }
> -
> -      pc.DestinationAddressType  = DAT_PPGTT,
> -      pc.PostSyncOperation       = WriteImmediateData,
> -      pc.Address = (struct anv_address) {
> -         cmd_buffer->device->dynamic_state_pool.block_pool.bo,
> -         event->state.offset
> -      };
> -      pc.ImmediateData           = VK_EVENT_SET;
> -   }
> -}
> -
> -void genX(CmdResetEvent)(
> -    VkCommandBuffer                             commandBuffer,
> -    VkEvent                                     _event,
> -    VkPipelineStageFlags                        stageMask)
> -{
> -   ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> -   ANV_FROM_HANDLE(anv_event, event, _event);
> -
> -   anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
> -      if (stageMask & ANV_PIPELINE_STAGE_PIPELINED_BITS) {
> -         pc.StallAtPixelScoreboard = true;
> -         pc.CommandStreamerStallEnable = true;
> -      }
> -
> -      pc.DestinationAddressType  = DAT_PPGTT;
> -      pc.PostSyncOperation       = WriteImmediateData;
> -      pc.Address = (struct anv_address) {
> -         cmd_buffer->device->dynamic_state_pool.block_pool.bo,
> -         event->state.offset
> -      };
> -      pc.ImmediateData           = VK_EVENT_RESET;
> -   }
> -}
> -
> -void genX(CmdWaitEvents)(
> -    VkCommandBuffer                             commandBuffer,
> -    uint32_t                                    eventCount,
> -    const VkEvent*                              pEvents,
> -    VkPipelineStageFlags                        srcStageMask,
> -    VkPipelineStageFlags                        destStageMask,
> -    uint32_t                                    memoryBarrierCount,
> -    const VkMemoryBarrier*                      pMemoryBarriers,
> -    uint32_t                                    bufferMemoryBarrierCount,
> -    const VkBufferMemoryBarrier*                pBufferMemoryBarriers,
> -    uint32_t                                    imageMemoryBarrierCount,
> -    const VkImageMemoryBarrier*                 pImageMemoryBarriers)
> -{
> -   ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> -   for (uint32_t i = 0; i < eventCount; i++) {
> -      ANV_FROM_HANDLE(anv_event, event, pEvents[i]);
> -
> -      anv_batch_emit(&cmd_buffer->batch, GENX(MI_SEMAPHORE_WAIT), sem) {
> -         sem.WaitMode            = PollingMode,
> -         sem.CompareOperation    = COMPARE_SAD_EQUAL_SDD,
> -         sem.SemaphoreDataDword  = VK_EVENT_SET,
> -         sem.SemaphoreAddress = (struct anv_address) {
> -            cmd_buffer->device->dynamic_state_pool.block_pool.bo,
> -            event->state.offset
> -         };
> -      }
> -   }
> -
> -   genX(CmdPipelineBarrier)(commandBuffer, srcStageMask, destStageMask,
> -                            false, /* byRegion */
> -                            memoryBarrierCount, pMemoryBarriers,
> -                            bufferMemoryBarrierCount,
> pBufferMemoryBarriers,
> -                            imageMemoryBarrierCount,
> pImageMemoryBarriers);
> -}
> diff --git a/src/intel/vulkan/genX_cmd_buffer.c
> b/src/intel/vulkan/genX_cmd_buffer.c
> index f171d02dab72..c57c02a08da7 100644
> --- a/src/intel/vulkan/genX_cmd_buffer.c
> +++ b/src/intel/vulkan/genX_cmd_buffer.c
> @@ -4729,3 +4729,110 @@ void genX(CmdEndConditionalRenderingEXT)(
>     cmd_state->conditional_render_enabled = false;
>  }
>  #endif
> +
> +/* Set of stage bits for which are pipelined, i.e. they get queued by the
> + * command streamer for later execution.
> + */
> +#define ANV_PIPELINE_STAGE_PIPELINED_BITS \
> +   (VK_PIPELINE_STAGE_VERTEX_INPUT_BIT | \
> +    VK_PIPELINE_STAGE_VERTEX_SHADER_BIT | \
> +    VK_PIPELINE_STAGE_TESSELLATION_CONTROL_SHADER_BIT | \
> +    VK_PIPELINE_STAGE_TESSELLATION_EVALUATION_SHADER_BIT | \
> +    VK_PIPELINE_STAGE_GEOMETRY_SHADER_BIT | \
> +    VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | \
> +    VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | \
> +    VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT | \
> +    VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | \
> +    VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT | \
