mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-08 05:51:46 +00:00
0b5e4b1f1f
DCanvas::DrawTexture() to calculate off the actual bottom of the image instead of the height, improving precision. Now the scaled status bar is flush with the bottom of the screen at 1280x1024, for instance. SVN r458 (trunk)
1073 lines
23 KiB
C++
1073 lines
23 KiB
C++
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// $Log:$
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//
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// DESCRIPTION:
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// Functions to draw patches (by post) directly to screen->
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// Functions to blit a block to the screen->
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//
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//-----------------------------------------------------------------------------
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#include <stdio.h>
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#include "m_alloc.h"
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#include "i_system.h"
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#include "i_video.h"
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#include "r_local.h"
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#include "r_draw.h"
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#include "r_plane.h"
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#include "r_state.h"
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#include "doomdef.h"
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#include "doomdata.h"
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#include "doomstat.h"
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#include "c_console.h"
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#include "hu_stuff.h"
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#include "m_argv.h"
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#include "m_bbox.h"
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#include "m_swap.h"
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#include "m_menu.h"
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#include "i_video.h"
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#include "v_video.h"
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#include "v_text.h"
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#include "w_wad.h"
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#include "c_cvars.h"
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#include "c_dispatch.h"
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#include "cmdlib.h"
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#include "gi.h"
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#include "templates.h"
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#include "sbar.h"
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#include "hardware.h"
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IMPLEMENT_ABSTRACT_CLASS (DCanvas)
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IMPLEMENT_ABSTRACT_CLASS (DFrameBuffer)
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#if defined(_DEBUG) && defined(_M_IX86)
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#define DBGBREAK { __asm int 3 }
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#else
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#define DBGBREAK
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#endif
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class DDummyFrameBuffer : public DFrameBuffer
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{
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DECLARE_CLASS (DDummyFrameBuffer, DFrameBuffer);
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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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Width = width;
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Height = height;
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}
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bool Lock(bool buffered) { DBGBREAK; return false; }
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void Update() { DBGBREAK; }
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PalEntry *GetPalette() { DBGBREAK; return NULL; }
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void GetFlashedPalette(PalEntry palette[256]) { DBGBREAK; }
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void UpdatePalette() { DBGBREAK; }
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bool SetGamma(float gamma) { Gamma = gamma; return true; }
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bool SetFlash(PalEntry rgb, int amount) { DBGBREAK; return false; }
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void GetFlash(PalEntry &rgb, int &amount) { DBGBREAK; }
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int GetPageCount() { DBGBREAK; return 0; }
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bool IsFullscreen() { DBGBREAK; return 0; }
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#ifdef _WIN32
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void PaletteChanged() {}
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int QueryNewPalette() { return 0; }
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#endif
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float Gamma;
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};
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IMPLEMENT_ABSTRACT_CLASS (DDummyFrameBuffer)
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// SimpleCanvas is not really abstract, but this macro does not
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// try to generate a CreateNew() function.
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IMPLEMENT_ABSTRACT_CLASS (DSimpleCanvas)
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int DisplayWidth, DisplayHeight, DisplayBits;
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FFont *SmallFont, *SmallFont2, *BigFont, *ConFont;
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extern "C" {
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DWORD *Col2RGB8_LessPrecision[65];
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DWORD Col2RGB8[65][256];
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BYTE RGB32k[32][32][32];
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}
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static DWORD Col2RGB8_2[63][256];
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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 (Int, vid_defbits, 8, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR (Bool, vid_fps, false, 0)
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CVAR (Bool, ticker, false, 0)
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CVAR (Int, vid_showpalette, 0, 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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CUSTOM_CVAR (Float, dimamount, 0.2f, CVAR_ARCHIVE)
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{
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if (self < 0.f)
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{
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self = 0.f;
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}
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else if (self > 1.f)
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{
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self = 1.f;
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}
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}
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CVAR (Color, dimcolor, 0xffd700, CVAR_ARCHIVE)
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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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// [RH] Resolution to change to when setmodeneeded is true
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int NewWidth, NewHeight, NewBits;
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//
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// V_MarkRect
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//
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void V_MarkRect (int x, int y, int width, int height)
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{
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}
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DCanvas *DCanvas::CanvasChain = NULL;
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DCanvas::DCanvas (int _width, int _height)
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{
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// Init member vars
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Buffer = NULL;
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Font = NULL;
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LockCount = 0;
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Width = _width;
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Height = _height;
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// Add to list of active canvases
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Next = CanvasChain;
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CanvasChain = this;
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}
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DCanvas::~DCanvas ()
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{
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// Remove from list of active canvases
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DCanvas *probe = CanvasChain, **prev;
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prev = &CanvasChain;
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probe = CanvasChain;
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while (probe != NULL)
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{
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if (probe == this)
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{
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*prev = probe->Next;
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break;
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}
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prev = &probe->Next;
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probe = probe->Next;
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}
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}
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bool DCanvas::IsValid ()
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{
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// A nun-subclassed DCanvas is never valid
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return false;
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}
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// [RH] Fill an area with a 64x64 flat texture
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// right and bottom are one pixel *past* the boundaries they describe.
