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https://github.com/ZDoom/Raze.git
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811 lines
19 KiB
C++
811 lines
19 KiB
C++
/*
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** Video basics and init code.
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**
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**---------------------------------------------------------------------------
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** Copyright 1999-2016 Randy Heit
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** Copyright 2005-2016 Christoph Oelckers
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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 <stdio.h>
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#include "i_system.h"
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#include "c_cvars.h"
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#include "i_video.h"
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#include "c_console.h"
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#include "m_argv.h"
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#include "v_video.h"
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#include "v_text.h"
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#include "sc_man.h"
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#include "c_dispatch.h"
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#include "cmdlib.h"
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#include "hardware.h"
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#include "m_png.h"
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#include "menu/menu.h"
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#include "r_videoscale.h"
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#include "i_time.h"
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#include "version.h"
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#include "filesystem.h"
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#include "build.h"
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#include "glbackend/glbackend.h"
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EXTERN_CVAR(Int, menu_resolution_custom_width)
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EXTERN_CVAR(Int, menu_resolution_custom_height)
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CVAR(Int, vid_aspect, 0, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR(Int, win_x, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Int, win_y, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Int, win_w, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Int, win_h, -1, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Bool, win_maximized, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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#if 0
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CUSTOM_CVAR(Int, vid_maxfps, 200, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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if (vid_maxfps < TICRATE && vid_maxfps != 0)
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{
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vid_maxfps = TICRATE;
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}
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else if (vid_maxfps > 1000)
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{
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vid_maxfps = 1000;
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}
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}
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#endif
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CUSTOM_CVAR(Int, vid_rendermode, 4, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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if (self < 0 || self > 4)
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{
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self = 4;
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}
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#if 0
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if (usergame)
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{
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// [SP] Update pitch limits to the netgame/gamesim.
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players[consoleplayer].SendPitchLimits();
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}
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#endif
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screen->SetTextureFilterMode();
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// No further checks needed. All this changes now is which scene drawer the render backend calls.
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}
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CUSTOM_CVAR(Int, vid_preferbackend, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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// [SP] This may seem pointless - but I don't want to implement live switching just
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// yet - I'm pretty sure it's going to require a lot of reinits and destructions to
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// do it right without memory leaks
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switch(self)
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{
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case 2:
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Printf("Selecting SoftPoly backend...\n");
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break;
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#ifdef HAVE_VULKAN
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case 1:
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Printf("Selecting Vulkan backend...\n");
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break;
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#endif
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default:
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Printf("Selecting OpenGL backend...\n");
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}
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Printf("Changing the video backend requires a restart for " GAMENAME ".\n");
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}
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CVAR(Int, vid_renderer, 1, 0) // for some stupid mods which threw caution out of the window...
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EXTERN_CVAR(Bool, r_blendmethod)
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int active_con_scale();
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#define DBGBREAK assert(0)
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class DDummyFrameBuffer : public DFrameBuffer
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{
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typedef DFrameBuffer Super;
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public:
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DDummyFrameBuffer (int width, int height)
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: DFrameBuffer (0, 0)
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{
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SetVirtualSize(width, height);
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}
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// These methods should never be called.
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void Update() { DBGBREAK; }
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bool IsFullscreen() { DBGBREAK; return 0; }
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int GetClientWidth() { DBGBREAK; return 0; }
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int GetClientHeight() { DBGBREAK; return 0; }
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void InitializeState() override {}
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float Gamma;
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};
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int DisplayWidth, DisplayHeight;
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// [RH] The framebuffer is no longer a mere byte array.
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// There's also only one, not four.
