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/*
* Copyright 2000-2001 VA Linux Systems, Inc.
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. 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>
*/
/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mga_xmesa.h,v 1.12 2002/12/16 16:18:52 dawes Exp $ */
#ifndef _MGA_INIT_H_
#define _MGA_INIT_H_
#include <sys/time.h>
#include "dri_util.h"
#include "mga_drm.h"
#include "mtypes.h"
#include "mgaregs.h"
#include "xmlconfig.h"
typedef struct mga_screen_private_s {
/**
* Chipset "family" of this card. Currently only \c MGA_CARD_TYPE_G200 and
* \c MGA_CARD_TYPE_G400 are possible.
*/
int chipset;
/**
* Characters (bytes) per-pixel for both the front and back buffers.
*
* \note
* This is also implicitly the bytes per-pixel for the depth-buffer.
*/
int cpp;
GLint agpMode;
unsigned int irq; /**< IRQ number (0 means none) */
unsigned int frontOffset;
unsigned int frontPitch;
unsigned int backOffset;
unsigned int backPitch;
unsigned int depthOffset;
unsigned int depthPitch;
unsigned int textureOffset[MGA_NR_TEX_HEAPS];
unsigned int textureSize[MGA_NR_TEX_HEAPS];
char *texVirtual[MGA_NR_TEX_HEAPS];
__DRIscreenPrivate *sPriv;
drmBufMapPtr bufs;
drmRegion mmio;
drmRegion primary;
unsigned int sarea_priv_offset;
/** Configuration cache with default values for all contexts */
driOptionCache optionCache;
} mgaScreenPrivate;
/**
* mgaRenderbuffer, derived from Mesa's gl_renderbuffer
*/
typedef struct {
struct gl_renderbuffer Base;
/* XXX per-window info should go here */
int foo, bar;
} mgaRenderbuffer;
#include "mgacontext.h"
extern void mgaGetLock( mgaContextPtr mmesa, GLuint flags );
extern void mgaEmitHwStateLocked( mgaContextPtr mmesa );
extern void mgaEmitScissorValues( mgaContextPtr mmesa, int box_nr, int emit );
#define GET_DISPATCH_AGE( mmesa ) mmesa->sarea->last_dispatch
/* Lock the hardware and validate our state.
*/
#define LOCK_HARDWARE( mmesa ) \
do { \
char __ret=0; \
DRM_CAS(mmesa->driHwLock, mmesa->hHWContext, \
(DRM_LOCK_HELD|mmesa->hHWContext), __ret); \
if (__ret) \
mgaGetLock( mmesa, 0 ); \
} while (0)
/*
*/
#define LOCK_HARDWARE_QUIESCENT( mmesa ) do { \
LOCK_HARDWARE( mmesa ); \
UPDATE_LOCK( mmesa, DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH ); \
} while (0)
/* Unlock the hardware using the global current context
*/
#define UNLOCK_HARDWARE(mmesa) \
DRM_UNLOCK(mmesa->driFd, mmesa->driHwLock, mmesa->hHWContext);
/* Freshen our snapshot of the drawables
*/
#define REFRESH_DRAWABLE_INFO( mmesa ) \
do { \
LOCK_HARDWARE( mmesa ); \
mmesa->lastX = mmesa->drawX; \
mmesa->lastY = mmesa->drawY; \
UNLOCK_HARDWARE( mmesa ); \
} while (0)
#define GET_DRAWABLE_LOCK( mmesa ) while(0)
#define RELEASE_DRAWABLE_LOCK( mmesa ) while(0)
/* The 2D driver macros are busted -- we can't use them here as they
* rely on the 2D driver data structures rather than taking an explicit
* base address.
*/
#define MGA_BASE( reg ) ((unsigned long)(mmesa->mgaScreen->mmio.map))
#define MGA_ADDR( reg ) (MGA_BASE(reg) + reg)
#define MGA_DEREF( reg ) *(volatile u_int32_t *)MGA_ADDR( reg )
#define MGA_READ( reg ) MGA_DEREF( reg )
#endif
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