Refactor `gfx` to surface `CommandBuffer` interface. (#1735)

* Refactor `gfx` to surface `CommandBuffer` interface.

* Fixes.

* Fix code review issues, and make vulkan runnable on devices without VK_EXT_extended_dynamic_states.

* Update solution files

* Move out-of-date examples to examples/experimental

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

1 files changed, 25 insertions, 0 deletions

diff --git a/tools/gfx/simple-render-pass-layout.cpp b/tools/gfx/simple-render-pass-layout.cpp
new file mode 100644
index 000000000..8821df87c
--- /dev/null
+++ b/tools/gfx/simple-render-pass-layout.cpp
@@ -0,0 +1,25 @@
+#include "simple-render-pass-layout.h"
+
+#include "renderer-shared.h"
+
+namespace gfx
+{
+
+IRenderPassLayout* SimpleRenderPassLayout::getInterface(const Slang::Guid& guid)
+{
+    if (guid == GfxGUID::IID_ISlangUnknown || guid == GfxGUID::IID_IRenderPassLayout)
+        return static_cast<IRenderPassLayout*>(this);
+    return nullptr;
+}
+
+void SimpleRenderPassLayout::init(const IRenderPassLayout::Desc& desc)
+{
+    m_renderTargetAccesses.setCount(desc.renderTargetCount);
+    for (uint32_t i = 0; i < desc.renderTargetCount; i++)
+        m_renderTargetAccesses[i] = desc.renderTargetAccess[i];
+    m_hasDepthStencil = (desc.depthStencilAccess != nullptr);
+    if (m_hasDepthStencil)
+        m_depthStencilAccess = *desc.depthStencilAccess;
+}
+
+} // namespace gfx