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DFrameBuffer *screen;
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CVAR (Int, vid_defwidth, 640, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR (Int, vid_defheight, 480, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR (Bool, ticker, false, 0)
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CUSTOM_CVAR (Bool, vid_vsync, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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{
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if (screen != NULL)
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{
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screen->SetVSync (*self);
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}
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}
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// [RH] Set true when vid_setmode command has been executed
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bool setmodeneeded = false;
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//==========================================================================
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//
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// DCanvas Constructor
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//
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//==========================================================================
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DCanvas::DCanvas (int _width, int _height, bool _bgra)
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{
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// Init member vars
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Width = _width;
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Height = _height;
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Bgra = _bgra;
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Resize(_width, _height);
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}
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//==========================================================================
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//
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// DCanvas Destructor
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//
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//==========================================================================
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DCanvas::~DCanvas ()
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{
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void DCanvas::Resize(int width, int height, bool optimizepitch)
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{
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Width = width;
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Height = height;
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// Making the pitch a power of 2 is very bad for performance
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// Try to maximize the number of cache lines that can be filled
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// for each column drawing operation by making the pitch slightly
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// longer than the width. The values used here are all based on
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// empirical evidence.
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if (width <= 640 || !optimizepitch)
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{
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// For low resolutions, just keep the pitch the same as the width.
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// Some speedup can be seen using the technique below, but the speedup
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// is so marginal that I don't consider it worthwhile.
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Pitch = width;
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}
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else
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{
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#if 0
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// If we couldn't figure out the CPU's L1 cache line size, assume
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// it's 32 bytes wide.
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if (CPU.DataL1LineSize == 0)
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{
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CPU.DataL1LineSize = 32;
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}
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// The Athlon and P3 have very different caches, apparently.
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// I am going to generalize the Athlon's performance to all AMD
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// processors and the P3's to all non-AMD processors. I don't know
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// how smart that is, but I don't have a vast plethora of
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// processors to test with.
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if (CPU.bIsAMD)
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{
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Pitch = width + CPU.DataL1LineSize;
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}
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else
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{
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Pitch = width + MAX(0, CPU.DataL1LineSize - 8);
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}
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#endif
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}
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int bytes_per_pixel = Bgra ? 4 : 1;
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Pixels.Resize(Pitch * height * bytes_per_pixel);
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memset (Pixels.Data(), 0, Pixels.Size());
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}
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//==========================================================================
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//
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// V_GetColorFromString
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//
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// Passed a string of the form "#RGB", "#RRGGBB", "R G B", or "RR GG BB",
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// returns a number representing that color. If palette is non-NULL, the
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// index of the best match in the palette is returned, otherwise the
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// RRGGBB value is returned directly.
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//
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//==========================================================================
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int V_GetColorFromString (const uint32_t *palette, const char *cstr, FScriptPosition *sc)
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{
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int c[3], i, p;
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char val[3];
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val[2] = '\0';
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// Check for HTML-style #RRGGBB or #RGB color string
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if (cstr[0] == '#')
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{
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size_t len = strlen (cstr);
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if (len == 7)
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{
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// Extract each eight-bit component into c[].
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for (i = 0; i < 3; ++i)
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{
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val[0] = cstr[1 + i*2];
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val[1] = cstr[2 + i*2];
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c[i] = ParseHex (val, sc);
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}
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}
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else if (len == 4)
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{
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// Extract each four-bit component into c[], expanding to eight bits.
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for (i = 0; i < 3; ++i)
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{
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val[1] = val[0] = cstr[1 + i];
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c[i] = ParseHex (val, sc);
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}
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}
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else
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{
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// Bad HTML-style; pretend it's black.
