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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 SAVAGE_IOCTL_H
#define SAVAGE_IOCTL_H
#include "savagecontext.h"
#include "savagedma.h"
void savageGetGeneralDmaBufferLocked( savageContextPtr mmesa );
void savageFlushVertices( savageContextPtr mmesa );
void savageFlushVerticesLocked( savageContextPtr mmesa );
void savageFlushGeneralLocked( savageContextPtr imesa );
void savageWaitAgeLocked( savageContextPtr imesa, int age );
void savageWaitAge( savageContextPtr imesa, int age );
void savageDmaFinish( savageContextPtr imesa );
void savageRegetLockQuiescent( savageContextPtr imesa );
void savageDDInitIoctlFuncs( GLcontext *ctx );
void savageSwapBuffers( __DRIdrawablePrivate *dPriv );
int savage_check_copy(int fd);
extern GLboolean (*savagePagePending)( savageContextPtr imesa );
extern void (*savageWaitForFIFO)( savageContextPtr imesa, unsigned count );
extern void (*savageWaitIdleEmpty)( savageContextPtr imesa );
#define PAGE_PENDING(result) do { \
result = savagePagePending(imesa); \
} while (0)
#define WAIT_FOR_FIFO(count) do { \
savageWaitForFIFO(imesa, count); \
} while (0)
#define WAIT_IDLE_EMPTY do { \
savageWaitIdleEmpty(imesa); \
} while (0)
#if SAVAGE_CMD_DMA
int savageAllocDMABuffer(savageContextPtr imesa, drm_savage_alloc_cont_mem_t *req);
GLuint savageGetPhyAddress(savageContextPtr imesa,void * pointer);
int savageFreeDMABuffer(savageContextPtr, drm_savage_alloc_cont_mem_t*);
#endif
#define FLUSH_BATCH(imesa) do { \
if (imesa->vertex_dma_buffer) savageFlushVertices(imesa); \
} while (0)
static __inline
u_int32_t *savageAllocDmaLow( savageContextPtr imesa, GLuint bytes )
{
u_int32_t *head;
if (!imesa->vertex_dma_buffer) {
LOCK_HARDWARE(imesa);
imesa->vertex_dma_buffer = savageFakeGetBuffer (imesa);
UNLOCK_HARDWARE(imesa);
} else if (imesa->vertex_dma_buffer->used + bytes >
imesa->vertex_dma_buffer->total) {
LOCK_HARDWARE(imesa);
savageFlushVerticesLocked( imesa );
imesa->vertex_dma_buffer = savageFakeGetBuffer (imesa);
UNLOCK_HARDWARE(imesa);
}
head = (u_int32_t *)((u_int8_t *)imesa->vertex_dma_buffer->address +
imesa->vertex_dma_buffer->used);
imesa->vertex_dma_buffer->used += bytes;
return head;
}
#endif
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