+++ /dev/null
-/*
- * Copyright 2000-2001 VA Linux Systems, 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
- * on 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
- * VA LINUX SYSTEMS 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>
- */
-/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgabuffers.c,v 1.13 2002/11/05 17:46:08 tsi Exp $ */
-
-#include <stdio.h>
-#include "mgacontext.h"
-#include "mgabuffers.h"
-#include "mgastate.h"
-#include "mgaioctl.h"
-#include "mgatris.h"
-
-static void mgaXMesaSetFrontClipRects( mgaContextPtr mmesa )
-{
- __DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
-
-/* fprintf( stderr, "%s\n", __FUNCTION__ );*/
-
- if (driDrawable->numClipRects == 0) {
- static XF86DRIClipRectRec zeroareacliprect = {0,0,0,0};
- mmesa->numClipRects = 1;
- mmesa->pClipRects = &zeroareacliprect;
- } else {
- mmesa->numClipRects = driDrawable->numClipRects;
- mmesa->pClipRects = driDrawable->pClipRects;
- }
- mmesa->drawX = driDrawable->x;
- mmesa->drawY = driDrawable->y;
-
- mmesa->setup.dstorg = mmesa->drawOffset;
- mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS;
-}
-
-
-static void mgaXMesaSetBackClipRects( mgaContextPtr mmesa )
-{
- __DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
-
-/* fprintf( stderr, "%s\n", __FUNCTION__ );*/
-
- if (driDrawable->numBackClipRects == 0)
- {
- if (driDrawable->numClipRects == 0) {
- static XF86DRIClipRectRec zeroareacliprect = {0,0,0,0};
- mmesa->numClipRects = 1;
- mmesa->pClipRects = &zeroareacliprect;
- } else {
- mmesa->numClipRects = driDrawable->numClipRects;
- mmesa->pClipRects = driDrawable->pClipRects;
- }
- mmesa->drawX = driDrawable->x;
- mmesa->drawY = driDrawable->y;
- } else {
- mmesa->numClipRects = driDrawable->numBackClipRects;
- mmesa->pClipRects = driDrawable->pBackClipRects;
- mmesa->drawX = driDrawable->backX;
- mmesa->drawY = driDrawable->backY;
- }
-
- mmesa->setup.dstorg = mmesa->drawOffset;
- mmesa->dirty |= MGA_UPLOAD_CONTEXT | MGA_UPLOAD_CLIPRECTS;
-}
-
-
-
-#if 0
-static void mgaUpdateRectsFromSarea( mgaContextPtr mmesa )
-{
- __DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
- __DRIscreenPrivate *driScreen = mmesa->driScreen;
- MGASAREAPrivPtr sarea = mmesa->sarea;
- int i = 0, top = 0;
-
-
- if (sarea->exported_buffers & MGA_BACK) {
-
- driDrawable->numBackClipRects = sarea->exported_nback;
- driDrawable->pBackClipRects = mmesa->tmp_boxes[0];
-
- top = sarea->exported_nback;
- for (i = 0 ; i < top ; i++)
- driDrawable->pBackClipRects[i] =
- *(XF86DRIClipRectPtr)&(sarea->exported_boxes[i]);
- }
-
-
- if (sarea->exported_buffers & MGA_FRONT)
- {
- int start = top;
-
- driDrawable->numClipRects = sarea->exported_nfront;
- driDrawable->pClipRects = mmesa->tmp_boxes[1];
-
- top += sarea->exported_nfront;
- for ( ; i < top ; i++)
- driDrawable->pClipRects[i-start] =
- *(XF86DRIClipRectPtr)&(sarea->exported_boxes[i]);
-
- }
-
-
-
- driDrawable->index = sarea->exported_index;
- driDrawable->lastStamp = sarea->exported_stamp;
- driDrawable->x = sarea->exported_front_x;
