2 * Copyright 2000-2001 VA Linux Systems, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
25 * Keith Whitwell <keith@tungstengraphics.com>
27 /* $XFree86: xc/lib/GL/mesa/src/drv/mga/mga_xmesa.h,v 1.12 2002/12/16 16:18:52 dawes Exp $ */
32 #ifdef GLX_DIRECT_RENDERING
39 #include "xmlconfig.h"
41 typedef struct mga_screen_private_s
{
48 int cpp
; /* for front and back buffers */
50 unsigned int irq
; /* IRQ number (0 means none) */
51 GLboolean linecomp_sane
; /* GL_TRUE if line comp. programmed correctly
57 unsigned int frontOffset
;
58 unsigned int frontPitch
;
59 unsigned int backOffset
;
60 unsigned int backPitch
;
62 unsigned int depthOffset
;
63 unsigned int depthPitch
;
66 unsigned int dmaOffset
;
68 unsigned int textureOffset
[MGA_NR_TEX_HEAPS
];
69 unsigned int textureSize
[MGA_NR_TEX_HEAPS
];
70 int logTextureGranularity
[MGA_NR_TEX_HEAPS
];
71 char *texVirtual
[MGA_NR_TEX_HEAPS
];
74 __DRIscreenPrivate
*sPriv
;
81 unsigned int sarea_priv_offset
;
83 /* Configuration cache with default values for all contexts */
84 driOptionCache optionCache
;
88 #include "mgacontext.h"
90 extern void mgaGetLock( mgaContextPtr mmesa
, GLuint flags
);
91 extern void mgaEmitHwStateLocked( mgaContextPtr mmesa
);
92 extern void mgaEmitScissorValues( mgaContextPtr mmesa
, int box_nr
, int emit
);
94 #define GET_DISPATCH_AGE( mmesa ) mmesa->sarea->last_dispatch
95 #define GET_ENQUEUE_AGE( mmesa ) mmesa->sarea->last_enqueue
99 /* Lock the hardware and validate our state.
101 #define LOCK_HARDWARE( mmesa ) \
104 DRM_CAS(mmesa->driHwLock, mmesa->hHWContext, \
105 (DRM_LOCK_HELD|mmesa->hHWContext), __ret); \
107 mgaGetLock( mmesa, 0 ); \
113 #define LOCK_HARDWARE_QUIESCENT( mmesa ) do { \
114 LOCK_HARDWARE( mmesa ); \
115 UPDATE_LOCK( mmesa, DRM_LOCK_QUIESCENT | DRM_LOCK_FLUSH ); \
119 /* Unlock the hardware using the global current context
121 #define UNLOCK_HARDWARE(mmesa) \
122 DRM_UNLOCK(mmesa->driFd, mmesa->driHwLock, mmesa->hHWContext);
125 /* Freshen our snapshot of the drawables
127 #define REFRESH_DRAWABLE_INFO( mmesa ) \
129 LOCK_HARDWARE( mmesa ); \
130 mmesa->lastX = mmesa->drawX; \
131 mmesa->lastY = mmesa->drawY; \
132 UNLOCK_HARDWARE( mmesa ); \
136 #define GET_DRAWABLE_LOCK( mmesa ) while(0)
137 #define RELEASE_DRAWABLE_LOCK( mmesa ) while(0)
140 /* The 2D driver macros are busted -- we can't use them here as they
141 * rely on the 2D driver data structures rather than taking an explicit
144 #define MGA_BASE( reg ) ((unsigned long)(mmesa->mgaScreen->mmio.map))
145 #define MGA_ADDR( reg ) (MGA_BASE(reg) + reg)
147 #define MGA_DEREF( reg ) *(volatile CARD32 *)MGA_ADDR( reg )
148 #define MGA_READ( reg ) MGA_DEREF( reg )
149 #define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0)