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diff --git a/src/mesa/drivers/dri/savage/savagedma.h b/src/mesa/drivers/dri/savage/savagedma.h
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+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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
+ * VIA, S3 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 SAVAGEDMA
+#define SAVAGEDMA
+
+/* Whether use DMA to transfer the 3d commands and data */
+#define SAVAGE_CMD_DMA 0
+
+#define DMA_BUFFER_SIZE (4*1024*1024) /*4M*/
+#define MAX_DMA_BUFFER_SIZE (16*1024*1024)
+#define DMA_PAGE_SIZE (4*1024) /* savage4 , twister, prosavage,...*/
+#define DMA_TRY_COUNT 4
+
+#define MAX_SHADOWCOUNTER (MAX_DMA_BUFFER_SIZE / DMA_PAGE_SIZE)
+typedef struct DMABuffer{
+ drm_savage_alloc_cont_mem_t * buf;
+ GLuint start, end, allocEnd;
+ GLuint usingPage; /*current page */
+ unsigned int kickFlag; /* usingPage is kicked off ?*/
+} DMABuffer_t, * DMABufferPtr;
+
+void *savageDMAAlloc (savageContextPtr imesa, GLuint size);
+void savageDMACommit (savageContextPtr imesa, void *end);
+void savageDMAFlush (savageContextPtr imesa);
+int savageDMAInit (savageContextPtr imesa);
+int savageDMAClose (savageContextPtr);
+#endif