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void DCanvas::FlatFill (int left, int top, int right, int bottom, FTexture *src)
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{
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int w = src->GetWidth();
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int h = src->GetHeight();
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// Repeatedly draw the texture, left-to-right, top-to-bottom. The
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// texture is positioned so that no matter what coordinates you pass
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// to FlatFill, the origin of the repeating pattern is always (0,0).
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for (int y = top / h * h; y < bottom; y += h)
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{
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for (int x = left / w * w; x < right; x += w)
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{
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DrawTexture (src, x, y,
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DTA_ClipLeft, left,
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DTA_ClipRight, right,
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DTA_ClipTop, top,
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DTA_ClipBottom, bottom,
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TAG_DONE);
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}
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}
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}
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// [RH] Set an area to a specified color
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void DCanvas::Clear (int left, int top, int right, int bottom, int color) const
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{
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int x, y;
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BYTE *dest;
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if (left == right || top == bottom)
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{
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return;
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}
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assert (left < right);
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assert (top < bottom);
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dest = Buffer + top * Pitch + left;
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x = right - left;
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for (y = top; y < bottom; y++)
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{
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memset (dest, color, x);
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dest += Pitch;
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}
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}
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void DCanvas::Dim (PalEntry color) const
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{
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PalEntry dimmer;
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float amount = dimamount;
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if (gameinfo.gametype == GAME_Hexen && gamestate == GS_DEMOSCREEN)
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{ // On the Hexen title screen, the default dimming is not
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// enough to make the menus readable.
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amount = MIN<float> (1.f, amount*2.f);
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}
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dimmer = PalEntry(dimcolor);
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// Add the cvar's dimming on top of the color passed to the function
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if (color.a != 0)
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{
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float dim[4] = { color.r/255.f, color.g/255.f, color.b/255.f, color.a/255.f };
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FBaseStatusBar::AddBlend (dimmer.r/255.f, dimmer.g/255.f, dimmer.b/255.f, amount, dim);
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dimmer = PalEntry (BYTE(dim[0]*255), BYTE(dim[1]*255), BYTE(dim[2]*255));
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amount = dim[3];
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}
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Dim (dimmer, amount, 0, 0, Width, Height);
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}
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void DCanvas::Dim (PalEntry color, float damount, int x1, int y1, int w, int h) const
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{
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if (damount == 0.f)
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return;
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DWORD *bg2rgb;
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DWORD fg;
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int gap;
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BYTE *spot;
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int x, y;
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{
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int amount;
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amount = (int)(damount * 64);
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bg2rgb = Col2RGB8[64-amount];
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fg = (((color.r * amount) >> 4) << 20) |
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((color.g * amount) >> 4) |
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(((color.b * amount) >> 4) << 10);
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}
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spot = Buffer + x1 + y1*Pitch;
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gap = Pitch - w;
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for (y = h; y != 0; y--)
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{
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for (x = w; x != 0; x--)
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{
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DWORD bg;
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bg = bg2rgb[(*spot)&0xff];
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bg = (fg+bg) | 0x1f07c1f;
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*spot = RGB32k[0][0][bg&(bg>>15)];
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spot++;
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}
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spot += gap;
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}
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}
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int V_GetColorFromString (const DWORD *palette, const char *cstr)
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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);
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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);
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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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// Treat it as a space-delemited 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);
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}
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}
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}
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if (palette)
