| /* |
| Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. |
| |
| The Weather Channel (TM) funded Tungsten Graphics to develop the |
| initial release of the Radeon 8500 driver under the XFree86 license. |
| This notice must be preserved. |
| |
| 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, sublicense, 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 NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. |
| |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| #include <sched.h> |
| #include <errno.h> |
| |
| #include "main/glheader.h" |
| #include "main/imports.h" |
| #include "main/macros.h" |
| #include "main/context.h" |
| #include "swrast/swrast.h" |
| |
| |
| |
| #include "radeon_common.h" |
| #include "r200_context.h" |
| #include "r200_ioctl.h" |
| #include "radeon_reg.h" |
| |
| #define R200_TIMEOUT 512 |
| #define R200_IDLE_RETRY 16 |
| |
| /* ================================================================ |
| * Buffer clear |
| */ |
| static void r200Clear( struct gl_context *ctx, GLbitfield mask ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| GLuint hwmask, swmask; |
| GLuint hwbits = BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT | |
| BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL | |
| BUFFER_BIT_COLOR0; |
| |
| if ( R200_DEBUG & RADEON_IOCTL ) { |
| if (rmesa->radeon.sarea) |
| fprintf( stderr, "r200Clear %x %d\n", mask, rmesa->radeon.sarea->pfCurrentPage); |
| else |
| fprintf( stderr, "r200Clear %x radeon->sarea is NULL\n", mask); |
| } |
| |
| radeonFlush( ctx ); |
| |
| hwmask = mask & hwbits; |
| swmask = mask & ~hwbits; |
| |
| if ( swmask ) { |
| if (R200_DEBUG & RADEON_FALLBACKS) |
| fprintf(stderr, "%s: swrast clear, mask: %x\n", __FUNCTION__, swmask); |
| _swrast_Clear( ctx, swmask ); |
| } |
| |
| if ( !hwmask ) |
| return; |
| |
| radeonUserClear(ctx, hwmask); |
| } |
| |
| |
| void r200InitIoctlFuncs( struct dd_function_table *functions ) |
| { |
| functions->Clear = r200Clear; |
| functions->Finish = radeonFinish; |
| functions->Flush = radeonFlush; |
| } |
| |