gxdma.h

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//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//

#ifndef _GXDMA_H_
#define _GXDMA_H_

// required gxdma functions
void DmaDRAMtoVRAM(DWORD dwLeft, DWORD dwTop, DWORD dwWidth, DWORD dwHeight);
void DmaVRAMtoDRAM(DWORD dwLeft, DWORD dwTop, DWORD dwWidth, DWORD dwHeight);
BOOL IsDMAReady(BOOL fForceWait);

#define SHARED_MEM_MIN_SIZE 2*1024*1024    //2 MegaBytes
#define GAPI_DRAM_VIRTUAL_SIZE  0x00040000

const DWORD DISP_CX_SCREEN  = 240;
const DWORD DISP_CY_SCREEN  = 320;
const DWORD DISP_CX_STRIDE  = sizeof(WORD);
const DWORD DISP_CY_STRIDE  = 480;

const DWORD DISP_CX_SCREEN_TPC  = 176;
const DWORD DISP_CY_SCREEN_TPC  = 220;
const DWORD DISP_CX_STRIDE_TPC  = sizeof(WORD);
const DWORD DISP_CY_STRIDE_TPC  = 352;

#define DRIVER_DPI_KEY TEXT("Drivers\\Display\\GPE")
#define DRIVER_DPI_VALUE TEXT("LogicalPixelsX")

#define HIGH_DPI_VALUE      192
#define HIGH_DPI_VALUE_TPC  131
#define NORMAL_DPI_VALUE    96

#ifndef GETRAWFRAMEBUFFER
    #define GETRAWFRAMEBUFFER   0x00020001
    typedef struct _RawFrameBufferInfo
    {
	    WORD wFormat;
	    WORD wBPP;
	    VOID *pFramePointer;
	    int	cxStride;
	    int	cyStride;
        int cxPixels;
        int cyPixels;
    } RawFrameBufferInfo;

    #define FORMAT_565 1
    #define FORMAT_555 2
    #define FORMAT_OTHER 3
#endif

#endif