Support timestamp queries in `gfx`. (#1880)

* Support timestamp queries in `gfx`.

* Fix tab

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/gfx/immediate-renderer-base.h b/tools/gfx/immediate-renderer-base.h
index 3acceed15..b1e867edc 100644
--- a/tools/gfx/immediate-renderer-base.h
+++ b/tools/gfx/immediate-renderer-base.h
@@ -40,6 +40,11 @@ public:
     void establishStrongReferenceToDevice() { m_renderer.establishStrongReference(); }
 };
 
+struct CommandBufferInfo
+{
+    bool hasWriteTimestamps;
+};
+
 class ImmediateRendererBase : public RendererBase
 {
 public:
@@ -75,6 +80,9 @@ public:
     virtual void waitForGpu() = 0;
     virtual void* map(IBufferResource* buffer, MapFlavor flavor) = 0;
     virtual void unmap(IBufferResource* buffer, size_t offsetWritten, size_t sizeWritten) = 0;
+    virtual void writeTimestamp(IQueryPool* pool, SlangInt index) = 0;
+    virtual void beginCommandBuffer(const CommandBufferInfo&) {}
+    virtual void endCommandBuffer(const CommandBufferInfo&) {}
 
 public:
     Slang::RefPtr<ImmediateCommandQueueBase> m_queue;