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return ColorMatcher.Pick (c[0]>>8, c[1]>>8, c[2]>>8);
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else
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return MAKERGB(c[0], c[1], c[2]);
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}
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FString V_GetColorStringByName (const char *name)
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{
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FMemLump rgbNames;
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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 (Wads.GetNumLumps()==0) return FString();
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rgblump = Wads.CheckNumForName ("X11R6RGB");
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if (rgblump == -1)
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{
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Printf ("X11R6RGB lump not found\n");
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return FString();
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}
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rgbNames = Wads.ReadLump (rgblump);
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rgb = (char *)rgbNames.GetMem();
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rgbEnd = rgb + Wads.LumpLength (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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Printf ("X11R6RGB lump is corrupt\n");
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}
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return FString();
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}
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int V_GetColor (const DWORD *palette, const char *str)
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{
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FString string = V_GetColorStringByName (str);
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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);
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}
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else
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{
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res = V_GetColorFromString (palette, str);
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}
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return res;
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}
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// Build the tables necessary for blending
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static void BuildTransTable (const PalEntry *palette)
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{
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int r, g, b;
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// create the RGB555 lookup table
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for (r = 0; r < 32; r++)
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for (g = 0; g < 32; g++)
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for (b = 0; b < 32; b++)
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RGB32k[r][g][b] = ColorMatcher.Pick ((r<<3)|(r>>2), (g<<3)|(g>>2), (b<<3)|(b>>2));
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int x, y;
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// create the swizzled palette
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for (x = 0; x < 65; x++)
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for (y = 0; y < 256; y++)
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Col2RGB8[x][y] = (((palette[y].r*x)>>4)<<20) |
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((palette[y].g*x)>>4) |
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(((palette[y].b*x)>>4)<<10);
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// create the swizzled palette with the lsb of red and blue forced to 0
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// (for green, a 1 is okay since it never gets added into)
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for (x = 1; x < 64; x++)
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{
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Col2RGB8_LessPrecision[x] = Col2RGB8_2[x-1];
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for (y = 0; y < 256; y++)
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{
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Col2RGB8_2[x-1][y] = Col2RGB8[x][y] & 0x3feffbff;
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}
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}
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Col2RGB8_LessPrecision[0] = Col2RGB8[0];
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Col2RGB8_LessPrecision[64] = Col2RGB8[64];
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}
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void DCanvas::Blit (int srcx, int srcy, int srcwidth, int srcheight,
|
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DCanvas *dest, int destx, int desty, int destwidth, int destheight)
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{
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fixed_t fracxstep, fracystep;
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fixed_t fracx, fracy;
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int x, y;
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bool lockthis, lockdest;
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if ( (lockthis = (LockCount == 0)) )
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{
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if (Lock ())
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{ // Surface was lost, so nothing to blit
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Unlock ();
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return;
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}
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}
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if ( (lockdest = (dest->LockCount == 0)) )
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{
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dest->Lock ();
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}
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fracy = srcy << FRACBITS;
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fracystep = (srcheight << FRACBITS) / destheight;
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fracxstep = (srcwidth << FRACBITS) / destwidth;
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BYTE *destline, *srcline;
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BYTE *destbuffer = dest->Buffer;
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BYTE *srcbuffer = Buffer;
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if (fracxstep == FRACUNIT)
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{
|
|
for (y = desty; y < desty + destheight; y++, fracy += fracystep)
|
|
{
|
|
memcpy (destbuffer + y * dest->Pitch + destx,
|
|
srcbuffer + (fracy >> FRACBITS) * Pitch + srcx,
|
|
destwidth);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (y = desty; y < desty + destheight; y++, fracy += fracystep)
|
|
{
|
|
srcline = srcbuffer + (fracy >> FRACBITS) * Pitch + srcx;
|
|
destline = destbuffer + y * dest->Pitch + destx;
|
|
for (x = fracx = 0; x < destwidth; x++, fracx += fracxstep)
|
|
{
|
|
destline[x] = srcline[fracx >> FRACBITS];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lockthis)
|
|
{
|
|
Unlock ();
|
|
}
|
|
if (lockdest)
|
|
{
|
|
Unlock ();
|
|
}
|
|
}
|
|
|
|
void DCanvas::CalcGamma (float gamma, BYTE gammalookup[256])
|
|
{
|
|
// I found this formula on the web at
|
|
// <http://panda.mostang.com/sane/sane-gamma.html>,
|
|
// but that page no longer exits.
