1 files changed, 69 insertions, 0 deletions
diff --git a/Runtime/GfxDevice/d3d/D3D9Utils.h b/Runtime/GfxDevice/d3d/D3D9Utils.h
new file mode 100644
index 0000000..529e58b
--- /dev/null
+++ b/Runtime/GfxDevice/d3d/D3D9Utils.h
@@ -0,0 +1,69 @@
+#pragma once
+
+#include "D3D9Includes.h"
+#include "Runtime/GfxDevice/GfxDeviceTypes.h"
+
+//#define DUMMY_D3D9_CALLS
+
+#ifndef DUMMY_D3D9_CALLS
+#define D3D9_CALL(x) x
+#define D3D9_CALL_HR(x) x
+#else
+HRESULT CallDummyD3D9Function();
+#define D3D9_CALL(x) CallDummyD3D9Function()
+#define D3D9_CALL_HR(x) CallDummyD3D9Function()
+#endif
+
+
+const char* GetD3D9Error( HRESULT hr );
+int GetBPPFromD3DFormat( D3DFORMAT format );
+int GetStencilBitsFromD3DFormat (D3DFORMAT fmt);
+D3DMULTISAMPLE_TYPE GetD3DMultiSampleType (int samples);
+
+bool CheckD3D9DebugRuntime (IDirect3DDevice9* dev);
+
+struct D3D9DepthStencilTexture {
+	D3D9DepthStencilTexture() : m_Texture(NULL), m_Surface(NULL) {}
+
+	IDirect3DTexture9*	m_Texture;
+	IDirect3DSurface9*	m_Surface;
+
+	void Release() {
+		if (m_Texture) {
+			REGISTER_EXTERNAL_GFX_DEALLOCATION(m_Texture); 
+			m_Texture->Release();
+			m_Texture = NULL;
+		}
+		if (m_Surface) {
+			REGISTER_EXTERNAL_GFX_DEALLOCATION(m_Surface); 
+			m_Surface->Release();
+			m_Surface = NULL;
+		}
+	}
+};
+
+const D3DFORMAT kD3D9FormatDF16 = (D3DFORMAT)MAKEFOURCC('D','F','1','6');
+const D3DFORMAT kD3D9FormatINTZ = (D3DFORMAT)MAKEFOURCC('I','N','T','Z');
+const D3DFORMAT kD3D9FormatRAWZ = (D3DFORMAT)MAKEFOURCC('R','A','W','Z');
+const D3DFORMAT kD3D9FormatNULL = (D3DFORMAT)MAKEFOURCC('N','U','L','L');
+const D3DFORMAT kD3D9FormatRESZ = (D3DFORMAT)MAKEFOURCC('R','E','S','Z');
+
+
+D3D9DepthStencilTexture CreateDepthStencilTextureD3D9 (
+	IDirect3DDevice9* dev, int width, int height, D3DFORMAT format,
+	D3DMULTISAMPLE_TYPE msType, DWORD msQuality, BOOL discardable );
+
+static inline DWORD GetD3D9SamplerIndex (ShaderType type, int unit)
+{
+	switch (type) {
+	case kShaderVertex:
+		DebugAssert (unit >= 0 && unit < 4); // DX9 has limit of 4 vertex samplers
+		return unit + D3DVERTEXTEXTURESAMPLER0;
+	case kShaderFragment:
+		DebugAssert (unit >= 0 && unit < kMaxSupportedTextureUnits);
+		return unit;
+	default:
+		Assert ("Unsupported shader type for sampler");
+		return 0;
+	}
+}