diff --git a/libportability-gfx/src/impls.rs b/libportability-gfx/src/impls.rs
index 6f7ed6d..51975ed 100644
--- a/libportability-gfx/src/impls.rs
+++ b/libportability-gfx/src/impls.rs
@@ -790,20 +790,33 @@ pub extern "C" fn gfxDestroyImageView(
 }
 #[inline]
 pub extern "C" fn gfxCreateShaderModule(
-    device: VkDevice,
+    gpu: VkDevice,
     pCreateInfo: *const VkShaderModuleCreateInfo,
-    pAllocator: *const VkAllocationCallbacks,
+    _pAllocator: *const VkAllocationCallbacks,
     pShaderModule: *mut VkShaderModule,
 ) -> VkResult {
-    unimplemented!()
+    let info = unsafe { &*pCreateInfo };
+    let code = unsafe {
+        slice::from_raw_parts(info.pCode as *const u8, info.codeSize as usize)
+    };
+
+    let shader_module = gpu
+        .device
+        .create_shader_module(code)
+        .expect("Error creating shader module"); // TODO
+
+    unsafe {
+        *pShaderModule = Handle::new(shader_module);
+    }
+    VkResult::VK_SUCCESS
 }
 #[inline]
 pub extern "C" fn gfxDestroyShaderModule(
-    device: VkDevice,
+    gpu: VkDevice,
     shaderModule: VkShaderModule,
-    pAllocator: *const VkAllocationCallbacks,
+    _pAllocator: *const VkAllocationCallbacks,
 ) {
-    unimplemented!()
+    gpu.device.destroy_shader_module(*shaderModule.unwrap());
 }
 #[inline]
 pub extern "C" fn gfxCreatePipelineCache(
diff --git a/libportability-gfx/src/lib.rs b/libportability-gfx/src/lib.rs
index e0c787b..a39d42d 100644
--- a/libportability-gfx/src/lib.rs
+++ b/libportability-gfx/src/lib.rs
@@ -35,6 +35,7 @@ pub type VkDescriptorPool = Handle<<B as hal::Backend>::DescriptorPool>;
 pub type VkDescriptorSet = Handle<<B as hal::Backend>::DescriptorSet>;
 pub type VkSampler = Handle<<B as hal::Backend>::Sampler>;
 pub type VkBufferView = Handle<<B as hal::Backend>::BufferView>;
+pub type VkShaderModule = Handle<<B as hal::Backend>::ShaderModule>;
 
 pub enum Image<B: hal::Backend> {
     Image(B::Image),
@@ -540,12 +541,6 @@ pub struct VkQueryPool_T {
 pub type VkQueryPool = *mut VkQueryPool_T;
 #[repr(C)]
 #[derive(Debug, Copy, Clone)]
-pub struct VkShaderModule_T {
-    _unused: [u8; 0],
-}
-pub type VkShaderModule = *mut VkShaderModule_T;
-#[repr(C)]
-#[derive(Debug, Copy, Clone)]
 pub struct VkPipelineCache_T {
     _unused: [u8; 0],
 }