Mesa (master): radv: do not resolve all image layers with compute inside a subpass
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Tue Jun 11 06:04:35 UTC 2019
Module: Mesa
Branch: master
Commit: 92fa6264cb19b61c7aaaf9c36625f5b7312d4527
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=92fa6264cb19b61c7aaaf9c36625f5b7312d4527
Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date: Mon Jun 10 17:45:29 2019 +0200
radv: do not resolve all image layers with compute inside a subpass
When resolving inside a subpass, we should rely on the framebuffer
layer count instead of resolving all images layers. This should
improve performance of layered resolves a bit.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-By: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
---
src/amd/vulkan/radv_meta_resolve_cs.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/amd/vulkan/radv_meta_resolve_cs.c b/src/amd/vulkan/radv_meta_resolve_cs.c
index b6c9e1c2b1f..fc4bcf27bb9 100644
--- a/src/amd/vulkan/radv_meta_resolve_cs.c
+++ b/src/amd/vulkan/radv_meta_resolve_cs.c
@@ -508,6 +508,10 @@ radv_cmd_buffer_resolve_subpass_cs(struct radv_cmd_buffer *cmd_buffer)
struct radv_framebuffer *fb = cmd_buffer->state.framebuffer;
const struct radv_subpass *subpass = cmd_buffer->state.subpass;
struct radv_subpass_barrier barrier;
+ uint32_t layer_count = fb->layers;
+
+ if (subpass->view_mask)
+ layer_count = util_last_bit(subpass->view_mask);
/* Resolves happen before the end-of-subpass barriers get executed, so
* we have to make the attachment shader-readable.
@@ -531,14 +535,14 @@ radv_cmd_buffer_resolve_subpass_cs(struct radv_cmd_buffer *cmd_buffer)
.srcSubresource = (VkImageSubresourceLayers) {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = src_iview->base_mip,
- .baseArrayLayer = 0,
- .layerCount = src_iview->image->info.array_size
+ .baseArrayLayer = src_iview->base_layer,
+ .layerCount = layer_count,
},
.dstSubresource = (VkImageSubresourceLayers) {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = dst_iview->base_mip,
- .baseArrayLayer = 0,
- .layerCount = dst_iview->image->info.array_size
+ .baseArrayLayer = dst_iview->base_layer,
+ .layerCount = layer_count,
},
.srcOffset = (VkOffset3D){ 0, 0, 0 },
.dstOffset = (VkOffset3D){ 0, 0, 0 },
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