mirror of
https://github.com/ZDoom/raze-gles.git
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309 lines
11 KiB
C++
309 lines
11 KiB
C++
/*---------------------------------------------------------------------------
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**
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** Copyright(C) 2017 Magnus Norddahl
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** Copyright(C) 2017-2020 Rachael Alexanderson
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <math.h>
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#include "c_dispatch.h"
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#include "c_cvars.h"
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#include "v_video.h"
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#include "templates.h"
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#include "r_videoscale.h"
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#include "console/c_console.h"
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#include "menu/menu.h"
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#define NUMSCALEMODES countof(vScaleTable)
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bool setsizeneeded;
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//extern bool generic_ui;
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EXTERN_CVAR(Int, vid_aspect)
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EXTERN_CVAR(Bool, log_vgafont)
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EXTERN_CVAR(Bool, dlg_vgafont)
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CUSTOM_CVAR(Int, vid_scale_customwidth, VID_MIN_WIDTH, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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if (self < VID_MIN_WIDTH)
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self = VID_MIN_WIDTH;
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setsizeneeded = true;
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}
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CUSTOM_CVAR(Int, vid_scale_customheight, VID_MIN_HEIGHT, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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if (self < VID_MIN_HEIGHT)
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self = VID_MIN_HEIGHT;
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setsizeneeded = true;
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}
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CVAR(Bool, vid_scale_linear, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CUSTOM_CVAR(Float, vid_scale_custompixelaspect, 1.0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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setsizeneeded = true;
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if (self < 0.2 || self > 5.0)
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self = 1.0;
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}
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namespace
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{
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uint32_t min_width = VID_MIN_WIDTH;
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uint32_t min_height = VID_MIN_HEIGHT;
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float v_MinimumToFill(uint32_t inwidth, uint32_t inheight)
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{
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// sx = screen x dimension, sy = same for y
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float sx = (float)inwidth, sy = (float)inheight;
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static float lastsx = 0., lastsy = 0., result = 0.;
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if (lastsx != sx || lastsy != sy)
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{
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if (sx <= 0. || sy <= 0.)
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return 1.; // prevent x/0 error
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// set absolute minimum scale to fill the entire screen but get as close to 640x400 as possible
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float ssx = (float)(min_width) / sx, ssy = (float)(min_height) / sy;
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result = (ssx < ssy) ? ssy : ssx;
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lastsx = sx;
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lastsy = sy;
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}
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return result;
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}
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inline uint32_t v_mfillX(uint32_t inwidth, uint32_t inheight)
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{
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return (uint32_t)((float)inwidth * v_MinimumToFill(inwidth, inheight));
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}
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inline uint32_t v_mfillY(uint32_t inwidth, uint32_t inheight)
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{
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return (uint32_t)((float)inheight * v_MinimumToFill(inwidth, inheight));
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}
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inline void refresh_minimums()
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{
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// specialUI is tracking a state where high-res console fonts are actually required, and
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// aren't actually rendered correctly in 320x200. this forces the game to revert to the 640x400
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// minimum set in GZDoom 4.0.0, but only while those fonts are required.
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static bool lastspecialUI = false;
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bool isInActualMenu = false;
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// bool specialUI = (generic_ui || !!log_vgafont || !!dlg_vgafont || ConsoleState != c_up ||
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// (menuactive == MENU_On && CurrentMenu && !CurrentMenu->IsKindOf("ConversationMenu")));
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bool specialUI = true;
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if (specialUI == lastspecialUI)
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return;
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lastspecialUI = specialUI;
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setsizeneeded = true;
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if (!specialUI)
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{
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min_width = VID_MIN_WIDTH;
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min_height = VID_MIN_HEIGHT;
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}
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else
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{
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min_width = VID_MIN_UI_WIDTH;
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min_height = VID_MIN_UI_HEIGHT;
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}
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}
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// the odd formatting of this struct definition is meant to resemble a table header. set your tab stops to 4 when editing this file.
