/* $Id$ */
/** @file
* shaderlib -- interface to WINE's Direct3D shader functions
*/
/*
* Copyright (C) 2014-2015 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef ___shaderlib_h___
#define ___shaderlib_h___
#include <VBox/cdefs.h>
RT_C_DECLS_BEGIN
#ifdef IN_SHADERLIB_STATIC
# define SHADERDECL(type) DECLHIDDEN(type) RTCALL
#else
# define SHADERDECL(type) DECLEXPORT(type) RTCALL
#endif
/** Pointer to shaderlib callback interface. */
typedef struct VBOXVMSVGASHADERIF *PVBOXVMSVGASHADERIF;
/**
* Interface the shader lib can use to talk back to the VBox VMSVGA OGL 3D code.
*/
typedef struct VBOXVMSVGASHADERIF
{
/**
* Switches the initialization profile in builds where we have to juggle two
* OpenGL profiles to gather all the data (i.e. mac os x).
*
* @param pThis Pointer to this structure.
* @param fOtherProfile If set, switch to the non-default profile. If
* clear, switch back to the default profile.
*/
DECLCALLBACKMEMBER(void, pfnSwitchInitProfile)(PVBOXVMSVGASHADERIF pThis, bool fOtherProfile);
/**
* Extension enumeration function.
*
* @param pThis Pointer to this structure.
* @param ppvEnumCtx Pointer to a void point that's initialized to NULL
* before the first call.
* @param pszBuf Where to store the extension name. Garbled on
* overflow (we assume no overflow).
* @param cbBuf The size of the buffer @a pszBuf points to.
* @param fOtherProfile Indicates which profile to get extensions from,
* we'll use the default profile if CLEAR and the
* non-default if SET.
*/
DECLCALLBACKMEMBER(bool, pfnGetNextExtension)(PVBOXVMSVGASHADERIF pThis, void **ppvEnumCtx, char *pszBuf, size_t cbBuf,
bool fOtherProfile);
} VBOXVMSVGASHADERIF;
SHADERDECL(int) ShaderInitLib(PVBOXVMSVGASHADERIF pVBoxShaderIf);
SHADERDECL(int) ShaderDestroyLib(void);
SHADERDECL(int) ShaderContextCreate(void **ppShaderContext);
SHADERDECL(int) ShaderContextDestroy(void *pShaderContext);
SHADERDECL(int) ShaderCreateVertexShader(void *pShaderContext, const uint32_t *pShaderData, void **pShaderObj);
SHADERDECL(int) ShaderCreatePixelShader(void *pShaderContext, const uint32_t *pShaderData, void **pShaderObj);
SHADERDECL(int) ShaderDestroyVertexShader(void *pShaderContext, void *pShaderObj);
SHADERDECL(int) ShaderDestroyPixelShader(void *pShaderContext, void *pShaderObj);
SHADERDECL(int) ShaderSetVertexShader(void *pShaderContext, void *pShaderObj);
SHADERDECL(int) ShaderSetPixelShader(void *pShaderContext, void *pShaderObj);
SHADERDECL(int) ShaderSetVertexShaderConstantB(void *pShaderContext, uint32_t reg, const uint8_t *pValues, uint32_t cRegisters);
SHADERDECL(int) ShaderSetVertexShaderConstantI(void *pShaderContext, uint32_t reg, const int32_t *pValues, uint32_t cRegisters);
SHADERDECL(int) ShaderSetVertexShaderConstantF(void *pShaderContext, uint32_t reg, const float *pValues, uint32_t cRegisters);
SHADERDECL(int) ShaderSetPixelShaderConstantB(void *pShaderContext, uint32_t reg, const uint8_t *pValues, uint32_t cRegisters);
SHADERDECL(int) ShaderSetPixelShaderConstantI(void *pShaderContext, uint32_t reg, const int32_t *pValues, uint32_t cRegisters);
SHADERDECL(int) ShaderSetPixelShaderConstantF(void *pShaderContext, uint32_t reg, const float *pValues, uint32_t cRegisters);
SHADERDECL(int) ShaderUpdateState(void *pShaderContext, uint32_t rtHeight);
SHADERDECL(int) ShaderTransformProjection(unsigned cxViewPort, unsigned cyViewPort, float matrix[16]);
RT_C_DECLS_END
#endif /* !___shaderlib_h___ */