Extract texture compression functionality.

server/TracyTextureCompression.hpp

@@ -0,0 +1,48 @@
+#ifndef __TRACY__TEXTURECOMPRESSION_HPP__
+#define __TRACY__TEXTURECOMPRESSION_HPP__
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "TracySlab.hpp"
+
+struct ZSTD_CCtx_s;
+struct ZSTD_DCtx_s;
+
+namespace tracy
+{
+
+struct FrameImage;
+
+class TextureCompression
+{
+public:
+    TextureCompression();
+    ~TextureCompression();
+
+    void Pack( struct ZSTD_CCtx_s* ctx, char*& buf, size_t& bufsz, const char* image, uint32_t inBytes, uint32_t& csz ) const;
+
+    template<size_t Size>
+    const char* Pack( const char* image, uint32_t inBytes, uint32_t& csz, Slab<Size>& slab )
+    {
+        const auto outsz = PackImpl( image, inBytes );
+        auto ptr = (char*)slab.AllocBig( outsz );
+        memcpy( ptr, m_buf, outsz );
+        csz = outsz;
+        return ptr;
+    }
+
+    const char* Unpack( const FrameImage& image );
+
+private:
+    uint32_t PackImpl( const char* image, uint32_t inBytes );
+
+    char* m_buf;
+    size_t m_bufSize;
+    struct ZSTD_CCtx_s* m_cctx;
+    struct ZSTD_DCtx_s* m_dctx;
+};
+
+}
+
+#endif