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@@ -1,291 +0,0 @@ |
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/* |
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* Copyright 2000-2001 VA Linux Systems, Inc. |
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* All Rights Reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* on the rights to use, copy, modify, merge, publish, distribute, sub |
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* license, and/or sell copies of the Software, and to permit persons to whom |
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* the Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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* OTHER DEALINGS IN THE SOFTWARE. |
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* |
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* Authors: |
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* Keith Whitwell <keith@tungstengraphics.com> |
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*/ |
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/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgabuffers.c,v 1.13 2002/11/05 17:46:08 tsi Exp $ */ |
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#include <stdio.h> |
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#include "mgacontext.h" |
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#include "mgabuffers.h" |
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#include "mgastate.h" |
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#include "mgaioctl.h" |
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#include "mgatris.h" |
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static void mgaXMesaSetFrontClipRects( mgaContextPtr mmesa ) |
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{ |
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__DRIdrawablePrivate *driDrawable = mmesa->driDrawable; |
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/* fprintf( stderr, "%s\n", __FUNCTION__ );*/ |
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if (driDrawable->numClipRects == 0) { |
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static XF86DRIClipRectRec zeroareacliprect = {0,0,0,0}; |
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mmesa->numClipRects = 1; |
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mmesa->pClipRects = &zeroareacliprect; |
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} else { |
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mmesa->numClipRects = driDrawable->numClipRects; |
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mmesa->pClipRects = driDrawable->pClipRects; |
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} |
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mmesa->drawX = driDrawable->x; |
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mmesa->drawY = driDrawable->y; |
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mmesa->setup.dstorg = mmesa->drawOffset; |
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mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS; |
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} |
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static void mgaXMesaSetBackClipRects( mgaContextPtr mmesa ) |
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{ |
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__DRIdrawablePrivate *driDrawable = mmesa->driDrawable; |
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/* fprintf( stderr, "%s\n", __FUNCTION__ );*/ |
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if (driDrawable->numBackClipRects == 0) |
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{ |
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if (driDrawable->numClipRects == 0) { |
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static XF86DRIClipRectRec zeroareacliprect = {0,0,0,0}; |
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mmesa->numClipRects = 1; |
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mmesa->pClipRects = &zeroareacliprect; |
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} else { |
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mmesa->numClipRects = driDrawable->numClipRects; |
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mmesa->pClipRects = driDrawable->pClipRects; |
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} |
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mmesa->drawX = driDrawable->x; |
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mmesa->drawY = driDrawable->y; |
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} else { |
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mmesa->numClipRects = driDrawable->numBackClipRects; |
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mmesa->pClipRects = driDrawable->pBackClipRects; |
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mmesa->drawX = driDrawable->backX; |
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mmesa->drawY = driDrawable->backY; |
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} |
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mmesa->setup.dstorg = mmesa->drawOffset; |
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mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS; |
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} |
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#if 0 |
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static void mgaUpdateRectsFromSarea( mgaContextPtr mmesa ) |
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{ |
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__DRIdrawablePrivate *driDrawable = mmesa->driDrawable; |
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__DRIscreenPrivate *driScreen = mmesa->driScreen; |
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MGASAREAPrivPtr sarea = mmesa->sarea; |
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int i = 0, top = 0; |
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if (sarea->exported_buffers & MGA_BACK) { |
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driDrawable->numBackClipRects = sarea->exported_nback; |
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driDrawable->pBackClipRects = mmesa->tmp_boxes[0]; |
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top = sarea->exported_nback; |
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for (i = 0 ; i < top ; i++) |
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driDrawable->pBackClipRects[i] = |
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*(XF86DRIClipRectPtr)&(sarea->exported_boxes[i]); |
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} |
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if (sarea->exported_buffers & MGA_FRONT) |
