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Diffstat (limited to 'src/mesa/drivers/dri/mga/mgatexcnv.c')
-rw-r--r--src/mesa/drivers/dri/mga/mgatexcnv.c256
1 files changed, 0 insertions, 256 deletions
diff --git a/src/mesa/drivers/dri/mga/mgatexcnv.c b/src/mesa/drivers/dri/mga/mgatexcnv.c
deleted file mode 100644
index 3a05c7d3eb..0000000000
--- a/src/mesa/drivers/dri/mga/mgatexcnv.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/* $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 );
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-24 18:33:24 +0000