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c[2] = c[1] = c[0] = 0;
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}
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}
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else
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{
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if (strlen(cstr) == 6)
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{
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char *p;
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int color = strtol(cstr, &p, 16);
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if (*p == 0)
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{
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// RRGGBB string
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c[0] = (color & 0xff0000) >> 16;
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c[1] = (color & 0xff00) >> 8;
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c[2] = (color & 0xff);
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}
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else goto normal;
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}
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else
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{
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normal:
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// Treat it as a space-delimited hexadecimal string
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for (i = 0; i < 3; ++i)
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{
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// Skip leading whitespace
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while (*cstr <= ' ' && *cstr != '\0')
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{
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cstr++;
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}
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// Extract a component and convert it to eight-bit
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for (p = 0; *cstr > ' '; ++p, ++cstr)
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{
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if (p < 2)
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{
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val[p] = *cstr;
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}
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}
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if (p == 0)
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{
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c[i] = 0;
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}
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else
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{
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if (p == 1)
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{
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val[1] = val[0];
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}
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c[i] = ParseHex (val, sc);
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}
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}
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}
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}
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return MAKERGB(c[0], c[1], c[2]);
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}
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//==========================================================================
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//
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// V_GetColorStringByName
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//
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// Searches for the given color name in x11r6rgb.txt and returns an
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// HTML-ish "#RRGGBB" string for it if found or the empty string if not.
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//
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//==========================================================================
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FString V_GetColorStringByName (const char *name, FScriptPosition *sc)
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{
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char *rgbEnd;
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char *rgb, *endp;
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int rgblump;
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int c[3], step;
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size_t namelen;
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if (fileSystem.GetNumEntries()==0) return FString();
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rgblump = fileSystem.FindFile ("engine/X11R6RGB.txt");
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if (rgblump == -1)
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{
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if (!sc) Printf ("X11R6RGB lump not found\n");
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else sc->Message(MSG_WARNING, "X11R6RGB lump not found");
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return FString();
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}
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rgb = (char*)fileSystem.Lock(rgblump);
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rgbEnd = rgb + fileSystem.FileLength (rgblump);
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step = 0;
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namelen = strlen (name);
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while (rgb < rgbEnd)
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{
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// Skip white space
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if (*rgb <= ' ')
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{
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do
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{
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rgb++;
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} while (rgb < rgbEnd && *rgb <= ' ');
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}
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else if (step == 0 && *rgb == '!')
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{ // skip comment lines
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do
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{
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rgb++;
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} while (rgb < rgbEnd && *rgb != '\n');
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}
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else if (step < 3)
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{ // collect RGB values
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c[step++] = strtoul (rgb, &endp, 10);
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if (endp == rgb)
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{
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break;
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}
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rgb = endp;
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}
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else
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{ // Check color name
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endp = rgb;
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// Find the end of the line
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while (endp < rgbEnd && *endp != '\n')
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endp++;
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// Back up over any whitespace
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while (endp > rgb && *endp <= ' ')
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endp--;
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if (endp == rgb)
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{
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break;
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}
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size_t checklen = ++endp - rgb;
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if (checklen == namelen && strnicmp (rgb, name, checklen) == 0)
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{
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FString descr;
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descr.Format ("#%02x%02x%02x", c[0], c[1], c[2]);
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return descr;
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}
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rgb = endp;
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step = 0;
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}
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}
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if (rgb < rgbEnd)
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{
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if (!sc) Printf ("X11R6RGB lump is corrupt\n");
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else sc->Message(MSG_WARNING, "X11R6RGB lump is corrupt");
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}
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return FString();
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}
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//==========================================================================
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//
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// V_GetColor
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//
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// Works like V_GetColorFromString(), but also understands X11 color names.
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//
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//==========================================================================
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int V_GetColor (const uint32_t *palette, const char *str, FScriptPosition *sc)
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{
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FString string = V_GetColorStringByName (str, sc);
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int res;
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if (!string.IsEmpty())
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{
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res = V_GetColorFromString (palette, string, sc);
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}
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else
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{
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res = V_GetColorFromString (palette, str, sc);
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}
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return res;
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}
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int V_GetColor(const uint32_t *palette, FScanner &sc)
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{
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FScriptPosition scc = sc;
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return V_GetColor(palette, sc.String, &scc);
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}
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CCMD(clean)
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{
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Printf ("CleanXfac: %d\nCleanYfac: %d\n", CleanXfac, CleanYfac);
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}
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void V_UpdateModeSize (int width, int height)
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{
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// This calculates the menu scale.