|
|
|
|
double invgamma = 1.f / gamma;
|
|
int i;
|
|
|
|
for (i = 0; i < 256; i++)
|
|
{
|
|
gammalookup[i] = (BYTE)(255.0 * pow (i / 255.0, invgamma));
|
|
}
|
|
}
|
|
|
|
DSimpleCanvas::DSimpleCanvas (int width, int height)
|
|
: DCanvas (width, height)
|
|
{
|
|
// Making the pitch a power of 2 is very bad for performance
|
|
// Try to maximize the number of cache lines that can be filled
|
|
// for each column drawing operation by making the pitch slightly
|
|
// longer than the width. The values used here are all based on
|
|
// empirical evidence.
|
|
|
|
if (width <= 640)
|
|
{
|
|
// For low resolutions, just keep the pitch the same as the width.
|
|
// Some speedup can be seen using the technique below, but the speedup
|
|
// is so marginal that I don't consider it worthwhile.
|
|
Pitch = width;
|
|
}
|
|
else
|
|
{
|
|
// If we couldn't figure out the CPU's L1 cache line size, assume
|
|
// it's 32 bytes wide.
|
|
if (CPU.DataL1LineSize == 0)
|
|
{
|
|
CPU.DataL1LineSize = 32;
|
|
}
|
|
// The Athlon and P3 have very different caches, apparently.
|
|
// I am going to generalize the Athlon's performance to all AMD
|
|
// processors and the P3's to all non-AMD processors. I don't know
|
|
// how smart that is, but I don't have a vast plethora of
|
|
// processors to test with.
|
|
if (CPU.bIsAMD)
|
|
{
|
|
Pitch = width + CPU.DataL1LineSize;
|
|
}
|
|
else
|
|
{
|
|
Pitch = width + MAX(0, CPU.DataL1LineSize - 8);
|
|
}
|
|
}
|
|
MemBuffer = new BYTE[Pitch * height];
|
|
memset (MemBuffer, 0, Pitch * height);
|
|
}
|
|
|
|
DSimpleCanvas::~DSimpleCanvas ()
|
|
{
|
|
if (MemBuffer != NULL)
|
|
{
|
|
delete[] MemBuffer;
|
|
MemBuffer = NULL;
|
|
}
|
|
}
|
|
|
|
bool DSimpleCanvas::IsValid ()
|
|
{
|
|
return (MemBuffer != NULL);
|
|
}
|
|
|
|
bool DSimpleCanvas::Lock ()
|
|
{
|
|
if (LockCount == 0)
|
|
{
|
|
Buffer = MemBuffer;
|
|
}
|
|
LockCount++;
|
|
return false; // System surfaces are never lost
|
|
}
|
|
|
|
void DSimpleCanvas::Unlock ()
|
|
{
|
|
if (--LockCount <= 0)
|
|
{
|
|
LockCount = 0;
|
|
Buffer = NULL; // Enforce buffer access only between Lock/Unlock
|
|
}
|
|
}
|
|
|
|
DFrameBuffer::DFrameBuffer (int width, int height)
|
|
: DSimpleCanvas (width, height)
|
|
{
|
|
LastMS = LastSec = FrameCount = LastCount = LastTic = 0;
|
|
}
|
|
|
|
void DFrameBuffer::DrawRateStuff ()
|
|
{
|
|
// Draws frame time and cumulative fps
|
|
if (vid_fps)
|
|
{
|
|
DWORD ms = I_MSTime ();
|
|
DWORD howlong = ms - LastMS;
|
|
if (howlong > 0)
|
|
{
|
|
char fpsbuff[40];
|
|
int chars;
|
|
|
|
chars = sprintf (fpsbuff, "%2u ms (%3u fps)", howlong, LastCount);
|
|
Clear (Width - chars * 8, 0, Width, 8, 0);
|
|
SetFont (ConFont);
