diff options
Diffstat (limited to 'src/mesa/drivers/svga/svgamesa15.c')
| -rw-r--r-- | src/mesa/drivers/svga/svgamesa15.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/src/mesa/drivers/svga/svgamesa15.c b/src/mesa/drivers/svga/svgamesa15.c deleted file mode 100644 index 934aaa33fb..0000000000 --- a/src/mesa/drivers/svga/svgamesa15.c +++ /dev/null @@ -1,220 +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 "svgamesa15.h" -#include "swrast/swrast.h" - - -static void __svga_drawpixel15(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_getpixel15(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_color15( 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)<<10 | (col[1]>>3)<<5 | (col[2]>>3); -/* SVGAMesa->clear_hicolor=(red)<<10 | (green)<<5 | (blue);*/ -} - -void __clear15( 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) { - GLshort *shortBuffer=(void *)SVGABuffer.FrontBuffer; - if (all) { - 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_drawpixel15(i,j,SVGAMesa->clear_hicolor); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_FRONT_LEFT_BIT; - } - if (mask & DD_BACK_LEFT_BIT) { - GLshort *shortBuffer=(void *)SVGABuffer.BackBuffer; - if (all) { - 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_drawpixel15(i,j,SVGAMesa->clear_hicolor); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_BACK_LEFT_BIT; - } - - if (mask) - _swrast_Clear( ctx, mask ); -} - -void __write_rgba_span15( 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_drawpixel15( x, y, (rgba[i][RCOMP]>>3)<<10 | \ - (rgba[i][GCOMP]>>3)<<5 | \ - (rgba[i][BCOMP]>>3)); - } - } - } - else { - /* draw all pixels */ - for (i=0; i<n; i++, x++) { - __svga_drawpixel15( x, y, (rgba[i][RCOMP]>>3)<<10 | \ - (rgba[i][GCOMP]>>3)<<5 | \ - (rgba[i][BCOMP]>>3)); - } - } -} - -void __write_mono_rgba_span15( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) -{ - GLushort hicolor = (color[RCOMP] >> 3) << 10 | - (color[GCOMP] >> 3) << 5 | - (color[BCOMP] >> 3); - int i; - for (i=0; i<n; i++, x++) { - if (mask[i]) { - __svga_drawpixel15( x, y, hicolor); - } - } -} - -void __read_rgba_span15( const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLubyte rgba[][4] ) -{ - int i,pix; - for (i=0; i<n; i++, x++) { - pix = __svga_getpixel15( x, y); - rgba[i][RCOMP] = ((pix>>10)<<3) & 0xff; - rgba[i][GCOMP] = ((pix>> 5)<<3) & 0xff; - rgba[i][BCOMP] = ((pix )<<3) & 0xff; - } -} - -void __write_rgba_pixels15( 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_drawpixel15( x[i], y[i], (rgba[i][RCOMP]>>3)<<10 | \ - (rgba[i][GCOMP]>>3)<<5 | \ - (rgba[i][BCOMP]>>3)); - } - } -} - - -void __write_mono_rgba_pixels15( const GLcontext *ctx, - GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], const GLubyte mask[] ) -{ - GLushort hicolor = (color[RCOMP] >> 3) << 10 | - (color[GCOMP] >> 3) << 5 | - (color[BCOMP] >> 3); - int i; - /* use current rgb color */ - for (i=0; i<n; i++) { - if (mask[i]) { - __svga_drawpixel15( x[i], y[i], hicolor ); - } - } -} - -void __read_rgba_pixels15( 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_getpixel15( x[i], y[i] ); - rgba[i][RCOMP] = ((pix>>10)<<3) & 0xff; - rgba[i][GCOMP] = ((pix>> 5)<<3) & 0xff; - rgba[i][BCOMP] = ((pix )<<3) & 0xff; - } -} - -#else - - -/* silence compiler warning */ -extern void _mesa_svga15_dummy_function(void); -void _mesa_svga15_dummy_function(void) -{ -} - - -#endif |