2016-03-01 15:47:10 +00:00
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/*
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** v_video.h
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2008 Randy Heit
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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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#ifndef __V_VIDEO_H__
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#define __V_VIDEO_H__
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#include "doomtype.h"
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2016-03-10 21:36:28 +00:00
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#include "vectors.h"
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2016-03-01 15:47:10 +00:00
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#include "doomdef.h"
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#include "dobject.h"
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#include "r_data/renderstyle.h"
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#include "c_cvars.h"
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extern int CleanWidth, CleanHeight, CleanXfac, CleanYfac;
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extern int CleanWidth_1, CleanHeight_1, CleanXfac_1, CleanYfac_1;
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extern int DisplayWidth, DisplayHeight, DisplayBits;
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bool V_DoModeSetup (int width, int height, int bits);
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2016-09-12 11:04:36 +00:00
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void V_UpdateModeSize (int width, int height);
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void V_OutputResized (int width, int height);
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2016-03-01 15:47:10 +00:00
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void V_CalcCleanFacs (int designwidth, int designheight, int realwidth, int realheight, int *cleanx, int *cleany, int *cx1=NULL, int *cx2=NULL);
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class FTexture;
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2017-03-15 15:47:42 +00:00
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struct FColormap;
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2018-03-24 07:40:24 +00:00
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enum FTextureFormat : uint32_t;
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2016-03-01 15:47:10 +00:00
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// TagItem definitions for DrawTexture. As far as I know, tag lists
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// originated on the Amiga.
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//
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// Think of TagItems as an array of the following structure:
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//
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// struct TagItem {
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2017-03-09 19:19:55 +00:00
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// uint32_t ti_Tag;
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// uint32_t ti_Data;
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2016-03-01 15:47:10 +00:00
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// };
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#define TAG_DONE (0) /* Used to indicate the end of the Tag list */
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#define TAG_END (0) /* Ditto */
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/* list pointed to in ti_Data */
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2017-03-09 19:19:55 +00:00
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#define TAG_USER ((uint32_t)(1u<<30))
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2016-03-01 15:47:10 +00:00
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enum
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{
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DTA_Base = TAG_USER + 5000,
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DTA_DestWidth, // width of area to draw to
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DTA_DestHeight, // height of area to draw to
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DTA_Alpha, // alpha value for translucency
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DTA_FillColor, // color to stencil onto the destination (RGB is the color for truecolor drawers, A is the palette index for paletted drawers)
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2017-02-04 23:17:29 +00:00
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DTA_TranslationIndex, // translation table to recolor the source
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2016-03-01 15:47:10 +00:00
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DTA_AlphaChannel, // bool: the source is an alpha channel; used with DTA_FillColor
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DTA_Clean, // bool: scale texture size and position by CleanXfac and CleanYfac
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DTA_320x200, // bool: scale texture size and position to fit on a virtual 320x200 screen
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DTA_Bottom320x200, // bool: same as DTA_320x200 but centers virtual screen on bottom for 1280x1024 targets
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DTA_CleanNoMove, // bool: like DTA_Clean but does not reposition output position
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DTA_CleanNoMove_1, // bool: like DTA_CleanNoMove, but uses Clean[XY]fac_1 instead
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DTA_FlipX, // bool: flip image horizontally //FIXME: Does not work with DTA_Window(Left|Right)
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DTA_ShadowColor, // color of shadow
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DTA_ShadowAlpha, // alpha of shadow
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DTA_Shadow, // set shadow color and alphas to defaults
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DTA_VirtualWidth, // pretend the canvas is this wide
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DTA_VirtualHeight, // pretend the canvas is this tall
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DTA_TopOffset, // override texture's top offset
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DTA_LeftOffset, // override texture's left offset
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DTA_CenterOffset, // bool: override texture's left and top offsets and set them for the texture's middle
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DTA_CenterBottomOffset,// bool: override texture's left and top offsets and set them for the texture's bottom middle
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DTA_WindowLeft, // don't draw anything left of this column (on source, not dest)
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DTA_WindowRight, // don't draw anything at or to the right of this column (on source, not dest)
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DTA_ClipTop, // don't draw anything above this row (on dest, not source)
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DTA_ClipBottom, // don't draw anything at or below this row (on dest, not source)
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DTA_ClipLeft, // don't draw anything to the left of this column (on dest, not source)
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DTA_ClipRight, // don't draw anything at or to the right of this column (on dest, not source)
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DTA_Masked, // true(default)=use masks from texture, false=ignore masks
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DTA_HUDRules, // use fullscreen HUD rules to position and size textures
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2016-04-09 18:47:54 +00:00
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DTA_HUDRulesC, // only used internally for marking HUD_HorizCenter
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2016-03-01 15:47:10 +00:00
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DTA_KeepRatio, // doesn't adjust screen size for DTA_Virtual* if the aspect ratio is not 4:3
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DTA_RenderStyle, // same as render style for actors
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2017-03-09 19:19:55 +00:00
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DTA_ColorOverlay, // uint32_t: ARGB to overlay on top of image; limited to black for software
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2016-03-01 15:47:10 +00:00
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DTA_BilinearFilter, // bool: apply bilinear filtering to the image
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DTA_SpecialColormap,// pointer to FSpecialColormapParameters (likely to be forever hardware-only)
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DTA_ColormapStyle, // pointer to FColormapStyle (hardware-only)
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DTA_Fullscreen, // Draw image fullscreen (same as DTA_VirtualWidth/Height with graphics size.)
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// floating point duplicates of some of the above:
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DTA_DestWidthF,
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DTA_DestHeightF,