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{ |
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int start = top; |
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driDrawable->numClipRects = sarea->exported_nfront; |
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driDrawable->pClipRects = mmesa->tmp_boxes[1]; |
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top += sarea->exported_nfront; |
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for ( ; i < top ; i++) |
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driDrawable->pClipRects[i-start] = |
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*(XF86DRIClipRectPtr)&(sarea->exported_boxes[i]); |
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} |
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driDrawable->index = sarea->exported_index; |
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driDrawable->lastStamp = sarea->exported_stamp; |
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driDrawable->x = sarea->exported_front_x; |
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driDrawable->y = sarea->exported_front_y; |
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driDrawable->backX = sarea->exported_back_x; |
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driDrawable->backY = sarea->exported_back_y; |
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driDrawable->w = sarea->exported_w; |
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driDrawable->h = sarea->exported_h; |
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driDrawable->pStamp = |
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&(driScreen->pSAREA->drawableTable[driDrawable->index].stamp); |
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mmesa->dirty_cliprects = (MGA_FRONT|MGA_BACK) & ~(sarea->exported_buffers); |
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} |
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#endif |
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#if 0 |
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static void printSareaRects( mgaContextPtr mmesa ) |
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{ |
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__DRIscreenPrivate *driScreen = mmesa->driScreen; |
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MGASAREAPrivPtr sarea = mmesa->sarea; |
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int i; |
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fprintf(stderr, "sarea->exported: %d\n", sarea->exported_drawable); |
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fprintf(stderr, "sarea->exported_index: %d\n", sarea->exported_index); |
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fprintf(stderr, "sarea->exported_stamp: %d\n", sarea->exported_stamp); |
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fprintf(stderr, "sarea->exported_front_x: %d\n", sarea->exported_front_x); |
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fprintf(stderr, "sarea->exported_front_y: %d\n", sarea->exported_front_y); |
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fprintf(stderr, "sarea->exported_back_x: %d\n", sarea->exported_back_x); |
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fprintf(stderr, "sarea->exported_back_y: %d\n", sarea->exported_back_y); |
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fprintf(stderr, "sarea->exported_w: %d\n", sarea->exported_w); |
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fprintf(stderr, "sarea->exported_h: %d\n", sarea->exported_h); |
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fprintf(stderr, "sarea->exported_buffers: %d\n", sarea->exported_buffers); |
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fprintf(stderr, "sarea->exported_nfront: %d\n", sarea->exported_nfront); |
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fprintf(stderr, "sarea->exported_nback: %d\n", sarea->exported_nback); |
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i = 0; |
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if (sarea->exported_buffers & MGA_BACK) |
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for ( ; i < sarea->exported_nback ; i++) |
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fprintf(stderr, "back %d: %d,%d-%d,%d\n", i, |
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sarea->exported_boxes[i].x1, sarea->exported_boxes[i].y1, |
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sarea->exported_boxes[i].x2, sarea->exported_boxes[i].y2); |
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if (sarea->exported_buffers & MGA_FRONT) { |
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int start = i; |
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int top = i + sarea->exported_nfront; |
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for ( ; i < top ; i++) |
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fprintf(stderr, "front %d: %d,%d-%d,%d\n", |
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i - start, |
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sarea->exported_boxes[i].x1, sarea->exported_boxes[i].y1, |
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sarea->exported_boxes[i].x2, sarea->exported_boxes[i].y2); |
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} |
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fprintf(stderr, "drawableTable[%d].stamp: %d\n", |
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sarea->exported_index, |
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driScreen->pSAREA->drawableTable[sarea->exported_index].stamp); |
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} |
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static void printMmesaRects( mgaContextPtr mmesa ) |
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{ |
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__DRIscreenPrivate *driScreen = mmesa->driScreen; |
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__DRIdrawablePrivate *driDrawable = mmesa->driDrawable; |
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int nr = mmesa->numClipRects; |
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int i; |
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fprintf(stderr, "driDrawable->draw: %ld\n", driDrawable->draw); |
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fprintf(stderr, "driDrawable->index: %d\n", driDrawable->index); |
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fprintf(stderr, "driDrawable->lastStamp: %d\n", driDrawable->lastStamp); |
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fprintf(stderr, "mmesa->drawX: %d\n", mmesa->drawX); |
