| /* $XFree86$ */ /* -*- 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( GLcontext *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 |