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anv/blit: Use CLAMP_TO_EDGE for scaled blits

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When upscaling you can end up interpolating between the edge pixel and one
past the edge.  Using CLAMP_TO_EDGE seems like the most reasonable thing to
do in this case.  This fixes two of the new Vulkan CTS tests in
dEQP-VK.api.copy_and_blit.blit_image.*

Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Jason Ekstrand 2016-06-02 16:34:11 -07:00
parent 9313a56816
commit 441194edd9
1 changed files with 3 additions and 0 deletions
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src/intel/vulkan/anv_meta_blit.c
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@ -211,6 +211,9 @@ meta_emit_blit(struct anv_cmd_buffer *cmd_buffer,
.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO,
.magFilter = blit_filter,
.minFilter = blit_filter,
.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
}, &cmd_buffer->pool->alloc, &sampler);
VkDescriptorPool desc_pool;