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/* -*- mode: c; c-basic-offset: 3 -*- */
/*
* Copyright 2000 Gareth Hughes
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Authors:
* Gareth Hughes <gareth@valinux.com>
* Leif Delgass <ldelgass@retinalburn.net>
* José Fonseca <j_r_fonseca@yahoo.co.uk>
*/
#ifndef __MACH64_TEX_H__
#define __MACH64_TEX_H__
extern void mach64UpdateTextureState( struct gl_context *ctx );
extern void mach64UploadTexImages( mach64ContextPtr mach64ctx,
mach64TexObjPtr t );
extern void mach64UploadMultiTexImages( mach64ContextPtr mach64ctx,
mach64TexObjPtr t0, mach64TexObjPtr t1 );
extern void mach64DestroyTexObj( mach64ContextPtr mach64ctx,
mach64TexObjPtr t );
extern void mach64EmitTexStateLocked( mach64ContextPtr mmesa,
mach64TexObjPtr t0,
mach64TexObjPtr t1 );
extern void mach64InitTextureFuncs( struct dd_function_table *functions );
/* ================================================================
* Color conversion macros:
*/
#define MACH64PACKCOLOR332(r, g, b) \
(((r) & 0xe0) | (((g) & 0xe0) >> 3) | (((b) & 0xc0) >> 6))
#define MACH64PACKCOLOR1555(r, g, b, a) \
((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
((a) ? 0x8000 : 0))
#define MACH64PACKCOLOR565(r, g, b) \
((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
#define MACH64PACKCOLOR888(r, g, b) \
(((r) << 16) | ((g) << 8) | (b))
#define MACH64PACKCOLOR8888(r, g, b, a) \
(((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
#define MACH64PACKCOLOR4444(r, g, b, a) \
((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
static INLINE GLuint mach64PackColor( GLuint cpp,
GLubyte r, GLubyte g,
GLubyte b, GLubyte a )
{
switch ( cpp ) {
case 2:
return MACH64PACKCOLOR565( r, g, b );
case 4:
return MACH64PACKCOLOR8888( r, g, b, a );
default:
return 0;
}
}
#endif
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