mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-30 14:20:11 +01:00
updated for Mesa 3.3
This commit is contained in:
Brian Paul
parent
2454429915
commit
ebd5feab9a
8 changed files with 295 additions and 162 deletions
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@ -1,8 +1,8 @@
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/* $Id: svgamesa.c,v 1.3 2000/01/23 17:49:54 brianp Exp $ */
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/* $Id: svgamesa.c,v 1.4 2000/01/25 00:03:02 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.2
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* Version: 3.3
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* Copyright (C) 1995-2000 Brian Paul
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*
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* This library is free software; you can redistribute it and/or
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@ -162,28 +162,33 @@ int SVGAMesaInit( int GraphMode )
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SVGAlog(cbuf);
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sprintf(cbuf,"SVGAMesaInit: done. (Mode %d)",GraphMode);
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SVGAlog(cbuf);
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#endif
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#endif
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SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
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SVGABuffer.ReadBuffer = SVGABuffer.BackBuffer;
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return 0;
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}
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int SVGAMesaClose( void )
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{
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vga_setmode(TEXT);
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free(SVGABuffer.FrontBuffer);
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free(SVGABuffer.BackBuffer);
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return 0;
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vga_setmode(TEXT);
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free(SVGABuffer.FrontBuffer);
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free(SVGABuffer.BackBuffer);
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return 0;
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}
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void SVGAMesaSetCI(int ndx, GLubyte red, GLubyte green, GLubyte blue)
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{
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if (ndx<256) vga_setpalette(ndx, red>>2, green>>2, blue>>2);
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if (ndx<256)
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vga_setpalette(ndx, red>>2, green>>2, blue>>2);
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}
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/**********************************************************************/
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/***** Miscellaneous functions *****/
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/**********************************************************************/
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static void copy_buffer( GLubyte * buffer) {
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static void copy_buffer( const GLubyte * buffer) {
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int size = SVGABuffer.BufferSize, page = 0;
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#ifdef SVGA_DEBUG
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@ -209,29 +214,61 @@ static void get_buffer_size( GLcontext *ctx, GLuint *width, GLuint *height )
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*height = SVGAMesa->height = vga_getydim();
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}
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static GLboolean set_buffer( GLcontext *ctx, GLenum buffer )
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static GLboolean set_draw_buffer( GLcontext *ctx, GLenum buffer )
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{
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void * tmpptr;
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if (buffer == GL_FRONT_LEFT)
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{
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.FrontBuffer);
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tmpptr=SVGABuffer.BackBuffer;
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SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
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SVGABuffer.FrontBuffer=tmpptr;
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return GL_TRUE;
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}
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else if (buffer == GL_BACK_LEFT)
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{
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.BackBuffer);
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return GL_TRUE;
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if (buffer == GL_FRONT_LEFT) {
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SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer;
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#if 0
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/* vga_waitretrace(); */
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void * tmpptr;
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copy_buffer(SVGABuffer.FrontBuffer);
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tmpptr=SVGABuffer.BackBuffer;
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SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
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SVGABuffer.FrontBuffer=tmpptr;
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#endif
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return GL_TRUE;
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}
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else if (buffer == GL_BACK_LEFT) {
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SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
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#if 0
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.BackBuffer);
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#endif
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return GL_TRUE;
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}
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else
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return GL_FALSE;
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}
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static void set_read_buffer( GLcontext *ctx, GLframebuffer *colorBuffer,
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GLenum buffer )
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{
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/* We can ignore colorBuffer since we don't support a MakeCurrentRead()
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* function.
