diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_cce.h')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/r128/r128_cce.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_cce.h b/xc/lib/GL/mesa/src/drv/r128/r128_cce.h new file mode 100644 index 000000000..768151971 --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/r128/r128_cce.h @@ -0,0 +1,160 @@ +/* $XFree86$ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc., + Cedar Park, Texas. +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, PRECISION INSIGHT 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. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <kevin@precisioninsight.com> + * Gareth Hughes <gareth@precisioninsight.com> + * + */ + +#ifndef _R128_CCE_H_ +#define _R128_CCE_H_ + +#ifdef GLX_DIRECT_RENDERING + +#include "r128_dri.h" +#include "r128_reg.h" + +#include "xf86drmR128.h" + +#define R128_DEFAULT_TOTAL_CCE_TIMEOUT 1000000 /* usecs */ + +typedef union { + float f; + int i; +} floatTOint; + +/* Insert an integer value into the CCE ring buffer. */ +#define R128CCE(v) \ +do { \ + r128ctx->CCEbuf[r128ctx->CCEcount] = (v); \ + r128ctx->CCEcount++; \ +} while (0) + +/* Insert an floating point value into the CCE ring buffer. */ +#define R128CCEF(v) \ +do { \ + floatTOint fTi; \ + fTi.f = (v); \ + r128ctx->CCEbuf[r128ctx->CCEcount] = fTi.i; \ + r128ctx->CCEcount++; \ +} while (0) + +/* Insert a type-[0123] packet header into the ring buffer */ +#define R128CCE0(p,r,n) R128CCE((p) | ((n) << 16) | ((r) >> 2)) +#define R128CCE1(p,r1,r2) R128CCE((p) | (((r2) >> 2) << 11) | ((r1) >> 2)) +#define R128CCE2(p) R128CCE((p)) +#define R128CCE3(p,n) R128CCE((p) | ((n) << 16)) + +#define R128CCE_SUBMIT_PACKET() \ +do { \ + r128SubmitPacketLocked( r128ctx, r128ctx->CCEbuf, r128ctx->CCEcount ); \ + r128ctx->CCEcount = 0; \ +} while (0) + +static __inline void r128SubmitPacketLocked( r128ContextPtr r128ctx, + CARD32 *buf, GLuint count ) +{ + CARD32 *b; + int c = count; + int fd = r128ctx->r128Screen->driScreen->fd; + int to = 0; + int ret; + + do { + b = buf + (count - c); + ret = drmR128SubmitPacket( fd, b, &c, 0 ); + } while ( ( ret == -EBUSY ) && ( to++ < r128ctx->CCEtimeout ) ); + + if ( ret < 0 ) { + drmR128EngineReset( fd ); + fprintf( stderr, "Error: Could not submit packet... exiting\n" ); + exit( -1 ); + } +} + +static __inline void r128WaitForIdleLocked( r128ContextPtr r128ctx ) +{ + int fd = r128ctx->r128Screen->driScreen->fd; + int to = 0; + int ret; + + drmR128EngineFlush( fd ); + + do { + ret = drmR128WaitForIdle( fd ); + } while ( ( ret == -EBUSY ) && ( to++ < r128ctx->CCEtimeout ) ); + + if ( ret < 0 ) { + drmR128EngineReset( fd ); + fprintf( stderr, "Error: Rage 128 timed out... exiting\n" ); + exit( -1 ); + } +} + +#define r128WaitForIdle( r128ctx ) \ +do { \ + LOCK_HARDWARE( r128ctx ); \ + r128WaitForIdleLocked( r128ctx ); \ + UNLOCK_HARDWARE( r128ctx ); \ +} while (0) + + +extern CARD32 *r128AllocVertexDwords( r128ContextPtr r128ctx, int dwords ); +extern void r128FlushVerticesLocked( r128ContextPtr r128ctx ); + +typedef void (*r128_fire_vertices_func)( r128ContextPtr r128ctx ); +extern r128_fire_vertices_func r128FireVerticesLocked; + +#define r128FlushVertices( r128ctx ) \ +do { \ + LOCK_HARDWARE( r128ctx ); \ + r128FlushVerticesLocked( r128ctx ); \ + UNLOCK_HARDWARE( r128ctx ); \ +} while (0) + + +extern void r128GetEltBufLocked( r128ContextPtr r128ctx ); +extern void r128FlushEltsLocked( r128ContextPtr r128ctx ); +extern void r128FireEltsLocked( r128ContextPtr r128ctx, + GLuint num_elts, GLuint discard ); +extern void r128ReleaseBufLocked( r128ContextPtr r128ctx, drmBufPtr buffer ); + +#define r128FlushElts( r128ctx ) \ +do { \ + LOCK_HARDWARE( r128ctx ); \ + r128FlushEltsLocked( r128ctx ); \ + UNLOCK_HARDWARE( r128ctx ); \ +} while (0) + + +extern void r128InitVertexBuffers( r128ScreenPtr r128scrn ); + +#endif +#endif /* _R128_CCE_H_ */ |