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>
26 * Gareth Hughes <gareth@valinux.com>
28 /* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgaioctl.h,v 1.11 2002/10/30 12:51:36 alanh Exp $ */
33 #include "mgacontext.h"
34 #include "mga_xmesa.h"
36 void mgaCopyBuffer( const __DRIdrawablePrivate
*dPriv
);
37 void mgaWaitForVBlank( mgaContextPtr mmesa
);
39 GLuint
*mgaAllocVertexDwords( mgaContextPtr mmesa
, int dwords
);
42 void mgaGetILoadBufferLocked( mgaContextPtr mmesa
);
43 drmBufPtr
mgaGetBufferLocked( mgaContextPtr mmesa
);
46 void mgaFireILoadLocked( mgaContextPtr mmesa
,
47 GLuint offset
, GLuint length
);
49 void mgaWaitAgeLocked( mgaContextPtr mmesa
, int age
);
50 void mgaWaitAge( mgaContextPtr mmesa
, int age
);
52 void mgaFlushVertices( mgaContextPtr mmesa
);
53 void mgaFlushVerticesLocked( mgaContextPtr mmesa
);
54 void mgaReleaseBufLocked( mgaContextPtr mmesa
, drmBufPtr buffer
);
55 int mgaFlushDMA( int fd
, drmLockFlags flags
);
57 void mgaDDFlush( GLcontext
*ctx
);
58 void mgaDDFinish( GLcontext
*ctx
);
60 void mgaInitIoctlFuncs( struct dd_function_table
*functions
);
62 #define FLUSH_BATCH(mmesa) do { \
63 if (MGA_DEBUG&DEBUG_VERBOSE_IOCTL) \
64 fprintf(stderr, "FLUSH_BATCH in %s\n", __FUNCTION__); \
65 if (mmesa->vertex_dma_buffer) mgaFlushVertices(mmesa); \
68 #define MGA_STATECHANGE(mmesa, flag) do { \
70 mmesa->dirty |= flag; \
74 extern drmBufPtr
mga_get_buffer_ioctl( mgaContextPtr mmesa
);
77 GLuint
*mgaAllocDmaLow( mgaContextPtr mmesa
, int bytes
)
81 if (!mmesa
->vertex_dma_buffer
) {
82 LOCK_HARDWARE( mmesa
);
83 mmesa
->vertex_dma_buffer
= mga_get_buffer_ioctl( mmesa
);
84 UNLOCK_HARDWARE( mmesa
);
85 } else if (mmesa
->vertex_dma_buffer
->used
+ bytes
>
86 mmesa
->vertex_dma_buffer
->total
) {
87 LOCK_HARDWARE( mmesa
);
88 mgaFlushVerticesLocked( mmesa
);
89 mmesa
->vertex_dma_buffer
= mga_get_buffer_ioctl( mmesa
);
90 UNLOCK_HARDWARE( mmesa
);
93 head
= (GLuint
*)((char *)mmesa
->vertex_dma_buffer
->address
+
94 mmesa
->vertex_dma_buffer
->used
);
96 mmesa
->vertex_dma_buffer
->used
+= bytes
;
101 #define UPDATE_LOCK( mmesa, flags ) \
103 GLint ret = mgaFlushDMA( mmesa->driFd, flags ); \
105 drmCommandNone( mmesa->driFd, DRM_MGA_RESET ); \
106 UNLOCK_HARDWARE( mmesa ); \
107 fprintf( stderr, "%s: flush return = %s (%d), flags = 0x%08x\n", \
108 __FUNCTION__, strerror( -ret ), -ret, \
109 (unsigned)(flags) ); \