From 12a846e8facf090aaeb68fcabf55867f5eaed747 Mon Sep 17 00:00:00 2001
From: lucy96chen <47800040+lucy96chen@users.noreply.github.com>
Date: Thu, 4 Aug 2022 16:59:28 -0700
Subject: Split debug-layer into smaller files (#2344)

* checkpoint commit

* debug-layer split, does not compile

* Almost compiles, rebasing before making any further changes

* everything compiles and passes tests locally

* Added tools/gfx/debug-layer to premake and ran premake

Co-authored-by: Yong He <yonghe@outlook.com>
---
 tools/gfx/debug-layer/debug-command-buffer.cpp | 153 +++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 tools/gfx/debug-layer/debug-command-buffer.cpp

(limited to 'tools/gfx/debug-layer/debug-command-buffer.cpp')

diff --git a/tools/gfx/debug-layer/debug-command-buffer.cpp b/tools/gfx/debug-layer/debug-command-buffer.cpp
new file mode 100644
index 000000000..3785bcd43
--- /dev/null
+++ b/tools/gfx/debug-layer/debug-command-buffer.cpp
@@ -0,0 +1,153 @@
+// debug-command-buffer.cpp
+#include "debug-command-buffer.h"
+
+#include "debug-framebuffer.h"
+#include "debug-render-pass.h"
+
+#include "debug-helper-functions.h"
+
+namespace gfx
+{
+using namespace Slang;
+
+namespace debug
+{
+
+DebugCommandBuffer::DebugCommandBuffer()
+{
+    SLANG_GFX_API_FUNC;
+    m_renderCommandEncoder.commandBuffer = this;
+    m_computeCommandEncoder.commandBuffer = this;
+    m_resourceCommandEncoder.commandBuffer = this;
+    m_rayTracingCommandEncoder.commandBuffer = this;
+}
+
+void DebugCommandBuffer::encodeRenderCommands(
+    IRenderPassLayout* renderPass,
+    IFramebuffer* framebuffer,
+    IRenderCommandEncoder** outEncoder)
+{
+    SLANG_GFX_API_FUNC;
+    checkCommandBufferOpenWhenCreatingEncoder();
+    checkEncodersClosedBeforeNewEncoder();
+    auto innerRenderPass =
+        renderPass ? static_cast<DebugRenderPassLayout*>(renderPass)->baseObject : nullptr;
+    auto innerFramebuffer =
+        framebuffer ? static_cast<DebugFramebuffer*>(framebuffer)->baseObject : nullptr;
+    m_renderCommandEncoder.isOpen = true;
+    baseObject->encodeRenderCommands(
+        innerRenderPass, innerFramebuffer, &m_renderCommandEncoder.baseObject);
+    if (m_renderCommandEncoder.baseObject)
+        *outEncoder = &m_renderCommandEncoder;
+    else
+        *outEncoder = nullptr;
+}
+
+void DebugCommandBuffer::encodeComputeCommands(IComputeCommandEncoder** outEncoder)
+{
+    SLANG_GFX_API_FUNC;
+    checkCommandBufferOpenWhenCreatingEncoder();
+    checkEncodersClosedBeforeNewEncoder();
+    m_computeCommandEncoder.isOpen = true;
+    baseObject->encodeComputeCommands(&m_computeCommandEncoder.baseObject);
+    if (m_computeCommandEncoder.baseObject)
+    {
+        *outEncoder = &m_computeCommandEncoder;
+    }
+    else
+    {
+        *outEncoder = nullptr;
+    }
+}
+
+void DebugCommandBuffer::encodeResourceCommands(IResourceCommandEncoder** outEncoder)
+{
+    SLANG_GFX_API_FUNC;
+    checkCommandBufferOpenWhenCreatingEncoder();
+    checkEncodersClosedBeforeNewEncoder();
+    m_resourceCommandEncoder.isOpen = true;
+    baseObject->encodeResourceCommands(&m_resourceCommandEncoder.baseObject);
+    if (m_resourceCommandEncoder.baseObject)
+    {
+        *outEncoder = &m_resourceCommandEncoder;
+    }
+    else
+    {
+        *outEncoder = nullptr;
+    }
+}
+
+void DebugCommandBuffer::encodeRayTracingCommands(IRayTracingCommandEncoder** outEncoder)
+{
+    SLANG_GFX_API_FUNC;
+    checkCommandBufferOpenWhenCreatingEncoder();
+    checkEncodersClosedBeforeNewEncoder();
+    m_rayTracingCommandEncoder.isOpen = true;
+    baseObject->encodeRayTracingCommands(&m_rayTracingCommandEncoder.baseObject);
+    if (m_rayTracingCommandEncoder.baseObject)
+    {
+        *outEncoder = &m_rayTracingCommandEncoder;
+    }
+    else
+    {
+        *outEncoder = nullptr;
+    }
+}
+
+void DebugCommandBuffer::close()
+{
+    SLANG_GFX_API_FUNC;
+    if (!isOpen)
+    {
+        GFX_DIAGNOSE_ERROR("command buffer is already closed.");
+    }
+    if (m_renderCommandEncoder.isOpen)
+    {
+        GFX_DIAGNOSE_ERROR(
+            "A render command encoder on this command buffer is still open. "
+            "IRenderCommandEncoder::endEncoding() must be called before closing a command buffer.");
+    }
+    if (m_computeCommandEncoder.isOpen)
+    {
+        GFX_DIAGNOSE_ERROR(
+            "A compute command encoder on this command buffer is still open. "
+            "IComputeCommandEncoder::endEncoding() must be called before closing a command buffer.");
+    }
+    if (m_resourceCommandEncoder.isOpen)
+    {
+        GFX_DIAGNOSE_ERROR(
+            "A resource command encoder on this command buffer is still open. "
+            "IResourceCommandEncoder::endEncoding() must be called before closing a command buffer.");
+    }
+    isOpen = false;
+    baseObject->close();
+}
+
+Result DebugCommandBuffer::getNativeHandle(InteropHandle* outHandle)
+{
+    SLANG_GFX_API_FUNC;
+    return baseObject->getNativeHandle(outHandle);
+}
+
+void DebugCommandBuffer::checkEncodersClosedBeforeNewEncoder()
+{
+    if (m_renderCommandEncoder.isOpen || m_resourceCommandEncoder.isOpen ||
+        m_computeCommandEncoder.isOpen)
+    {
+        GFX_DIAGNOSE_ERROR(
+            "A previouse command encoder created on this command buffer is still open. "
+            "endEncoding() must be called on the encoder before creating an encoder.");
+    }
+}
+
+void DebugCommandBuffer::checkCommandBufferOpenWhenCreatingEncoder()
+{
+    if (!isOpen)
+    {
+        GFX_DIAGNOSE_ERROR("The command buffer is already closed. Encoders can only be retrieved "
+                           "while the command buffer is open.");
+    }
+}
+
+} // namespace debug
+} // namespace gfx
-- 
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