diff options
Diffstat (limited to 'src/mesa/drivers/svga/svgamesa32.c')
| -rw-r--r-- | src/mesa/drivers/svga/svgamesa32.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/src/mesa/drivers/svga/svgamesa32.c b/src/mesa/drivers/svga/svgamesa32.c deleted file mode 100644 index 8eea3cbe648..00000000000 --- a/src/mesa/drivers/svga/svgamesa32.c +++ /dev/null @@ -1,223 +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 "svgamesa32.h" -#include "swrast/swrast.h" - - -#if 0 -/* this doesn't compile with GCC on RedHat 6.1 */ -static INLINE int RGB2BGR32(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 RGB2BGR32(unsigned long color) -{ - return (color & 0xff00)|(color>>16)|((color & 0xff)<<16); -} -#endif - -static void __svga_drawpixel32(int x, int y, unsigned long c) -{ - unsigned long offset; - - GLint *intBuffer=(void *)SVGABuffer.DrawBuffer; - y = SVGAInfo->height-y-1; - offset = y * SVGAInfo->width + x; - intBuffer[offset]=c; -} - -static unsigned long __svga_getpixel32(int x, int y) -{ - unsigned long offset; - - const GLint *intBuffer=(void *)SVGABuffer.ReadBuffer; - y = SVGAInfo->height-y-1; - offset = y * SVGAInfo->width + x; - return intBuffer[offset]; -} - -void __clear_color32( 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_truecolor = (col[0] << 16) | (col[1] << 8) | col[2]; -} - -void __clear32( 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) { - GLint *intBuffer=(void *)SVGABuffer.FrontBuffer; - for (i=0;i<SVGABuffer.BufferSize / 4;i++) - intBuffer[i]=SVGAMesa->clear_truecolor; - } - else { - GLubyte *tmp = SVGABuffer.DrawBuffer; - SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer; - for (i=x;i<width;i++) - for (j=y;j<height;j++) - __svga_drawpixel32(i,j,SVGAMesa->clear_truecolor); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_FRONT_LEFT_BIT; - } - if (mask & DD_BACK_LEFT_BIT) { - if (all) { - GLint *intBuffer=(void *)SVGABuffer.BackBuffer; - for (i=0;i<SVGABuffer.BufferSize / 4;i++) - intBuffer[i]=SVGAMesa->clear_truecolor; - } - else { - GLubyte *tmp = SVGABuffer.DrawBuffer; - SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer; - for (i=x;i<width;i++) - for (j=y;j<height;j++) - __svga_drawpixel32(i,j,SVGAMesa->clear_truecolor); - SVGABuffer.DrawBuffer = tmp; - } - mask &= ~DD_BACK_LEFT_BIT; - } - - if (mask) - _swrast_Clear( ctx, mask ); -} - -void __write_rgba_span32( 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_drawpixel32( x, y, RGB2BGR32(*((GLint*)rgba[i]))); - } - } - } - else { - /* draw all pixels */ - for (i=0; i<n; i++, x++) { - __svga_drawpixel32( x, y, RGB2BGR32(*((GLint*)rgba[i]))); - } - } -} - -void __write_mono_rgba_span32( const GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLchan color[4], const GLubyte mask[]) -{ - int i; - GLuint truecolor = color[RCOMP]<<16 | color[GCOMP]<<8 | color[BCOMP]; - for (i=0; i<n; i++, x++) { - if (mask[i]) { - __svga_drawpixel32( x, y, truecolor); - } - } -} - -void __read_rgba_span32( const GLcontext *ctx, GLuint n, GLint x, GLint y, - GLubyte rgba[][4] ) -{ - int i; - for (i=0; i<n; i++, x++) { - *((GLint*)rgba[i]) = RGB2BGR32(__svga_getpixel32( x, y )); - } -} - -void __write_rgba_pixels32( 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_drawpixel32( x[i], y[i], RGB2BGR32(*((GLint*)rgba[i]))); - } - } -} - -void __write_mono_rgba_pixels32( const GLcontext *ctx, - GLuint n, - const GLint x[], const GLint y[], - const GLchan color[4], const GLubyte mask[] ) -{ - GLuint truecolor = color[RCOMP]<<16 | color[GCOMP]<<8 | color[BCOMP]; - int i; - for (i=0; i<n; i++) { - if (mask[i]) { - __svga_drawpixel32( x[i], y[i], truecolor ); - } - } -} - -void __read_rgba_pixels32( 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]) = RGB2BGR32(__svga_getpixel32( x[i], y[i] )); - } -} - - -#else - - -/* silence compiler warning */ -extern void _mesa_svga32_dummy_function(void); -void _mesa_svga32_dummy_function(void) -{ -} - - -#endif - |