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*/
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(void) colorBuffer;
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if (buffer == GL_FRONT_LEFT) {
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SVGABuffer.ReadBuffer = SVGABuffer.FrontBuffer;
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#if 0
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void * tmpptr;
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.FrontBuffer);
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tmpptr=SVGABuffer.BackBuffer;
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SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
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SVGABuffer.FrontBuffer=tmpptr;
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#endif
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}
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else if (buffer == GL_BACK_LEFT) {
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SVGABuffer.ReadBuffer = SVGABuffer.BackBuffer;
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#if 0
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.BackBuffer);
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#endif
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}
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}
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/**********************************************************************/
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/***** *****/
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/**********************************************************************/
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@ -243,8 +280,9 @@ static void svgamesa_update_state( GLcontext *ctx )
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ctx->Driver.UpdateState = svgamesa_update_state;
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ctx->Driver.SetBuffer = set_buffer;
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ctx->Driver.GetBufferSize = get_buffer_size;
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ctx->Driver.SetDrawBuffer = set_draw_buffer;
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ctx->Driver.SetReadBuffer = set_read_buffer;
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ctx->Driver.PointsFunc = NULL;
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ctx->Driver.LineFunc = NULL;
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@ -385,7 +423,11 @@ SVGAMesaContext SVGAMesaCreateContext( GLboolean doubleBuffer )
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NULL, /* share list context */
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(void *) ctx, GL_TRUE );
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ctx->gl_buffer = gl_create_framebuffer( ctx->gl_vis );
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ctx->gl_buffer = gl_create_framebuffer( ctx->gl_vis,
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ctx->gl_vis->DepthBits > 0,
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ctx->gl_vis->StencilBits > 0,
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ctx->gl_vis->AccumBits > 0,
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ctx->gl_vis->AlphaBits > 0 );
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ctx->index = 1;
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ctx->red = ctx->green = ctx->blue = 255;
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@ -445,10 +487,12 @@ SVGAMesaContext SVGAMesaGetCurrentContext( void )
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*/
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void SVGAMesaSwapBuffers( void )
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{
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void * tmpptr;
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.BackBuffer);
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#if 000
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void * tmpptr;
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#endif
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/* vga_waitretrace(); */
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copy_buffer(SVGABuffer.BackBuffer);
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#ifndef DEV
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FLUSH_VB( SVGAMesa->gl_ctx, "swap buffers" );
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@ -456,19 +500,21 @@ void SVGAMesaSwapBuffers( void )
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#endif /* DEV */
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{
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#ifdef SVGA_DEBUG
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sprintf(cbuf,"SVGAMesaSwapBuffers : Swapping...");
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SVGAlog(cbuf);
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sprintf(cbuf,"SVGAMesaSwapBuffers : Swapping...");
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SVGAlog(cbuf);
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#endif /* SVGA_DEBUG */
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tmpptr=SVGABuffer.BackBuffer;
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SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
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SVGABuffer.FrontBuffer=tmpptr;
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#if 000
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tmpptr=SVGABuffer.BackBuffer;
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SVGABuffer.BackBuffer=SVGABuffer.FrontBuffer;
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SVGABuffer.FrontBuffer=tmpptr;
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#endif
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#ifdef SVGA_DEBUG
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sprintf(cbuf,"SVGAMesaSwapBuffers : WriteBuffer : %p\n"
