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pixform.h
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pixform.h
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/***********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2017 BearOso,
OV2
(c) Copyright 2017 qwertymodo
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com),
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001 - 2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2017 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2017 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com/
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
***********************************************************************************/
#ifndef _PIXFORM_H_
#define _PIXFORM_H_
#ifdef GFX_MULTI_FORMAT
enum { RGB565, RGB555, BGR565, BGR555, GBR565, GBR555, RGB5551 };
#define BUILD_PIXEL(R, G, B) ((*GFX.BuildPixel) (R, G, B))
#define BUILD_PIXEL2(R, G, B) ((*GFX.BuildPixel2) (R, G, B))
#define DECOMPOSE_PIXEL(PIX, R, G, B) ((*GFX.DecomposePixel) (PIX, R, G, B))
extern uint32 MAX_RED;
extern uint32 MAX_GREEN;
extern uint32 MAX_BLUE;
extern uint32 RED_LOW_BIT_MASK;
extern uint32 GREEN_LOW_BIT_MASK;
extern uint32 BLUE_LOW_BIT_MASK;
extern uint32 RED_HI_BIT_MASK;
extern uint32 GREEN_HI_BIT_MASK;
extern uint32 BLUE_HI_BIT_MASK;
extern uint32 FIRST_COLOR_MASK;
extern uint32 SECOND_COLOR_MASK;
extern uint32 THIRD_COLOR_MASK;
extern uint32 ALPHA_BITS_MASK;
extern uint32 GREEN_HI_BIT;
extern uint32 RGB_LOW_BITS_MASK;
extern uint32 RGB_HI_BITS_MASK;
extern uint32 RGB_HI_BITS_MASKx2;
extern uint32 RGB_REMOVE_LOW_BITS_MASK;
extern uint32 FIRST_THIRD_COLOR_MASK;
extern uint32 TWO_LOW_BITS_MASK;
extern uint32 HIGH_BITS_SHIFTED_TWO_MASK;
extern uint32 SPARE_RGB_BIT_MASK;
#endif
/* RGB565 format */
#define BUILD_PIXEL_RGB565(R, G, B) (((int) (R) << 11) | ((int) (G) << 6) | (int) (B))
#define BUILD_PIXEL2_RGB565(R, G, B) (((int) (R) << 11) | ((int) (G) << 5) | (int) (B))
#define DECOMPOSE_PIXEL_RGB565(PIX, R, G, B) { (R) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (B) = (PIX) & 0x1f; }
#define SPARE_RGB_BIT_MASK_RGB565 (1 << 5)
#define MAX_RED_RGB565 31
#define MAX_GREEN_RGB565 63
#define MAX_BLUE_RGB565 31
#define RED_LOW_BIT_MASK_RGB565 0x0800
#define GREEN_LOW_BIT_MASK_RGB565 0x0020
#define BLUE_LOW_BIT_MASK_RGB565 0x0001
#define RED_HI_BIT_MASK_RGB565 0x8000
#define GREEN_HI_BIT_MASK_RGB565 0x0400
#define BLUE_HI_BIT_MASK_RGB565 0x0010
#define FIRST_COLOR_MASK_RGB565 0xF800
#define SECOND_COLOR_MASK_RGB565 0x07E0
#define THIRD_COLOR_MASK_RGB565 0x001F
#define ALPHA_BITS_MASK_RGB565 0x0000
