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/**********************************************************************
*
* Copyright(c) Imagination Technologies Ltd.
*
* The contents of this file are subject to the MIT license as set out below.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* This License is also included in this distribution in the file called
* "COPYING".
*
******************************************************************************/
#if !defined(__WSEGL_H__)
#define __WSEGL_H__
#ifdef __cplusplus
extern "C" {
#endif
/*
// WSEGL Platform-specific definitions
*/
#if defined(__linux__)
#define WSEGL_EXPORT __attribute__((visibility("default")))
#define WSEGL_IMPORT
#else
#define WSEGL_EXPORT
#define WSEGL_IMPORT
#endif
/*
// WSEGL API Version Number
*/
#define WSEGL_VERSION 2
#define WSEGL_DEFAULT_DISPLAY 0
#define WSEGL_DEFAULT_NATIVE_ENGINE 0
#define WSEGL_FALSE 0
#define WSEGL_TRUE 1
#define WSEGL_NULL 0
#define WSEGL_UNREFERENCED_PARAMETER(param) (param) = (param)
/*
// WSEGL handles
*/
typedef void *WSEGLDisplayHandle;
typedef void *WSEGLDrawableHandle;
/*
// Display capability type
*/
typedef enum WSEGLCapsType_TAG
{
WSEGL_NO_CAPS = 0,
WSEGL_CAP_MIN_SWAP_INTERVAL = 1, /* System default value = 1 */
WSEGL_CAP_MAX_SWAP_INTERVAL = 2, /* System default value = 1 */
WSEGL_CAP_WINDOWS_USE_HW_SYNC = 3, /* System default value = 0 (FALSE) */
WSEGL_CAP_PIXMAPS_USE_HW_SYNC = 4, /* System default value = 0 (FALSE) */
} WSEGLCapsType;
/*
// Display capability
*/
typedef struct WSEGLCaps_TAG
{
WSEGLCapsType eCapsType;
unsigned long ui32CapsValue;
} WSEGLCaps;
/*
// Drawable type
*/
#define WSEGL_NO_DRAWABLE 0x0
#define WSEGL_DRAWABLE_WINDOW 0x1
#define WSEGL_DRAWABLE_PIXMAP 0x2
/*
// Pixel format of display/drawable
*/
typedef enum WSEGLPixelFormat_TAG
{
/* These must not be re-ordered */
WSEGL_PIXELFORMAT_RGB565 = 0,
WSEGL_PIXELFORMAT_ARGB4444 = 1,
WSEGL_PIXELFORMAT_ARGB8888 = 2,
WSEGL_PIXELFORMAT_ARGB1555 = 3,
WSEGL_PIXELFORMAT_ABGR8888 = 4,
WSEGL_PIXELFORMAT_XBGR8888 = 5,
/* These are compatibility names only; new WSEGL
* modules should not use them.
*/
WSEGL_PIXELFORMAT_565 = WSEGL_PIXELFORMAT_RGB565,
WSEGL_PIXELFORMAT_4444 = WSEGL_PIXELFORMAT_ARGB4444,
WSEGL_PIXELFORMAT_8888 = WSEGL_PIXELFORMAT_ARGB8888,
WSEGL_PIXELFORMAT_1555 = WSEGL_PIXELFORMAT_ARGB1555,
} WSEGLPixelFormat;
/*
// Transparent of display/drawable
*/
typedef enum WSEGLTransparentType_TAG
{
WSEGL_OPAQUE = 0,
WSEGL_COLOR_KEY = 1,
} WSEGLTransparentType;
/*
// Display/drawable configuration
*/
typedef struct WSEGLConfig_TAG
{
/*
// Type of drawables this configuration applies to -
// OR'd values of drawable types.
*/
unsigned long ui32DrawableType;
/* Pixel format */
WSEGLPixelFormat ePixelFormat;
/* Native Renderable - set to WSEGL_TRUE if native renderable */
unsigned long ulNativeRenderable;
/* FrameBuffer Level Parameter */
unsigned long ulFrameBufferLevel;
/* Native Visual ID */
unsigned long ulNativeVisualID;
/* Native Visual */
void *hNativeVisual;
/* Transparent Type */
WSEGLTransparentType eTransparentType;
/* Transparent Color - only used if transparent type is COLOR_KEY */
unsigned long ulTransparentColor; /* packed as 0x00RRGGBB */
} WSEGLConfig;
/*
// WSEGL errors
*/
typedef enum WSEGLError_TAG
{
WSEGL_SUCCESS = 0,
WSEGL_CANNOT_INITIALISE = 1,
WSEGL_BAD_NATIVE_DISPLAY = 2,
WSEGL_BAD_NATIVE_WINDOW = 3,
WSEGL_BAD_NATIVE_PIXMAP = 4,
WSEGL_BAD_NATIVE_ENGINE = 5,
WSEGL_BAD_DRAWABLE = 6,
WSEGL_BAD_MATCH = 7,
WSEGL_OUT_OF_MEMORY = 8,
/* These are compatibility names only; new WSEGL
* modules should not use them.