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DTA_TopOffsetF,
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DTA_LeftOffsetF,
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DTA_VirtualWidthF,
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DTA_VirtualHeightF,
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DTA_WindowLeftF,
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DTA_WindowRightF,
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// For DrawText calls:
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DTA_TextLen, // stop after this many characters, even if \0 not hit
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DTA_CellX, // horizontal size of character cell
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DTA_CellY, // vertical size of character cell
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2017-03-29 19:22:05 +00:00
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// New additions.
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DTA_Color,
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2016-03-01 15:47:10 +00:00
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};
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enum
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{
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HUD_Normal,
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HUD_HorizCenter
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};
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class FFont;
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struct FRemapTable;
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class player_t;
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2017-03-09 18:31:45 +00:00
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typedef uint32_t angle_t;
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2016-03-01 15:47:10 +00:00
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2016-04-09 10:55:12 +00:00
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struct DrawParms
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{
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double x, y;
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double texwidth;
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double texheight;
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double destwidth;
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double destheight;
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double virtWidth;
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double virtHeight;
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double windowleft;
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double windowright;
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2016-04-09 18:47:54 +00:00
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int cleanmode;
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2016-04-09 10:55:12 +00:00
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int dclip;
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int uclip;
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int lclip;
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int rclip;
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double top;
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double left;
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float Alpha;
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2017-03-09 18:31:45 +00:00
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uint32_t fillcolor;
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2016-04-09 10:55:12 +00:00
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FRemapTable *remap;
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2017-03-09 18:31:45 +00:00
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uint32_t colorOverlay;
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2017-03-29 19:22:05 +00:00
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PalEntry color;
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2016-04-09 10:55:12 +00:00
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INTBOOL alphaChannel;
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INTBOOL flipX;
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2017-02-25 18:10:49 +00:00
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//float shadowAlpha;
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2016-04-09 10:55:12 +00:00
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int shadowColor;
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INTBOOL keepratio;
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INTBOOL masked;
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INTBOOL bilinear;
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FRenderStyle style;
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struct FSpecialColormap *specialcolormap;
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struct FColormapStyle *colormapstyle;
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2016-04-09 18:47:54 +00:00
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int scalex, scaley;
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int cellx, celly;
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int maxstrlen;
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bool fortext;
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bool virtBottom;
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2016-04-09 10:55:12 +00:00
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};
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2017-02-05 20:54:09 +00:00
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struct Va_List
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{
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va_list list;
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};
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2017-02-04 21:09:49 +00:00
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struct VMVa_List
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{
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VMValue *args;
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int curindex;
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int numargs;
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};
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2016-03-01 15:47:10 +00:00
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//
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// VIDEO
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//
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// [RH] Made screens more implementation-independant:
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//
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2017-04-14 08:48:18 +00:00
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class DCanvas
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2016-03-01 15:47:10 +00:00
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{
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public:
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2016-05-31 07:36:18 +00:00
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DCanvas (int width, int height, bool bgra);
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2016-03-01 15:47:10 +00:00
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virtual ~DCanvas ();
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// Member variable access
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2017-03-09 18:54:41 +00:00
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inline uint8_t *GetBuffer () const { return Buffer; }
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2016-03-01 15:47:10 +00:00
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inline int GetWidth () const { return Width; }
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inline int GetHeight () const { return Height; }
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inline int GetPitch () const { return Pitch; }
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2016-05-31 07:36:18 +00:00
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inline bool IsBgra() const { return Bgra; }
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2016-03-01 15:47:10 +00:00
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protected:
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2017-03-09 18:54:41 +00:00
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uint8_t *Buffer;
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2016-03-01 15:47:10 +00:00
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int Width;
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int Height;
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int Pitch;
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int LockCount;
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2016-05-31 07:36:18 +00:00
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bool Bgra;
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2017-03-28 11:06:24 +00:00
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int clipleft = 0, cliptop = 0, clipwidth = -1, clipheight = -1;
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2016-03-01 15:47:10 +00:00
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DCanvas() {}
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private:
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};
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// A canvas in system memory.
