diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.h')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.h new file mode 100644 index 000000000..f92ff44ea --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_ioctl.h @@ -0,0 +1,105 @@ + +/************************************************************************** + +Copyright 2001 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 +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 +ATI, VA LINUX SYSTEMS AND/OR THEIR 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. + +**************************************************************************/ + +/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_ioctl.h,v 1.3 2002/10/30 12:51:35 alanh Exp $ */ + +/* + * Author: + * Jeff Hartmann <jhartmann@2d3d.com> + * Graeme Fisher <graeme@2d3d.co.za> + * Abraham vd Merwe <abraham@2d3d.co.za> + * + * Heavily based on the I810 driver, which was written by: + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#ifndef I830_IOCTL_H +#define I830_IOCTL_H + +#include "i830_context.h" + +GLuint *i830AllocDwords (i830ContextPtr imesa, int dwords); +void i830EmitPrim( i830ContextPtr imesa ); +void i830FlushPrims( i830ContextPtr mmesa ); +void i830FlushPrimsLocked( i830ContextPtr mmesa ); +void i830FlushPrimsGetBuffer( i830ContextPtr imesa ); +void i830FlushPrimsGetBufferLocked( i830ContextPtr imesa ); +void i830WaitAgeLocked( i830ContextPtr imesa, int age ); +void i830WaitAge( i830ContextPtr imesa, int age ); +void i830DmaFinish( i830ContextPtr imesa ); +void i830RegetLockQuiescent( i830ContextPtr imesa ); +void i830InitIoctlFuncs( struct dd_function_table *functions ); +void i830CopyBuffer( const __DRIdrawablePrivate *dpriv ); +void i830PageFlip( const __DRIdrawablePrivate *dpriv ); +int i830_check_copy(int fd); + +#define I830_STATECHANGE(imesa, flag) \ +do { \ + if (imesa->vertex_low != imesa->vertex_last_prim) \ + i830FlushPrims(imesa); \ + imesa->dirty |= flag; \ +} while (0) + + +#define I830_FIREVERTICES(imesa) \ +do { \ + if (imesa->vertex_buffer) { \ + i830FlushPrims(imesa); \ +} \ +} while (0) + + +static __inline GLuint *i830AllocDmaLow( i830ContextPtr imesa, int bytes ) +{ + if (imesa->vertex_low + bytes > imesa->vertex_high) { + i830FlushPrimsGetBuffer( imesa ); + } + + { + GLuint *start = (GLuint *)(imesa->vertex_addr + imesa->vertex_low); + imesa->vertex_low += bytes; + return start; + } +} + +static __inline GLuint *i830AllocDmaLowLocked( i830ContextPtr imesa, + int bytes ) +{ + if (imesa->vertex_low + bytes > imesa->vertex_high) { + i830FlushPrimsGetBufferLocked( imesa ); + } + + { + GLuint *start = (GLuint *)(imesa->vertex_addr + imesa->vertex_low); + imesa->vertex_low += bytes; + return start; + } +} + + +#endif |