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sync code with last improvements from OpenBSD

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purplerain 2023-08-28 05:57:34 +00:00
commit 88965415ff
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
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xserver/hw/xfree86/int10/vbeModes.h Normal file
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/*
* Copyright © 2002 David Dawes
*
* 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 AUTHOR(S) 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.
*
* Except as contained in this notice, the name of the author(s) shall
* not be used in advertising or otherwise to promote the sale, use or other
* dealings in this Software without prior written authorization from
* the author(s).
*
* Authors: David Dawes <dawes@xfree86.org>
*
*/
#ifndef _VBE_MODES_H
/*
* This is intended to be stored in the DisplayModeRec's private area.
* It includes all the information necessary to VBE information.
*/
typedef struct _VbeModeInfoData {
int mode;
VbeModeInfoBlock *data;
VbeCRTCInfoBlock *block;
} VbeModeInfoData;
#define V_DEPTH_1 0x001
#define V_DEPTH_4 0x002
#define V_DEPTH_8 0x004
#define V_DEPTH_15 0x008
#define V_DEPTH_16 0x010
#define V_DEPTH_24_24 0x020
#define V_DEPTH_24_32 0x040
#define V_DEPTH_24 (V_DEPTH_24_24 | V_DEPTH_24_32)
#define V_DEPTH_30 0x080
#define V_DEPTH_32 0x100
#define VBE_MODE_SUPPORTED(m) (((m)->ModeAttributes & 0x01) != 0)
#define VBE_MODE_COLOR(m) (((m)->ModeAttributes & 0x08) != 0)
#define VBE_MODE_GRAPHICS(m) (((m)->ModeAttributes & 0x10) != 0)
#define VBE_MODE_VGA(m) (((m)->ModeAttributes & 0x40) == 0)
#define VBE_MODE_LINEAR(m) (((m)->ModeAttributes & 0x80) != 0 && \
((m)->PhysBasePtr != 0))
#define VBE_MODE_USABLE(m, f) (VBE_MODE_SUPPORTED(m) || \
(f & V_MODETYPE_BAD)) && \
VBE_MODE_GRAPHICS(m) && \
(VBE_MODE_VGA(m) || VBE_MODE_LINEAR(m))
#define V_MODETYPE_VBE 0x01
#define V_MODETYPE_VGA 0x02
#define V_MODETYPE_BAD 0x04
extern _X_EXPORT int VBEFindSupportedDepths(vbeInfoPtr pVbe, VbeInfoBlock * vbe,
int *flags24, int modeTypes);
extern _X_EXPORT DisplayModePtr VBEGetModePool(ScrnInfoPtr pScrn,
vbeInfoPtr pVbe,
VbeInfoBlock * vbe,
int modeTypes);
extern _X_EXPORT void VBESetModeNames(DisplayModePtr pMode);
extern _X_EXPORT void VBESetModeParameters(ScrnInfoPtr pScrn, vbeInfoPtr pVbe);
/*
* Note: These are alternatives to the standard helpers. They should
* usually just wrap the standard helpers.
*/
extern _X_EXPORT int VBEValidateModes(ScrnInfoPtr scrp,
DisplayModePtr availModes,
const char **modeNames,
ClockRangePtr clockRanges,
int *linePitches, int minPitch,
int maxPitch, int pitchInc, int minHeight,
int maxHeight, int virtualX, int virtualY,
int apertureSize,
LookupModeFlags strategy);
extern _X_EXPORT void VBEPrintModes(ScrnInfoPtr scrp);
#endif /* VBE_MODES_H */