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class DSimpleCanvas : public DCanvas
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{
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2017-04-14 08:48:18 +00:00
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typedef DCanvas Super;
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2016-03-01 15:47:10 +00:00
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public:
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2016-05-31 07:36:18 +00:00
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DSimpleCanvas (int width, int height, bool bgra);
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2016-03-01 15:47:10 +00:00
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~DSimpleCanvas ();
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protected:
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2016-09-12 11:04:36 +00:00
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void Resize(int width, int height);
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2017-03-09 18:54:41 +00:00
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uint8_t *MemBuffer;
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2016-03-01 15:47:10 +00:00
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DSimpleCanvas() {}
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};
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// This class represents a native texture, as opposed to an FTexture.
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class FNativeTexture
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{
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2018-03-23 22:04:30 +00:00
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protected:
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FTexture * mGameTex;
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FTextureFormat mFormat;
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2016-03-01 15:47:10 +00:00
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public:
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2018-03-23 22:04:30 +00:00
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FNativeTexture(FTexture *tex, FTextureFormat fmt) : mGameTex(tex), mFormat(fmt) {}
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2016-03-01 15:47:10 +00:00
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virtual ~FNativeTexture();
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virtual bool Update() = 0;
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virtual bool CheckWrapping(bool wrapping);
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};
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// This class represents a texture lookup palette.
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class FNativePalette
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{
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public:
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virtual ~FNativePalette();
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virtual bool Update() = 0;
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};
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// A canvas that represents the actual display. The video code is responsible
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// for actually implementing this. Built on top of SimpleCanvas, because it
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// needs a system memory buffer when buffered output is enabled.
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class DFrameBuffer : public DSimpleCanvas
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{
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2017-04-14 08:48:18 +00:00
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typedef DSimpleCanvas Super;
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2018-03-26 21:16:27 +00:00
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protected:
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void DrawTextureV(FTexture *img, double x, double y, uint32_t tag, va_list tags) = delete;
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virtual void DrawTextureParms(FTexture *img, DrawParms &parms);
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template<class T>
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bool ParseDrawTextureTags(FTexture *img, double x, double y, uint32_t tag, T& tags, DrawParms *parms, bool fortext) const;
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void DrawTextCommon(FFont *font, int normalcolor, double x, double y, const char *string, DrawParms &parms);
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2016-03-01 15:47:10 +00:00
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public:
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2016-05-31 07:36:18 +00:00
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DFrameBuffer (int width, int height, bool bgra);
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2016-03-01 15:47:10 +00:00
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2018-03-27 09:12:13 +00:00
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// Access control
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2018-03-27 09:25:06 +00:00
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virtual bool IsValid() = delete;
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2018-03-27 09:12:13 +00:00
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virtual bool Lock(bool buffered = true) = 0; // Returns true if the surface was lost since last time
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virtual void Unlock() = 0;
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2016-03-01 15:47:10 +00:00
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// Make the surface visible. Also implies Unlock().
