89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/*
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Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
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The Weather Channel (TM) funded Tungsten Graphics to develop the
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initial release of the Radeon 8500 driver under the XFree86 license.
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This notice must be preserved.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial
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portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/*
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* Authors:
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* Keith Whitwell <keithw@vmware.com>
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*/
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#include <sched.h>
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#include <errno.h>
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#include "main/glheader.h"
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#include "main/macros.h"
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#include "main/context.h"
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#include "swrast/swrast.h"
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#include "radeon_common.h"
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#include "r200_context.h"
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#include "r200_ioctl.h"
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#include "radeon_reg.h"
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#define R200_TIMEOUT 512
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#define R200_IDLE_RETRY 16
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/* ================================================================
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* Buffer clear
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*/
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static void r200Clear( struct gl_context *ctx, GLbitfield mask )
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{
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GLuint hwmask, swmask;
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GLuint hwbits = BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT |
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BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL |
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BUFFER_BIT_COLOR0;
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radeonFlush( ctx, 0 );
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hwmask = mask & hwbits;
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swmask = mask & ~hwbits;
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if ( swmask ) {
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if (R200_DEBUG & RADEON_FALLBACKS)
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fprintf(stderr, "%s: swrast clear, mask: %x\n", __func__, swmask);
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_swrast_Clear( ctx, swmask );
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}
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if ( !hwmask )
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return;
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radeonUserClear(ctx, hwmask);
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}
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void r200InitIoctlFuncs( struct dd_function_table *functions )
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{
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functions->Clear = r200Clear;
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functions->Finish = radeonFinish;
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functions->Flush = radeonFlush;
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}
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