/* RGB555 format */
#define BUILD_PIXEL_RGB555(R, G, B) (((int) (R) << 10) | ((int) (G) << 5) | (int) (B))
#define BUILD_PIXEL2_RGB555(R, G, B) (((int) (R) << 10) | ((int) (G) << 5) | (int) (B))
#define DECOMPOSE_PIXEL_RGB555(PIX, R, G, B) { (R) = (PIX) >> 10; (G) = ((PIX) >> 5) & 0x1f; (B) = (PIX) & 0x1f; }
#define SPARE_RGB_BIT_MASK_RGB555 (1 << 15)
#define MAX_RED_RGB555 31
#define MAX_GREEN_RGB555 31
#define MAX_BLUE_RGB555 31
#define RED_LOW_BIT_MASK_RGB555 0x0400
#define GREEN_LOW_BIT_MASK_RGB555 0x0020
#define BLUE_LOW_BIT_MASK_RGB555 0x0001
#define RED_HI_BIT_MASK_RGB555 0x4000
#define GREEN_HI_BIT_MASK_RGB555 0x0200
#define BLUE_HI_BIT_MASK_RGB555 0x0010
#define FIRST_COLOR_MASK_RGB555 0x7C00
#define SECOND_COLOR_MASK_RGB555 0x03E0
#define THIRD_COLOR_MASK_RGB555 0x001F
#define ALPHA_BITS_MASK_RGB555 0x0000
/* BGR565 format */
#define BUILD_PIXEL_BGR565(R, G, B) (((int) (B) << 11) | ((int) (G) << 6) | (int) (R))
#define BUILD_PIXEL2_BGR565(R, G, B) (((int) (B) << 11) | ((int) (G) << 5) | (int) (R))
#define DECOMPOSE_PIXEL_BGR565(PIX, R, G, B) { (B) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (R) = (PIX) & 0x1f; }
#define SPARE_RGB_BIT_MASK_BGR565 (1 << 5)
#define MAX_RED_BGR565 31
#define MAX_GREEN_BGR565 63
#define MAX_BLUE_BGR565 31
#define RED_LOW_BIT_MASK_BGR565 0x0001
#define GREEN_LOW_BIT_MASK_BGR565 0x0040
#define BLUE_LOW_BIT_MASK_BGR565 0x0800
#define RED_HI_BIT_MASK_BGR565 0x0010
#define GREEN_HI_BIT_MASK_BGR565 0x0400
#define BLUE_HI_BIT_MASK_BGR565 0x8000
#define FIRST_COLOR_MASK_BGR565 0xF800
#define SECOND_COLOR_MASK_BGR565 0x07E0
#define THIRD_COLOR_MASK_BGR565 0x001F
#define ALPHA_BITS_MASK_BGR565 0x0000
/* BGR555 format */
#define BUILD_PIXEL_BGR555(R, G, B) (((int) (B) << 10) | ((int) (G) << 5) | (int) (R))
#define BUILD_PIXEL2_BGR555(R, G, B) (((int) (B) << 10) | ((int) (G) << 5) | (int) (R))
#define DECOMPOSE_PIXEL_BGR555(PIX, R, G, B) { (B) = (PIX) >> 10; (G) = ((PIX) >> 5) & 0x1f; (R) = (PIX) & 0x1f; }
#define SPARE_RGB_BIT_MASK_BGR555 (1 << 15)
#define MAX_RED_BGR555 31
#define MAX_GREEN_BGR555 31
#define MAX_BLUE_BGR555 31
#define RED_LOW_BIT_MASK_BGR555 0x0001
#define GREEN_LOW_BIT_MASK_BGR555 0x0020
#define BLUE_LOW_BIT_MASK_BGR555 0x0400
#define RED_HI_BIT_MASK_BGR555 0x0010
#define GREEN_HI_BIT_MASK_BGR555 0x0200
#define BLUE_HI_BIT_MASK_BGR555 0x4000
#define FIRST_COLOR_MASK_BGR555 0x7C00
#define SECOND_COLOR_MASK_BGR555 0x03E0
#define THIRD_COLOR_MASK_BGR555 0x001F
#define ALPHA_BITS_MASK_BGR555 0x0000
/* GBR565 format */
#define BUILD_PIXEL_GBR565(R, G, B) (((int) (G) << 11) | ((int) (B) << 6) | (int) (R))