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virtual void Update () = 0;
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// Return a pointer to 256 palette entries that can be written to.
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virtual PalEntry *GetPalette () = 0;
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// Stores the palette with flash blended in into 256 dwords
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virtual void GetFlashedPalette (PalEntry palette[256]) = 0;
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// Mark the palette as changed. It will be updated on the next Update().
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virtual void UpdatePalette () = 0;
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// Sets the gamma level. Returns false if the hardware does not support
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// gamma changing. (Always true for now, since palettes can always be
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// gamma adjusted.)
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virtual bool SetGamma (float gamma) = 0;
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// Sets a color flash. RGB is the color, and amount is 0-256, with 256
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// being all flash and 0 being no flash. Returns false if the hardware
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// does not support this. (Always true for now, since palettes can always
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// be flashed.)
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virtual bool SetFlash (PalEntry rgb, int amount) = 0;
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// Converse of SetFlash
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virtual void GetFlash (PalEntry &rgb, int &amount) = 0;
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// Returns the number of video pages the frame buffer is using.
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virtual int GetPageCount () = 0;
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// Returns true if running fullscreen.
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virtual bool IsFullscreen () = 0;
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// Changes the vsync setting, if supported by the device.
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virtual void SetVSync (bool vsync);
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// Tells the device to recreate itself with the new setting from vid_refreshrate.
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virtual void NewRefreshRate ();
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// Set the rect defining the area affected by blending.
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virtual void SetBlendingRect (int x1, int y1, int x2, int y2);
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bool Accel2D; // If true, 2D drawing can be accelerated.
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2018-02-13 22:06:59 +00:00
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virtual bool LegacyHardware() const { return false; } // only for reporting SM1.4 support to the stat collector
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2016-03-01 15:47:10 +00:00
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// Begin 2D drawing operations. This is like Update, but it doesn't end
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// the scene, and it doesn't present the image yet. If you are going to
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// be covering the entire screen with 2D elements, then pass false to
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// avoid copying the software buffer to the screen.
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// Returns true if hardware-accelerated 2D has been entered, false if not.
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virtual bool Begin2D(bool copy3d);
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2017-04-01 10:59:58 +00:00
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void End2D() { isIn2D = false; }
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2016-03-01 15:47:10 +00:00
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2017-03-28 22:45:53 +00:00
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// Returns true if Begin2D has been called and 2D drawing is now active
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2017-04-01 10:59:58 +00:00
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bool HasBegun2D() { return isIn2D; }
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2017-03-28 22:45:53 +00:00
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2016-03-01 15:47:10 +00:00
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// DrawTexture calls after Begin2D use native textures.
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// Draws the blending rectangle over the viewwindow if in hardware-
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// accelerated 2D mode.
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virtual void DrawBlendingRect();
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// Create a native texture from a game texture.
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2018-03-23 22:04:30 +00:00
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virtual FNativeTexture *CreateTexture(FTexture *gametex, FTextureFormat fmt, bool wrapping);
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2016-03-01 15:47:10 +00:00
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// Create a palette texture from a remap/palette table.