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" Readbuffer : %p", \
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SVGABuffer.BackBuffer, SVGABuffer.FrontBuffer );
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SVGAlog(cbuf);
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sprintf(cbuf,"SVGAMesaSwapBuffers : WriteBuffer : %p\n"
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" Readbuffer : %p", \
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SVGABuffer.BackBuffer, SVGABuffer.FrontBuffer );
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SVGAlog(cbuf);
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#endif /* SVGA_DEBUG */
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}
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}
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}
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#else /*SVGA*/
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@ -1,8 +1,8 @@
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/* $Id: svgamesa15.c,v 1.3 2000/01/23 17:49:54 brianp Exp $ */
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/* $Id: svgamesa15.c,v 1.4 2000/01/25 00:03:01 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.2
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* Version: 3.3
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* Copyright (C) 1995-2000 Brian Paul
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*
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* This library is free software; you can redistribute it and/or
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@ -30,25 +30,21 @@
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#ifdef SVGA
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#include "svgapix.h"
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#include "svgamesa15.h"
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GLshort * shortBuffer;
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int __svga_drawpixel15(int x, int y, unsigned long c)
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static void __svga_drawpixel15(int x, int y, unsigned long c)
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{
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unsigned long offset;
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shortBuffer=(void *)SVGABuffer.BackBuffer;
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GLshort *shortBuffer=(void *)SVGABuffer.DrawBuffer;
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y = SVGAInfo->height-y-1;
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offset = y * SVGAInfo->width + x;
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shortBuffer[offset]=c;
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return 0;
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}
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unsigned long __svga_getpixel15(int x, int y)
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static unsigned long __svga_getpixel15(int x, int y)
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{
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unsigned long offset;
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shortBuffer=(void *)SVGABuffer.BackBuffer;
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GLshort *shortBuffer=(void *)SVGABuffer.ReadBuffer;
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y = SVGAInfo->height-y-1;
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offset = y * SVGAInfo->width + x;
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return shortBuffer[offset];
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@ -73,19 +69,39 @@ void __clear_color15( GLcontext *ctx,
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GLbitfield __clear15( GLcontext *ctx, GLbitfield mask, GLboolean all,
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GLint x, GLint y, GLint width, GLint height )
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{
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int i,j;
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if (mask & GL_COLOR_BUFFER_BIT) {
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shortBuffer=(void *)SVGABuffer.BackBuffer;
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if (all) {
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for (i=0;i<SVGABuffer.BufferSize / 2;i++) shortBuffer[i]=SVGAMesa->clear_hicolor;
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} else {
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for (i=x;i<width;i++)
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for (j=y;j<height;j++)
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__svga_drawpixel15(i,j,SVGAMesa->clear_hicolor);
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}
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}
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return mask & (~GL_COLOR_BUFFER_BIT);
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int i, j;
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if (mask & DD_FRONT_LEFT_BIT) {
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GLshort *shortBuffer=(void *)SVGABuffer.FrontBuffer;
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if (all) {
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for (i=0;i<SVGABuffer.BufferSize / 2;i++)
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shortBuffer[i]=SVGAMesa->clear_hicolor;
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}
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else {
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GLubyte *tmp = SVGABuffer.DrawBuffer;
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SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer;
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for (i=x;i<width;i++)
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for (j=y;j<height;j++)
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__svga_drawpixel15(i,j,SVGAMesa->clear_hicolor);
