-/* $Id: svgamesa16.c,v 1.5 2000/01/31 22:10:06 tanner 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 __set_color16( GLcontext *ctx,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha )
+void __clear_color16( GLcontext *ctx, const GLfloat color[4] )
{
- SVGAMesa->hicolor=(red>>3)<<11 | (green>>2)<<5 | (blue>>3);
-/* SVGAMesa->hicolor=(red)<<11 | (green)<<5 | (blue); */
-}
-
-void __clear_color16( GLcontext *ctx,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha )
-{
- 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,
void __write_mono_rgba_span16( const GLcontext *ctx,
GLuint n, GLint x, GLint y,
- const GLubyte mask[])
+ const GLchan color[4], const GLubyte mask[])
{
+ GLushort hicolor=(color[RCOMP]>>3)<<11 | (color[GCOMP]>>2)<<5 | (color[BCOMP]>>3);
int i;
for (i=0; i<n; i++, x++) {
if (mask[i]) {
- __svga_drawpixel16( x, y, SVGAMesa->hicolor);
+ __svga_drawpixel16( x, y, hicolor);
}
}
}
void __write_mono_rgba_pixels16( const GLcontext *ctx,
GLuint n,
const GLint x[], const GLint y[],
- const GLubyte mask[] )
+ const GLchan color[4], const GLubyte mask[] )
{
+ GLushort hicolor=(color[RCOMP]>>3)<<11 | (color[GCOMP]>>2)<<5 | (color[BCOMP]>>3);
int i;
- /* use current rgb color */
for (i=0; i<n; i++) {
if (mask[i]) {
- __svga_drawpixel16( x[i], y[i], SVGAMesa->hicolor );
+ __svga_drawpixel16( x[i], y[i], hicolor );
}
}
}
}
}
+#else
+
+
+/* silence compiler warning */
+extern void _mesa_svga16_dummy_function(void);
+void _mesa_svga16_dummy_function(void)
+{
+}
+
+
#endif