CnC_Remastered_Collection/TIBERIANDAWN/WIN32LIB/GBUFFER.INC

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;
; Copyright 2020 Electronic Arts Inc.
;
; TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
; software: you can redistribute it and/or modify it under the terms of
; the GNU General Public License as published by the Free Software Foundation,
; either version 3 of the License, or (at your option) any later version.
; TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
; in the hope that it will be useful, but with permitted additional restrictions
; under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
; distributed with this program. You should have received a copy of the
; GNU General Public License along with permitted additional restrictions
; with this program. If not, see [https://github.com/electronicarts/CnC_Remastered_Collection]>.
;***************************************************************************
;** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
;***************************************************************************
;* *
;* Project Name : Westwood 32 Bit Library *
;* *
;* File Name : GBUFFER.INC *
;* *
;* Programmer : Phil W. Gorrow *
;* *
;* Start Date : May 26, 1994 *
;* *
;* Last Update : May 26, 1994 [PWG] *
;* *
;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
;******************************************************************************
; Much testing was done to determine that only when there are 14 or more bytes
; being copied does it speed the time it takes to do copies in this algorithm.
; For this reason and because 1 and 2 byte copies crash, is the special case
; used. SKB 4/21/94. Tested on 486 66mhz. Copied by PWG 6/7/04.
OPTIMAL_BYTE_COPY equ 14
GraphicViewPort struct
GVPOffset DD ? ; offset to virtual viewport
GVPWidth DD ? ; width of virtual viewport
GVPHeight DD ? ; height of virtual viewport
GVPXAdd DD ? ; x mod to get to next line
GVPXPos DD ? ; x pos relative to Graphic Buff
GVPYPos DD ? ; y pos relative to Graphic Buff
GVPPitch dd ? ; modulo of graphic view port
GVPBuffPtr DD ? ; ptr to associated Graphic Buff
GraphicViewPort ends