*/
WSEGL_BAD_CONFIG = WSEGL_BAD_MATCH,
} WSEGLError;
/*
// Drawable orientation (in degrees anti-clockwise)
*/
typedef enum WSEGLRotationAngle_TAG
{
WSEGL_ROTATE_0 = 0,
WSEGL_ROTATE_90 = 1,
WSEGL_ROTATE_180 = 2,
WSEGL_ROTATE_270 = 3
} WSEGLRotationAngle;
/*
// Drawable information required by OpenGL-ES driver
*/
typedef struct WSEGLDrawableParams_TAG
{
/* Width in pixels of the drawable */
unsigned long ui32Width;
/* Height in pixels of the drawable */
unsigned long ui32Height;
/* Stride in pixels of the drawable */
unsigned long ui32Stride;
/* Pixel format of the drawable */
WSEGLPixelFormat ePixelFormat;
/* User space cpu virtual address of the drawable */
void *pvLinearAddress;
/* HW address of the drawable */
unsigned long ui32HWAddress;
/* Private data for the drawable */
void *hPrivateData;
} WSEGLDrawableParams;
/*
// Table of function pointers that is returned by WSEGL_GetFunctionTablePointer()
//
// The first entry in the table is the version number of the wsegl.h header file that
// the module has been written against, and should therefore be set to WSEGL_VERSION
*/
typedef struct WSEGL_FunctionTable_TAG
{
unsigned long ui32WSEGLVersion;
WSEGLError (*pfnWSEGL_IsDisplayValid)(NativeDisplayType);
WSEGLError (*pfnWSEGL_InitialiseDisplay)(NativeDisplayType, WSEGLDisplayHandle *, const WSEGLCaps **, WSEGLConfig **);
WSEGLError (*pfnWSEGL_CloseDisplay)(WSEGLDisplayHandle);
WSEGLError (*pfnWSEGL_CreateWindowDrawable)(WSEGLDisplayHandle, WSEGLConfig *, WSEGLDrawableHandle *, NativeWindowType, WSEGLRotationAngle *);
WSEGLError (*pfnWSEGL_CreatePixmapDrawable)(WSEGLDisplayHandle, WSEGLConfig *, WSEGLDrawableHandle *, NativePixmapType, WSEGLRotationAngle *);
WSEGLError (*pfnWSEGL_DeleteDrawable)(WSEGLDrawableHandle);
WSEGLError (*pfnWSEGL_SwapDrawable)(WSEGLDrawableHandle, unsigned long);
WSEGLError (*pfnWSEGL_SwapControlInterval)(WSEGLDrawableHandle, unsigned long);
WSEGLError (*pfnWSEGL_WaitNative)(WSEGLDrawableHandle, unsigned long);
WSEGLError (*pfnWSEGL_CopyFromDrawable)(WSEGLDrawableHandle, NativePixmapType);
WSEGLError (*pfnWSEGL_CopyFromPBuffer)(void *, unsigned long, unsigned long, unsigned long, WSEGLPixelFormat, NativePixmapType);
WSEGLError (*pfnWSEGL_GetDrawableParameters)(WSEGLDrawableHandle, WSEGLDrawableParams *, WSEGLDrawableParams *);
WSEGLError (*pfnWSEGL_ConnectDrawable)(WSEGLDrawableHandle);
WSEGLError (*pfnWSEGL_DisconnectDrawable)(WSEGLDrawableHandle);
} WSEGL_FunctionTable;
WSEGL_IMPORT const WSEGL_FunctionTable *WSEGL_GetFunctionTablePointer(void);
#ifdef __cplusplus
}
#endif
#endif /* __WSEGL_H__ */
/******************************************************************************
End of file (wsegl.h)
******************************************************************************/
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