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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 _VIAIOCTL_H
#define _VIAIOCTL_H
#include "via_context.h"
void viaEmitPrim(viaContextPtr vmesa);
void viaFlushPrims(viaContextPtr vmesa);
void viaFlushPrimsLocked(viaContextPtr vmesa);
void viaInitIoctlFuncs(GLcontext *ctx);
void viaCopyBuffer(const __DRIdrawablePrivate *dpriv);
void viaPageFlip(const __DRIdrawablePrivate *dpriv);
int via_check_copy(int fd);
void viaFillFrontBuffer(viaContextPtr vmesa);
void viaFillFrontPBuffer(viaContextPtr vmesa);
void viaFillBackBuffer(viaContextPtr vmesa);
void viaFillDepthBuffer(viaContextPtr vmesa, GLuint pixel, GLuint mask);
void viaDoSwapBuffers(viaContextPtr vmesa);
void viaDoSwapPBuffers(viaContextPtr vmesa);
int flush_agp(viaContextPtr vmesa, drm_via_flush_agp_t* agpCmd);
int flush_sys(viaContextPtr vmesa, drm_via_flush_sys_t* buf);
#define VIA_FIREVERTICES(vmesa) \
do { \
if (vmesa->dmaLow != DMA_OFFSET) { \
viaFlushPrims(vmesa); \
} \
} while (0)
static __inline GLuint *viaCheckDma(viaContextPtr vmesa, int bytes)
{
if (vmesa->dmaLow + bytes > vmesa->dmaHigh) {
if (VIA_DEBUG) fprintf(stderr, "buffer overflow in check dma = %d + %d = %d\n",
vmesa->dmaLow, bytes, vmesa->dmaLow + bytes);
viaFlushPrims(vmesa);
}
{
GLuint *start = (GLuint *)(vmesa->dmaAddr + vmesa->dmaLow);
return start;
}
}
#endif
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