> +    VK_PIPELINE_STAGE_TRANSFER_BIT | \
> +    VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT | \
> +    VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT | \
> +    VK_PIPELINE_STAGE_ALL_COMMANDS_BIT)
> +
> +void genX(CmdSetEvent)(
> +    VkCommandBuffer                             commandBuffer,
> +    VkEvent                                     _event,
> +    VkPipelineStageFlags                        stageMask)
> +{
> +   ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> +   ANV_FROM_HANDLE(anv_event, event, _event);
> +
> +   anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
> +      if (stageMask & ANV_PIPELINE_STAGE_PIPELINED_BITS) {
> +         pc.StallAtPixelScoreboard = true;
> +         pc.CommandStreamerStallEnable = true;
> +      }
> +
> +      pc.DestinationAddressType  = DAT_PPGTT,
> +      pc.PostSyncOperation       = WriteImmediateData,
> +      pc.Address = (struct anv_address) {
> +         cmd_buffer->device->dynamic_state_pool.block_pool.bo,
> +         event->state.offset
> +      };
> +      pc.ImmediateData           = VK_EVENT_SET;
> +   }
> +}
> +
> +void genX(CmdResetEvent)(
> +    VkCommandBuffer                             commandBuffer,
> +    VkEvent                                     _event,
> +    VkPipelineStageFlags                        stageMask)
> +{
> +   ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> +   ANV_FROM_HANDLE(anv_event, event, _event);
> +
> +   anv_batch_emit(&cmd_buffer->batch, GENX(PIPE_CONTROL), pc) {
> +      if (stageMask & ANV_PIPELINE_STAGE_PIPELINED_BITS) {
> +         pc.StallAtPixelScoreboard = true;
> +         pc.CommandStreamerStallEnable = true;
> +      }
> +
> +      pc.DestinationAddressType  = DAT_PPGTT;
> +      pc.PostSyncOperation       = WriteImmediateData;
> +      pc.Address = (struct anv_address) {
> +         cmd_buffer->device->dynamic_state_pool.block_pool.bo,
> +         event->state.offset
> +      };
> +      pc.ImmediateData           = VK_EVENT_RESET;
> +   }
> +}
> +
> +void genX(CmdWaitEvents)(
> +    VkCommandBuffer                             commandBuffer,
> +    uint32_t                                    eventCount,
> +    const VkEvent*                              pEvents,
> +    VkPipelineStageFlags                        srcStageMask,
> +    VkPipelineStageFlags                        destStageMask,
> +    uint32_t                                    memoryBarrierCount,
> +    const VkMemoryBarrier*                      pMemoryBarriers,
> +    uint32_t                                    bufferMemoryBarrierCount,
> +    const VkBufferMemoryBarrier*                pBufferMemoryBarriers,
> +    uint32_t                                    imageMemoryBarrierCount,
> +    const VkImageMemoryBarrier*                 pImageMemoryBarriers)
> +{
> +#if GEN_GEN >= 8
> +   ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
> +
> +   for (uint32_t i = 0; i < eventCount; i++) {
> +      ANV_FROM_HANDLE(anv_event, event, pEvents[i]);
> +
> +      anv_batch_emit(&cmd_buffer->batch, GENX(MI_SEMAPHORE_WAIT), sem) {
> +         sem.WaitMode            = PollingMode,
> +         sem.CompareOperation    = COMPARE_SAD_EQUAL_SDD,
> +         sem.SemaphoreDataDword  = VK_EVENT_SET,
> +         sem.SemaphoreAddress = (struct anv_address) {
> +            cmd_buffer->device->dynamic_state_pool.block_pool.bo,
> +            event->state.offset
> +         };
> +      }
> +   }
> +#else
> +   anv_finishme("Implement events on gen7");
>

Maybe change this to "implement event GPU waits on host signals on gen7" to
be more specific.  Assuming you did your copy+paste correctly,

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>


> +#endif
> +
> +   genX(CmdPipelineBarrier)(commandBuffer, srcStageMask, destStageMask,
> +                            false, /* byRegion */
> +                            memoryBarrierCount, pMemoryBarriers,
> +                            bufferMemoryBarrierCount,
> pBufferMemoryBarriers,
> +                            imageMemoryBarrierCount,
> pImageMemoryBarriers);
> +}
> --
> 2.21.0
>
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