Module: Mesa
Branch: master
Commit: 193ad4748b006c54c619aa47f3a50fccd27bb2c2
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=193ad4748b006c54c619aa47f3a50fccd27bb2c2

Author: Samuel Pitoiset <[email protected]>
Date:   Mon Nov 12 17:57:09 2018 +0100

radv: add radv_is_fast_clear_{depth,stencil}_allowed() helpers

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>

---

 src/amd/vulkan/radv_meta_clear.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/amd/vulkan/radv_meta_clear.c b/src/amd/vulkan/radv_meta_clear.c
index d81626de7c..b9ae66695c 100644
--- a/src/amd/vulkan/radv_meta_clear.c
+++ b/src/amd/vulkan/radv_meta_clear.c
@@ -762,6 +762,18 @@ radv_get_htile_fast_clear_value(const struct radv_image 
*image,
 }
 
 static bool
+radv_is_fast_clear_depth_allowed(VkClearDepthStencilValue value)
+{
+       return value.depth == 1.0f || value.depth == 0.0f;
+}
+
+static bool
+radv_is_fast_clear_stencil_allowed(VkClearDepthStencilValue value)
+{
+       return value.stencil == 0;
+}
+
+static bool
 emit_fast_htile_clear(struct radv_cmd_buffer *cmd_buffer,
                      const VkClearAttachment *clear_att,
                      const VkClearRect *clear_rect,
@@ -809,7 +821,8 @@ emit_fast_htile_clear(struct radv_cmd_buffer *cmd_buffer,
        if (clear_rect->layerCount != iview->image->info.array_size)
                return false;
 
-       if ((clear_value.depth != 0.0 && clear_value.depth != 1.0) || !(aspects 
& VK_IMAGE_ASPECT_DEPTH_BIT))
+       if (!radv_is_fast_clear_depth_allowed(clear_value) ||
+           !(aspects & VK_IMAGE_ASPECT_DEPTH_BIT))
                return false;
 
        /* GFX8 only supports 32-bit depth surfaces but we can enable TC-compat
@@ -821,7 +834,8 @@ emit_fast_htile_clear(struct radv_cmd_buffer *cmd_buffer,
                return false;
 
        if (vk_format_aspects(iview->image->vk_format) & 
VK_IMAGE_ASPECT_STENCIL_BIT) {
-               if (clear_value.stencil != 0 || !(aspects & 
VK_IMAGE_ASPECT_STENCIL_BIT))
+               if (!radv_is_fast_clear_stencil_allowed(clear_value) ||
+                   !(aspects & VK_IMAGE_ASPECT_STENCIL_BIT))
                        return false;
        }
 

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