|
|
DrawText (CR_WHITE, Width - chars * 8, 0, (char *)&fpsbuff[0], TAG_DONE);
|
|
SetFont (SmallFont);
|
|
|
|
DWORD thisSec = ms/1000;
|
|
if (LastSec < thisSec)
|
|
{
|
|
LastCount = FrameCount / (thisSec - LastSec);
|
|
LastSec = thisSec;
|
|
FrameCount = 0;
|
|
}
|
|
FrameCount++;
|
|
}
|
|
LastMS = ms;
|
|
}
|
|
|
|
// draws little dots on the bottom of the screen
|
|
if (ticker)
|
|
{
|
|
int i = I_GetTime(false);
|
|
int tics = i - LastTic;
|
|
BYTE *buffer = GetBuffer () + (GetHeight()-1)*GetPitch();
|
|
|
|
LastTic = i;
|
|
if (tics > 20) tics = 20;
|
|
|
|
for (i = 0; i < tics*2; i += 2) buffer[i] = 0xff;
|
|
for ( ; i < 20*2; i += 2) buffer[i] = 0x00;
|
|
}
|
|
|
|
// draws the palette for debugging
|
|
if (vid_showpalette)
|
|
{
|
|
int i, j, k, l;
|
|
|
|
BYTE *buffer = GetBuffer();
|
|
for (i = k = 0; i < 16; ++i)
|
|
{
|
|
for (j = 0; j < 8; ++j)
|
|
{
|
|
for (l = 0; l < 16; ++l)
|
|
{
|
|
int color;
|
|
|
|
if (vid_showpalette > 1 && vid_showpalette < 9)
|
|
{
|
|
color = translationtables[TRANSLATION_Standard][(vid_showpalette-2)*256+k];
|
|
}
|
|
else
|
|
{
|
|
color = k;
|
|
}
|
|
memset (buffer, color, 8);
|
|
buffer += 8;
|
|
k++;
|
|
}
|
|
k -= 16;
|
|
buffer += GetPitch() - 16*8;
|
|
}
|
|
k += 16;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DFrameBuffer::CopyFromBuff (BYTE *src, int srcPitch, int width, int height, BYTE *dest)
|
|
{
|
|
if (Pitch == width && Pitch == Width && srcPitch == width)
|
|
{
|
|
memcpy (dest, src, Width * Height);
|
|
}
|
|
else
|
|
{
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
memcpy (dest, src, width);
|
|
dest += Pitch;
|
|
src += srcPitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DFrameBuffer::SetVSync (bool vsync)
|
|
{
|
|
}
|
|
|
|
//
|
|
// V_SetResolution
|
|
//
|
|
bool V_DoModeSetup (int width, int height, int bits)
|
|
{
|
|
DFrameBuffer *buff = I_SetMode (width, height, screen);
|
|
|
|
if (buff == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
screen = buff;
|
|
screen->SetFont (SmallFont);
|
|
screen->SetGamma (Gamma);
|
|
|
|
{
|
|
int ratio;
|
|
int cwidth;
|
|
int cheight;
|
|
|
|
ratio = CheckRatio (width, height);
|
|
if (ratio & 4)
|
|
{
|
|
cwidth = width;
|
|
cheight = height * BaseRatioSizes[ratio][3] / 48;
|
|
}
|
|
else
|
|
{
|
|
cwidth = width * BaseRatioSizes[ratio][3] / 48;
|
|
cheight = height;
|
|
}
|
|
CleanXfac = MAX (cwidth / 320, 1);
|
|
CleanYfac = MAX (cheight / 200, 1);
|
|
}
|
|
|
|
if (CleanXfac > 1 && CleanYfac > 1 && CleanXfac != CleanYfac)
|
|
{
|
|
if (CleanXfac < CleanYfac)
|
|
CleanYfac = CleanXfac;
|
|
else
|
|
CleanXfac = CleanYfac;
|
|
}
|
|
|
|
CleanWidth = width / CleanXfac;
|
|