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// The optimal scale will always be to fit a virtual 640 pixel wide display onto the screen.
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// Exceptions are made for a few ranges where the available virtual width is > 480.
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// This reference size is being used so that on 800x450 (small 16:9) a scale of 2 gets used.
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CleanXfac = std::max(std::min(screen->GetWidth() / 400, screen->GetHeight() / 240), 1);
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if (CleanXfac >= 4) CleanXfac--; // Otherwise we do not have enough space for the episode/skill menus in some languages.
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CleanYfac = CleanXfac;
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CleanWidth = screen->GetWidth() / CleanXfac;
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CleanHeight = screen->GetHeight() / CleanYfac;
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int w = screen->GetWidth();
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int factor;
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if (w < 640) factor = 1;
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else if (w >= 1024 && w < 1280) factor = 2;
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else if (w >= 1600 && w < 1920) factor = 3;
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else factor = w / 640;
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if (w < 1360) factor = 1;
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else if (w < 1920) factor = 2;
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else factor = int(factor * 0.7);
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CleanYfac_1 = CleanXfac_1 = factor;// MAX(1, int(factor * 0.7));
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CleanWidth_1 = width / CleanXfac_1;
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CleanHeight_1 = height / CleanYfac_1;
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DisplayWidth = width;
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DisplayHeight = height;
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}
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void V_OutputResized (int width, int height)
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{
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V_UpdateModeSize(width, height);
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setsizeneeded = true;
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C_NewModeAdjust();
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}
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void V_CalcCleanFacs (int designwidth, int designheight, int realwidth, int realheight, int *cleanx, int *cleany, int *_cx1, int *_cx2)
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{
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if (designheight < 240 && realheight >= 480) designheight = 240;
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*cleanx = *cleany = std::min(realwidth / designwidth, realheight / designheight);
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}
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bool IVideo::SetResolution ()
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{
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DFrameBuffer *buff = CreateFrameBuffer();
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|
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if (buff == NULL) // this cannot really happen
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{
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return false;
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}
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screen = buff;
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screen->InitializeState();
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screen->SetGamma();
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V_UpdateModeSize(screen->GetWidth(), screen->GetHeight());
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return true;
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}
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|
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//
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// V_Init
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//
|
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|
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void V_InitScreenSize ()
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{
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const char *i;
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int width, height, bits;
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|
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width = height = bits = 0;
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|
|
if ( (i = Args->CheckValue ("-width")) )
|
|
width = atoi (i);
|
|
|
|
if ( (i = Args->CheckValue ("-height")) )
|
|
height = atoi (i);
|
|
|
|
if (width == 0)
|
|
{
|
|
if (height == 0)
|
|
{
|
|
width = vid_defwidth;
|
|
height = vid_defheight;
|
|
}
|
|
else
|
|
{
|
|
width = (height * 8) / 6;
|
|
}
|
|
}
|
|
else if (height == 0)
|
|
{
|
|
height = (width * 6) / 8;
|
|
}
|
|
// Remember the passed arguments for the next time the game starts up windowed.
|
|
vid_defwidth = width;
|
|
vid_defheight = height;
|
|
}
|
|
|
|
void V_InitScreen()
|
|
{
|
|
screen = new DDummyFrameBuffer (vid_defwidth, vid_defheight);
|
|
}
|
|
|
|
void V_Init2()
|
|
{
|
|
float gamma = static_cast<DDummyFrameBuffer *>(screen)->Gamma;
|
|
|
|
{
|
|
DFrameBuffer *s = screen;
|
|
screen = NULL;
|
|
delete s;
|
|
}
|
|
|
|
UCVarValue val;
|
|
|
|
val.Bool = !!Args->CheckParm("-devparm");
|
|
ticker.SetGenericRepDefault(val, CVAR_Bool);
|
|
|
|
|
|
I_InitGraphics();
|
|
|
|
Video->SetResolution(); // this only fails via exceptions.
