gallium/draw: initial code to properly support llvm in the draw module

[mesa.git] / src / mesa / drivers / svga / svgamesa16.c

diff --git a/src/mesa/drivers/svga/svgamesa16.c b/src/mesa/drivers/svga/svgamesa16.c
index ed36beca24451cb6704266d6a7675b221422eef4..9fc8c786e8d9da408872d1cee98687d6ffd383fb 100644 (file)
--- a/src/mesa/drivers/svga/svgamesa16.c
+++ b/src/mesa/drivers/svga/svgamesa16.c
@@ -1,9 +1,8 @@
-/* $Id: svgamesa16.c,v 1.9 2001/02/06 00:03:48 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
@@ -57,18 +56,26 @@ static unsigned long __svga_getpixel16(int x, int y)
     return shortBuffer[offset];
 }
 
-void __clear_color16( GLcontext *ctx, const GLchan color[4] )
+void __clear_color16( GLcontext *ctx, const GLfloat color[4] )
 {
-    SVGAMesa->clear_hicolor = (color[0] >> 3) << 11 |
-                              (color[1] >> 2) << 5 |
-                              (color[2] >> 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); */
 }   
 
-void __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) {
@@ -104,7 +111,7 @@ void __clear16( GLcontext *ctx, GLbitfield mask, GLboolean all,
    }
 
    if (mask)
-      _swrast_Clear( ctx, mask, all, x, y, width, height );
+      _swrast_Clear( ctx, mask );
 }
 
 void __write_rgba_span16( const GLcontext *ctx, GLuint n, GLint x, GLint y,