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GL_MESA_pack_invert

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This commit is contained in:
Brian Paul
2002-09-21 17:34:56 +00:00
parent c5b9950660
commit 551b65f137
6 changed files with 64 additions and 12 deletions
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13
src/mesa/main/pixel.c
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@@ -1,4 +1,4 @@
/* $Id: pixel.c,v 1.35 2002/09/21 16:51:25 brianp Exp $ */
/* $Id: pixel.c,v 1.36 2002/09/21 17:34:56 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -146,6 +146,17 @@ _mesa_PixelStorei( GLenum pname, GLint param )
FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
ctx->Pack.Alignment = param;
break;
case GL_PACK_INVERT_MESA:
if (!ctx->Extensions.MESA_pack_invert) {
_mesa_error( ctx, GL_INVALID_ENUM, "glPixelstore(pname)" );
return;
}
if (ctx->Pack.Invert == param)
return;
FLUSH_VERTICES(ctx, _NEW_PACKUNPACK);
ctx->Pack.Invert = param;
break;
case GL_UNPACK_SWAP_BYTES:
if (param == (GLint)ctx->Unpack.SwapBytes)
return;