diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h new file mode 100644 index 000000000..d5d95aa8f --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_ioctl.h @@ -0,0 +1,135 @@ +/* + * 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 viaFinishPrimitive(struct via_context *vmesa); +void viaFlushDma(struct via_context *vmesa); +void viaFlushDmaLocked(struct via_context *vmesa, GLuint flags); + +void viaInitIoctlFuncs(GLcontext *ctx); +void viaCopyBuffer(const __DRIdrawablePrivate *dpriv); +void viaPageFlip(const __DRIdrawablePrivate *dpriv); +void viaCheckDma(struct via_context *vmesa, GLuint bytes); +void viaResetPageFlippingLocked(struct via_context *vmesa); +void viaWaitIdle(struct via_context *vmesa, GLboolean light); +void viaWaitIdleLocked(struct via_context *vmesa, GLboolean light); + +GLboolean viaCheckBreadcrumb( struct via_context *vmesa, GLuint value ); +void viaEmitBreadcrumb( struct via_context *vmesa ); + + +#define VIA_FINISH_PRIM(vmesa) do { \ + if (vmesa->dmaLastPrim) \ + viaFinishPrimitive( vmesa ); \ +} while (0) + +#define VIA_FLUSH_DMA(vmesa) do { \ + VIA_FINISH_PRIM(vmesa); \ + if (vmesa->dmaLow) \ + viaFlushDma(vmesa); \ +} while (0) + + +void viaWrapPrimitive( struct via_context *vmesa ); + +static __inline__ GLuint *viaAllocDma(struct via_context *vmesa, int bytes) +{ + if (vmesa->dmaLow + bytes > VIA_DMA_HIGHWATER) { + viaFlushDma(vmesa); + } + + { + GLuint *start = (GLuint *)(vmesa->dma + vmesa->dmaLow); + vmesa->dmaLow += bytes; + return start; + } +} + + +static GLuint __inline__ *viaExtendPrimitive(struct via_context *vmesa, int bytes) +{ + if (vmesa->dmaLow + bytes > VIA_DMA_HIGHWATER) { + viaWrapPrimitive(vmesa); + } + + { + GLuint *start = (GLuint *)(vmesa->dma + vmesa->dmaLow); + vmesa->dmaLow += bytes; + return start; + } +} + + + + +#define RING_VARS GLuint *_vb = 0, _nr, _x; + +#define BEGIN_RING(n) do { \ + if (_vb != 0) abort(); \ + _vb = viaAllocDma(vmesa, (n) * sizeof(GLuint)); \ + _nr = (n); \ + _x = 0; \ +} while (0) + +#define BEGIN_RING_NOCHECK(n) do { \ + if (_vb != 0) abort(); \ + _vb = (GLuint *)(vmesa->dma + vmesa->dmaLow); \ + vmesa->dmaLow += (n) * sizeof(GLuint); \ + _nr = (n); \ + _x = 0; \ +} while (0) + +#define OUT_RING(n) _vb[_x++] = (n) + +#define ADVANCE_RING() do { \ + if (_x != _nr) abort(); \ + _vb = 0; \ +} while (0) + +#define ADVANCE_RING_VARIABLE() do { \ + if (_x > _nr) abort(); \ + vmesa->dmaLow -= (_nr - _x) * sizeof(GLuint); \ + _vb = 0; \ +} while (0) + + +#define QWORD_PAD_RING() do { \ + if (vmesa->dmaLow & 0x4) { \ + BEGIN_RING(1); \ + OUT_RING(HC_DUMMY); \ + ADVANCE_RING(); \ + } \ +} while (0) + +#define VIA_GEQ_WRAP(left, right) \ + (((left) - (right)) < ( 1 << 23)) + + + +#endif |