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fprintf(stderr, "mmesa->drawY: %d\n", mmesa->drawY); |
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fprintf(stderr, "driDrawable->w: %d\n", driDrawable->w); |
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fprintf(stderr, "driDrawable->h: %d\n", driDrawable->h); |
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for (i = 0 ; i < nr ; i++) |
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fprintf(stderr, "box %d: %d,%d-%d,%d\n", i, |
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mmesa->pClipRects[i].x1, mmesa->pClipRects[i].y1, |
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mmesa->pClipRects[i].x2, mmesa->pClipRects[i].y2); |
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fprintf(stderr, "mmesa->draw_buffer: %d\n", mmesa->draw_buffer); |
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fprintf(stderr, "drawableTable[%d].stamp: %d\n", |
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driDrawable->index, |
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driScreen->pSAREA->drawableTable[driDrawable->index].stamp); |
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} |
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#endif |
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void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers ) |
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{ |
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__DRIdrawablePrivate *driDrawable = mmesa->driDrawable; |
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MGASAREAPrivPtr sarea = mmesa->sarea; |
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/* fprintf(stderr, "%s\n", __FUNCTION__);*/ |
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DRI_VALIDATE_DRAWABLE_INFO(driScreen, driDrawable); |
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mmesa->dirty_cliprects = 0; |
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if (mmesa->draw_buffer == MGA_FRONT) |
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mgaXMesaSetFrontClipRects( mmesa ); |
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else |
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mgaXMesaSetBackClipRects( mmesa ); |
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#if 0 |
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printMmesaRects(mmesa); |
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#endif |
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sarea->req_draw_buffer = mmesa->draw_buffer; |
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mgaUpdateClipping( mmesa->glCtx ); |
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mgaCalcViewport( mmesa->glCtx ); |
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mmesa->dirty |= MGA_UPLOAD_CLIPRECTS; |
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} |
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void mgaDDSetReadBuffer(GLcontext *ctx, GLenum mode ) |
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{ |
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mgaContextPtr mmesa = MGA_CONTEXT(ctx); |
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if (mode == GL_FRONT_LEFT) |
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{ |
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mmesa->readOffset = mmesa->mgaScreen->frontOffset; |
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mmesa->read_buffer = MGA_FRONT; |
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} |
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else |
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{ |
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mmesa->readOffset = mmesa->mgaScreen->backOffset; |
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mmesa->read_buffer = MGA_BACK; |
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} |
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} |
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void mgaDDSetDrawBuffer(GLcontext *ctx, GLenum mode ) |
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{ |
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mgaContextPtr mmesa = MGA_CONTEXT(ctx); |
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FLUSH_BATCH( MGA_CONTEXT(ctx) ); |
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/* fprintf( stderr, "%s %d\n", __FUNCTION__, mode);*/ |
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/* |
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* _DrawDestMask is easier to cope with than <mode>. |
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*/ |
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switch ( ctx->Color._DrawDestMask ) { |
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case FRONT_LEFT_BIT: |
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mmesa->drawOffset = mmesa->mgaScreen->frontOffset; |
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mmesa->readOffset = mmesa->mgaScreen->frontOffset; |
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mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset; |
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mmesa->dirty |= MGA_UPLOAD_CONTEXT; |
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mmesa->draw_buffer = MGA_FRONT; |
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mgaXMesaSetFrontClipRects( mmesa ); |
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FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE ); |
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break; |
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case BACK_LEFT_BIT: |
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mmesa->drawOffset = mmesa->mgaScreen->backOffset; |
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mmesa->readOffset = mmesa->mgaScreen->backOffset; |
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mmesa->setup.dstorg = mmesa->mgaScreen->backOffset; |
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mmesa->draw_buffer = MGA_BACK; |
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mmesa->dirty |= MGA_UPLOAD_CONTEXT; |
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mgaXMesaSetBackClipRects( mmesa ); |
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FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE ); |
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break; |
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default: |
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FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE ); |
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break; |
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} |
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} |
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