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SVGABuffer.DrawBuffer = tmp;
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}
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}
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if (mask & DD_BACK_LEFT_BIT) {
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GLshort *shortBuffer=(void *)SVGABuffer.BackBuffer;
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if (all) {
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for (i=0;i<SVGABuffer.BufferSize / 2;i++)
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shortBuffer[i]=SVGAMesa->clear_hicolor;
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}
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else {
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GLubyte *tmp = SVGABuffer.DrawBuffer;
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SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
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for (i=x;i<width;i++)
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for (j=y;j<height;j++)
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__svga_drawpixel15(i,j,SVGAMesa->clear_hicolor);
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SVGABuffer.DrawBuffer = tmp;
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}
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}
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return mask & (~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT));
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}
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void __write_rgba_span15( const GLcontext *ctx, GLuint n, GLint x, GLint y,
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@ -1,8 +1,8 @@
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/* $Id: svgamesa15.h,v 1.2 2000/01/22 20:08:36 brianp Exp $ */
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/* $Id: svgamesa15.h,v 1.3 2000/01/25 00:03:02 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.2
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* Version: 3.3
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* Copyright (C) 1995-2000 Brian Paul
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*
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* This library is free software; you can redistribute it and/or
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@ -1,8 +1,8 @@
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/* $Id: svgamesa16.c,v 1.3 2000/01/23 17:49:54 brianp Exp $ */
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/* $Id: svgamesa16.c,v 1.4 2000/01/25 00:03:02 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 3.2
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* Version: 3.3
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* Copyright (C) 1995-2000 Brian Paul
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*
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* This library is free software; you can redistribute it and/or
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@ -30,25 +30,23 @@
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#ifdef SVGA
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#include "svgapix.h"
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#include "svgamesa16.h"
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GLshort * shortBuffer;
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int __svga_drawpixel16(int x, int y, unsigned long c)
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static void __svga_drawpixel16(int x, int y, unsigned long c)
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{
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unsigned long offset;
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shortBuffer=(void *)SVGABuffer.BackBuffer;
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GLshort *shortBuffer=(void *)SVGABuffer.DrawBuffer;
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y = SVGAInfo->height-y-1;
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offset = y * SVGAInfo->width + x;
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shortBuffer[offset]=c;
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return 0;
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}
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unsigned long __svga_getpixel16(int x, int y)
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static unsigned long __svga_getpixel16(int x, int y)
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{
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unsigned long offset;
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shortBuffer=(void *)SVGABuffer.BackBuffer;
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GLshort *shortBuffer=(void *)SVGABuffer.ReadBuffer;
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y = SVGAInfo->height-y-1;
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offset = y * SVGAInfo->width + x;
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return shortBuffer[offset];
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@ -74,18 +72,38 @@ GLbitfield __clear16( GLcontext *ctx, GLbitfield mask, GLboolean all,
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GLint x, GLint y, GLint width, GLint height )
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{
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int i,j;
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if (mask & GL_COLOR_BUFFER_BIT) {
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if (all) {
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shortBuffer=(void *)SVGABuffer.BackBuffer;
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for (i=0;i<SVGABuffer.BufferSize / 2;i++) shortBuffer[i]=SVGAMesa->clear_hicolor;
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} else {
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for (i=x;i<width;i++)