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virtual FNativePalette *CreatePalette(FRemapTable *remap);
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// Precaches or unloads a texture
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2016-05-01 20:47:36 +00:00
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2016-03-01 15:47:10 +00:00
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// Report a game restart
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virtual void GameRestart();
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// Screen wiping
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virtual bool WipeStartScreen(int type);
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virtual void WipeEndScreen();
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virtual bool WipeDo(int ticks);
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virtual void WipeCleanup();
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2017-03-09 18:31:45 +00:00
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virtual void ScaleCoordsFromWindow(int16_t &x, int16_t &y) {}
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2016-03-01 15:47:10 +00:00
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2017-11-16 01:33:08 +00:00
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uint64_t GetLastFPS() const { return LastCount; }
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2016-03-01 15:47:10 +00:00
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2018-03-26 21:16:27 +00:00
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// 2D Texture drawing
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void ClearClipRect() { clipleft = cliptop = 0; clipwidth = clipheight = -1; }
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void SetClipRect(int x, int y, int w, int h);
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void GetClipRect(int *x, int *y, int *w, int *h);
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// Dim the entire canvas for the menus
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virtual void Dim(PalEntry color = 0);
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// Dim part of the canvas
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virtual void Dim(PalEntry color, float amount, int x1, int y1, int w, int h) final;
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virtual void DoDim(PalEntry color, float amount, int x1, int y1, int w, int h);
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// Fill an area with a texture
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virtual void FlatFill(int left, int top, int right, int bottom, FTexture *src, bool local_origin = false);
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// Fill a simple polygon with a texture
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virtual void FillSimplePoly(FTexture *tex, FVector2 *points, int npoints,
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double originx, double originy, double scalex, double scaley, DAngle rotation,
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const FColormap &colormap, PalEntry flatcolor, int lightlevel, int bottomclip);
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// Set an area to a specified color
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virtual void Clear(int left, int top, int right, int bottom, int palcolor, uint32_t color) final;
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virtual void DoClear(int left, int top, int right, int bottom, int palcolor, uint32_t color);
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// Draws a line
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virtual void DrawLine(int x0, int y0, int x1, int y1, int palColor, uint32_t realcolor);
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// Draws a single pixel
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virtual void DrawPixel(int x, int y, int palcolor, uint32_t rgbcolor);
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bool SetTextureParms(DrawParms *parms, FTexture *img, double x, double y) const;
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void DrawTexture(FTexture *img, double x, double y, int tags, ...);
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void DrawTexture(FTexture *img, double x, double y, VMVa_List &);
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void FillBorder(FTexture *img); // Fills the border around a 4:3 part of the screen on non-4:3 displays
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void VirtualToRealCoords(double &x, double &y, double &w, double &h, double vwidth, double vheight, bool vbottom = false, bool handleaspect = true) const;
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// Code that uses these (i.e. SBARINFO) should probably be evaluated for using doubles all around instead.
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void VirtualToRealCoordsInt(int &x, int &y, int &w, int &h, int vwidth, int vheight, bool vbottom = false, bool handleaspect = true) const;
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// Text drawing functions -----------------------------------------------
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#ifdef DrawText
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|
#undef DrawText // See WinUser.h for the definition of DrawText as a macro
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#endif
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// 2D Text drawing
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void DrawText(FFont *font, int normalcolor, double x, double y, const char *string, int tag_first, ...);
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void DrawText(FFont *font, int normalcolor, double x, double y, const char *string, VMVa_List &args);
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void DrawChar(FFont *font, int normalcolor, double x, double y, int character, int tag_first, ...);
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void DrawChar(FFont *font, int normalcolor, double x, double y, int character, VMVa_List &args);
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void DrawFrame(int left, int top, int width, int height);
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void DrawBorder(int x1, int y1, int x2, int y2);
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void DrawViewBorder();
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void DrawTopBorder();
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|
|
void RefreshViewBorder();
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|
|
2018-03-27 08:34:21 +00:00
|
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|
// Calculate gamma table
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|
|
void CalcGamma(float gamma, uint8_t gammalookup[256]);
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// Retrieves a buffer containing image data for a screenshot.
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|
// Hint: Pitch can be negative for upside-down images, in which case buffer
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|
|
// points to the last row in the buffer, which will be the first row output.
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|
|
virtual void GetScreenshotBuffer(const uint8_t *&buffer, int &pitch, ESSType &color_type, float &gamma) {}
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|
|
// Releases the screenshot buffer.
|
|
|
|
virtual void ReleaseScreenshotBuffer() {}
|
2018-03-26 21:16:27 +00:00
|
|
|
|
2016-09-14 21:38:11 +00:00
|
|
|
// The original size of the framebuffer as selected in the video menu.
|
|
|
|
int VideoWidth = 0;
|
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|
|
int VideoHeight = 0;
|
2017-11-14 20:52:54 +00:00
|
|
|
uint64_t FrameTime = 0;
|
2016-09-14 21:38:11 +00:00
|
|
|
|
2016-03-01 15:47:10 +00:00
|
|
|
protected:
|
|
|
|
void DrawRateStuff ();
|
2017-03-09 18:54:41 +00:00
|
|
|
void CopyFromBuff (uint8_t *src, int srcPitch, int width, int height, uint8_t *dest);
|
|
|
|
void CopyWithGammaBgra(void *output, int pitch, const uint8_t *gammared, const uint8_t *gammagreen, const uint8_t *gammablue, PalEntry flash, int flash_amount);
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
DFrameBuffer () {}
|
|
|
|
|
|
|
|
private:
|
2017-11-16 01:33:08 +00:00
|
|
|
uint64_t LastMS, LastSec, FrameCount, LastCount, LastTic;
|
2017-04-01 10:59:58 +00:00
|
|
|
bool isIn2D = false;
|
2016-03-01 15:47:10 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
// This is the screen updated by I_FinishUpdate.