#define BUILD_PIXEL2_GBR565(R, G, B) (((int) (G) << 11) | ((int) (B) << 5) | (int) (R))
#define DECOMPOSE_PIXEL_GBR565(PIX, R, G, B) { (G) = (PIX) >> 11; (B) = ((PIX) >> 6) & 0x1f; (R) = (PIX) & 0x1f; }
#define SPARE_RGB_BIT_MASK_GBR565 (1 << 5)
#define MAX_RED_GBR565 31
#define MAX_GREEN_GBR565 31
#define MAX_BLUE_GBR565 63
#define RED_LOW_BIT_MASK_GBR565 0x0001
#define GREEN_LOW_BIT_MASK_GBR565 0x0800
#define BLUE_LOW_BIT_MASK_GBR565 0x0040
#define RED_HI_BIT_MASK_GBR565 0x0010
#define GREEN_HI_BIT_MASK_GBR565 0x8000
#define BLUE_HI_BIT_MASK_GBR565 0x0400
#define FIRST_COLOR_MASK_GBR565 0xF800
#define SECOND_COLOR_MASK_GBR565 0x07E0
#define THIRD_COLOR_MASK_GBR565 0x001F
#define ALPHA_BITS_MASK_GBR565 0x0000
/* GBR555 format */
#define BUILD_PIXEL_GBR555(R, G, B) (((int) (G) << 10) | ((int) (B) << 5) | (int) (R))
#define BUILD_PIXEL2_GBR555(R, G, B) (((int) (G) << 10) | ((int) (B) << 5) | (int) (R))
#define DECOMPOSE_PIXEL_GBR555(PIX, R, G, B) { (G) = (PIX) >> 10; (B) = ((PIX) >> 5) & 0x1f; (R) = (PIX) & 0x1f; }
#define SPARE_RGB_BIT_MASK_GBR555 (1 << 15)
#define MAX_RED_GBR555 31
#define MAX_GREEN_GBR555 31
#define MAX_BLUE_GBR555 31
#define RED_LOW_BIT_MASK_GBR555 0x0001
#define GREEN_LOW_BIT_MASK_GBR555 0x0400
#define BLUE_LOW_BIT_MASK_GBR555 0x0020
#define RED_HI_BIT_MASK_GBR555 0x0010
#define GREEN_HI_BIT_MASK_GBR555 0x4000
#define BLUE_HI_BIT_MASK_GBR555 0x0200
#define FIRST_COLOR_MASK_GBR555 0x7C00
#define SECOND_COLOR_MASK_GBR555 0x03E0
#define THIRD_COLOR_MASK_GBR555 0x001F
#define ALPHA_BITS_MASK_GBR555 0x0000
/* RGB5551 format */
#define BUILD_PIXEL_RGB5551(R, G, B) (((int) (R) << 11) | ((int) (G) << 6) | (int) ((B) << 1) | 1)
#define BUILD_PIXEL2_RGB5551(R, G, B) (((int) (R) << 11) | ((int) (G) << 6) | (int) ((B) << 1) | 1)
#define DECOMPOSE_PIXEL_RGB5551(PIX, R, G, B) { (R) = (PIX) >> 11; (G) = ((PIX) >> 6) & 0x1f; (B) = ((PIX) >> 1) & 0x1f; }
#define SPARE_RGB_BIT_MASK_RGB5551 (1)
#define MAX_RED_RGB5551 31
#define MAX_GREEN_RGB5551 31
#define MAX_BLUE_RGB5551 31
#define RED_LOW_BIT_MASK_RGB5551 0x0800
#define GREEN_LOW_BIT_MASK_RGB5551 0x0040
#define BLUE_LOW_BIT_MASK_RGB5551 0x0002
#define RED_HI_BIT_MASK_RGB5551 0x8000
#define GREEN_HI_BIT_MASK_RGB5551 0x0400
#define BLUE_HI_BIT_MASK_RGB5551 0x0020
#define FIRST_COLOR_MASK_RGB5551 0xf800
#define SECOND_COLOR_MASK_RGB5551 0x07c0
#define THIRD_COLOR_MASK_RGB5551 0x003e
#define ALPHA_BITS_MASK_RGB5551 0x0001
#ifndef GFX_MULTI_FORMAT
#define CONCAT(X, Y) X##Y
// C pre-processor needs a two stage macro define to enable it to concat
// to macro names together to form the name of another macro.