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for (j=y;j<height;j++)
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__svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
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}
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}
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return mask & (~GL_COLOR_BUFFER_BIT);
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if (mask & DD_FRONT_LEFT_BIT) {
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if (all) {
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GLshort *shortBuffer=(void *)SVGABuffer.FrontBuffer;
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for (i=0;i<SVGABuffer.BufferSize / 2;i++)
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shortBuffer[i]=SVGAMesa->clear_hicolor;
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}
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else {
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GLubyte *tmp = SVGABuffer.DrawBuffer;
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SVGABuffer.DrawBuffer = SVGABuffer.FrontBuffer;
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for (i=x;i<width;i++)
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for (j=y;j<height;j++)
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__svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
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SVGABuffer.DrawBuffer = tmp;
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}
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}
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if (mask & DD_BACK_LEFT_BIT) {
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if (all) {
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GLshort *shortBuffer=(void *)SVGABuffer.BackBuffer;
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for (i=0;i<SVGABuffer.BufferSize / 2;i++)
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shortBuffer[i]=SVGAMesa->clear_hicolor;
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}
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else {
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GLubyte *tmp = SVGABuffer.DrawBuffer;
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SVGABuffer.DrawBuffer = SVGABuffer.BackBuffer;
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for (i=x;i<width;i++)
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for (j=y;j<height;j++)
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__svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
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SVGABuffer.DrawBuffer = tmp;
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}
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}
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return mask & (~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT));
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}
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void __write_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y,
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|
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@ -1,8 +1,8 @@
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/* $Id: svgamesa24.c,v 1.3 2000/01/23 17:49:54 brianp Exp $ */
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/* $Id: svgamesa24.c,v 1.4 2000/01/25 00:03:02 brianp Exp $ */
|
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|
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/*
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* Mesa 3-D graphics library
|
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* Version: 3.2
|
||||
* Version: 3.3
|
||||
* Copyright (C) 1995-2000 Brian Paul
|
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*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
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@ -30,11 +30,11 @@
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#ifdef SVGA
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#include "svgapix.h"
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#include "svgamesa24.h"
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_RGB * rgbBuffer;
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#if 0
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inline int RGB2BGR24(int c)
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static inline int RGB2BGR24(int c)
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{
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asm("rorw $8, %0\n"
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"rorl $16, %0\n"
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@ -44,7 +44,7 @@ inline int RGB2BGR24(int c)
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return c;
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}
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#else
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int RGB2BGR24(int c)
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static int RGB2BGR24(int c)
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{
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/* XXX this isn't right */
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return c;
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@ -53,26 +53,24 @@ int RGB2BGR24(int c)
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#endif
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int __svga_drawpixel24(int x, int y, GLubyte r, GLubyte g, GLubyte b)
|
||||
static void __svga_drawpixel24(int x, int y, GLubyte r, GLubyte g, GLubyte b)
|
||||
{
|
||||
unsigned long offset;
|
||||
|
||||
rgbBuffer=(void *)SVGABuffer.BackBuffer;
|
||||
_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;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
unsigned long __svga_getpixel24(int x, int y)
|
||||
static unsigned long __svga_getpixel24(int x, int y)
|
||||
{
|
||||
unsigned long offset;