- driDrawable->y = sarea->exported_front_y;
- driDrawable->backX = sarea->exported_back_x;
- driDrawable->backY = sarea->exported_back_y;
- driDrawable->w = sarea->exported_w;
- driDrawable->h = sarea->exported_h;
- driDrawable->pStamp =
- &(driScreen->pSAREA->drawableTable[driDrawable->index].stamp);
-
- mmesa->dirty_cliprects = (MGA_FRONT|MGA_BACK) & ~(sarea->exported_buffers);
-}
-#endif
-
-#if 0
-static void printSareaRects( mgaContextPtr mmesa )
-{
- __DRIscreenPrivate *driScreen = mmesa->driScreen;
- MGASAREAPrivPtr sarea = mmesa->sarea;
- int i;
-
- fprintf(stderr, "sarea->exported: %d\n", sarea->exported_drawable);
- fprintf(stderr, "sarea->exported_index: %d\n", sarea->exported_index);
- fprintf(stderr, "sarea->exported_stamp: %d\n", sarea->exported_stamp);
- fprintf(stderr, "sarea->exported_front_x: %d\n", sarea->exported_front_x);
- fprintf(stderr, "sarea->exported_front_y: %d\n", sarea->exported_front_y);
- fprintf(stderr, "sarea->exported_back_x: %d\n", sarea->exported_back_x);
- fprintf(stderr, "sarea->exported_back_y: %d\n", sarea->exported_back_y);
- fprintf(stderr, "sarea->exported_w: %d\n", sarea->exported_w);
- fprintf(stderr, "sarea->exported_h: %d\n", sarea->exported_h);
- fprintf(stderr, "sarea->exported_buffers: %d\n", sarea->exported_buffers);
- fprintf(stderr, "sarea->exported_nfront: %d\n", sarea->exported_nfront);
- fprintf(stderr, "sarea->exported_nback: %d\n", sarea->exported_nback);
-
- i = 0;
- if (sarea->exported_buffers & MGA_BACK)
- for ( ; i < sarea->exported_nback ; i++)
- fprintf(stderr, "back %d: %d,%d-%d,%d\n", i,
- sarea->exported_boxes[i].x1, sarea->exported_boxes[i].y1,
- sarea->exported_boxes[i].x2, sarea->exported_boxes[i].y2);
-
- if (sarea->exported_buffers & MGA_FRONT) {
- int start = i;
- int top = i + sarea->exported_nfront;
- for ( ; i < top ; i++)
- fprintf(stderr, "front %d: %d,%d-%d,%d\n",
- i - start,
- sarea->exported_boxes[i].x1, sarea->exported_boxes[i].y1,
- sarea->exported_boxes[i].x2, sarea->exported_boxes[i].y2);
- }
-
- fprintf(stderr, "drawableTable[%d].stamp: %d\n",
- sarea->exported_index,
- driScreen->pSAREA->drawableTable[sarea->exported_index].stamp);
-}
-
-static void printMmesaRects( mgaContextPtr mmesa )
-{
- __DRIscreenPrivate *driScreen = mmesa->driScreen;
- __DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
- int nr = mmesa->numClipRects;
- int i;
-
- fprintf(stderr, "driDrawable->draw: %ld\n", driDrawable->draw);
- fprintf(stderr, "driDrawable->index: %d\n", driDrawable->index);
- fprintf(stderr, "driDrawable->lastStamp: %d\n", driDrawable->lastStamp);
- fprintf(stderr, "mmesa->drawX: %d\n", mmesa->drawX);
- fprintf(stderr, "mmesa->drawY: %d\n", mmesa->drawY);
- fprintf(stderr, "driDrawable->w: %d\n", driDrawable->w);
- fprintf(stderr, "driDrawable->h: %d\n", driDrawable->h);
-
- for (i = 0 ; i < nr ; i++)
- fprintf(stderr, "box %d: %d,%d-%d,%d\n", i,
- mmesa->pClipRects[i].x1, mmesa->pClipRects[i].y1,
- mmesa->pClipRects[i].x2, mmesa->pClipRects[i].y2);
-
- fprintf(stderr, "mmesa->draw_buffer: %d\n", mmesa->draw_buffer);
