Vulkan: Disable clip space transform based on EXT_clip_control

src/libANGLE/renderer/vulkan/ProgramExecutableVk.cpp

@@ -141,7 +141,7 @@ angle::Result ProgramInfo::initProgram(ContextVk *contextVk,
     if (isLastPreFragmentStage)
     {
         options.preRotation = static_cast<SurfaceRotation>(optionBits.surfaceRotation);
-        options.transformPositionToVulkanClipSpace = true;
+        options.transformPositionToVulkanClipSpace = optionBits.enableDepthCorrection;
     }
 
     ANGLE_TRY(GlslangWrapperVk::TransformSpirV(contextVk, options, variableInfoMap,
@@ -686,6 +686,7 @@ angle::Result ProgramExecutableVk::getGraphicsPipeline(
 
     mTransformOptions.enableLineRasterEmulation = contextVk->isBresenhamEmulationEnabled(mode);
     mTransformOptions.surfaceRotation           = ToUnderlying(desc.getSurfaceRotation());
+    mTransformOptions.enableDepthCorrection     = !glState.isClipControlDepthZeroToOne();
 
     // This must be called after mTransformOptions have been set.
     ProgramInfo &programInfo                  = getGraphicsProgramInfo(mTransformOptions);

src/libANGLE/renderer/vulkan/ProgramExecutableVk.h

@@ -53,8 +53,9 @@ struct ProgramTransformOptions final
     uint8_t enableLineRasterEmulation : 1;
     uint8_t removeEarlyFragmentTestsOptimization : 1;
     uint8_t surfaceRotation : 3;
-    uint8_t reserved : 3;  // must initialize to zero
-    static constexpr uint32_t kPermutationCount = 0x1 << 5;
+    uint8_t enableDepthCorrection : 1;
+    uint8_t reserved : 2;  // must initialize to zero
+    static constexpr uint32_t kPermutationCount = 0x1 << 6;
 };
 static_assert(sizeof(ProgramTransformOptions) == 1, "Size check failed");
 static_assert(static_cast<int>(SurfaceRotation::EnumCount) <= 8, "Size check failed");

src/libANGLE/renderer/vulkan/vk_caps_utils.cpp

@@ -866,6 +866,9 @@ void RendererVk::ensureCapsInitialized() const
     // Enable GL_EXT_copy_image
     mNativeExtensions.copyImageEXT = true;
 
+    // GL_EXT_clip_control
+    mNativeExtensions.clipControlEXT = true;
+
     // Enable GL_EXT_texture_buffer and OES variant.  Nearly all formats required for this extension
     // are also required to have the UNIFORM_TEXEL_BUFFER feature bit in Vulkan, except for
     // R32G32B32_SFLOAT/UINT/SINT which are optional.  For many formats, the STORAGE_TEXEL_BUFFER