Re: [Mesa-dev] [PATCH] radv: optimize radv_stage_flush() for pre fragment shader stages

2018-07-17 Thread Bas Nieuwenhuizen
Reviewed-by: Bas Nieuwenhuizen 

On Tue, Jul 17, 2018 at 5:03 PM, Samuel Pitoiset
 wrote:
> We don't need to emit PS_PARTIAL_FLUSH for the pre fragment shader
> stages (ie. geometry/tessellation). Emitting VS_PARTIAL_FLUSH
> is enough for these stages. Note that PS_PARTIAL_FLUSH also
> synchronizes all vertex stages.
>
> Signed-off-by: Samuel Pitoiset 
> ---
>  src/amd/vulkan/radv_cmd_buffer.c | 10 +-
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/src/amd/vulkan/radv_cmd_buffer.c 
> b/src/amd/vulkan/radv_cmd_buffer.c
> index 3646c1ae89..041ebf0ca3 100644
> --- a/src/amd/vulkan/radv_cmd_buffer.c
> +++ b/src/amd/vulkan/radv_cmd_buffer.c
> @@ -1942,10 +1942,7 @@ static void radv_stage_flush(struct radv_cmd_buffer 
> *cmd_buffer,
> cmd_buffer->state.flush_bits |= 
> RADV_CMD_FLAG_CS_PARTIAL_FLUSH;
> }
>
> -   if (src_stage_mask & 
> (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 |
> +   if (src_stage_mask & (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 |
> @@ -1956,7 +1953,10 @@ static void radv_stage_flush(struct radv_cmd_buffer 
> *cmd_buffer,
> cmd_buffer->state.flush_bits |= 
> RADV_CMD_FLAG_PS_PARTIAL_FLUSH;
> } else if (src_stage_mask & (VK_PIPELINE_STAGE_DRAW_INDIRECT_BIT |
>  VK_PIPELINE_STAGE_VERTEX_INPUT_BIT |
> -VK_PIPELINE_STAGE_VERTEX_SHADER_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)) {
> cmd_buffer->state.flush_bits |= 
> RADV_CMD_FLAG_VS_PARTIAL_FLUSH;
> }
>  }
> --
> 2.18.0
>
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[Mesa-dev] [PATCH] radv: optimize radv_stage_flush() for pre fragment shader stages

2018-07-17 Thread Samuel Pitoiset
We don't need to emit PS_PARTIAL_FLUSH for the pre fragment shader
stages (ie. geometry/tessellation). Emitting VS_PARTIAL_FLUSH
is enough for these stages. Note that PS_PARTIAL_FLUSH also
synchronizes all vertex stages.

Signed-off-by: Samuel Pitoiset 
---
 src/amd/vulkan/radv_cmd_buffer.c | 10 +-
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 3646c1ae89..041ebf0ca3 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -1942,10 +1942,7 @@ static void radv_stage_flush(struct radv_cmd_buffer 
*cmd_buffer,
cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_CS_PARTIAL_FLUSH;
}
 
-   if (src_stage_mask & (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 |
+   if (src_stage_mask & (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 |
@@ -1956,7 +1953,10 @@ static void radv_stage_flush(struct radv_cmd_buffer 
*cmd_buffer,
cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_PS_PARTIAL_FLUSH;
} else if (src_stage_mask & (VK_PIPELINE_STAGE_DRAW_INDIRECT_BIT |
 VK_PIPELINE_STAGE_VERTEX_INPUT_BIT |
-VK_PIPELINE_STAGE_VERTEX_SHADER_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)) {
cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_VS_PARTIAL_FLUSH;
}
 }
-- 
2.18.0

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