- fprintf(stderr, "drawableTable[%d].stamp: %d\n",
- driDrawable->index,
- driScreen->pSAREA->drawableTable[driDrawable->index].stamp);
-}
-#endif
-
-
-
-void mgaUpdateRects( mgaContextPtr mmesa, GLuint buffers )
-{
- __DRIdrawablePrivate *driDrawable = mmesa->driDrawable;
- MGASAREAPrivPtr sarea = mmesa->sarea;
-
-/* fprintf(stderr, "%s\n", __FUNCTION__);*/
-
- DRI_VALIDATE_DRAWABLE_INFO(driScreen, driDrawable);
- mmesa->dirty_cliprects = 0;
-
- if (mmesa->draw_buffer == MGA_FRONT)
- mgaXMesaSetFrontClipRects( mmesa );
- else
- mgaXMesaSetBackClipRects( mmesa );
-
-#if 0
- printMmesaRects(mmesa);
-#endif
-
- sarea->req_draw_buffer = mmesa->draw_buffer;
-
- mgaUpdateClipping( mmesa->glCtx );
- mgaCalcViewport( mmesa->glCtx );
-
- mmesa->dirty |= MGA_UPLOAD_CLIPRECTS;
-}
-
-
-void mgaDDSetReadBuffer(GLcontext *ctx, GLenum mode )
-{
- mgaContextPtr mmesa = MGA_CONTEXT(ctx);
-
- if (mode == GL_FRONT_LEFT)
- {
- mmesa->readOffset = mmesa->mgaScreen->frontOffset;
- mmesa->read_buffer = MGA_FRONT;
- }
- else
- {
- mmesa->readOffset = mmesa->mgaScreen->backOffset;
- mmesa->read_buffer = MGA_BACK;
- }
-}
-
-void mgaDDSetDrawBuffer(GLcontext *ctx, GLenum mode )
-{
- mgaContextPtr mmesa = MGA_CONTEXT(ctx);
-
- FLUSH_BATCH( MGA_CONTEXT(ctx) );
-
-/* fprintf( stderr, "%s %d\n", __FUNCTION__, mode);*/
-
- /*
- * _DrawDestMask is easier to cope with than <mode>.
- */
- switch ( ctx->Color._DrawDestMask ) {
- case FRONT_LEFT_BIT:
- mmesa->drawOffset = mmesa->mgaScreen->frontOffset;
- mmesa->readOffset = mmesa->mgaScreen->frontOffset;
- mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset;
- mmesa->dirty |= MGA_UPLOAD_CONTEXT;
- mmesa->draw_buffer = MGA_FRONT;
- mgaXMesaSetFrontClipRects( mmesa );
- FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
- break;
- case BACK_LEFT_BIT:
- mmesa->drawOffset = mmesa->mgaScreen->backOffset;
- mmesa->readOffset = mmesa->mgaScreen->backOffset;
- mmesa->setup.dstorg = mmesa->mgaScreen->backOffset;
- mmesa->draw_buffer = MGA_BACK;
- mmesa->dirty |= MGA_UPLOAD_CONTEXT;
- mgaXMesaSetBackClipRects( mmesa );
- FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
- break;
- default:
- FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE );
- break;
- }
-}
-
+++ /dev/null
-/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgatexcnv.c,v 1.3 2002/10/30 12:51:36 alanh Exp $ */
-/*
- * Copyright 2000-2001 VA Linux Systems, 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
- * on 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
- * VA LINUX SYSTEMS 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 <stdlib.h>
-#include <stdio.h>
-
-#include <GL/gl.h>
-
-#include "mm.h"
-#include "mgacontext.h"
-#include "mgatex.h"
-
-
-/*
- * mgaConvertTexture
- * Converts a mesa format texture to the appropriate hardware format
- * Note that sometimes width may be larger than the texture, like 64x1
- * for an 8x8 texture. This happens when we have to crutch the pitch
- * limits of the mga by uploading a block of texels as a single line.
