diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_flush.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_flush.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_flush.c b/src/gallium/drivers/i965simple/brw_flush.c new file mode 100644 index 0000000..5216c68 --- /dev/null +++ b/src/gallium/drivers/i965simple/brw_flush.c @@ -0,0 +1,80 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* Author: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +#include "pipe/p_defines.h" +#include "brw_context.h" +#include "brw_defines.h" +#include "brw_batch.h" + + +/** + * In future we may want a fence-like interface instead of finish. + */ +static void brw_flush( struct pipe_context *pipe, + unsigned flags ) +{ + struct brw_context *brw = brw_context(pipe); + struct pipe_fence_handle *fence; + + /* Do we need to emit an MI_FLUSH command to flush the hardware + * caches? + */ + if (flags & (PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_TEXTURE_CACHE)) { + struct brw_mi_flush flush; + + memset(&flush, 0, sizeof(flush)); + flush.opcode = CMD_MI_FLUSH; + + if (!(flags & PIPE_FLUSH_RENDER_CACHE)) + flush.flags |= BRW_INHIBIT_FLUSH_RENDER_CACHE; + + if (flags & PIPE_FLUSH_TEXTURE_CACHE) + flush.flags |= BRW_FLUSH_READ_CACHE; + + BRW_BATCH_STRUCT(brw, &flush); + } + + /* If there are no flags, just flush pending commands to hardware: + */ + FLUSH_BATCH( &fence ); + + if (flags & PIPE_FLUSH_WAIT) { +// brw->winsys->wait_fence(brw->winsys, fence); + } +} + + + +void brw_init_flush_functions( struct brw_context *brw ) +{ + brw->pipe.flush = brw_flush; +} |