1 files changed, 156 insertions, 0 deletions
diff --git a/tools/gfx/debug-layer/debug-helper-functions.cpp b/tools/gfx/debug-layer/debug-helper-functions.cpp
new file mode 100644
index 000000000..0d2c1d110
--- /dev/null
+++ b/tools/gfx/debug-layer/debug-helper-functions.cpp
@@ -0,0 +1,156 @@
+// debug-helper-functions.cpp
+#include "debug-helper-functions.h"
+
+namespace gfx
+{
+using namespace Slang;
+
+namespace debug
+{
+
+thread_local const char* _currentFunctionName = nullptr;
+
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(Device)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL_PARENT(BufferResource, Resource)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL_PARENT(TextureResource, Resource)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(CommandBuffer)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(CommandQueue)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(Framebuffer)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(FramebufferLayout)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(InputLayout)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(RenderPassLayout)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(PipelineState)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(ResourceView)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(SamplerState)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(ShaderObject)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(ShaderProgram)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(Swapchain)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(TransientResourceHeap)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(QueryPool)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL_PARENT(AccelerationStructure, ResourceView)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(Fence)
+SLANG_GFX_DEBUG_GET_INTERFACE_IMPL(ShaderTable)
+
+String _gfxGetFuncName(const char* input)
+{
+    UnownedStringSlice str(input);
+    auto prefixIndex = str.indexOf(UnownedStringSlice("Debug"));
+    if (prefixIndex == -1)
+        return input;
+    auto endIndex = str.lastIndexOf('(');
+    if (endIndex == -1)
+        endIndex = str.getLength();
+    auto startIndex = prefixIndex + 5;
+    StringBuilder sb;
+    sb.appendChar('I');
+    sb.append(str.subString(startIndex, endIndex - startIndex));
+    return sb.ProduceString();
+}
+
+void validateAccelerationStructureBuildInputs(
+    const IAccelerationStructure::BuildInputs& buildInputs)
+{
+    switch (buildInputs.kind)
+    {
+    case IAccelerationStructure::Kind::TopLevel:
+        if (!buildInputs.instanceDescs)
+        {
+            GFX_DIAGNOSE_ERROR("IAccelerationStructure::BuildInputs::instanceDescs cannot be null "
+                "when creating a top-level acceleration structure.");
+        }
+        break;
+    case IAccelerationStructure::Kind::BottomLevel:
+        if (!buildInputs.geometryDescs)
+        {
+            GFX_DIAGNOSE_ERROR("IAccelerationStructure::BuildInputs::geometryDescs cannot be null "
+                "when creating a bottom-level acceleration structure.");
+        }
+        for (int i = 0; i < buildInputs.descCount; i++)
+        {
+            switch (buildInputs.geometryDescs[i].type)
+            {
+            case IAccelerationStructure::GeometryType::Triangles:
+                switch (buildInputs.geometryDescs[i].content.triangles.vertexFormat)
+                {
+                case Format::R32G32B32_FLOAT:
+                case Format::R32G32_FLOAT:
+                case Format::R16G16B16A16_FLOAT:
+                case Format::R16G16_FLOAT:
+                case Format::R16G16B16A16_SNORM:
+                case Format::R16G16_SNORM:
+                    break;
+                default:
+                    GFX_DIAGNOSE_ERROR(
+                        "Unsupported IAccelerationStructure::TriangleDesc::vertexFormat. Valid "
+                        "values are R32G32B32_FLOAT, R32G32_FLOAT, R16G16B16A16_FLOAT, R16G16_FLOAT, "
+                        "R16G16B16A16_SNORM or R16G16_SNORM.");
+                }
+                if (buildInputs.geometryDescs[i].content.triangles.indexCount)
+                {
+                    switch (buildInputs.geometryDescs[i].content.triangles.indexFormat)
+                    {
+                    case Format::R32_UINT:
+                    case Format::R16_UINT:
+                        break;
+                    default:
+                        GFX_DIAGNOSE_ERROR(
+                            "Unsupported IAccelerationStructure::TriangleDesc::indexFormat. Valid "
+                            "values are Unknown, R32_UINT or R16_UINT.");
+                    }
+                    if (!buildInputs.geometryDescs[i].content.triangles.indexData)
+                    {
+                        GFX_DIAGNOSE_ERROR(
+                            "IAccelerationStructure::TriangleDesc::indexData cannot be null if "
+                            "IAccelerationStructure::TriangleDesc::indexCount is not 0");
+                    }
+                }
+                if (buildInputs.geometryDescs[i].content.triangles.indexFormat != Format::Unknown)
+                {
+                    if (buildInputs.geometryDescs[i].content.triangles.indexCount == 0)
+                    {
+                        GFX_DIAGNOSE_ERROR(
+                            "IAccelerationStructure::TriangleDesc::indexCount cannot be 0 if "
+                            "IAccelerationStructure::TriangleDesc::indexFormat is not Format::Unknown");
+                    }
+                    if (buildInputs.geometryDescs[i].content.triangles.indexData == 0)
+                    {
+                        GFX_DIAGNOSE_ERROR(
+                            "IAccelerationStructure::TriangleDesc::indexData cannot be null if "
+                            "IAccelerationStructure::TriangleDesc::indexFormat is not "
+                            "Format::Unknown");
+                    }
+                }
+                else
+                {
+                    if (buildInputs.geometryDescs[i].content.triangles.indexCount != 0)
+                    {
+                        GFX_DIAGNOSE_ERROR(
+                            "IAccelerationStructure::TriangleDesc::indexCount must be 0 if "
+                            "IAccelerationStructure::TriangleDesc::indexFormat is "
+                            "Format::Unknown");
+                    }
+                    if (buildInputs.geometryDescs[i].content.triangles.indexData != 0)
+                    {
+                        GFX_DIAGNOSE_ERROR(
+                            "IAccelerationStructure::TriangleDesc::indexData must be null if "
+                            "IAccelerationStructure::TriangleDesc::indexFormat is "
+                            "Format::Unknown");
+                    }
+                }
+                if (!buildInputs.geometryDescs[i].content.triangles.vertexData)
+                {
+                    GFX_DIAGNOSE_ERROR(
+                        "IAccelerationStructure::TriangleDesc::vertexData cannot be null.");
+                }
+                break;
+            }
+        }
+        break;
+    default:
+        GFX_DIAGNOSE_ERROR("Invalid value of IAccelerationStructure::Kind.");
+        break;
+    }
+}
+
+} // namespace debug
+} // namespace gfx