- */
-void mgaConvertTexture( GLuint *destPtr, int texelBytes,
- struct gl_texture_image *image,
- int x, int y, int width, int height )
-{
- register int i, j;
- GLubyte *src;
- int stride;
-
- if (0)
- fprintf(stderr, "texture image %p\n", image->Data);
-
- if (image->Data == 0)
- return;
-
- /* FIXME: g400 luminance_alpha internal format */
- switch (texelBytes) {
- case 1:
- switch (image->Format) {
- case GL_COLOR_INDEX:
- case GL_INTENSITY:
- case GL_LUMINANCE:
- case GL_ALPHA:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 2 ; j ; j-- ) {
-
- *destPtr++ = src[0] | ( src[1] << 8 ) | ( src[2] << 16 ) | ( src[3] << 24 );
- src += 4;
- }
- src += stride;
- }
- break;
- default:
- goto format_error;
- }
- break;
- case 2:
- switch (image->Format) {
- case GL_RGB:
- src = (GLubyte *)image->Data + ( y * image->Width + x ) * 3;
- stride = (image->Width - width) * 3;
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 1 ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR565(src[0],src[1],src[2]) |
- ( MGAPACKCOLOR565(src[3],src[4],src[5]) << 16 );
- src += 6;
- }
- src += stride;
- }
- break;
- case GL_RGBA:
- src = (GLubyte *)image->Data + ( y * image->Width + x ) * 4;
- stride = (image->Width - width) * 4;
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 1 ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR4444(src[0],src[1],src[2],src[3]) |
- ( MGAPACKCOLOR4444(src[4],src[5],src[6],src[7]) << 16 );
- src += 8;
- }
- src += stride;
- }
- break;
- case GL_LUMINANCE:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 1 ; j ; j-- ) {
- /* FIXME: should probably use 555 texture to get true grey */
- *destPtr++ = MGAPACKCOLOR565(src[0],src[0],src[0]) |
- ( MGAPACKCOLOR565(src[1],src[1],src[1]) << 16 );
- src += 2;
- }
- src += stride;
- }
- break;
- case GL_INTENSITY:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 1 ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR4444(src[0],src[0],src[0],src[0]) |
- ( MGAPACKCOLOR4444(src[1],src[1],src[1],src[1]) << 16 );
- src += 2;
- }
- src += stride;
- }
- break;
- case GL_ALPHA:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 1 ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR4444(255,255,255,src[0]) |
- ( MGAPACKCOLOR4444(255,255,255,src[1]) << 16 );
- src += 2;
- }
- src += stride;
- }
- break;
- case GL_LUMINANCE_ALPHA:
- src = (GLubyte *)image->Data + ( y * image->Width + x ) * 2;
- stride = (image->Width - width) * 2;
- for ( i = height ; i ; i-- ) {
- for ( j = width >> 1 ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR4444(src[0],src[0],src[0],src[1]) |
- ( MGAPACKCOLOR4444(src[2],src[2],src[2],src[3]) << 16 );
- src += 4;
- }
- src += stride;
- }
- break;
- default:
- goto format_error;
- }
- break;
- case 4:
- switch (image->Format) {
- case GL_RGB:
- src = (GLubyte *)image->Data + ( y * image->Width + x ) * 3;
- stride = (image->Width - width) * 3;
- for ( i = height ; i ; i-- ) {
- for ( j = width ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR8888(src[0],src[1],src[2], 255);
- src += 3;
- }
- src += stride;
- }
- break;
- case GL_RGBA:
- src = (GLubyte *)image->Data + ( y * image->Width + x ) * 4;
- stride = (image->Width - width) * 4;
- for ( i = height ; i ; i-- ) {
- for ( j = width ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR8888(src[0],src[1],src[2],src[3]);
- src += 4;
- }
- src += stride;
- }
- break;
- case GL_LUMINANCE:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR8888(src[0],src[0],src[0], 255);
- src += 1;
- }
- src += stride;
- }
- break;
- case GL_INTENSITY:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR8888(src[0],src[0],src[0],src[0]);
- src += 1;
- }
- src += stride;
- }
- break;
- case GL_ALPHA:
- src = (GLubyte *)image->Data + ( y * image->Width + x );
- stride = (image->Width - width);
- for ( i = height ; i ; i-- ) {
- for ( j = width ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR8888(255,255,255,src[0]);
- src += 1;
- }
- src += stride;
- }
- break;
- case GL_LUMINANCE_ALPHA:
- src = (GLubyte *)image->Data + ( y * image->Width + x ) * 2;
- stride = (image->Width - width) * 2;
- for ( i = height ; i ; i-- ) {
- for ( j = width ; j ; j-- ) {
-
- *destPtr++ = MGAPACKCOLOR8888(src[0],src[0],
- src[0],src[1]);
- src += 2;
- }
- src += stride;
- }
- break;
- default:
- goto format_error;
- }
- break;
- default:
- goto format_error;
- }
-
- return;
-
- format_error:
-
- fprintf(stderr, "Unsupported texelBytes %i, image->Format %i\n",
- (int)texelBytes, (int)image->Format );
-}
projects / mesa.git / commitdiff