|
|
|
|
extern DFrameBuffer *screen;
|
|
|
|
|
|
|
|
#define SCREENWIDTH (screen->GetWidth ())
|
|
|
|
#define SCREENHEIGHT (screen->GetHeight ())
|
|
|
|
#define SCREENPITCH (screen->GetPitch ())
|
|
|
|
|
|
|
|
EXTERN_CVAR (Float, Gamma)
|
|
|
|
|
|
|
|
// Translucency tables
|
|
|
|
|
|
|
|
// RGB32k is a normal R5G5B5 -> palette lookup table.
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|
|
|
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|
|
// Use a union so we can "overflow" without warnings.
|
|
|
|
// Otherwise, we get stuff like this from Clang (when compiled
|
|
|
|
// with -fsanitize=bounds) while running:
|
2017-03-09 18:54:41 +00:00
|
|
|
// src/v_video.cpp:390:12: runtime error: index 1068 out of bounds for type 'uint8_t [32]'
|
|
|
|
// src/r_draw.cpp:273:11: runtime error: index 1057 out of bounds for type 'uint8_t [32]'
|
2016-03-01 15:47:10 +00:00
|
|
|
union ColorTable32k
|
|
|
|
{
|
2017-03-09 18:54:41 +00:00
|
|
|
uint8_t RGB[32][32][32];
|
|
|
|
uint8_t All[32 *32 *32];
|
2016-03-01 15:47:10 +00:00
|
|
|
};
|
2017-03-11 10:31:09 +00:00
|
|
|
extern ColorTable32k RGB32k;
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2016-12-19 12:18:20 +00:00
|
|
|
// [SP] RGB666 support
|
|
|
|
union ColorTable256k
|
|
|
|
{
|
2017-03-09 18:54:41 +00:00
|
|
|
uint8_t RGB[64][64][64];
|
|
|
|
uint8_t All[64 *64 *64];
|
2016-12-19 12:18:20 +00:00
|
|
|
};
|
2017-03-11 10:31:09 +00:00
|
|
|
extern ColorTable256k RGB256k;
|
2016-12-19 12:18:20 +00:00
|
|
|
|
2016-03-01 15:47:10 +00:00
|
|
|
// Col2RGB8 is a pre-multiplied palette for color lookup. It is stored in a
|
|
|
|
// special R10B10G10 format for efficient blending computation.
|
|
|
|
// --RRRRRrrr--BBBBBbbb--GGGGGggg-- at level 64
|
|
|
|
// --------rrrr------bbbb------gggg at level 1
|
2017-03-11 10:31:09 +00:00
|
|
|
extern uint32_t Col2RGB8[65][256];
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// Col2RGB8_LessPrecision is the same as Col2RGB8, but the LSB for red
|
|
|
|
// and blue are forced to zero, so if the blend overflows, it won't spill
|
|
|
|
// over into the next component's value.
|
|
|
|
// --RRRRRrrr-#BBBBBbbb-#GGGGGggg-- at level 64
|
|
|
|
// --------rrr#------bbb#------gggg at level 1
|
2017-03-11 10:31:09 +00:00
|
|
|
extern uint32_t *Col2RGB8_LessPrecision[65];
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// Col2RGB8_Inverse is the same as Col2RGB8_LessPrecision, except the source
|
|
|
|
// palette has been inverted.
