-/* $Id: svgamesa16.c,v 1.7 2000/11/14 17:40:14 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
- * Copyright (C) 1995-2000 Brian Paul
+ * 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
#include "svgapix.h"
#include "svgamesa16.h"
+#include "swrast/swrast.h"
static void __svga_drawpixel16(int x, int y, unsigned long c)
return shortBuffer[offset];
}
-void __clear_color16( GLcontext *ctx,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha )
+void __clear_color16( GLcontext *ctx, const GLfloat color[4] )
{
- SVGAMesa->clear_hicolor=(red>>3)<<11 | (green>>2)<<5 | (blue>>3);
+ 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) << 11 |
+ (col[1] >> 2) << 5 |
+ (col[2] >> 3);
/* SVGAMesa->clear_hicolor=(red)<<11 | (green)<<5 | (blue); */
}
-GLbitfield __clear16( GLcontext *ctx, GLbitfield mask, GLboolean all,
- GLint x, GLint y, GLint width, GLint height )
+void __clear16( 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) {
__svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
SVGABuffer.DrawBuffer = tmp;
}
- }
+ mask &= ~DD_FRONT_LEFT_BIT;
+ }
if (mask & DD_BACK_LEFT_BIT) {
if (all) {
GLshort *shortBuffer=(void *)SVGABuffer.BackBuffer;
__svga_drawpixel16(i,j,SVGAMesa->clear_hicolor);
SVGABuffer.DrawBuffer = tmp;
}
- }
- return mask & (~(DD_FRONT_LEFT_BIT | DD_BACK_LEFT_BIT));
+ mask &= ~DD_BACK_LEFT_BIT;
+ }
+
+ if (mask)
+ _swrast_Clear( ctx, mask );
}
void __write_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y,