mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-12-13 05:41:10 +00:00
237 lines
7.2 KiB
C++
237 lines
7.2 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"
|
|
|
|
#define NUMSCALEMODES 7
|
|
|
|
extern bool setsizeneeded;
|
|
extern int currentrenderer;
|
|
#ifdef _WIN32
|
|
extern int currentcanvas;
|
|
#else
|
|
int currentcanvas = -1;
|
|
#endif
|
|
|
|
EXTERN_CVAR(Int, vid_aspect)
|
|
|
|
CUSTOM_CVAR(Int, vid_scale_customwidth, 320, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
if (self < 160)
|
|
self = 160;
|
|
setsizeneeded = true;
|
|
}
|
|
CUSTOM_CVAR(Int, vid_scale_customheight, 200, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
|
|
{
|
|
if (self < 100)
|
|
self = 100;
|
|
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(*GetScaledHeight)(uint32_t Height);
|
|
bool isScaled43;
|
|
bool isCustom;
|
|
};
|
|
v_ScaleTable vScaleTable[NUMSCALEMODES] =
|
|
{
|
|
// isValid, isLinear, GetScaledWidth(), GetScaledHeight(), isScaled43, isCustom
|
|
{ true, false, [](uint32_t Width)->uint32_t { return Width; }, [](uint32_t Height)->uint32_t { return Height; }, false, false }, // 0 - Native
|
|
{ true, true, [](uint32_t Width)->uint32_t { return Width; }, [](uint32_t Height)->uint32_t { return Height; }, false, false }, // 1 - Native (Linear)
|
|
{ true, false, [](uint32_t Width)->uint32_t { return 320; }, [](uint32_t Height)->uint32_t { return 200; }, true, false }, // 2 - 320x200
|
|
{ true, false, [](uint32_t Width)->uint32_t { return 640; }, [](uint32_t Height)->uint32_t { return 400; }, true, false }, // 3 - 640x400
|
|
{ true, true, [](uint32_t Width)->uint32_t { return 1280; }, [](uint32_t Height)->uint32_t { return 800; }, true, false }, // 4 - 1280x800
|
|
{ true, true, [](uint32_t Width)->uint32_t { return vid_scale_customwidth; }, [](uint32_t Height)->uint32_t { return vid_scale_customheight; }, true, true }, // 5 - Custom
|
|
{ true, false, [](uint32_t Width)->uint32_t { return 356; }, [](uint32_t Height)->uint32_t { return 200; }, false, false }, // 6 - 356x200
|
|
};
|
|
bool isOutOfBounds(int x)
|
|
{
|
|
return (x < 0 || x >= NUMSCALEMODES || vScaleTable[x].isValid == false);
|
|
}
|
|
bool isClassicSoftware()
|
|
{
|
|
return (currentrenderer == 0 && currentcanvas == 0);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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 (isClassicSoftware())
|
|
{
|
|
vid_scalemode = 0;
|
|
vid_scalefactor = 1.0;
|
|
}
|
|
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;
|
|
return (int)MAX((int32_t)160, (int32_t)(vid_scalefactor * vScaleTable[vid_scalemode].GetScaledWidth(width)));
|
|
}
|
|
|
|
int ViewportScaledHeight(int width, int height)
|
|
{
|
|
if (isClassicSoftware())
|
|
{
|
|
vid_scalemode = 0;
|
|
vid_scalefactor = 1.0;
|
|
}
|
|
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;
|
|
return (int)MAX((int32_t)100, (int32_t)(vid_scalefactor * vScaleTable[vid_scalemode].GetScaledHeight(height)));
|
|
}
|
|
|
|
bool ViewportIsScaled43()
|
|
{
|
|
if (isClassicSoftware())
|
|
vid_scalemode = 0;
|
|
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()
|
|
{
|
|
Printf("Current Scale: %f\n", (float)(vid_scalefactor));
|
|
}
|
|
|
|
bool R_CalcsShouldBeBlocked()
|
|
{
|
|
if (isClassicSoftware())
|
|
{
|
|
Printf("This command is not available for the classic software renderer.\n");
|
|
return true;
|
|
}
|
|
if (vid_scalemode < 0 || vid_scalemode > 1)
|
|
{
|
|
Printf("vid_scalemode should be 0 or 1 before using this command.\n");
|
|
return true;
|
|
}
|
|
if (vid_aspect != 0 && vid_cropaspect == true)
|
|
{ // just warn ... I'm not going to fix this, it's a pretty niche condition anyway.
|
|
Printf("Warning: Using this command while vid_aspect is not 0 will yield results based on FULL screen geometry, NOT cropped!.\n");
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
CCMD (vid_scaletowidth)
|
|
{
|
|
if (R_CalcsShouldBeBlocked())
|
|
return;
|
|
|
|
if (argv.argc() > 1)
|
|
vid_scalefactor = (float)((double)vid_scalefactor * (double)atof(argv[1]) / (double)DisplayWidth);
|
|
|
|
R_ShowCurrentScaling();
|
|
}
|
|
|
|
CCMD (vid_scaletoheight)
|
|
{
|
|
if (R_CalcsShouldBeBlocked())
|
|
return;
|
|
|
|
if (argv.argc() > 1)
|
|
vid_scalefactor = (float)((double)vid_scalefactor * (double)atof(argv[1]) / (double)DisplayHeight);
|
|
|
|
R_ShowCurrentScaling();
|
|
}
|
|
|
|
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");
|
|
}
|
|
}
|