diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2007-08-08 16:42:01 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2007-08-09 11:23:18 +0100 |
commit | 93d5cfd8b7c641c5656aed38ad2f9559e09502f0 (patch) | |
tree | 5f105eea612826cd4b34f78bc5a8c3f910a3ab7f /src/mesa/pipe/i915simple/i915_flush.c | |
parent | d0521ebd516617f4471279e69af5dc0f4e4992af (diff) |
Add flush/finish functionality to pipe.
Not sure if finish() is the right interface yet.
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_flush.c')
-rw-r--r-- | src/mesa/pipe/i915simple/i915_flush.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/mesa/pipe/i915simple/i915_flush.c b/src/mesa/pipe/i915simple/i915_flush.c new file mode 100644 index 0000000000..1cf945e9a2 --- /dev/null +++ b/src/mesa/pipe/i915simple/i915_flush.c @@ -0,0 +1,82 @@ +/************************************************************************** + * + * 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 "i915_context.h" +#include "i915_reg.h" +#include "i915_batch.h" + +/* There will be actual work to do here. In future we may want a + * fence-like interface instead of finish, and perhaps flush will take + * flags to indicate what type of flush is required. + */ +static void i915_flush( struct pipe_context *pipe, + unsigned flags ) +{ + struct i915_context *i915 = i915_context(pipe); + + /* Do we need to emit an MI_FLUSH command to flush the hardware + * caches? + */ + if (flags) { + unsigned flush = MI_FLUSH; + + if (!(flags & PIPE_FLUSH_RENDER_CACHE)) + flush |= INHIBIT_FLUSH_RENDER_CACHE; + + if (flags & PIPE_FLUSH_TEXTURE_CACHE) + flush |= FLUSH_MAP_CACHE; + + BEGIN_BATCH( 1, 0 ); + OUT_BATCH( flush ); + ADVANCE_BATCH(); + } + + /* If there are no flags, just flush pending commands to hardware: + */ + FLUSH_BATCH(); +} + +static void i915_finish(struct pipe_context *pipe) +{ + struct i915_context *i915 = i915_context(pipe); + + i915_flush( pipe, 0 ); + i915->winsys->batch_wait_idle( i915->winsys ); +} + + +void i915_init_flush_functions( struct i915_context *i915 ) +{ + i915->pipe.flush = i915_flush; + i915->pipe.finish = i915_finish; +} |