Vulkan: add support for shadow samplers.

src/libANGLE/renderer/vulkan/TextureVk.cpp

@@ -1203,8 +1203,8 @@ angle::Result TextureVk::syncState(const gl::Context *context,
     samplerInfo.mipLodBias              = 0.0f;
     samplerInfo.anisotropyEnable        = anisotropyEnable;
     samplerInfo.maxAnisotropy           = maxAnisotropy;
-    samplerInfo.compareEnable           = VK_FALSE;
-    samplerInfo.compareOp               = VK_COMPARE_OP_ALWAYS;
+    samplerInfo.compareEnable = samplerState.getCompareMode() == GL_COMPARE_REF_TO_TEXTURE;
+    samplerInfo.compareOp     = gl_vk::GetCompareOp(samplerState.getCompareFunc());
     samplerInfo.minLod                  = samplerState.getMinLod();
     samplerInfo.maxLod                  = samplerState.getMaxLod();
     samplerInfo.borderColor             = VK_BORDER_COLOR_INT_TRANSPARENT_BLACK;

src/libANGLE/renderer/vulkan/vk_utils.cpp

@@ -776,6 +776,32 @@ VkComponentSwizzle GetSwizzle(const GLenum swizzle)
     }
 }
 
+VkCompareOp GetCompareOp(const GLenum compareFunc)
+{
+    switch (compareFunc)
+    {
+        case GL_NEVER:
+            return VK_COMPARE_OP_NEVER;
+        case GL_LESS:
+            return VK_COMPARE_OP_LESS;
+        case GL_EQUAL:
+            return VK_COMPARE_OP_EQUAL;
+        case GL_LEQUAL:
+            return VK_COMPARE_OP_LESS_OR_EQUAL;
+        case GL_GREATER:
+            return VK_COMPARE_OP_GREATER;
+        case GL_NOTEQUAL:
+            return VK_COMPARE_OP_NOT_EQUAL;
+        case GL_GEQUAL:
+            return VK_COMPARE_OP_GREATER_OR_EQUAL;
+        case GL_ALWAYS:
+            return VK_COMPARE_OP_ALWAYS;
+        default:
+            UNREACHABLE();
+            return VK_COMPARE_OP_ALWAYS;
+    }
+}
+
 void GetOffset(const gl::Offset &glOffset, VkOffset3D *vkOffset)
 {
     vkOffset->x = glOffset.x;

src/libANGLE/renderer/vulkan/vk_utils.h

@@ -531,6 +531,7 @@ VkCullModeFlags GetCullMode(const gl::RasterizerState &rasterState);
 VkFrontFace GetFrontFace(GLenum frontFace, bool invertCullFace);
 VkSampleCountFlagBits GetSamples(GLint sampleCount);
 VkComponentSwizzle GetSwizzle(const GLenum swizzle);
+VkCompareOp GetCompareOp(const GLenum compareFunc);
 
 constexpr angle::PackedEnumMap<gl::DrawElementsType, VkIndexType> kIndexTypeMap = {
     {gl::DrawElementsType::UnsignedByte, VK_INDEX_TYPE_UINT16},

src/tests/deqp_support/deqp_gles3_test_expectations.txt

@@ -541,7 +541,17 @@
 3188 VULKAN : dEQP-GLES3.functional.fbo.completeness.layer.3d* = SKIP
 3189 VULKAN : dEQP-GLES3.functional.fbo.color.tex2darray.* = SKIP
 3188 VULKAN : dEQP-GLES3.functional.fbo.color.tex3d.* = SKIP
-3189 VULKAN : dEQP-GLES3.functional.texture.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.format.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.size.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.wrap.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.filtering.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.mipmap.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.swizzle.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.shadow.2d_array.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.specification.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.vertex.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.units.* = SKIP
+3189 VULKAN : dEQP-GLES3.functional.texture.compressed.* = SKIP
 3189 VULKAN : dEQP-GLES3.functional.shaders.texture_functions.* = SKIP
 
 // Formats: