diff options
Diffstat (limited to 'src/mesa/drivers/dri/mach64/mach64_ioctl.h')
| -rw-r--r-- | src/mesa/drivers/dri/mach64/mach64_ioctl.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mach64/mach64_ioctl.h b/src/mesa/drivers/dri/mach64/mach64_ioctl.h new file mode 100644 index 0000000000..52fe863484 --- /dev/null +++ b/src/mesa/drivers/dri/mach64/mach64_ioctl.h @@ -0,0 +1,148 @@ +/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */ +/* + * Copyright 2000 Gareth Hughes + * 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 + * GARETH HUGHES 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: + * Gareth Hughes <gareth@valinux.com> + * Leif Delgass <ldelgass@retinalburn.net> + * José Fonseca <j_r_fonseca@yahoo.co.uk> + */ + +#ifndef __MACH64_IOCTL_H__ +#define __MACH64_IOCTL_H__ + +#include "mach64_dri.h" +#include "mach64_reg.h" +#include "mach64_lock.h" + +#define MACH64_BUFFER_MAX_DWORDS (MACH64_BUFFER_SIZE / sizeof(CARD32)) + + +extern drmBufPtr mach64GetBufferLocked( mach64ContextPtr mmesa ); +extern void mach64FlushVerticesLocked( mach64ContextPtr mmesa ); +extern void mach64FlushDMALocked( mach64ContextPtr mmesa ); +extern void mach64UploadHwStateLocked( mach64ContextPtr mmesa ); + +static __inline void *mach64AllocDmaLow( mach64ContextPtr mmesa, int bytes ) +{ + CARD32 *head; + + if ( mmesa->vert_used + bytes > mmesa->vert_total ) { + LOCK_HARDWARE( mmesa ); + mach64FlushVerticesLocked( mmesa ); + UNLOCK_HARDWARE( mmesa ); + } + + head = (CARD32 *)((char *)mmesa->vert_buf + mmesa->vert_used); + mmesa->vert_used += bytes; + + return head; +} + +static __inline void *mach64AllocDmaLocked( mach64ContextPtr mmesa, int bytes ) +{ + CARD32 *head; + + if ( mmesa->vert_used + bytes > mmesa->vert_total ) { + mach64FlushVerticesLocked( mmesa ); + } + + head = (CARD32 *)((char *)mmesa->vert_buf + mmesa->vert_used); + mmesa->vert_used += bytes; + + return head; +} + +extern void mach64FireBlitLocked( mach64ContextPtr mmesa, void *buffer, + GLint offset, GLint pitch, GLint format, + GLint x, GLint y, GLint width, GLint height ); + +extern void mach64CopyBuffer( const __DRIdrawablePrivate *dPriv ); +#if ENABLE_PERF_BOXES +extern void mach64PerformanceCounters( mach64ContextPtr mmesa ); +extern void mach64PerformanceBoxesLocked( mach64ContextPtr mmesa ); +#endif +extern void mach64WaitForIdleLocked( mach64ContextPtr mmesa ); + +extern void mach64InitIoctlFuncs( struct dd_function_table *functions ); + +/* ================================================================ + * Helper macros: + */ + +#define FLUSH_BATCH( mmesa ) \ +do { \ + if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) \ + fprintf( stderr, "FLUSH_BATCH in %s\n", __FUNCTION__ ); \ + if ( mmesa->vert_used ) { \ + mach64FlushVertices( mmesa ); \ + } \ +} while (0) + +/* According to a comment in ATIMach64Sync (atimach64.c) in the DDX: + * + * "For VTB's and later, the first CPU read of the framebuffer will return + * zeroes [...] This appears to be due to some kind of engine + * caching of framebuffer data I haven't found any way of disabling, or + * otherwise circumventing." + */ +#define FINISH_DMA_LOCKED( mmesa ) \ +do { \ + CARD32 _tmp; \ + if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) \ + fprintf( stderr, "FINISH_DMA_LOCKED in %s\n", __FUNCTION__ ); \ + if ( mmesa->vert_used ) { \ + mach64FlushVerticesLocked( mmesa ); \ + } \ + mach64WaitForIdleLocked( mmesa ); \ + /* pre-read framebuffer to counter caching problem */ \ + _tmp = *(volatile CARD32 *)mmesa->driScreen->pFB; \ +} while (0) + +#define FLUSH_DMA_LOCKED( mmesa ) \ +do { \ + if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) \ + fprintf( stderr, "FLUSH_DMA_LOCKED in %s\n", __FUNCTION__ ); \ + if ( mmesa->vert_used ) { \ + mach64FlushVerticesLocked( mmesa ); \ + } \ + mach64FlushDMALocked( mmesa ); \ +} while (0) + +#define mach64FlushVertices( mmesa ) \ +do { \ + LOCK_HARDWARE( mmesa ); \ + mach64FlushVerticesLocked( mmesa ); \ + UNLOCK_HARDWARE( mmesa ); \ +} while (0) + +#define mach64WaitForIdle( mmesa ) \ +do { \ + LOCK_HARDWARE( mmesa ); \ + mach64WaitForIdleLocked( mmesa ); \ + UNLOCK_HARDWARE( mmesa ); \ +} while (0) + + +#endif /* __MACH64_IOCTL_H__ */ |