[Mesa-dev] [PATCH] radv: add radv_clear_htile() helper

[Samuel Pitoiset]

This helper will be useful for clearing HTILE after some
depth/stencil resolves.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/vulkan/radv_cmd_buffer.c |  7 +------
 src/amd/vulkan/radv_meta.h       |  3 +++
 src/amd/vulkan/radv_meta_clear.c | 12 ++++++++++++
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 4f592bc7f68..43730f0568c 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -4389,19 +4389,14 @@ static void radv_initialize_htile(struct radv_cmd_buffer *cmd_buffer,
 {
 	assert(range->baseMipLevel == 0);
 	assert(range->levelCount == 1 || range->levelCount == VK_REMAINING_ARRAY_LAYERS);
-	unsigned layer_count = radv_get_layerCount(image, range);
-	uint64_t size = image->planes[0].surface.htile_slice_size * layer_count;
 	VkImageAspectFlags aspects = VK_IMAGE_ASPECT_DEPTH_BIT;
-	uint64_t offset = image->offset + image->htile_offset +
-	                  image->planes[0].surface.htile_slice_size * range->baseArrayLayer;
 	struct radv_cmd_state *state = &cmd_buffer->state;
 	VkClearDepthStencilValue value = {};
 
 	state->flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_DB |
 			     RADV_CMD_FLAG_FLUSH_AND_INV_DB_META;
 
-	state->flush_bits |= radv_fill_buffer(cmd_buffer, image->bo, offset,
-					      size, clear_word);
+	state->flush_bits |= radv_clear_htile(cmd_buffer, image, range, clear_word);
 
 	state->flush_bits |= RADV_CMD_FLAG_FLUSH_AND_INV_DB_META;
 
diff --git a/src/amd/vulkan/radv_meta.h b/src/amd/vulkan/radv_meta.h
index 5e0afd11a00..0bd75d6c207 100644
--- a/src/amd/vulkan/radv_meta.h
+++ b/src/amd/vulkan/radv_meta.h
@@ -211,6 +211,9 @@ uint32_t radv_clear_fmask(struct radv_cmd_buffer *cmd_buffer,
 			  struct radv_image *image, uint32_t value);
 uint32_t radv_clear_dcc(struct radv_cmd_buffer *cmd_buffer,
 			struct radv_image *image, uint32_t value);
+uint32_t radv_clear_htile(struct radv_cmd_buffer *cmd_buffer,
+			  struct radv_image *image,
+			  const VkImageSubresourceRange *range, uint32_t value);
 
 /* common nir builder helpers */
 #include "nir/nir_builder.h"
diff --git a/src/amd/vulkan/radv_meta_clear.c b/src/amd/vulkan/radv_meta_clear.c
index 6c038fa779d..0db5e1db05f 100644
--- a/src/amd/vulkan/radv_meta_clear.c
+++ b/src/amd/vulkan/radv_meta_clear.c
@@ -1344,6 +1344,18 @@ radv_clear_dcc(struct radv_cmd_buffer *cmd_buffer,
 				image->planes[0].surface.dcc_size, value);
 }
 
+uint32_t
+radv_clear_htile(struct radv_cmd_buffer *cmd_buffer, struct radv_image *image,
+		 const VkImageSubresourceRange *range, uint32_t value)
+{
+	unsigned layer_count = radv_get_layerCount(image, range);
+	uint64_t size = image->planes[0].surface.htile_slice_size * layer_count;
+	uint64_t offset = image->offset + image->htile_offset +
+	                  image->planes[0].surface.htile_slice_size * range->baseArrayLayer;
+
+	return radv_fill_buffer(cmd_buffer, image->bo, offset, size, value);
+}
+
 static void vi_get_fast_clear_parameters(VkFormat format,
 					 const VkClearColorValue *clear_value,
 					 uint32_t* reset_value,
-- 
2.21.0