diff options
Diffstat (limited to 'src/mesa/drivers/svga/svgamesa24.c')
-rw-r--r-- | src/mesa/drivers/svga/svgamesa24.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/src/mesa/drivers/svga/svgamesa24.c b/src/mesa/drivers/svga/svgamesa24.c deleted file mode 100644 index f2ec9c0364a..00000000000 --- a/src/mesa/drivers/svga/svgamesa24.c +++ /dev/null @@ -1,242 +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 <[email protected]> (Mesa 3.2) - */ - -#ifdef HAVE_CONFIG_H -#include "conf.h" -#endif - -#ifdef SVGA - -#include "svgapix.h" -#include "svgamesa24.h" -#include "swrast/swrast.h" - - -#if 0 -/* this doesn't compile with GCC on RedHat 6.1 */ -static INLINE int RGB2BGR24(int c) -{ - asm("rorw $8, %0\n" - "rorl $16, %0\n" - "rorw $8, %0\n" - "shrl $8, %0\n" - : "=q"(c):"0"(c)); - return c; -} -#else -static unsigned long RGB2BGR24(unsigned long color) -{ - return (color & 0xff00)|(color>>16)|((color & 0xff)<<16); -} -#endif - -static void __svga_drawpixel24(int x, int y, GLubyte r, GLubyte g, GLubyte b) -{ - unsigned long offset; - - _RGB *rgbBuffer=(void *)SVGABuffer.DrawBuffer; - y = SVGAInfo->height-y-1; - offset = y * SVGAInfo->width + x; - - rgbBuffer[offset].r=r; - rgbBuffer[offset].g=g; - rgbBuffer[offset].b=b; -} - -static unsigned long __svga_getpixel24(int x, int y) -{ - unsigned long offset; - - _RGB *rgbBuffer=(void *)SVGABuffer.ReadBuffer; - y = SVGAInfo->height-y-1; - offset = y * SVGAInfo->width + x; - return rgbBuffer[offset].r<<16 | rgbBuffer[offset].g<<8 | rgbBuffer[offset].b; -} - -void __clear_color24( 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_red = col[0]; - SVGAMesa->clear_green = col[1]; - SVGAMesa->clear_blue = col[2]; -/* SVGAMesa->clear_truecolor = red<<16 | green<<8 | blue; */ -} - -void __clear24( 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) { - _RGB *rgbBuffer=(void *)SVGABuffer.FrontBuffer; - for (i=0;i<SVGABuffer.BufferSize / 3;i++) { - rgbBuffer[i].r=SVGAMesa->clear_red; - rgbBuffer[i].g=SVGAMesa->clear_green; - rgbBuffer[i].b=SVGAMesa->clear_blue; - } - } - else { - GLubyte *tmp = SVGABuffer.DrawBuffer; - SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer; - for (i=x;i<width;i++) - for (j=y;j<height;j++) - __svga_drawpixel24( i, j, SVGAMesa->clear_red, - SVGAMesa->clear_green, - SVGAMesa->clear_blue); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_FRONT_LEFT_BIT; - } - if (mask & DD_BACK_LEFT_BIT) { - if (all) { - _RGB *rgbBuffer=(void *)SVGABuffer.BackBuffer; - for (i=0;i<SVGABuffer.BufferSize / 3;i++) { - rgbBuffer[i].r=SVGAMesa->clear_red; - rgbBuffer[i].g=SVGAMesa->clear_green; - rgbBuffer[i].b=SVGAMesa->clear_blue; - } - } - else { - GLubyte *tmp = SVGABuffer.DrawBuffer; - SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer; - for (i=x;i<width;i++) - for (j=y;j<height;j++) - __svga_drawpixel24( i, j, SVGAMesa->clear_red, - SVGAMesa->clear_green, - SVGAMesa->clear_blue); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_BACK_LEFT_BIT; - } - - if (mask) - _swrast_Clear( ctx, mask ); -} - -void __write_rgba_span24( 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_drawpixel24( x, y, rgba[i][RCOMP], - rgba[i][GCOMP], - rgba[i][BCOMP]); - } - } - } - else { - /* draw all pixels */ - for (i=0; i<n; i++, x++) { - __svga_drawpixel24( x, y, rgba[i][RCOMP], - rgba[i][GCOMP], - rgba[i][BCOMP]); - } - } -} - -void __write_mono_rgba_span24( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) -{ - int i; - for (i=0; i<n; i++, x++) { - if (mask[i]) { - __svga_drawpixel24( x, y, color[RCOMP], color[GCOMP], color[BCOMP]); - } - } -} - -void __read_rgba_span24( const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLubyte rgba[][4] ) -{ - int i; - for (i=0; i<n; i++, x++) { - *((GLint*)rgba[i]) = RGB2BGR24(__svga_getpixel24( x, y)); - } -} - -void __write_rgba_pixels24( 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_drawpixel24( x[i], y[i], rgba[i][RCOMP], - rgba[i][GCOMP], - rgba[i][BCOMP]); - } - } -} - -void __write_mono_rgba_pixels24( const GLcontext *ctx, - GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], const GLubyte mask[] ) -{ - int i; - for (i=0; i<n; i++) { - if (mask[i]) { - __svga_drawpixel24( x[i], y[i], - color[RCOMP], color[GCOMP], color[BCOMP] ); - } - } -} - -void __read_rgba_pixels24( const GLcontext *ctx, - GLuint n, const GLint x[], const GLint y[], - GLubyte rgba[][4], const GLubyte mask[] ) -{ - int i; - for (i=0; i<n; i++,x++) { - *((GLint*)rgba[i]) = RGB2BGR24(__svga_getpixel24( x[i], y[i])); - } -} - -#else - - -/* silence compiler warning */ -extern void _mesa_svga24_dummy_function(void); -void _mesa_svga24_dummy_function(void) -{ -} - - -#endif |