CleanHeight = height / CleanYfac;
|
|
|
|
DisplayWidth = width;
|
|
DisplayHeight = height;
|
|
DisplayBits = bits;
|
|
|
|
R_MultiresInit ();
|
|
|
|
RenderTarget = screen;
|
|
screen->Lock (true);
|
|
R_SetupBuffer (false);
|
|
screen->Unlock ();
|
|
|
|
M_RefreshModesList ();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool V_SetResolution (int width, int height, int bits)
|
|
{
|
|
int oldwidth, oldheight;
|
|
int oldbits;
|
|
|
|
if (screen)
|
|
{
|
|
oldwidth = SCREENWIDTH;
|
|
oldheight = SCREENHEIGHT;
|
|
oldbits = DisplayBits;
|
|
}
|
|
else
|
|
{ // Harmless if screen wasn't allocated
|
|
oldwidth = width;
|
|
oldheight = height;
|
|
oldbits = bits;
|
|
}
|
|
|
|
I_ClosestResolution (&width, &height, bits);
|
|
if (!I_CheckResolution (width, height, bits))
|
|
{ // Try specified resolution
|
|
if (!I_CheckResolution (oldwidth, oldheight, oldbits))
|
|
{ // Try previous resolution (if any)
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
width = oldwidth;
|
|
height = oldheight;
|
|
bits = oldbits;
|
|
}
|
|
}
|
|
return V_DoModeSetup (width, height, bits);
|
|
}
|
|
|
|
CCMD (vid_setmode)
|
|
{
|
|
bool goodmode = false;
|
|
int width = 0, height = SCREENHEIGHT;
|
|
int bits = DisplayBits;
|
|
|
|
if (argv.argc() > 1)
|
|
{
|
|
width = atoi (argv[1]);
|
|
if (argv.argc() > 2)
|
|
{
|
|
height = atoi (argv[2]);
|
|
if (argv.argc() > 3)
|
|
{
|
|
bits = atoi (argv[3]);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (width && I_CheckResolution (width, height, bits))
|
|
{
|
|
goodmode = true;
|
|
}
|
|
|
|
if (goodmode)
|
|
{
|
|
// The actual change of resolution will take place
|
|
// near the beginning of D_Display().
|
|
if (gamestate != GS_STARTUP)
|
|
{
|
|
setmodeneeded = true;
|
|
NewWidth = width;
|
|
NewHeight = height;
|
|
NewBits = bits;
|
|
}
|
|
}
|
|
else if (width)
|
|
{
|
|
Printf ("Unknown resolution %d x %d x %d\n", width, height, bits);
|
|
}
|
|
else
|
|
{
|
|
Printf ("Usage: vid_setmode <width> <height> <mode>\n");
|
|
}
|
|
}
|
|
|
|
//
|
|
// V_Init
|
|
//
|
|
|
|
void V_Init (void)
|
|
{
|
|
char *i;
|
|
int width, height, bits;
|
|
|
|
atterm (V_Shutdown);
|
|
|
|
// [RH] Initialize palette management
|
|
InitPalette ();
|
|
|
|
width = height = bits = 0;
|
|
|
|
if ( (i = Args.CheckValue ("-width")) )
|
|
width = atoi (i);
|
|
|
|
if ( (i = Args.CheckValue ("-height")) )
|
|
height = atoi (i);
|
|
|
|
if ( (i = Args.CheckValue ("-bits")) )
|
|
bits = 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;
|
|
}
|
|
|
|
if (bits == 0)
|
|
{
|
|
bits = vid_defbits;
|
|
}
|
|
|
|
screen = new DDummyFrameBuffer (width, height);
|
|
|
|
BuildTransTable (GPalette.BaseColors);
|
|
}
|
|
|
|