#define BUILD_PIXEL_D(F, R, G, B) CONCAT(BUILD_PIXEL_,F) (R, G, B)
#define BUILD_PIXEL2_D(F, R, G, B) CONCAT(BUILD_PIXEL2_,F) (R, G, B)
#define DECOMPOSE_PIXEL_D(F, PIX, R, G, B) CONCAT(DECOMPOSE_PIXEL_,F) (PIX, R, G, B)
#define BUILD_PIXEL(R, G, B) BUILD_PIXEL_D(PIXEL_FORMAT, R, G, B)
#define BUILD_PIXEL2(R, G, B) BUILD_PIXEL2_D(PIXEL_FORMAT, R, G, B)
#define DECOMPOSE_PIXEL(PIX, R, G, B) DECOMPOSE_PIXEL_D(PIXEL_FORMAT, PIX, R, G, B)
#define MAX_RED_D(F) CONCAT(MAX_RED_, F)
#define MAX_GREEN_D(F) CONCAT(MAX_GREEN_, F)
#define MAX_BLUE_D(F) CONCAT(MAX_BLUE_, F)
#define RED_LOW_BIT_MASK_D(F) CONCAT(RED_LOW_BIT_MASK_, F)
#define GREEN_LOW_BIT_MASK_D(F) CONCAT(GREEN_LOW_BIT_MASK_, F)
#define BLUE_LOW_BIT_MASK_D(F) CONCAT(BLUE_LOW_BIT_MASK_, F)
#define RED_HI_BIT_MASK_D(F) CONCAT(RED_HI_BIT_MASK_, F)
#define GREEN_HI_BIT_MASK_D(F) CONCAT(GREEN_HI_BIT_MASK_, F)
#define BLUE_HI_BIT_MASK_D(F) CONCAT(BLUE_HI_BIT_MASK_, F)
#define FIRST_COLOR_MASK_D(F) CONCAT(FIRST_COLOR_MASK_, F)
#define SECOND_COLOR_MASK_D(F) CONCAT(SECOND_COLOR_MASK_, F)
#define THIRD_COLOR_MASK_D(F) CONCAT(THIRD_COLOR_MASK_, F)
#define ALPHA_BITS_MASK_D(F) CONCAT(ALPHA_BITS_MASK_, F)
#define MAX_RED MAX_RED_D(PIXEL_FORMAT)
#define MAX_GREEN MAX_GREEN_D(PIXEL_FORMAT)
#define MAX_BLUE MAX_BLUE_D(PIXEL_FORMAT)
#define RED_LOW_BIT_MASK RED_LOW_BIT_MASK_D(PIXEL_FORMAT)
#define GREEN_LOW_BIT_MASK GREEN_LOW_BIT_MASK_D(PIXEL_FORMAT)
#define BLUE_LOW_BIT_MASK BLUE_LOW_BIT_MASK_D(PIXEL_FORMAT)
#define RED_HI_BIT_MASK RED_HI_BIT_MASK_D(PIXEL_FORMAT)
#define GREEN_HI_BIT_MASK GREEN_HI_BIT_MASK_D(PIXEL_FORMAT)
#define BLUE_HI_BIT_MASK BLUE_HI_BIT_MASK_D(PIXEL_FORMAT)
#define FIRST_COLOR_MASK FIRST_COLOR_MASK_D(PIXEL_FORMAT)
#define SECOND_COLOR_MASK SECOND_COLOR_MASK_D(PIXEL_FORMAT)
#define THIRD_COLOR_MASK THIRD_COLOR_MASK_D(PIXEL_FORMAT)
#define ALPHA_BITS_MASK ALPHA_BITS_MASK_D(PIXEL_FORMAT)
#define GREEN_HI_BIT ((MAX_GREEN + 1) >> 1)
#define RGB_LOW_BITS_MASK (RED_LOW_BIT_MASK | GREEN_LOW_BIT_MASK | BLUE_LOW_BIT_MASK)
#define RGB_HI_BITS_MASK (RED_HI_BIT_MASK | GREEN_HI_BIT_MASK | BLUE_HI_BIT_MASK)
#define RGB_HI_BITS_MASKx2 ((RED_HI_BIT_MASK | GREEN_HI_BIT_MASK | BLUE_HI_BIT_MASK) << 1)
#define RGB_REMOVE_LOW_BITS_MASK (~RGB_LOW_BITS_MASK)
#define FIRST_THIRD_COLOR_MASK (FIRST_COLOR_MASK | THIRD_COLOR_MASK)
#define TWO_LOW_BITS_MASK (RGB_LOW_BITS_MASK | (RGB_LOW_BITS_MASK << 1))
#define HIGH_BITS_SHIFTED_TWO_MASK (((FIRST_COLOR_MASK | SECOND_COLOR_MASK | THIRD_COLOR_MASK) & ~TWO_LOW_BITS_MASK ) >> 2)
#endif
#endif