mirror of https://github.com/ZDoom/raze-gles.git
262 lines
9.0 KiB
C++
262 lines
9.0 KiB
C++
//
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Copyright(C) 2017 Magnus Norddahl
|
|
// Copyright(C) 2018 Rachael Alexanderson
|
|
// All rights reserved.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with this program. If not, see http://www.gnu.org/licenses/
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
//
|
|
|
|
#include <math.h>
|
|
#include "c_dispatch.h"
|
|
#include "c_cvars.h"
|
|
#include "v_video.h"
|
|
#include "templates.h"
|
|
#include "printf.h"
|
|
|
|
#define NUMSCALEMODES 7
|
|
|
|
bool setsizeneeded;
|
|
|
|
EXTERN_CVAR(Int, vid_aspect)
|
|
CUSTOM_CVAR(Int, vid_scale_customwidth, VID_MIN_WIDTH, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
if (self < VID_MIN_WIDTH)
|
|
self = VID_MIN_WIDTH;
|
|
setsizeneeded = true;
|
|
}
|
|
CUSTOM_CVAR(Int, vid_scale_customheight, VID_MIN_HEIGHT, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
if (self < VID_MIN_HEIGHT)
|
|
self = VID_MIN_HEIGHT;
|
|
setsizeneeded = true;
|
|
}
|
|
CVAR(Bool, vid_scale_customlinear, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
CUSTOM_CVAR(Bool, vid_scale_customstretched, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
setsizeneeded = true;
|
|
}
|
|
|
|
namespace
|
|
{
|
|
struct v_ScaleTable
|
|
{
|
|
bool isValid;
|
|
bool isLinear;
|
|
uint32_t(*GetScaledWidth)(uint32_t Width, uint32_t Height);
|
|
uint32_t(*GetScaledHeight)(uint32_t Width, uint32_t Height);
|
|
bool isScaled43;
|
|
bool isCustom;
|
|
};
|
|
|
|
float v_MinimumToFill(uint32_t inwidth, uint32_t inheight)
|
|
{
|
|
// sx = screen x dimension, sy = same for y
|
|
float sx = (float)inwidth, sy = (float)inheight;
|
|
static float lastsx = 0., lastsy = 0., result = 0.;
|
|
if (lastsx != sx || lastsy != sy)
|
|
{
|
|
if (sx <= 0. || sy <= 0.)
|
|
return 1.; // prevent x/0 error
|
|
// set absolute minimum scale to fill the entire screen but get as close to 640x400 as possible
|
|
float ssx = (float)(VID_MIN_WIDTH) / sx, ssy = (float)(VID_MIN_HEIGHT) / sy;
|
|
result = (ssx < ssy) ? ssy : ssx;
|
|
lastsx = sx;
|
|
lastsy = sy;
|
|
}
|
|
return result;
|
|
}
|
|
inline uint32_t v_mfillX(uint32_t inwidth, uint32_t inheight)
|
|
{
|
|
return (uint32_t)((float)inwidth * v_MinimumToFill(inwidth, inheight));
|
|
}
|
|
inline uint32_t v_mfillY(uint32_t inwidth, uint32_t inheight)
|
|
{
|
|
return (uint32_t)((float)inheight * v_MinimumToFill(inwidth, inheight));
|
|
}
|
|
|
|
v_ScaleTable vScaleTable[NUMSCALEMODES] =
|
|
{
|
|
// isValid, isLinear, GetScaledWidth(), GetScaledHeight(), isScaled43, isCustom
|
|
{ true, false, [](uint32_t Width, uint32_t Height)->uint32_t { return Width; }, [](uint32_t Width, uint32_t Height)->uint32_t { return Height; }, false, false }, // 0 - Native
|
|
{ true, true, [](uint32_t Width, uint32_t Height)->uint32_t { return Width; }, [](uint32_t Width, uint32_t Height)->uint32_t { return Height; }, false, false }, // 1 - Native (Linear)
