summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/i915simple/i915_winsys.h
diff options
context:
space:
mode:
authorBrian Paul <[email protected]>2009-02-09 09:22:22 -0700
committerBrian Paul <[email protected]>2009-02-09 09:22:22 -0700
commite97681c7f551a2a2a6bd5eff0f4192a870c816c0 (patch)
treedff2bf0e6d22efb92af131f64be0621ed316977c /src/gallium/drivers/i915simple/i915_winsys.h
parent1a46c8a062aea59de5cf55881104489db5d609e5 (diff)
parentb907d4cd8fafe719b4f87d877562829548937485 (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.h121
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