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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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driver/xf86-video-mga/src/mga_dri.h Normal file
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/*
* Copyright 2000 VA Linux Systems Inc., Fremont, California.
* All Rights Reserved.
*
* 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 (including the next
* paragraph) 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
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
* Gareth Hughes <gareth@valinux.com>
*/
#ifndef __MGA_DRI_H__
#define __MGA_DRI_H__
#include <X11/Xfuncproto.h>
#include "xf86drm.h"
#define MGA_DEFAULT_AGP_MODE 1
#define MGA_MAX_AGP_MODE 4
/* Buffer are aligned on 4096 byte boundaries.
*/
#define MGA_BUFFER_ALIGN 0x00000fff
typedef struct {
unsigned int frontOffset;
unsigned int frontPitch;
unsigned int backOffset;
unsigned int backPitch;
unsigned int depthOffset;
unsigned int depthPitch;
unsigned int textureOffset;
int textureSize;
drmRegion agp;
/* PCI mappings */
drmRegion fb;
drmRegion registers;
drmRegion status;
/* AGP mappings */
drmRegion warp;
drmRegion primary;
drmRegion buffers;
drmRegion agpTextures;
drmBufMapPtr drmBuffers;
int drm_version_major;
int drm_version_minor;
} MGADRIServerPrivateRec, *MGADRIServerPrivatePtr;
/**
* Hardware information sent from server to client-side DRI driver.
*
* \todo
* Several of these fields are no longer used (and will never be used
* again) on the client-side. At some point when it is safe to do so
* (probably for the X.org 6.9 / 7.0 release), these fields should be removed.
*/
#if 1
typedef struct _mgaDrmRegion {
drm_handle_t handle;
unsigned int offset;
drmSize size;
} mgaDrmRegion, *mgaDrmRegionPtr;
#else
#define mgaDrmRegion drmRegion
#endif
typedef struct {
int chipset;
int width;
int height;
int mem _X_DEPRECATED; /**< Unused client-side since forever. */
int cpp;
int agpMode;
unsigned int frontOffset;
unsigned int frontPitch;
unsigned int backOffset;
unsigned int backPitch;
unsigned int depthOffset;
unsigned int depthPitch;
unsigned int textureOffset;
unsigned int textureSize;
int logTextureGranularity; /**< Unused client-side since 2003-Aug-06 */
unsigned int agpBufferOffset _X_DEPRECATED; /**< Unused client-side since forever. */
unsigned int agpTextureOffset;
unsigned int agpTextureSize;
int logAgpTextureGranularity; /**< Unused client-side since 2003-Aug-06 */
unsigned int mAccess _X_DEPRECATED; /**< Unused client-side since forever. */
/**
* \name DRM memory regions.
*/
/*@{*/
mgaDrmRegion registers; /**< MMIO registers. */
mgaDrmRegion status; /**< Unused client-side since forever. */
mgaDrmRegion primary; /**< Primary DMA region. */
mgaDrmRegion buffers; /**< Unused client-side since forever. */
/*@}*/
unsigned int sarea_priv_offset;
} MGADRIRec, *MGADRIPtr;
#endif