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authorJosé Fonseca <jrfonseca@tungstengraphics.com>2008-02-15 17:35:24 +0900
committerJosé Fonseca <jrfonseca@tungstengraphics.com>2008-02-15 17:45:40 +0900
commitb642730be93149baa7556e5791393168ab396175 (patch)
tree67d174be5d4814261b93bc8b20c027a26d1c3d06 /src/gallium/winsys/dri/intel/intel_batchbuffer.h
parent4593be34b2a6e494f0e476c8aa8e1d2633fffd47 (diff)
Code reorganization: move files into their places.
This is in a separate commit to ensure renames are properly preserved.
Diffstat (limited to 'src/gallium/winsys/dri/intel/intel_batchbuffer.h')
-rw-r--r--src/gallium/winsys/dri/intel/intel_batchbuffer.h149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/gallium/winsys/dri/intel/intel_batchbuffer.h b/src/gallium/winsys/dri/intel/intel_batchbuffer.h
new file mode 100644
index 0000000000..82feafa21f
--- /dev/null
+++ b/src/gallium/winsys/dri/intel/intel_batchbuffer.h
@@ -0,0 +1,149 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef INTEL_BATCHBUFFER_H
+#define INTEL_BATCHBUFFER_H
+
+#include "pipe/p_compiler.h"
+#include "dri_bufmgr.h"
+
+struct intel_context;
+
+#define BATCH_SZ 16384
+#define BATCH_RESERVED 16
+
+#define MAX_RELOCS 4096
+
+#define INTEL_BATCH_NO_CLIPRECTS 0x1
+#define INTEL_BATCH_CLIPRECTS 0x2
+
+struct buffer_reloc
+{
+ struct _DriBufferObject *buf;
+ uint offset;
+ uint delta; /* not needed? */
+};
+
+struct intel_batchbuffer
+{
+ struct bufmgr *bm;
+ struct intel_context *intel;
+
+ struct _DriBufferObject *buffer;
+ struct _DriFenceObject *last_fence;
+ uint flags;
+
+ drmBOList list;
+ uint list_count;
+ ubyte *map;
+ ubyte *ptr;
+
+ struct buffer_reloc reloc[MAX_RELOCS];
+ uint nr_relocs;
+ uint size;
+};
+
+struct intel_batchbuffer *intel_batchbuffer_alloc(struct intel_context *intel);
+
+void intel_batchbuffer_free(struct intel_batchbuffer *batch);
+
+
+void intel_batchbuffer_finish(struct intel_batchbuffer *batch);
+
+struct _DriFenceObject *intel_batchbuffer_flush(struct intel_batchbuffer
+ *batch);
+
+void intel_batchbuffer_reset(struct intel_batchbuffer *batch);
+
+
+/* Unlike bmBufferData, this currently requires the buffer be mapped.
+ * Consider it a convenience function wrapping multiple
+ * intel_buffer_dword() calls.
+ */
+void intel_batchbuffer_data(struct intel_batchbuffer *batch,
+ const void *data, uint bytes, uint flags);
+
+void intel_batchbuffer_release_space(struct intel_batchbuffer *batch,
+ uint bytes);
+
+boolean intel_batchbuffer_emit_reloc(struct intel_batchbuffer *batch,
+ struct _DriBufferObject *buffer,
+ uint flags,
+ uint mask, uint offset);
+
+/* Inline functions - might actually be better off with these
+ * non-inlined. Certainly better off switching all command packets to
+ * be passed as structs rather than dwords, but that's a little bit of
+ * work...
+ */
+static INLINE uint
+intel_batchbuffer_space(struct intel_batchbuffer *batch)
+{
+ return (batch->size - BATCH_RESERVED) - (batch->ptr - batch->map);
+}
+
+
+static INLINE void
+intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch, uint dword)
+{
+ assert(batch->map);
+ assert(intel_batchbuffer_space(batch) >= 4);
+ *(uint *) (batch->ptr) = dword;
+ batch->ptr += 4;
+}
+
+static INLINE void
+intel_batchbuffer_require_space(struct intel_batchbuffer *batch,
+ uint sz, uint flags)
+{
+ assert(sz < batch->size - 8);
+ if (intel_batchbuffer_space(batch) < sz ||
+ (batch->flags != 0 && flags != 0 && batch->flags != flags))
+ intel_batchbuffer_flush(batch);
+
+ batch->flags |= flags;
+}
+
+/* Here are the crusty old macros, to be removed:
+ */
+#define BATCH_LOCALS
+
+#define BEGIN_BATCH(n, flags) do { \
+ intel_batchbuffer_require_space(intel->batch, (n)*4, flags); \
+} while (0)
+
+#define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel->batch, d)
+
+#define OUT_RELOC(buf,flags,mask,delta) do { \
+ assert((delta) >= 0); \
+ intel_batchbuffer_emit_reloc(intel->batch, buf, flags, mask, delta); \
+} while (0)
+
+#define ADVANCE_BATCH() do { } while(0)
+
+
+#endif