|
|
{ true, false, [](uint32_t Width, uint32_t Height)->uint32_t { return 640; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 400; }, true, false }, // 2 - 640x400 (formerly 320x200)
|
|
{ true, true, [](uint32_t Width, uint32_t Height)->uint32_t { return 960; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 600; }, true, false }, // 3 - 960x600 (formerly 640x400)
|
|
{ true, true, [](uint32_t Width, uint32_t Height)->uint32_t { return 1280; }, [](uint32_t Width, uint32_t Height)->uint32_t { return 800; }, true, false }, // 4 - 1280x800
|
|
{ true, 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; }, true, true }, // 5 - Custom
|
|
{ true, 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); }, false, false }, // 6 - Minimum Scale to Fill Entire Screen
|
|
};
|
|
bool isOutOfBounds(int x)
|
|
{
|
|
return (x < 0 || x >= NUMSCALEMODES || vScaleTable[x].isValid == false);
|
|
}
|
|
}
|
|
|
|
void R_ShowCurrentScaling();
|
|
CUSTOM_CVAR(Float, vid_scalefactor, 1.0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
|
|
{
|
|
setsizeneeded = true;
|
|
if (self < 0.05 || self > 2.0)
|
|
self = 1.0;
|
|
if (self != 1.0)
|
|
R_ShowCurrentScaling();
|
|
}
|
|
|
|
CUSTOM_CVAR(Int, vid_scalemode, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
setsizeneeded = true;
|
|
if (isOutOfBounds(self))
|
|
self = 0;
|
|
}
|
|
|
|
CUSTOM_CVAR(Bool, vid_cropaspect, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
setsizeneeded = true;
|
|
}
|
|
|
|
bool ViewportLinearScale()
|
|
{
|
|
if (isOutOfBounds(vid_scalemode))
|
|
vid_scalemode = 0;
|
|
// hack - use custom scaling if in "custom" mode
|
|
if (vScaleTable[vid_scalemode].isCustom)
|
|
return vid_scale_customlinear;
|
|
// vid_scalefactor > 1 == forced linear scale
|
|
return (vid_scalefactor > 1.0) ? true : vScaleTable[vid_scalemode].isLinear;
|
|
}
|
|
|
|
int ViewportScaledWidth(int width, int height)
|
|
{
|
|
if (isOutOfBounds(vid_scalemode))
|
|
vid_scalemode = 0;
|
|
if (vid_cropaspect && height > 0)
|
|
{
|
|
width = ((float)width/height > ActiveRatio(width, height)) ? (int)(height * ActiveRatio(width, height)) : width;
|
|
height = ((float)width/height < ActiveRatio(width, height)) ? (int)(width / ActiveRatio(width, height)) : height;
|
|
}
|
|
return (int)std::max((int32_t)VID_MIN_WIDTH, (int32_t)(vid_scalefactor * vScaleTable[vid_scalemode].GetScaledWidth(width, height)));
|
|
}
|
|
|
|
int ViewportScaledHeight(int width, int height)
|
|
{
|
|
if (isOutOfBounds(vid_scalemode))
|
|
vid_scalemode = 0;
|
|
if (vid_cropaspect && height > 0)
|
|
{
|
|
height = ((float)width/height < ActiveRatio(width, height)) ? (int)(width / ActiveRatio(width, height)) : height;
|
|
width = ((float)width/height > ActiveRatio(width, height)) ? (int)(height * ActiveRatio(width, height)) : width;
|
|
}
|
|
