From 263581bba4d61291c54313648063a30c47106f0b Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Sun, 22 Feb 2004 16:11:12 +0000 Subject: Imported the Savage DRI driver from the savage-2-0-0-branch of DRI CVS with modifications to make it work with current Mesa 6. --- src/mesa/drivers/dri/savage/savagedma.h | 50 +++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 src/mesa/drivers/dri/savage/savagedma.h (limited to 'src/mesa/drivers/dri/savage/savagedma.h') diff --git a/src/mesa/drivers/dri/savage/savagedma.h b/src/mesa/drivers/dri/savage/savagedma.h new file mode 100644 index 0000000000..2945685846 --- /dev/null +++ b/src/mesa/drivers/dri/savage/savagedma.h @@ -0,0 +1,50 @@ +/* + * 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 -- cgit v1.2.3