/* * Snes9x - Portable Super Nintendo Entertainment System (TM) emulator. * * (c) Copyright 1996, 1997, 1998 Gary Henderson (gary@daniver.demon.co.uk) and * Jerremy Koot (jkoot@snes9x.com) * * Super FX C emulator code * (c) Copyright 1997, 1998 Ivar (Ivar@snes9x.com) and * Gary Henderson. * Super FX assembler emulator code (c) Copyright 1998 zsKnight and _Demo_. * * DSP1 emulator code (c) Copyright 1998 Ivar, _Demo_ and Gary Henderson. * DOS port code contains the works of other authors. See headers in * individual files. * * Snes9x homepage: www.snes9x.com * * Permission to use, copy, modify and 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. * * Snes9x is freeware for PERSONAL USE only. Commercial users should * seek permission of the copyright holders first. Commercial use includes * charging money for Snes9x or software derived from Snes9x. * * 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 }; #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(Pixel,R,G,B) ((*GFX.DecomposePixel) (Pixel, R,G,B)) 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 MAX_RED; extern uint32 MAX_GREEN; extern uint32 MAX_BLUE; extern uint32 SPARE_RGB_BIT_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; #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 // 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 // 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 // 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 // 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_BLUE_GBR565 63 #define MAX_GREEN_GBR565 31 #define RED_LOW_BIT_MASK_GBR565 0x0001 #define BLUE_LOW_BIT_MASK_GBR565 0x0040 #define GREEN_LOW_BIT_MASK_GBR565 0x0800 #define RED_HI_BIT_MASK_GBR565 0x0010 #define BLUE_HI_BIT_MASK_GBR565 0x0400 #define GREEN_HI_BIT_MASK_GBR565 0x8000 // 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_BLUE_GBR555 31 #define MAX_GREEN_GBR555 31 #define RED_LOW_BIT_MASK_GBR555 0x0001 #define BLUE_LOW_BIT_MASK_GBR555 0x0020 #define GREEN_LOW_BIT_MASK_GBR555 0x0400 #define RED_HI_BIT_MASK_GBR555 0x0010 #define BLUE_HI_BIT_MASK_GBR555 0x0200 #define GREEN_HI_BIT_MASK_GBR555 0x4000 #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_BLUE_D(F) CONCAT(MAX_BLUE_,F) #define MAX_GREEN_D(F) CONCAT(MAX_GREEN_,F) #define RED_LOW_BIT_MASK_D(F) CONCAT(RED_LOW_BIT_MASK_,F) #define BLUE_LOW_BIT_MASK_D(F) CONCAT(BLUE_LOW_BIT_MASK_,F) #define GREEN_LOW_BIT_MASK_D(F) CONCAT(GREEN_LOW_BIT_MASK_,F) #define RED_HI_BIT_MASK_D(F) CONCAT(RED_HI_BIT_MASK_,F) #define BLUE_HI_BIT_MASK_D(F) CONCAT(BLUE_HI_BIT_MASK_,F) #define GREEN_HI_BIT_MASK_D(F) CONCAT(GREEN_HI_BIT_MASK_,F) #define MAX_RED MAX_RED_D(PIXEL_FORMAT) #define MAX_BLUE MAX_BLUE_D(PIXEL_FORMAT) #define MAX_GREEN MAX_GREEN_D(PIXEL_FORMAT) #define RED_LOW_BIT_MASK RED_LOW_BIT_MASK_D(PIXEL_FORMAT) #define BLUE_LOW_BIT_MASK BLUE_LOW_BIT_MASK_D(PIXEL_FORMAT) #define GREEN_LOW_BIT_MASK GREEN_LOW_BIT_MASK_D(PIXEL_FORMAT) #define RED_HI_BIT_MASK RED_HI_BIT_MASK_D(PIXEL_FORMAT) #define BLUE_HI_BIT_MASK BLUE_HI_BIT_MASK_D(PIXEL_FORMAT) #define GREEN_HI_BIT_MASK GREEN_HI_BIT_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) #endif #endif