diff options
Diffstat (limited to 'src/mesa/drivers/svga/svgamesa8.c')
| -rw-r--r-- | src/mesa/drivers/svga/svgamesa8.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/src/mesa/drivers/svga/svgamesa8.c b/src/mesa/drivers/svga/svgamesa8.c deleted file mode 100644 index 2f7048a930..0000000000 --- a/src/mesa/drivers/svga/svgamesa8.c +++ /dev/null @@ -1,196 +0,0 @@ - -/* - * Mesa 3-D graphics library - * Version: 3.3 - * Copyright (C) 1995-2000 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 "svgamesa8.h" -#include "swrast/swrast.h" - - -static void __svga_drawpixel8(int x, int y, unsigned long c) -{ - unsigned long offset; - y = SVGAInfo->height-y-1; - offset = y * SVGAInfo->linewidth + x; - SVGABuffer.DrawBuffer[offset]=c; -} - -static unsigned long __svga_getpixel8(int x, int y) -{ - unsigned long offset; - y = SVGAInfo->height-y-1; - offset = y * SVGAInfo->linewidth + x; - return SVGABuffer.ReadBuffer[offset]; -} - -void __clear_index8( GLcontext *ctx, GLuint index ) -{ - SVGAMesa->clear_index = index; -} - -void __clear8( 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) { - memset(SVGABuffer.FrontBuffer, SVGAMesa->clear_index, SVGABuffer.BufferSize); - } - else { - GLubyte *tmp = SVGABuffer.DrawBuffer; - SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer; - for (i=x;i<width;i++) - for (j=y;j<height;j++) - __svga_drawpixel8(i,j,SVGAMesa->clear_index); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_FRONT_LEFT_BIT; - } - if (mask & DD_BACK_LEFT_BIT) { - if (all) { - memset(SVGABuffer.BackBuffer, SVGAMesa->clear_index, SVGABuffer.BufferSize); - } - else { - GLubyte *tmp = SVGABuffer.DrawBuffer; - SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer; - for (i=x;i<width;i++) - for (j=y;j<height;j++) - __svga_drawpixel8(i,j,SVGAMesa->clear_index); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_BACK_LEFT_BIT; - } - - if (mask) - _swrast_Clear( ctx, mask ); -} - -void __write_ci32_span8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const GLuint index[], const GLubyte mask[] ) -{ - int i; - for (i=0;i<n;i++,x++) { - if (mask[i]) { - __svga_drawpixel8( x, y, index[i]); - } - } -} - -void __write_ci8_span8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - const GLubyte index[], const GLubyte mask[] ) -{ - int i; - - for (i=0;i<n;i++,x++) { - if (mask[i]) { - __svga_drawpixel8( x, y, index[i]); - } - } -} - -void __write_mono_ci_span8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, - GLuint colorIndex, const GLubyte mask[] ) -{ - int i; - for (i=0;i<n;i++,x++) { - if (mask[i]) { - __svga_drawpixel8( x, y, colorIndex); - } - } -} - -void __read_ci32_span8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, GLuint index[]) -{ - int i; - for (i=0; i<n; i++,x++) { - index[i] = __svga_getpixel8( x, y); - } -} - -void __write_ci32_pixels8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - const GLuint index[], const GLubyte mask[] ) -{ - int i; - for (i=0; i<n; i++) { - if (mask[i]) { - __svga_drawpixel8( x[i], y[i], index[i]); - } - } -} - - -void __write_mono_ci_pixels8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - GLuint colorIndex, const GLubyte mask[] ) -{ - int i; - for (i=0; i<n; i++) { - if (mask[i]) { - __svga_drawpixel8( x[i], y[i], colorIndex); - } - } -} - -void __read_ci32_pixels8( const GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], - GLuint index[], const GLubyte mask[] ) -{ - int i; - for (i=0; i<n; i++,x++) { - index[i] = __svga_getpixel8( x[i], y[i]); - } -} - - -#else - - -/* silence compiler warning */ -extern void _mesa_svga8_dummy_function(void); -void _mesa_svga8_dummy_function(void) -{ -} - - -#endif |