diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_ioctl.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_ioctl.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_ioctl.c b/src/mesa/drivers/dri/i965/intel_ioctl.c new file mode 100644 index 0000000000..9297543f82 --- /dev/null +++ b/src/mesa/drivers/dri/i965/intel_ioctl.c @@ -0,0 +1,182 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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. + * + **************************************************************************/ + + +#include <stdio.h> +#include <unistd.h> +#include <errno.h> +#include <sched.h> + +#include "mtypes.h" +#include "context.h" +#include "swrast/swrast.h" + +#include "intel_context.h" +#include "intel_ioctl.h" +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_regions.h" +#include "drm.h" +#include "bufmgr.h" + + +int intelEmitIrqLocked( struct intel_context *intel ) +{ + int seq = 1; + + if (!intel->no_hw) { + drmI830IrqEmit ie; + int ret; + + assert(((*(int *)intel->driHwLock) & ~DRM_LOCK_CONT) == + (DRM_LOCK_HELD|intel->hHWContext)); + + ie.irq_seq = &seq; + + ret = drmCommandWriteRead( intel->driFd, DRM_I830_IRQ_EMIT, + &ie, sizeof(ie) ); + if ( ret ) { + fprintf( stderr, "%s: drmI830IrqEmit: %d\n", __FUNCTION__, ret ); + exit(1); + } + + if (0) + fprintf(stderr, "%s --> %d\n", __FUNCTION__, seq ); + } + + return seq; +} + +void intelWaitIrq( struct intel_context *intel, int seq ) +{ + if (!intel->no_hw) { + drmI830IrqWait iw; + int ret; + + if (0) + fprintf(stderr, "%s %d\n", __FUNCTION__, seq ); + + iw.irq_seq = seq; + + do { + ret = drmCommandWrite( intel->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw) ); + + /* This seems quite often to return before it should!?! + */ + } while (ret == -EAGAIN || ret == -EINTR || (ret == 0 && seq > intel->sarea->last_dispatch)); + + + if ( ret ) { + fprintf( stderr, "%s: drmI830IrqWait: %d\n", __FUNCTION__, ret ); + + if (intel->aub_file) { + intel->vtbl.aub_dump_bmp( intel, intel->ctx.Visual.doubleBufferMode ? 1 : 0 ); + } + + exit(1); + } + } +} + + +void intel_batch_ioctl( struct intel_context *intel, + GLuint start_offset, + GLuint used, + GLboolean ignore_cliprects) +{ + drmI830BatchBuffer batch; + + assert(intel->locked); + assert(used); + + if (0) + fprintf(stderr, "%s used %d offset %x..%x ignore_cliprects %d\n", + __FUNCTION__, + used, + start_offset, + start_offset + used, + ignore_cliprects); + + batch.start = start_offset; + batch.used = used; + batch.cliprects = intel->pClipRects; + batch.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects; + batch.DR1 = 0; + batch.DR4 = ((((GLuint)intel->drawX) & 0xffff) | + (((GLuint)intel->drawY) << 16)); + + if (INTEL_DEBUG & DEBUG_DMA) + fprintf(stderr, "%s: 0x%x..0x%x DR4: %x cliprects: %d\n", + __FUNCTION__, + batch.start, + batch.start + batch.used * 4, + batch.DR4, batch.num_cliprects); + + if (!intel->no_hw) { + if (drmCommandWrite (intel->driFd, DRM_I830_BATCHBUFFER, &batch, + sizeof(batch))) { + fprintf(stderr, "DRM_I830_BATCHBUFFER: %d\n", -errno); + UNLOCK_HARDWARE(intel); + exit(1); + } + } +} + +void intel_cmd_ioctl( struct intel_context *intel, + char *buf, + GLuint used, + GLboolean ignore_cliprects) +{ + drmI830CmdBuffer cmd; + + assert(intel->locked); + assert(used); + + cmd.buf = buf; + cmd.sz = used; + cmd.cliprects = intel->pClipRects; + cmd.num_cliprects = ignore_cliprects ? 0 : intel->numClipRects; + cmd.DR1 = 0; + cmd.DR4 = ((((GLuint)intel->drawX) & 0xffff) | + (((GLuint)intel->drawY) << 16)); + + if (INTEL_DEBUG & DEBUG_DMA) + fprintf(stderr, "%s: 0x%x..0x%x DR4: %x cliprects: %d\n", + __FUNCTION__, + 0, + 0 + cmd.sz, + cmd.DR4, cmd.num_cliprects); + + if (!intel->no_hw) { + if (drmCommandWrite (intel->driFd, DRM_I830_CMDBUFFER, &cmd, + sizeof(cmd))) { + fprintf(stderr, "DRM_I830_CMDBUFFER: %d\n", -errno); + UNLOCK_HARDWARE(intel); + exit(1); + } + } +} |