void V_Init2()
|
|
{
|
|
assert (screen->IsKindOf(RUNTIME_CLASS(DDummyFrameBuffer)));
|
|
int width = screen->GetWidth();
|
|
int height = screen->GetHeight();
|
|
float gamma = static_cast<DDummyFrameBuffer *>(screen)->Gamma;
|
|
FFont *font = screen->Font;
|
|
|
|
delete screen;
|
|
screen = NULL;
|
|
|
|
I_InitGraphics();
|
|
I_ClosestResolution (&width, &height, 8);
|
|
|
|
if (!V_SetResolution (width, height, 8))
|
|
I_FatalError ("Could not set resolution to %d x %d x %d", width, height, 8);
|
|
else
|
|
Printf ("Resolution: %d x %d\n", SCREENWIDTH, SCREENHEIGHT);
|
|
|
|
screen->SetGamma (gamma);
|
|
screen->SetFont (font);
|
|
FBaseCVar::ResetColors ();
|
|
C_NewModeAdjust();
|
|
M_InitVideoModesMenu();
|
|
BorderNeedRefresh = screen->GetPageCount ();
|
|
setsizeneeded = true;
|
|
}
|
|
|
|
void V_Shutdown()
|
|
{
|
|
if (screen != NULL)
|
|
{
|
|
delete screen;
|
|
screen = NULL;
|
|
}
|
|
while (FFont::FirstFont != NULL)
|
|
{
|
|
delete FFont::FirstFont;
|
|
}
|
|
}
|
|
|
|
EXTERN_CVAR (Bool, vid_tft)
|
|
CUSTOM_CVAR (Bool, vid_nowidescreen, false, CVAR_GLOBALCONFIG|CVAR_ARCHIVE)
|
|
{
|
|
setsizeneeded = true;
|
|
if (StatusBar != NULL)
|
|
{
|
|
StatusBar->ScreenSizeChanged();
|
|
}
|
|
}
|
|
|
|
// 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
|
|
// 4: 5:4
|
|
int CheckRatio (int width, int height)
|
|
{
|
|
if (vid_nowidescreen)
|
|
{
|
|
if (!vid_tft)
|
|
{
|
|
return 0;
|
|
}
|
|
return (height * 5/4 == width) ? 4 : 0;
|
|
}
|
|
// If the size is approximately 16:9, consider it so.
|
|
if (abs (height * 16/9 - width) < 10)
|
|
{
|
|
return 1;
|
|
}
|
|
// 16:10 has more variance in the pixel dimensions. Grr.
|
|
if (abs (height * 16/10 - width) < 60)
|
|
{
|
|
// 320x200 and 640x400 are always 4:3, not 16:10
|
|
if ((width == 320 && height == 200) || (width == 640 && height == 400))
|
|
{
|
|
return 0;
|
|
}
|
|
return 2;
|
|
}
|
|
// Unless vid_tft is set, 1280x1024 is 4:3, not 5:4.
|
|
if (height * 5/4 == width && vid_tft)
|
|
{
|
|
return 4;
|
|
}
|
|
// Assume anything else is 4:3.
|
|
return 0;
|
|
}
|
|
|
|
// First column: Base width (unused)
|
|
// Second column: Base height (used for wall visibility multiplier)
|
|
// Third column: Psprite offset (needed for "tallscreen" modes)
|
|
// Fourth column: Width or height multiplier
|
|
const int BaseRatioSizes[5][4] =
|
|
{
|
|
{ 960, 600, 0, 48 }, // 4:3 320, 200, multiplied by three
|
|
{ 1280, 450, 0, 48*3/4 }, // 16:9 426.6667, 150, multiplied by three
|
|
{ 1152, 500, 0, 48*5/6 }, // 16:10 386, 166.6667, multiplied by three
|
|
{ 960, 600, 0, 48 },
|
|
{ 960, 640, (int)(6.5*FRACUNIT), 48*15/16 } // 5:4 320, 213.3333, multiplied by three
|
|
};
|