Implement vkGetPhysicalDeviceFormatProperties and parts of 06 - depth stencil sample

README.md

@@ -14,7 +14,7 @@ make
 Build the Rust library (portability implementation):
 
 ```
-cargo build
+cargo build -p portability
 ```
 
 Build the native example:

libportability-gfx/src/conv.rs

@@ -39,13 +39,75 @@ pub fn format_from_hal(format: format::Format) -> VkFormat {
     }
 }
 
-pub fn hal_from_format(format: VkFormat) -> format::Format {
+pub fn format_properties_from_hal(properties: format::Properties) -> VkFormatProperties {
+    VkFormatProperties {
+        linearTilingFeatures: image_features_from_hal(properties.linear_tiling),
+        optimalTilingFeatures: image_features_from_hal(properties.optimal_tiling),
+        bufferFeatures: buffer_features_from_hal(properties.buffer_features),
+    }
+}
+
+fn image_features_from_hal(features: format::ImageFeature) -> VkFormatFeatureFlags {
+    let mut flags = 0;
+
+    if features.contains(format::ImageFeature::SAMPLED) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT as _;
+    }
+    if features.contains(format::ImageFeature::STORAGE) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT as _;
+    }
+    if features.contains(format::ImageFeature::STORAGE_ATOMIC) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT as _;
+    }
+    if features.contains(format::ImageFeature::COLOR_ATTACHMENT) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT as _;
+    }
+    if features.contains(format::ImageFeature::COLOR_ATTACHMENT_BLEND) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT as _;
+    }
+    if features.contains(format::ImageFeature::DEPTH_STENCIL_ATTACHMENT) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT as _;
+    }
+    if features.contains(format::ImageFeature::BLIT_SRC) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_BLIT_SRC_BIT as _;
+    }
+    if features.contains(format::ImageFeature::BLIT_DST) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_BLIT_DST_BIT as _;
+    }
+    if features.contains(format::ImageFeature::SAMPLED_LINEAR) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT as _;
+    }
+
+    flags
+}
+
+fn buffer_features_from_hal(features: format::BufferFeature) -> VkFormatFeatureFlags {
+    let mut flags = 0;
+
+    if features.contains(format::BufferFeature::UNIFORM_TEXEL) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT as _;
+    }
+    if features.contains(format::BufferFeature::STORAGE_TEXEL) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT as _;
+    }
+    if features.contains(format::BufferFeature::STORAGE_TEXEL_ATOMIC) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT as _;
+    }
+    if features.contains(format::BufferFeature::VERTEX) {
+        flags |= VkFormatFeatureFlagBits::VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT as _;
+    }
+
+    flags
+}
+
+pub fn map_format(format: VkFormat) -> format::Format {
     use VkFormat::*;
     use hal::format::ChannelType::*;
     use hal::format::SurfaceType::*;
 
     let (sf, cf) = match format {
         VK_FORMAT_B8G8R8A8_UNORM => (B8_G8_R8_A8, Unorm),
+        VK_FORMAT_D16_UNORM => (D16, Unorm),
         _ => {
             panic!("format {:?}", format);
         }

libportability-gfx/src/impls.rs

@@ -73,12 +73,14 @@ extern "C" {
                                        pFeatures:
                                            *mut VkPhysicalDeviceFeatures);
 }
-extern "C" {
+#[inline]
-    pub fn vkGetPhysicalDeviceFormatProperties(physicalDevice:
+pub extern fn gfxGetPhysicalDeviceFormatProperties(
-                                                   VkPhysicalDevice,
+    adapter: VkPhysicalDevice,
-                                               format: VkFormat,
+    format: VkFormat,
-                                               pFormatProperties:
+    pFormatProperties: *mut VkFormatProperties,
-                                                   *mut VkFormatProperties);
+) {
+    let properties = adapter.physical_device.format_properties(conv::map_format(format));
+    unsafe { *pFormatProperties = conv::format_properties_from_hal(properties); }
 }
 extern "C" {
     pub fn vkGetPhysicalDeviceImageFormatProperties(physicalDevice:
@@ -439,7 +441,7 @@ pub extern fn gfxCreateImageView(
         .device
         .create_image_view(
             &info.image,
-            conv::hal_from_format(info.format),
+            conv::map_format(info.format),
             conv::map_swizzle(info.components),
             conv::map_subresource_range(info.subresourceRange),
         );
@@ -1087,7 +1089,7 @@ pub extern fn gfxCreateSwapchainKHR(
     assert_eq!(info.imageSharingMode, VkSharingMode::VK_SHARING_MODE_EXCLUSIVE); // TODO
 
     let config = hal::SwapchainConfig {
-        color_format: conv::hal_from_format(info.imageFormat),
+        color_format: conv::map_format(info.imageFormat),
         depth_stencil_format: None,
         image_count: info.minImageCount,
     };

libportability/src/lib.rs

@@ -74,6 +74,14 @@ pub extern fn vkDestroyImageView(
 ) {
     gfxDestroyImageView(device, imageView, pAllocator)
 }
+#[no_mangle]
+pub extern fn vkGetPhysicalDeviceFormatProperties(
+    adapter: VkPhysicalDevice,
+    format: VkFormat,
+    pFormatProperties: *mut VkFormatProperties,
+) {
+    gfxGetPhysicalDeviceFormatProperties(adapter, format, pFormatProperties)
+}
 
 #[no_mangle]
 pub extern fn vkCreateCommandPool(

native/test.cpp

@@ -1,5 +1,25 @@
 /// Sample code adopted from https://github.com/LunarG/VulkanSamples
 
+/*
+ * Vulkan Samples
+ *
+ * Copyright (C) 2015-2016 Valve Corporation
+ * Copyright (C) 2015-2016 LunarG, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
 #if defined(_WIN32)
 #define VK_USE_PLATFORM_WIN32_KHR
 #endif
@@ -175,6 +195,28 @@ int main() {
         assert(!res);
     }
 
+    VkImageCreateInfo image_info = {};
+    const VkFormat depth_format = VK_FORMAT_D16_UNORM;
+    VkFormatProperties props;
+    vkGetPhysicalDeviceFormatProperties(physical_devices[0], depth_format, &props);
+    printf("\tvkGetPhysicalDeviceFormatProperties\n");
+    printf(
+        "\t\tlinear_tiling_features: %x\n"
+        "\t\toptimal_tiling_features: %x\n"
+        "\t\tbuffer_features: %x\n",
+            props.linearTilingFeatures,
+            props.optimalTilingFeatures,
+            props.bufferFeatures);
+
+    if (props.linearTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
+        image_info.tiling = VK_IMAGE_TILING_LINEAR;
+    } else if (props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
+        image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
+    } else {
+        printf("VK_FORMAT_D16_UNORM unsupported.\n");
+        return -1;
+    }
+
     VkCommandPool cmd_pool = 0;
     VkCommandPoolCreateInfo cmd_pool_info = {};
     cmd_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;