added GL_IBM_rasterpos_clip extension

1 files changed, 16 insertions, 4 deletions

diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
index 963eb06b44d..7d29257c497 100644
--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -1,4 +1,4 @@
-/* $Id: drawpix.c,v 1.54 2001/06/18 17:26:08 brianp Exp $ */
+/* $Id: drawpix.c,v 1.55 2001/06/26 01:32:48 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -64,9 +64,13 @@ _mesa_DrawPixels( GLsizei width, GLsizei height,
          _mesa_update_state(ctx);
       }
 
+#if 1
       x = IROUND(ctx->Current.RasterPos[0]);
       y = IROUND(ctx->Current.RasterPos[1]);
-
+#else
+      x = IFLOOR(ctx->Current.RasterPos[0]);
+      y = IFLOOR(ctx->Current.RasterPos[1]);
+#endif
       ctx->OcclusionResult = GL_TRUE;
       ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
 			     &ctx->Unpack, pixels);
@@ -142,9 +146,13 @@ _mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
       if (!ctx->Current.RasterPosValid) {
 	 return;
       }
+#if 1
       destx = IROUND(ctx->Current.RasterPos[0]);
       desty = IROUND(ctx->Current.RasterPos[1]);
-
+#else
+      destx = IFLOOR(ctx->Current.RasterPos[0]);
+      desty = IFLOOR(ctx->Current.RasterPos[1]);
+#endif
       ctx->OcclusionResult = GL_TRUE;
 
       ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
@@ -187,9 +195,13 @@ _mesa_Bitmap( GLsizei width, GLsizei height,
 
    if (ctx->RenderMode==GL_RENDER) {
       if (bitmap) {
+#if 0
          GLint x = (GLint) ( (ctx->Current.RasterPos[0] - xorig) + 0.0F );
          GLint y = (GLint) ( (ctx->Current.RasterPos[1] - yorig) + 0.0F );
-
+#else
+         GLint x = IFLOOR(ctx->Current.RasterPos[0] - xorig);
+         GLint y = IFLOOR(ctx->Current.RasterPos[1] - yorig);
+#endif
          if (ctx->NewState) {
             _mesa_update_state(ctx);
          }