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Diffstat (limited to 'src/mesa/drivers/svga/svgamesa16.c')
-rw-r--r--src/mesa/drivers/svga/svgamesa16.c218
1 files changed, 0 insertions, 218 deletions
diff --git a/src/mesa/drivers/svga/svgamesa16.c b/src/mesa/drivers/svga/svgamesa16.c
deleted file mode 100644
index 9fc8c786e8..0000000000
--- a/src/mesa/drivers/svga/svgamesa16.c
+++ /dev/null
@@ -1,218 +0,0 @@
-
-/*
- * Mesa 3-D graphics library
- * Version: 5.0
- * Copyright (C) 1995-2002 Brian Paul
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-
-/*
- * SVGA driver for Mesa.
- * Original author: Brian Paul
- * Additional authors: Slawomir Szczyrba <steev@hot.pl> (Mesa 3.2)
- */
-
-#ifdef HAVE_CONFIG_H
-#include "conf.h"
-#endif
-
-#ifdef SVGA
-
-#include "svgapix.h"
-#include "svgamesa16.h"
-#include "swrast/swrast.h"
-
-
-static void __svga_drawpixel16(int x, int y, unsigned long c)
-{
- unsigned long offset;
- GLshort *shortBuffer=(void *)SVGABuffer.DrawBuffer;
- y = SVGAInfo->height-y-1;
- offset = y * SVGAInfo->width + x;
- shortBuffer[offset]=c;
-}
-
-static unsigned long __svga_getpixel16(int x, int y)
-{
- unsigned long offset;
-
- GLshort *shortBuffer=(void *)SVGABuffer.ReadBuffer;
- y = SVGAInfo->height-y-1;
- offset = y * SVGAInfo->width + x;
- return shortBuffer[offset];
-}
-
-void __clear_color16( GLcontext *ctx, const GLfloat color[4] )
-{
- GLubyte col[3];
- CLAMPED_FLOAT_TO_UBYTE(col[0], color[0]);
- CLAMPED_FLOAT_TO_UBYTE(col[1], color[1]);
- CLAMPED_FLOAT_TO_UBYTE(col[2], color[2]);
- SVGAMesa->clear_hicolor = (col[0] >> 3) << 11 |
- (col[1] >> 2) << 5 |
- (col[2] >> 3);
-/* SVGAMesa->clear_hicolor=(red)<<11 | (green)<<5 | (blue); */
-}
-
-void __clear16( GLcontext *ctx, GLbitfield mask )
-{
- int i,j;
- int x = ctx->DrawBuffer->_Xmin;
- int y = ctx->DrawBuffer->_Ymin;
- int width = ctx->DrawBuffer->_Xmax - x;
- int height = ctx->DrawBuffer->_Ymax - y;
- GLboolean all = (width == ctx->DrawBuffer->Width && height == ctx->DrawBuffer->height)
-
- if (mask & DD_FRONT_LEFT_BIT) {
- if (all) {
- GLshort *shortBuffer=(void *)SVGABuffer.FrontBuffer;
- for (i=0;i<SVGABuffer.BufferSize / 2;i++)
- shortBuffer[i]=SVGAMesa->clear_hicolor;
- }
- else {
- GLubyte *tmp = SVGABuffer.DrawBuffer;
- SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer;
- for (i=x;i<width;i++)
- for (j=y;j<height;j++)
- __svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
- SVGABuffer.DrawBuffer = tmp;
- }
- mask &= ~DD_FRONT_LEFT_BIT;
- }
- if (mask & DD_BACK_LEFT_BIT) {
- if (all) {
- GLshort *shortBuffer=(void *)SVGABuffer.BackBuffer;
- for (i=0;i<SVGABuffer.BufferSize / 2;i++)
- shortBuffer[i]=SVGAMesa->clear_hicolor;
- }
- else {
- GLubyte *tmp = SVGABuffer.DrawBuffer;
- SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
- for (i=x;i<width;i++)
- for (j=y;j<height;j++)
- __svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
- SVGABuffer.DrawBuffer = tmp;
- }
- mask &= ~DD_BACK_LEFT_BIT;
- }
-
- if (mask)
- _swrast_Clear( ctx, mask );
-}
-
-void __write_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y,
- const GLubyte rgba[][4], const GLubyte mask[] )
-{
- int i;
- if (mask) {
- /* draw some pixels */
- for (i=0; i<n; i++, x++) {
- if (mask[i]) {
- __svga_drawpixel16( x, y, (rgba[i][RCOMP]>>3)<<11 | \
- (rgba[i][GCOMP]>>2)<<5 | \
- (rgba[i][BCOMP]>>3));
- }
- }
- }
- else {
- /* draw all pixels */
- for (i=0; i<n; i++, x++) {
- __svga_drawpixel16( x, y, (rgba[i][RCOMP]>>3)<<11 | \
- (rgba[i][GCOMP]>>2)<<5 | \
- (rgba[i][BCOMP]>>3));
- }
- }
-}
-
-void __write_mono_rgba_span16( const GLcontext *ctx,
- GLuint n, GLint x, GLint y,
- const GLchan color[4], const GLubyte mask[])
-{
- GLushort hicolor=(color[RCOMP]>>3)<<11 | (color[GCOMP]>>2)<<5 | (color[BCOMP]>>3);
- int i;
- for (i=0; i<n; i++, x++) {
- if (mask[i]) {
- __svga_drawpixel16( x, y, hicolor);
- }
- }
-}
-
-void __read_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y,
- GLubyte rgba[][4] )
-{
- int i,pix;
- for (i=0; i<n; i++, x++) {
- pix = __svga_getpixel16( x, y );
- rgba[i][RCOMP] = ((pix>>11)<<3) & 0xff;
- rgba[i][GCOMP] = ((pix>> 5)<<2) & 0xff;
- rgba[i][BCOMP] = ((pix )<<3) & 0xff;
- }
-}
-
-void __write_rgba_pixels16( const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLubyte rgba[][4], const GLubyte mask[] )
-{
- int i;
- for (i=0; i<n; i++) {
- if (mask[i]) {
- __svga_drawpixel16( x[i], y[i], (rgba[i][RCOMP]>>3)<<11 | \
- (rgba[i][GCOMP]>>2)<<5 | \
- (rgba[i][BCOMP]>>3));
- }
- }
-}
-
-
-void __write_mono_rgba_pixels16( const GLcontext *ctx,
- GLuint n,
- const GLint x[], const GLint y[],
- const GLchan color[4], const GLubyte mask[] )
-{
- GLushort hicolor=(color[RCOMP]>>3)<<11 | (color[GCOMP]>>2)<<5 | (color[BCOMP]>>3);
- int i;
- for (i=0; i<n; i++) {
- if (mask[i]) {
- __svga_drawpixel16( x[i], y[i], hicolor );
- }
- }
-}
-
-void __read_rgba_pixels16( const GLcontext *ctx,
- GLuint n, const GLint x[], const GLint y[],
- GLubyte rgba[][4], const GLubyte mask[] )
-{
- int i,pix;
- for (i=0; i<n; i++,x++) {
- pix = __svga_getpixel16( x[i], y[i] );
- rgba[i][RCOMP] = ((pix>>11)<<3) & 0xff;
- rgba[i][GCOMP] = ((pix>> 5)<<2) & 0xff;
- rgba[i][BCOMP] = ((pix )<<3) & 0xff;
- }
-}
-
-#else
-
-
-/* silence compiler warning */
-extern void _mesa_svga16_dummy_function(void);
-void _mesa_svga16_dummy_function(void)
-{
-}
-
-
-#endif
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