|
2017-03-11 10:31:09 +00:00
|
|
|
extern uint32_t Col2RGB8_Inverse[65][256];
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// "Magic" numbers used during the blending:
|
|
|
|
// --000001111100000111110000011111 = 0x01f07c1f
|
|
|
|
// -0111111111011111111101111111111 = 0x3FEFFBFF
|
|
|
|
// -1000000000100000000010000000000 = 0x40100400
|
|
|
|
// ------10000000001000000000100000 = 0x40100400 >> 5
|
|
|
|
// --11111-----11111-----11111----- = 0x40100400 - (0x40100400 >> 5) aka "white"
|
|
|
|
// --111111111111111111111111111111 = 0x3FFFFFFF
|
|
|
|
|
|
|
|
// Allocates buffer screens, call before R_Init.
|
|
|
|
void V_Init (bool restart);
|
|
|
|
|
|
|
|
// Initializes graphics mode for the first time.
|
|
|
|
void V_Init2 ();
|
|
|
|
|
|
|
|
void V_Shutdown ();
|
|
|
|
|
2016-12-03 15:27:53 +00:00
|
|
|
class FScanner;
|
2017-04-12 23:12:04 +00:00
|
|
|
struct FScriptPosition;
|
2016-03-01 15:47:10 +00:00
|
|
|
// Returns the closest color to the one desired. String
|
|
|
|
// should be of the form "rr gg bb".
|
2017-03-09 19:19:55 +00:00
|
|
|
int V_GetColorFromString (const uint32_t *palette, const char *colorstring, FScriptPosition *sc = nullptr);
|
2016-03-01 15:47:10 +00:00
|
|
|
// Scans through the X11R6RGB lump for a matching color
|
|
|
|
// and returns a color string suitable for V_GetColorFromString.
|
2016-12-03 15:27:53 +00:00
|
|
|
FString V_GetColorStringByName (const char *name, FScriptPosition *sc = nullptr);
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// Tries to get color by name, then by string
|
2017-03-09 19:19:55 +00:00
|
|
|
int V_GetColor (const uint32_t *palette, const char *str, FScriptPosition *sc = nullptr);
|
|
|
|
int V_GetColor(const uint32_t *palette, FScanner &sc);
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// If the view size is not full screen, draws a border around it.
|
|
|
|
void V_SetBorderNeedRefresh();
|
|
|
|
|
|
|
|
int CheckRatio (int width, int height, int *trueratio=NULL);
|
|
|
|
static inline int CheckRatio (double width, double height) { return CheckRatio(int(width), int(height)); }
|
2016-09-12 13:51:50 +00:00
|
|
|
inline bool IsRatioWidescreen(int ratio) { return (ratio & 3) != 0; }
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2016-09-12 11:59:01 +00:00
|
|
|
float ActiveRatio (int width, int height, float *trueratio = NULL);
|
|
|
|
static inline double ActiveRatio (double width, double height) { return ActiveRatio(int(width), int(height)); }
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2016-09-12 12:37:10 +00:00
|
|
|
int AspectBaseWidth(float aspect);
|
|
|
|
int AspectBaseHeight(float aspect);
|
2016-09-13 09:46:05 +00:00
|
|
|
double AspectPspriteOffset(float aspect);
|
2016-09-12 12:37:10 +00:00
|
|
|
int AspectMultiplier(float aspect);
|
2016-09-13 21:26:30 +00:00
|
|
|
bool AspectTallerThanWide(float aspect);
|
2017-05-13 21:39:54 +00:00
|
|
|
void ScaleWithAspect(int &w, int &h, int Width, int Height);
|
|
|
|
|
2017-03-30 00:16:23 +00:00
|
|
|
int GetUIScale(int altval);
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2016-09-06 17:48:14 +00:00
|
|
|
EXTERN_CVAR(Int, uiscale);
|
2017-03-30 00:16:23 +00:00
|
|
|
EXTERN_CVAR(Int, con_scaletext);
|
|
|
|
EXTERN_CVAR(Int, con_scale);
|
|
|
|
|
|
|
|
inline int active_con_scaletext()
|
|
|
|
{
|
|
|
|
return GetUIScale(con_scaletext);
|
|
|
|
}
|
|
|
|
|
|
|
|
inline int active_con_scale()
|
|
|
|
{
|
|
|
|
return GetUIScale(con_scale);
|
|
|
|
}
|
|
|
|
|
2016-09-06 17:48:14 +00:00
|
|
|
|
2016-03-01 15:47:10 +00:00
|
|
|
#endif // __V_VIDEO_H__
|