Vulkan: Implement EXT_texture_filter_anisotropic

src/libANGLE/renderer/vulkan/TextureVk.cpp

@@ -968,14 +968,18 @@ angle::Result TextureVk::syncState(const gl::Context *context,
     }
 
     ContextVk *contextVk = vk::GetImpl(context);
+    RendererVk *renderer = contextVk->getRenderer();
     if (mSampler.valid())
     {
-        RendererVk *renderer = contextVk->getRenderer();
         renderer->releaseObject(renderer->getCurrentQueueSerial(), &mSampler);
     }
 
+    const gl::Extensions &extensions     = renderer->getNativeExtensions();
     const gl::SamplerState &samplerState = mState.getSamplerState();
 
+    float maxAnisotropy   = samplerState.getMaxAnisotropy();
+    bool anisotropyEnable = extensions.textureFilterAnisotropic && maxAnisotropy > 1.0f;
+
     // Create a simple sampler. Force basic parameter settings.
     VkSamplerCreateInfo samplerInfo     = {};
     samplerInfo.sType                   = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
@@ -987,8 +991,8 @@ angle::Result TextureVk::syncState(const gl::Context *context,
     samplerInfo.addressModeV            = gl_vk::GetSamplerAddressMode(samplerState.getWrapT());
     samplerInfo.addressModeW            = gl_vk::GetSamplerAddressMode(samplerState.getWrapR());
     samplerInfo.mipLodBias              = 0.0f;
-    samplerInfo.anisotropyEnable        = VK_FALSE;
-    samplerInfo.maxAnisotropy           = 1.0f;
+    samplerInfo.anisotropyEnable        = anisotropyEnable;
+    samplerInfo.maxAnisotropy           = maxAnisotropy;
     samplerInfo.compareEnable           = VK_FALSE;
     samplerInfo.compareOp               = VK_COMPARE_OP_ALWAYS;
     samplerInfo.minLod                  = samplerState.getMinLod();

src/libANGLE/renderer/vulkan/vk_caps_utils.cpp

@@ -63,6 +63,13 @@ void GenerateCaps(const VkPhysicalDeviceProperties &physicalDeviceProperties,
     outExtensions->queryCounterBitsTimeElapsed = queueFamilyProperties.timestampValidBits;
     outExtensions->queryCounterBitsTimestamp   = queueFamilyProperties.timestampValidBits;
 
+    outExtensions->textureFilterAnisotropic =
+        physicalDeviceFeatures.samplerAnisotropy &&
+        physicalDeviceProperties.limits.maxSamplerAnisotropy > 1.0f;
+    outExtensions->maxTextureAnisotropy = outExtensions->textureFilterAnisotropic
+                                              ? physicalDeviceProperties.limits.maxSamplerAnisotropy
+                                              : 0.0f;
+
     // TODO(lucferron): Eventually remove everything above this line in this function as the caps
     // get implemented.
     // https://vulkan.lunarg.com/doc/view/1.0.30.0/linux/vkspec.chunked/ch31s02.html

src/tests/gl_tests/SamplersTest.cpp

@@ -82,5 +82,5 @@ TEST_P(SamplersTest, InvalidOverTextureSamplerMaxAnisotropyExt)
 // Use this to select which configurations (e.g. which renderer, which GLES major version) these
 // tests should be run against.
 // Samplers are only supported on ES3.
-ANGLE_INSTANTIATE_TEST(SamplersTest, ES3_D3D11(), ES3_OPENGL(), ES3_OPENGLES());
+ANGLE_INSTANTIATE_TEST(SamplersTest, ES3_D3D11(), ES3_OPENGL(), ES3_OPENGLES(), ES3_VULKAN());
 }  // namespace