diff options
author | Brian Paul <[email protected]> | 2009-02-09 09:22:22 -0700 |
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committer | Brian Paul <[email protected]> | 2009-02-09 09:22:22 -0700 |
commit | e97681c7f551a2a2a6bd5eff0f4192a870c816c0 (patch) | |
tree | dff2bf0e6d22efb92af131f64be0621ed316977c /src/gallium/drivers/i915simple/i915_winsys.h | |
parent | 1a46c8a062aea59de5cf55881104489db5d609e5 (diff) | |
parent | b907d4cd8fafe719b4f87d877562829548937485 (diff) |
mesa: merge gallium-0.2 into gallium-master-merge
Merge commit 'origin/gallium-0.2' into gallium-master-merge
Conflicts:
Makefile
docs/relnotes-7.4.html
docs/relnotes.html
src/mesa/drivers/dri/i965/brw_wm.h
src/mesa/main/imports.c
src/mesa/main/mtypes.h
src/mesa/main/texcompress.c
src/mesa/main/texenvprogram.c
src/mesa/main/version.h
src/mesa/vbo/vbo_exec_api.c
src/mesa/vbo/vbo_save_draw.c
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_winsys.h')
-rw-r--r-- | src/gallium/drivers/i915simple/i915_winsys.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915simple/i915_winsys.h b/src/gallium/drivers/i915simple/i915_winsys.h new file mode 100644 index 00000000000..81904c2a742 --- /dev/null +++ b/src/gallium/drivers/i915simple/i915_winsys.h @@ -0,0 +1,121 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * \file + * This is the interface that i915simple requires any window system + * hosting it to implement. This is the only include file in i915simple + * which is public. + * + */ + +#ifndef I915_WINSYS_H +#define I915_WINSYS_H + + +#include "pipe/p_defines.h" + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Pipe drivers are (meant to be!) independent of both GL and the + * window system. The window system provides a buffer manager and a + * set of additional hooks for things like command buffer submission, + * etc. + * + * There clearly has to be some agreement between the window system + * driver and the hardware driver about the format of command buffers, + * etc. + */ + +struct i915_batchbuffer; +struct pipe_buffer; +struct pipe_fence_handle; +struct pipe_winsys; +struct pipe_screen; + + +/** + * Additional winsys interface for i915simple. + * + * It is an over-simple batchbuffer mechanism. Will want to improve the + * performance of this, perhaps based on the cmdstream stuff. It + * would be pretty impossible to implement swz on top of this + * interface. + * + * Will also need additions/changes to implement static/dynamic + * indirect state. + */ +struct i915_winsys { + + void (*destroy)( struct i915_winsys *sws ); + + /** + * Get the current batch buffer from the winsys. + */ + struct i915_batchbuffer *(*batch_get)( struct i915_winsys *sws ); + + /** + * Emit a relocation to a buffer. + * + * Used not only when the buffer addresses are not pinned, but also to + * ensure refered buffers will not be destroyed until the current batch + * buffer execution is finished. + * + * The access flags is a combination of I915_BUFFER_ACCESS_WRITE and + * I915_BUFFER_ACCESS_READ macros. + */ + void (*batch_reloc)( struct i915_winsys *sws, + struct pipe_buffer *buf, + unsigned access_flags, + unsigned delta ); + + /** + * Flush the batch. + */ + void (*batch_flush)( struct i915_winsys *sws, + struct pipe_fence_handle **fence ); +}; + +#define I915_BUFFER_ACCESS_WRITE 0x1 +#define I915_BUFFER_ACCESS_READ 0x2 + +#define I915_BUFFER_USAGE_LIT_VERTEX (PIPE_BUFFER_USAGE_CUSTOM << 0) + + +struct pipe_context *i915_create_context( struct pipe_screen *, + struct pipe_winsys *, + struct i915_winsys * ); + +#ifdef __cplusplus +} +#endif + +#endif |