return (int)std::max((int32_t)VID_MIN_HEIGHT, (int32_t)(vid_scalefactor * vScaleTable[vid_scalemode].GetScaledHeight(width, height)));
|
|
}
|
|
|
|
bool ViewportIsScaled43()
|
|
{
|
|
if (isOutOfBounds(vid_scalemode))
|
|
vid_scalemode = 0;
|
|
// hack - use custom scaling if in "custom" mode
|
|
if (vScaleTable[vid_scalemode].isCustom)
|
|
return vid_scale_customstretched;
|
|
return vScaleTable[vid_scalemode].isScaled43;
|
|
}
|
|
|
|
void R_ShowCurrentScaling()
|
|
{
|
|
int x1 = screen->GetClientWidth(), y1 = screen->GetClientHeight(), x2 = ViewportScaledWidth(x1, y1), y2 = ViewportScaledHeight(x1, y1);
|
|
Printf("Current vid_scalefactor: %f\n", (float)(vid_scalefactor));
|
|
Printf("Real resolution: %i x %i\nEmulated resolution: %i x %i\n", x1, y1, x2, y2);
|
|
}
|
|
|
|
CCMD (vid_showcurrentscaling)
|
|
{
|
|
R_ShowCurrentScaling();
|
|
}
|
|
|
|
CCMD (vid_scaletowidth)
|
|
{
|
|
if (argv.argc() > 1)
|
|
{
|
|
// the following enables the use of ViewportScaledWidth to get the proper dimensions in custom scale modes
|
|
vid_scalefactor = 1;
|
|
vid_scalefactor = (float)((double)atof(argv[1]) / ViewportScaledWidth(screen->GetClientWidth(), screen->GetClientHeight()));
|
|
}
|
|
}
|
|
|
|
CCMD (vid_scaletoheight)
|
|
{
|
|
if (argv.argc() > 1)
|
|
{
|
|
vid_scalefactor = 1;
|
|
vid_scalefactor = (float)((double)atof(argv[1]) / ViewportScaledHeight(screen->GetClientWidth(), screen->GetClientHeight()));
|
|
}
|
|
}
|
|
|
|
inline bool atob(char* I)
|
|
{
|
|
if (stricmp (I, "true") == 0 || stricmp (I, "1") == 0)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
CCMD (vid_setscale)
|
|
{
|
|
if (argv.argc() > 2)
|
|
{
|
|
vid_scale_customwidth = atoi(argv[1]);
|
|
vid_scale_customheight = atoi(argv[2]);
|
|
if (argv.argc() > 3)
|
|
{
|
|
vid_scale_customlinear = atob(argv[3]);
|
|
if (argv.argc() > 4)
|
|
{
|
|
vid_scale_customstretched = atob(argv[4]);
|
|
}
|
|
}
|
|
vid_scalemode = 5;
|
|
vid_scalefactor = 1.0;
|
|
}
|
|
else
|
|
{
|
|
Printf("Usage: vid_setscale <x> <y> [bool linear] [bool long-pixel-shape]\nThis command will create a custom viewport scaling mode.\n");
|
|
}
|
|
}
|
|
|
|
CCMD (vid_scaletolowest)
|
|
{
|
|
uint32_t method = 0;
|
|
if (argv.argc() > 1)
|
|
method = atoi(argv[1]);
|
|
switch (method)
|
|
{
|
|
case 1: // Method 1: set a custom video scaling
|
|
vid_scalemode = 5;
|
|
vid_scalefactor = 1.0;
|
|
vid_scale_customlinear = 1;
|
|
vid_scale_customstretched = 0;
|
|
vid_scale_customwidth = v_mfillX(screen->GetClientWidth(), screen->GetClientHeight());
|
|
vid_scale_customheight = v_mfillY(screen->GetClientWidth(), screen->GetClientHeight());
|
|
break;
|
|
case 2: // Method 2: use the actual downscaling mode directly
|
|
vid_scalemode = 6;
|
|
vid_scalefactor = 1.0;
|
|
break;
|
|
default: // Default method: use vid_scalefactor to achieve the result on a default scaling mode
|
|
vid_scalemode = 1;
|
|
vid_scalefactor = v_MinimumToFill(screen->GetClientWidth(), screen->GetClientHeight());
|
|
break;
|
|
}
|
|
}
|