|
|
Printf ("Resolution: %d x %d\n", SCREENWIDTH, SCREENHEIGHT);
|
|
|
|
// init these for the scaling menu
|
|
menu_resolution_custom_width = SCREENWIDTH;
|
|
menu_resolution_custom_height = SCREENHEIGHT;
|
|
|
|
screen->SetVSync(vid_vsync);
|
|
screen->SetGamma ();
|
|
FBaseCVar::ResetColors ();
|
|
C_NewModeAdjust();
|
|
videoSetGameMode(vid_fullscreen, SCREENWIDTH, SCREENHEIGHT, 32, 1);
|
|
|
|
Polymost_Startup();
|
|
GLInterface.Init(SCREENHEIGHT);
|
|
GLInterface.InitGLState(4, 4/*glmultisample*/);
|
|
GLInterface.mSamplers->SetTextureFilterMode(hw_texfilter, hw_anisotropy);
|
|
|
|
//setsizeneeded = true;
|
|
}
|
|
|
|
// Helper for ActiveRatio and CheckRatio. Returns the forced ratio type, or -1 if none.
|
|
static int ActiveFakeRatio(int width, int height)
|
|
{
|
|
int fakeratio = -1;
|
|
if ((vid_aspect >= 1) && (vid_aspect <= 6))
|
|
{
|
|
// [SP] User wants to force aspect ratio; let them.
|
|
fakeratio = int(vid_aspect);
|
|
if (fakeratio == 3)
|
|
{
|
|
fakeratio = 0;
|
|
}
|
|
else if (fakeratio == 5)
|
|
{
|
|
fakeratio = 3;
|
|
}
|
|
}
|
|
return fakeratio;
|
|
}
|
|
|
|
// Active screen ratio based on cvars and size
|
|
float ActiveRatio(int width, int height, float *trueratio)
|
|
{
|
|
static float forcedRatioTypes[] =
|
|
{
|
|
4 / 3.0f,
|
|
16 / 9.0f,
|
|
16 / 10.0f,
|
|
17 / 10.0f,
|
|
5 / 4.0f,
|
|
17 / 10.0f,
|
|
21 / 9.0f
|
|
};
|
|
|
|
float ratio = width / (float)height;
|
|
int fakeratio = ActiveFakeRatio(width, height);
|
|
|
|
if (trueratio)
|
|
*trueratio = ratio;
|
|
return (fakeratio != -1) ? forcedRatioTypes[fakeratio] : ratio;
|
|
}
|
|
|
|
|
|
// Tries to guess the physical dimensions of the screen based on the
|
|
// screen's pixel dimensions. Can return:
|
|
// 0: 4:3
|
|
// 1: 16:9
|
|
// 2: 16:10
|
|
// 3: 17:10
|
|
// 4: 5:4
|
|
// 5: 17:10 (redundant, never returned)
|
|
// 6: 21:9
|
|
int CheckRatio (int width, int height, int *trueratio)
|
|
{
|
|
float aspect = width / (float)height;
|
|
|
|
static std::pair<float, int> ratioTypes[] =
|
|
{
|
|
{ 21 / 9.0f , 6 },
|
|
{ 16 / 9.0f , 1 },
|
|
{ 17 / 10.0f , 3 },
|
|
{ 16 / 10.0f , 2 },
|
|
{ 4 / 3.0f , 0 },
|
|
{ 5 / 4.0f , 4 },
|
|
{ 0.0f, 0 }
|
|
};
|
|
|
|
int ratio = ratioTypes[0].second;
|
|
float distance = fabs(ratioTypes[0].first - aspect);
|
|
for (int i = 1; ratioTypes[i].first != 0.0f; i++)
|
|
{
|
|
float d = fabs(ratioTypes[i].first - aspect);
|
|
if (d < distance)
|
|
{
|
|
ratio = ratioTypes[i].second;
|
|
distance = d;
|
|
}
|
|
}
|
|
|
|
