From 0b5491e0a2f1a9a4023e2c4eb171287bede41388 Mon Sep 17 00:00:00 2001
From: Marc Sunet <marc.sunet@amd.com>
Date: Fri, 21 Nov 2025 09:41:06 -0800
Subject: Switch to plain C

---
 dxg/include/dxg/dxcommon.h | 55 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 dxg/include/dxg/dxcommon.h

(limited to 'dxg/include')

diff --git a/dxg/include/dxg/dxcommon.h b/dxg/include/dxg/dxcommon.h
new file mode 100644
index 0000000..bfcdbe8
--- /dev/null
+++ b/dxg/include/dxg/dxcommon.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#include <d3d12.h>
+#include <dxgi1_4.h>
+#include <directx/d3dx12.h>
+
+#include <assert.h>
+#include <stdio.h>
+
+#define TRAP(ERROR) { \
+    fprintf(stderr, "Error in file:[%s] line:%d: %s", __FILE__, __LINE__, ERROR);\
+    assert(false);\
+    __debugbreak();\
+}
+
+#define TRAP_HRESULT(RESULT) { \
+    fprintf(stderr, "HRESULT: %u", RESULT);\
+    TRAP("API call failed")\
+}
+
+#define TrapIfFailed(RESULT) {\
+    if (RESULT != S_OK) {\
+        TRAP_HRESULT(RESULT);\
+    }\
+}
+
+#define SafeRelease(PTR) {\
+    if (PTR) {\
+        PTR->lpVtbl->Release(PTR);\
+        PTR = 0;\
+    }\
+}
+
+#define CD3DX12_CPU_DESCRIPTOR_HANDLE(HANDLE, INDEX, SIZE) \
+    (D3D12_CPU_DESCRIPTOR_HANDLE){HANDLE.ptr + (INDEX * SIZE)}
+
+#define OFFSET_HANDLE(HANDLE, OFFSET, SIZE) \
+    (D3D12_CPU_DESCRIPTOR_HANDLE){HANDLE.ptr + (OFFSET * SIZE)}
+
+static inline D3D12_RESOURCE_BARRIER CD3DX12_RESOURCE_BARRIER_Transition(
+    _In_ ID3D12Resource*  pResource,
+    D3D12_RESOURCE_STATES stateBefore,
+    D3D12_RESOURCE_STATES stateAfter) {
+    return (D3D12_RESOURCE_BARRIER){
+        .Type                   = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION,
+        .Flags                  = D3D12_RESOURCE_BARRIER_FLAG_NONE,
+        .Transition.pResource   = pResource,
+        .Transition.StateBefore = stateBefore,
+        .Transition.StateAfter  = stateAfter,
+        .Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES};
+}
+
+typedef enum SampleMask {
+    PointSampling = 0xffffffff
+} SampleMask;
-- 
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