commit d9ba4b7dd30b2a5d824d7230d176c0ff99c2e5a2
author Antonio Maiorano <amaiorano@google.com> Mon May 04 14:38:59 2020 -0400
committer Sean Risser <srisser@google.com> Mon May 11 14:45:03 2020 +0000
tree 63500c27faa7891c5ff639468dc3ff17e7c6bf68
parent 7b87548e5a639efd25edb2939198077c033dfb6a

Add high precision filtering extension

This lets users specify the level of sampling precision they want.
Chromium needs this to pass WebGL tests with SWANGLE.

Bug: b/146423360
Bug: b/154620295

Change-Id: I83575823b5909d836c3d4c02803ba7909ce08935
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/42268
Tested-by: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>

src/Vulkan/VkSampler.cpp

diff --git a/src/Vulkan/VkSampler.cpp b/src/Vulkan/VkSampler.cpp
index 11cb00e..d64a4d5 100644
--- a/src/Vulkan/VkSampler.cpp
+++ b/src/Vulkan/VkSampler.cpp
@@ -16,7 +16,7 @@
 
 namespace vk {
 
-SamplerState::SamplerState(const VkSamplerCreateInfo *pCreateInfo, const vk::SamplerYcbcrConversion *ycbcrConversion)
+SamplerState::SamplerState(const VkSamplerCreateInfo *pCreateInfo, const vk::SamplerYcbcrConversion *ycbcrConversion, VkSamplerFilteringPrecisionModeGOOGLE filteringPrecision)
     : Memset(this, 0)
     , magFilter(pCreateInfo->magFilter)
     , minFilter(pCreateInfo->minFilter)
@@ -33,6 +33,7 @@
     , maxLod(ClampLod(pCreateInfo->maxLod))
     , borderColor(pCreateInfo->borderColor)
     , unnormalizedCoordinates(pCreateInfo->unnormalizedCoordinates)
+    , filteringPrecision(filteringPrecision)
 {
 	if(ycbcrConversion)
 	{