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struct v_ScaleTable
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{ bool isValid; uint32_t(*GetScaledWidth)(uint32_t Width, uint32_t Height); uint32_t(*GetScaledHeight)(uint32_t Width, uint32_t Height); float pixelAspect; bool isCustom; };
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v_ScaleTable vScaleTable[] =
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{
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return Width; }, [](uint32_t Width, uint32_t Height)->uint32_t { return Height; }, 1.0f, false }, // 0 - Native
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return v_mfillX(Width, Height); }, [](uint32_t Width, uint32_t Height)->uint32_t { return v_mfillY(Width, Height); }, 1.0f, false }, // 6 - Minimum Scale to Fill Entire Screen
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return 640; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 400; }, 1.2f, false }, // 2 - 640x400 (formerly 320x200)
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return 960; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 600; }, 1.2f, false }, // 3 - 960x600 (formerly 640x400)
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return 1280; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 800; }, 1.2f, false }, // 4 - 1280x800
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return vid_scale_customwidth; }, [](uint32_t Width, uint32_t Height)->uint32_t { return vid_scale_customheight; }, 1.0f, true }, // 5 - Custom
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{ true, [](uint32_t Width, uint32_t Height)->uint32_t { return 320; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 200; }, 1.2f, false }, // 7 - 320x200
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};
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bool isOutOfBounds(int x)
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{
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return (x < 0 || x >= NUMSCALEMODES || vScaleTable[x].isValid == false);
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}
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}
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void R_ShowCurrentScaling();
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CUSTOM_CVAR(Float, vid_scalefactor, 1.0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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setsizeneeded = true;
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if (self < 0.05 || self > 2.0)
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self = 1.0;
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if (self != 1.0)
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R_ShowCurrentScaling();
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}
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CUSTOM_CVAR(Int, vid_scalemode, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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setsizeneeded = true;
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if (isOutOfBounds(self))
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self = 0;
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}
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CUSTOM_CVAR(Bool, vid_cropaspect, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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setsizeneeded = true;
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}
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bool ViewportLinearScale()
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{
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if (isOutOfBounds(vid_scalemode))
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vid_scalemode = 0;
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// always use linear if supersampling
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int x = screen->GetClientWidth(), y = screen->GetClientHeight();
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float aspectmult = ViewportPixelAspect();
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if (aspectmult > 1.f)
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aspectmult = 1.f / aspectmult;
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if ((ViewportScaledWidth(x,y) > (x * aspectmult)) || (ViewportScaledHeight(x,y) > (y * aspectmult)))
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return true;
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return vid_scale_linear;
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}
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int ViewportScaledWidth(int width, int height)
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{
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if (isOutOfBounds(vid_scalemode))
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vid_scalemode = 0;
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refresh_minimums();
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if (vid_cropaspect && height > 0)
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{
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width = ((float)width/height > ActiveRatio(width, height)) ? (int)(height * ActiveRatio(width, height)) : width;
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height = ((float)width/height < ActiveRatio(width, height)) ? (int)(width / ActiveRatio(width, height)) : height;
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}
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return (int)std::max((int32_t)min_width, (int32_t)(vid_scalefactor * vScaleTable[vid_scalemode].GetScaledWidth(width, height)));
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}
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int ViewportScaledHeight(int width, int height)
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{
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if (isOutOfBounds(vid_scalemode))
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vid_scalemode = 0;
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if (vid_cropaspect && height > 0)
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{
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height = ((float)width/height < ActiveRatio(width, height)) ? (int)(width / ActiveRatio(width, height)) : height;
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width = ((float)width/height > ActiveRatio(width, height)) ? (int)(height * ActiveRatio(width, height)) : width;
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}
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return (int)std::max((int32_t)min_height, (int32_t)(vid_scalefactor * vScaleTable[vid_scalemode].GetScaledHeight(width, height)));
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}
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float ViewportPixelAspect()
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{
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if (isOutOfBounds(vid_scalemode))
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vid_scalemode = 0;
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// hack - use custom scaling if in "custom" mode
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if (vScaleTable[vid_scalemode].isCustom)
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return vid_scale_custompixelaspect;
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return vScaleTable[vid_scalemode].pixelAspect;
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}
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void R_ShowCurrentScaling()
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{
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int x1 = screen->GetClientWidth(), y1 = screen->GetClientHeight(), x2 = ViewportScaledWidth(x1, y1), y2 = ViewportScaledHeight(x1, y1);
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Printf("Current vid_scalefactor: %f\n", (float)(vid_scalefactor));
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Printf("Real resolution: %i x %i\nEmulated resolution: %i x %i\n", x1, y1, x2, y2);
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}
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CCMD (vid_showcurrentscaling)
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{
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R_ShowCurrentScaling();
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}
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CCMD (vid_scaletowidth)
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{
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if (argv.argc() > 1)
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{
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// the following enables the use of ViewportScaledWidth to get the proper dimensions in custom scale modes
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vid_scalefactor = 1;
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vid_scalefactor = (float)((double)atof(argv[1]) / ViewportScaledWidth(screen->GetClientWidth(), screen->GetClientHeight()));
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}
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}
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CCMD (vid_scaletoheight)
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{
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if (argv.argc() > 1)
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{
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vid_scalefactor = 1;
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vid_scalefactor = (float)((double)atof(argv[1]) / ViewportScaledHeight(screen->GetClientWidth(), screen->GetClientHeight()));
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}
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}
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inline bool atob(char* I)
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{
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if (stricmp (I, "true") == 0 || stricmp (I, "1") == 0)
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return true;
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return false;
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}
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CCMD (vid_setscale)
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{
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if (argv.argc() > 2)
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{
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vid_scale_customwidth = atoi(argv[1]);
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vid_scale_customheight = atoi(argv[2]);
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if (argv.argc() > 3)
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{
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vid_scale_linear = atob(argv[3]);
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if (argv.argc() > 4)
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{
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vid_scale_custompixelaspect = (float)atof(argv[4]);
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}
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}
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vid_scalemode = 5;
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vid_scalefactor = 1.0;
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}
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else
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{
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Printf("Usage: vid_setscale <x> <y> [bool linear] [float pixel-shape]\nThis command will create a custom viewport scaling mode.\n");
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}
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}
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CCMD (vid_scaletolowest)
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{
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uint32_t method = 0;
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if (argv.argc() > 1)
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method = atoi(argv[1]);
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switch (method)
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{
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case 1: // Method 1: set a custom video scaling
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vid_scalemode = 5;
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vid_scalefactor = 1.0;
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vid_scale_custompixelaspect = 1.0;
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vid_scale_customwidth = v_mfillX(screen->GetClientWidth(), screen->GetClientHeight());
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vid_scale_customheight = v_mfillY(screen->GetClientWidth(), screen->GetClientHeight());
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break;
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case 2: // Method 2: use the actual downscaling mode directly
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vid_scalemode = 1;
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vid_scalefactor = 1.0;
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break;
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default: // Default method: use vid_scalefactor to achieve the result on a default scaling mode
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vid_scalemode = 0;
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vid_scalefactor = v_MinimumToFill(screen->GetClientWidth(), screen->GetClientHeight());
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break;
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}
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}
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