1 files changed, 54 insertions, 0 deletions
diff --git a/tools/gfx/cpu/cpu-buffer.cpp b/tools/gfx/cpu/cpu-buffer.cpp
new file mode 100644
index 000000000..2c9c3077d
--- /dev/null
+++ b/tools/gfx/cpu/cpu-buffer.cpp
@@ -0,0 +1,54 @@
+// cpu-buffer.cpp
+#include "cpu-buffer.h"
+
+namespace gfx
+{
+using namespace Slang;
+
+namespace cpu
+{
+
+BufferResourceImpl::~BufferResourceImpl()
+{
+    if (m_data)
+    {
+        free(m_data);
+    }
+}
+
+Result BufferResourceImpl::init()
+{
+    m_data = malloc(m_desc.sizeInBytes);
+    if (!m_data)
+        return SLANG_E_OUT_OF_MEMORY;
+    return SLANG_OK;
+}
+
+Result BufferResourceImpl::setData(size_t offset, size_t size, void const* data)
+{
+    memcpy((char*)m_data + offset, data, size);
+    return SLANG_OK;
+}
+
+SLANG_NO_THROW DeviceAddress SLANG_MCALL BufferResourceImpl::getDeviceAddress()
+{
+    return (DeviceAddress)m_data;
+}
+
+SLANG_NO_THROW Result SLANG_MCALL
+    BufferResourceImpl::map(MemoryRange* rangeToRead, void** outPointer)
+{
+    SLANG_UNUSED(rangeToRead);
+    if (outPointer)
+        *outPointer = m_data;
+    return SLANG_OK;
+}
+
+SLANG_NO_THROW Result SLANG_MCALL BufferResourceImpl::unmap(MemoryRange* writtenRange)
+{
+    SLANG_UNUSED(writtenRange);
+    return SLANG_OK;
+}
+
+} // namespace cpu
+} // namespace gfx