int fakeratio = ActiveFakeRatio(width, height);
|
|
if (fakeratio == -1)
|
|
fakeratio = ratio;
|
|
|
|
if (trueratio)
|
|
*trueratio = ratio;
|
|
return fakeratio;
|
|
}
|
|
|
|
int AspectBaseWidth(float aspect)
|
|
{
|
|
return (int)round(240.0f * aspect * 3.0f);
|
|
}
|
|
|
|
int AspectBaseHeight(float aspect)
|
|
{
|
|
if (!AspectTallerThanWide(aspect))
|
|
return (int)round(200.0f * (320.0f / (AspectBaseWidth(aspect) / 3.0f)) * 3.0f);
|
|
else
|
|
return (int)round((200.0f * (4.0f / 3.0f)) / aspect * 3.0f);
|
|
}
|
|
|
|
double AspectPspriteOffset(float aspect)
|
|
{
|
|
if (!AspectTallerThanWide(aspect))
|
|
return 0.0;
|
|
else
|
|
return ((4.0 / 3.0) / aspect - 1.0) * 97.5;
|
|
}
|
|
|
|
int AspectMultiplier(float aspect)
|
|
{
|
|
if (!AspectTallerThanWide(aspect))
|
|
return (int)round(320.0f / (AspectBaseWidth(aspect) / 3.0f) * 48.0f);
|
|
else
|
|
return (int)round(200.0f / (AspectBaseHeight(aspect) / 3.0f) * 48.0f);
|
|
}
|
|
|
|
bool AspectTallerThanWide(float aspect)
|
|
{
|
|
return aspect < 1.333f;
|
|
}
|
|
|
|
void ScaleWithAspect (int &w, int &h, int Width, int Height)
|
|
{
|
|
int resRatio = CheckRatio (Width, Height);
|
|
int screenRatio;
|
|
CheckRatio (w, h, &screenRatio);
|
|
if (resRatio == screenRatio)
|
|
return;
|
|
|
|
double yratio;
|
|
switch(resRatio)
|
|
{
|
|
case 0: yratio = 4./3.; break;
|
|
case 1: yratio = 16./9.; break;
|
|
case 2: yratio = 16./10.; break;
|
|
case 3: yratio = 17./10.; break;
|
|
case 4: yratio = 5./4.; break;
|
|
case 6: yratio = 21./9.; break;
|
|
default: return;
|
|
}
|
|
double y = w/yratio;
|
|
if (y > h)
|
|
w = static_cast<int>(h * yratio);
|
|
else
|
|
h = static_cast<int>(y);
|
|
}
|
|
|
|
CCMD(vid_setsize)
|
|
{
|
|
if (argv.argc() < 3)
|
|
{
|
|
Printf("Usage: vid_setsize width height\n");
|
|
}
|
|
else
|
|
{
|
|
screen->SetWindowSize((int)strtol(argv[1], nullptr, 0), (int)strtol(argv[2], nullptr, 0));
|
|
V_OutputResized(screen->GetClientWidth(), screen->GetClientHeight());
|
|
}
|
|
}
|
|
|
|
|
|
void IVideo::DumpAdapters ()
|
|
{
|
|
Printf("Multi-monitor support unavailable.\n");
|
|
}
|
|
|
|
CUSTOM_CVAR(Bool, vid_fullscreen, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
|
|
{
|
|
setmodeneeded = true;
|
|
}
|
|
|
|
CUSTOM_CVAR(Bool, vid_hdr, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
|
|
{
|
|
Printf("This won't take effect until " GAMENAME " is restarted.\n");
|
|
}
|
|
|
|
CCMD(vid_listadapters)
|
|
{
|
|
if (Video != NULL)
|
|
Video->DumpAdapters();
|
|
}
|
|
|
|
bool vid_hdr_active = false;
|