|
||||
|
||||
rgbBuffer=(void *)SVGABuffer.BackBuffer;
|
||||
_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;
|
||||
|
|
@ -103,24 +101,47 @@ GLbitfield __clear24( GLcontext *ctx, GLbitfield mask, GLboolean all,
|
|||
{
|
||||
int i,j;
|
||||
|
||||
if (mask & GL_COLOR_BUFFER_BIT) {
|
||||
if (all) {
|
||||
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 {
|
||||
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);
|
||||
}
|
||||
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;
|
||||
}
|
||||
}
|
||||
return mask & (~GL_COLOR_BUFFER_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;
|
||||
}
|
||||
}
|
||||
return mask & (~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT));
|
||||
}
|
||||
|
||||
void __write_rgba_span24( const GLcontext *ctx, GLuint n, GLint x, GLint y,
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/* $Id: svgamesa32.c,v 1.3 2000/01/23 17:49:54 brianp Exp $ */
|
||||
/* $Id: svgamesa32.c,v 1.4 2000/01/25 00:03:02 brianp Exp $ */
|
||||
|
||||
/*
|
||||
* Mesa 3-D graphics library
|
||||
* Version: 3.2
|
||||
* Version: 3.3
|
||||
* Copyright (C) 1995-2000 Brian Paul
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
|
@ -30,11 +30,10 @@
|
|||
#ifdef SVGA
|
||||
|
||||
#include "svgapix.h"
|
||||
|
||||
GLint * intBuffer;
|
||||
#include "svgamesa32.h"
|
||||
|
||||
#if 0
|
||||
inline int RGB2BGR32(int c)
|
||||
static inline int RGB2BGR32(int c)
|
||||
{
|
||||
asm("rorw $8, %0\n"
|
||||
"rorl $16, %0\n"
|
||||
|
|
@ -44,29 +43,28 @@ inline int RGB2BGR32(int c)
|
|||
return c;
|
||||
}
|
||||
#else
|
||||
int RGB2BGR32(int c)
|
||||
static int RGB2BGR32(int c)
|
||||
{
|
||||
/* XXX this isn't right */
|
||||
return c;
|
||||
}
|
||||
#endif
|
||||
|
||||
int __svga_drawpixel32(int x, int y, unsigned long c)
|
||||
static void __svga_drawpixel32(int x, int y, unsigned long c)
|
||||
{
|
||||
unsigned long offset;
|
||||
|
||||
intBuffer=(void *)SVGABuffer.BackBuffer;
|
||||
GLint *intBuffer=(void *)SVGABuffer.DrawBuffer;
|
||||
y = SVGAInfo->height-y-1;
|
||||
offset = y * SVGAInfo->width + x;
|
||||
intBuffer[offset]=c;
|
||||
return 0;
|
||||
}
|
||||
|
||||
unsigned long __svga_getpixel32(int x, int y)
|
||||
static unsigned long __svga_getpixel32(int x, int y)
|
||||
{
|
||||
unsigned long offset;
|
||||
|
||||
intBuffer=(void *)SVGABuffer.BackBuffer;
|
||||
const GLint *intBuffer=(void *)SVGABuffer.ReadBuffer;
|
||||
y = SVGAInfo->height-y-1;
|
||||
offset = y * SVGAInfo->width + x;
|
||||
return intBuffer[offset];
|
||||
|
|
@ -94,17 +92,37 @@ GLbitfield __clear32( GLcontext *ctx, GLbitfield mask, GLboolean all,
|
|||
{
|
||||
int i,j;
|
||||
|
||||
if (mask & GL_COLOR_BUFFER_BIT) {
|
||||
if (all) {
|
||||
intBuffer=(void *)SVGABuffer.BackBuffer;
|
||||
for (i=0;i<SVGABuffer.BufferSize / 4;i++) intBuffer[i]=SVGAMesa->clear_truecolor;
|
||||
} else {
|
||||
for (i=x;i<width;i++)
|
||||
for (j=y;j<height;j++)
|
||||
__svga_drawpixel32(i,j,SVGAMesa->clear_truecolor);
|
||||
}
|
||||
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;
|
||||
}
|
||||
}
|
||||
return mask & (~GL_COLOR_BUFFER_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;
|
||||
}
|
||||
}
|
||||
return mask & (~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT));
|
||||
}
|
||||
|
||||
void __write_rgba_span32( const GLcontext *ctx, GLuint n, GLint x, GLint y,
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/* $Id: svgamesa8.c,v 1.3 2000/01/23 17:49:54 brianp Exp $ */
|
||||
/* $Id: svgamesa8.c,v 1.4 2000/01/25 00:03:02 brianp Exp $ */
|
||||
|
||||
/*
|
||||
* Mesa 3-D graphics library
|
||||
* Version: 3.2
|
||||
* Version: 3.3
|
||||
* Copyright (C) 1995-2000 Brian Paul
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
|
@ -31,25 +31,22 @@
|
|||
|
||||
|
||||
#include "svgapix.h"
|
||||
#include "svgamesa8.h"
|
||||
|
||||
int __svga_drawpixel8(int x, int y, unsigned long c)
|
||||
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.BackBuffer[offset]=c;
|
||||
|
||||
return 0;
|
||||
SVGABuffer.DrawBuffer[offset]=c;
|
||||
}
|
||||
|
||||
unsigned long __svga_getpixel8(int x, int y)
|
||||
static unsigned long __svga_getpixel8(int x, int y)
|
||||
{
|
||||
unsigned long offset;
|
||||
|
||||
y = SVGAInfo->height-y-1;
|
||||
offset = y * SVGAInfo->linewidth + x;
|
||||
return SVGABuffer.BackBuffer[offset];
|
||||
return SVGABuffer.ReadBuffer[offset];
|
||||
}
|
||||
|
||||
void __set_index8( GLcontext *ctx, GLuint index )
|
||||
|
|
@ -67,18 +64,33 @@ GLbitfield __clear8( GLcontext *ctx, GLbitfield mask, GLboolean all,
|
|||
{
|
||||
int i,j;
|
||||
|
||||
if (mask & GL_COLOR_BUFFER_BIT) {
|
||||
|
||||
if (all)
|
||||
{
|
||||
memset(SVGABuffer.BackBuffer,SVGAMesa->clear_index,SVGABuffer.BufferSize);
|
||||
} else {
|
||||
for (i=x;i<width;i++)
|
||||
for (j=y;j<height;j++)
|
||||
__svga_drawpixel8(i,j,SVGAMesa->clear_index);
|
||||
}
|
||||
}
|
||||
return mask & (~GL_COLOR_BUFFER_BIT);
|
||||
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;
|
||||
}
|
||||
}
|
||||
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;
|
||||
}
|
||||
}
|
||||
return mask & (~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT));
|
||||
}
|
||||
|
||||
void __write_ci32_span8( const GLcontext *ctx, GLuint n, GLint x, GLint y,
|
||||
|
|
|
|||
|
|
@ -1,8 +1,8 @@
|
|||
/* $Id: svgapix.h,v 1.2 2000/01/22 20:08:36 brianp Exp $ */
|
||||
/* $Id: svgapix.h,v 1.3 2000/01/25 00:03:02 brianp Exp $ */
|
||||
|
||||
/*
|
||||
* Mesa 3-D graphics library
|
||||
* Version: 3.2
|
||||
* Version: 3.3
|
||||
* Copyright (C) 1995-2000 Brian Paul
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
|
|
@ -62,6 +62,8 @@ struct svga_buffer {
|
|||
GLubyte * FrontBuffer;
|
||||
GLubyte * BackBuffer;
|
||||
GLubyte * VideoRam;
|
||||
GLubyte * DrawBuffer; /* == FrontBuffer or BackBuffer */
|
||||
GLubyte * ReadBuffer; /* == FrontBuffer or BackBuffer */
|
||||
};
|
||||
|
||||
extern struct svga_buffer SVGABuffer;
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue