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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2018-10-21 06:14:48 +00:00
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#include <functional>
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2016-03-01 15:47:10 +00:00
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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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2020-04-11 10:25:57 +00:00
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#include "m_png.h"
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2016-03-01 15:47:10 +00:00
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#include "dobject.h"
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2020-04-11 17:02:14 +00:00
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#include "renderstyle.h"
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2016-03-01 15:47:10 +00:00
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#include "c_cvars.h"
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2020-04-11 17:02:14 +00:00
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#include "v_colortables.h"
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2018-03-28 14:40:09 +00:00
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#include "v_2ddrawer.h"
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2020-04-11 17:46:57 +00:00
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2018-10-28 22:32:13 +00:00
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#include "hwrenderer/dynlights/hw_shadowmap.h"
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2016-03-01 15:47:10 +00:00
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2019-12-24 04:14:08 +00:00
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static const int VID_MIN_WIDTH = 320;
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static const int VID_MIN_HEIGHT = 200;
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static const int VID_MIN_UI_WIDTH = 640;
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static const int VID_MIN_UI_HEIGHT = 400;
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2019-04-07 10:49:54 +00:00
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2020-04-11 17:46:57 +00:00
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class player_t;
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2018-05-05 09:20:37 +00:00
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struct sector_t;
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2018-10-24 22:49:39 +00:00
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struct FPortalSceneState;
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2018-10-27 19:31:27 +00:00
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class FSkyVertexBuffer;
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2018-10-27 08:26:51 +00:00
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class IIndexBuffer;
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class IVertexBuffer;
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2018-10-28 10:54:26 +00:00
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class IDataBuffer;
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2018-10-28 12:56:24 +00:00
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class FFlatVertexBuffer;
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2019-06-10 08:50:17 +00:00
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class HWViewpointBuffer;
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2018-10-28 14:22:48 +00:00
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class FLightBuffer;
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2018-10-28 18:39:31 +00:00
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struct HWDrawInfo;
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2020-04-18 21:56:22 +00:00
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class FMaterial;
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class FGameTexture;
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2020-04-24 14:15:18 +00:00
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class FRenderState;
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2018-05-05 09:20:37 +00:00
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2018-04-26 22:22:00 +00:00
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enum EHWCaps
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{
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// [BB] Added texture compression flags.
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RFL_TEXTURE_COMPRESSION = 1,
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RFL_TEXTURE_COMPRESSION_S3TC = 2,
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RFL_SHADER_STORAGE_BUFFER = 4,
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RFL_BUFFER_STORAGE = 8,
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RFL_NO_CLIP_PLANES = 32,
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RFL_INVALIDATE_BUFFER = 64,
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RFL_DEBUG = 128,
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};
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2018-10-21 06:14:48 +00:00
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2018-05-12 15:23:56 +00:00
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struct IntRect
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{
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int left, top;
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int width, height;
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void Offset(int xofs, int yofs)
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{
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left += xofs;
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top += yofs;
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}
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2019-02-18 19:53:56 +00:00
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void AddToRect(int x, int y)
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{
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if (x < left)
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left = x;
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if (x > left + width)
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width = x - left;
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if (y < top)
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top = y;
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if (y > top + height)
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height = y - top;
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}
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2018-05-12 15:23:56 +00:00
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};
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2018-06-17 14:19:14 +00:00
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extern int DisplayWidth, DisplayHeight;
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2016-03-01 15:47:10 +00:00
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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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2018-04-07 21:30:28 +00:00
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EXTERN_CVAR(Int, vid_rendermode)
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2020-04-11 11:05:58 +00:00
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EXTERN_CVAR(Bool, vid_fullscreen)
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2018-07-28 08:05:16 +00:00
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EXTERN_CVAR(Int, win_x)
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EXTERN_CVAR(Int, win_y)
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EXTERN_CVAR(Int, win_w)
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EXTERN_CVAR(Int, win_h)
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2018-07-28 08:27:41 +00:00
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EXTERN_CVAR(Bool, win_maximized)
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2018-07-28 08:05:16 +00:00
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2018-04-07 21:30:28 +00:00
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inline bool V_IsHardwareRenderer()
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{
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return vid_rendermode == 4;
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}
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inline bool V_IsSoftwareRenderer()
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{
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return vid_rendermode < 2;
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}
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inline bool V_IsPolyRenderer()
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{
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return vid_rendermode == 2 || vid_rendermode == 3;
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}
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inline bool V_IsTrueColor()
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{
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2018-05-05 09:20:37 +00:00
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return vid_rendermode == 1 || vid_rendermode == 3 || vid_rendermode == 4;
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2018-04-07 21:30:28 +00:00
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}
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2017-03-15 15:47:42 +00:00
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struct FColormap;
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2018-04-03 22:21:25 +00:00
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class FileWriter;
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2018-03-24 07:40:24 +00:00
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enum FTextureFormat : uint32_t;
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2018-04-24 22:07:46 +00:00
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class FModelRenderer;
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2018-06-13 13:53:56 +00:00
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struct SamplerUniform;
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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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//
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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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2018-11-30 16:02:39 +00:00
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~DCanvas ();
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2019-05-22 04:29:52 +00:00
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void Resize(int width, int height, bool optimizepitch = true);
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2016-03-01 15:47:10 +00:00
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// Member variable access
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2018-11-30 16:02:39 +00:00
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inline uint8_t *GetPixels () const { return Pixels.Data(); }
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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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2018-11-30 16:02:39 +00:00
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TArray<uint8_t> Pixels;
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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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2016-05-31 07:36:18 +00:00
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bool Bgra;
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2016-03-01 15:47:10 +00:00
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};
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2018-04-24 21:06:34 +00:00
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class IHardwareTexture;
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2018-04-24 18:41:52 +00:00
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class FTexture;
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2016-03-01 15:47:10 +00:00
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2018-03-27 12:14:46 +00:00
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class DFrameBuffer
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2016-03-01 15:47:10 +00:00
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{
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2020-04-11 17:46:57 +00:00
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public:
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2018-03-26 21:16:27 +00:00
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2018-03-28 19:38:00 +00:00
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F2DDrawer m2DDrawer;
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2018-06-17 14:19:14 +00:00
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private:
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2018-03-27 12:14:46 +00:00
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int Width = 0;
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int Height = 0;
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2018-03-26 21:16:27 +00:00
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2018-04-26 22:22:00 +00:00
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public:
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2018-10-28 12:18:13 +00:00
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// Hardware render state that needs to be exposed to the API independent part of the renderer. For ease of access this is stored in the base class.
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int hwcaps = 0; // Capability flags
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float glslversion = 0; // This is here so that the differences between old OpenGL and new OpenGL/Vulkan can be handled by platform independent code.
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int instack[2] = { 0,0 }; // this is globally maintained state for portal recursion avoidance.
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int stencilValue = 0; // Global stencil test value
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unsigned int uniformblockalignment = 256; // Hardware dependent uniform buffer alignment.
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2018-10-28 14:04:57 +00:00
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unsigned int maxuniformblock = 65536;
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2019-06-04 09:42:01 +00:00
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const char *vendorstring; // We have to account for some issues with particular vendors.
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2018-10-28 12:18:13 +00:00
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FPortalSceneState *mPortalState; // global portal state.
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2018-10-28 12:56:24 +00:00
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FSkyVertexBuffer *mSkyData = nullptr; // the sky vertex buffer
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FFlatVertexBuffer *mVertexData = nullptr; // Global vertex data
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2019-06-10 08:50:17 +00:00
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HWViewpointBuffer *mViewpoints = nullptr; // Viewpoint render data.
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2018-10-28 14:22:48 +00:00
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FLightBuffer *mLights = nullptr; // Dynamic lights
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2018-10-28 22:32:13 +00:00
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IShadowMap mShadowMap;
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2018-04-26 22:22:00 +00:00
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2018-05-12 15:23:56 +00:00
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IntRect mScreenViewport;
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IntRect mSceneViewport;
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IntRect mOutputLetterbox;
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2018-10-29 08:34:30 +00:00
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float mSceneClearColor[4];
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2018-05-12 15:23:56 +00:00
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2016-03-01 15:47:10 +00:00
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public:
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2018-06-17 14:19:14 +00:00
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DFrameBuffer (int width=1, int height=1);
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2018-10-24 22:49:39 +00:00
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virtual ~DFrameBuffer();
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2018-10-20 10:55:25 +00:00
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virtual void InitializeState() = 0; // For stuff that needs 'screen' set.
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2019-04-11 17:21:40 +00:00
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virtual bool IsVulkan() { return false; }
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2019-07-24 20:13:00 +00:00
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virtual bool IsPoly() { return false; }
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virtual DCanvas* GetCanvas() { return nullptr; }
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2016-03-01 15:47:10 +00:00
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2018-06-17 14:19:14 +00:00
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void SetSize(int width, int height);
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void SetVirtualSize(int width, int height)
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{
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Width = width;
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Height = height;
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}
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2018-03-27 12:14:46 +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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2018-06-17 10:23:29 +00:00
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FVector2 SceneScale() const
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{
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return { mSceneViewport.width / (float)mScreenViewport.width, mSceneViewport.height / (float)mScreenViewport.height };
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}
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FVector2 SceneOffset() const
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{
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return { mSceneViewport.left / (float)mScreenViewport.width, mSceneViewport.top / (float)mScreenViewport.height };
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}
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2018-04-08 08:52:10 +00:00
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// Make the surface visible.
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2018-10-28 12:56:24 +00:00
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virtual void Update ();
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2016-03-01 15:47:10 +00:00
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// Stores the palette with flash blended in into 256 dwords
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// Mark the palette as changed. It will be updated on the next Update().
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2018-05-16 20:10:24 +00:00
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virtual void UpdatePalette() {}
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2016-03-01 15:47:10 +00:00
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2018-04-29 11:45:53 +00:00
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virtual void SetGamma() {}
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2016-03-01 15:47:10 +00:00
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// Returns true if running fullscreen.
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virtual bool IsFullscreen () = 0;
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2018-06-17 20:09:25 +00:00
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virtual void ToggleFullscreen(bool yes) {}
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2016-03-01 15:47:10 +00:00
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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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2018-04-08 06:03:46 +00:00
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// Delete any resources that need to be deleted after restarting with a different IWAD
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virtual void CleanForRestart() {}
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2018-04-08 10:11:51 +00:00
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virtual void SetTextureFilterMode() {}
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2018-12-11 19:26:33 +00:00
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virtual IHardwareTexture *CreateHardwareTexture() { return nullptr; }
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2018-07-14 11:05:49 +00:00
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virtual void PrecacheMaterial(FMaterial *mat, int translation) {}
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2018-04-24 22:07:46 +00:00
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virtual FModelRenderer *CreateModelRenderer(int mli) { return nullptr; }
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2020-04-18 21:56:22 +00:00
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virtual FMaterial* CreateMaterial(FGameTexture* tex, int scaleflags);
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2018-04-25 19:02:50 +00:00
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virtual void TextureFilterChanged() {}
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2018-04-29 18:15:19 +00:00
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virtual void BeginFrame() {}
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2018-07-21 19:32:02 +00:00
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virtual void SetWindowSize(int w, int h) {}
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2019-03-21 20:57:39 +00:00
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virtual void StartPrecaching() {}
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2020-04-24 14:15:18 +00:00
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virtual FRenderState* RenderState() { return nullptr; }
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2016-03-01 15:47:10 +00:00
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2018-05-12 15:23:56 +00:00
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virtual int GetClientWidth() = 0;
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virtual int GetClientHeight() = 0;
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2018-05-17 22:22:57 +00:00
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virtual void BlurScene(float amount) {}
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2018-06-12 08:58:32 +00:00
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// Interface to hardware rendering resources
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2018-10-27 08:26:51 +00:00
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virtual IVertexBuffer *CreateVertexBuffer() { return nullptr; }
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virtual IIndexBuffer *CreateIndexBuffer() { return nullptr; }
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2019-04-18 20:01:42 +00:00
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virtual IDataBuffer *CreateDataBuffer(int bindingpoint, bool ssbo, bool needsresize) { return nullptr; }
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2018-10-20 10:55:25 +00:00
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bool BuffersArePersistent() { return !!(hwcaps & RFL_BUFFER_STORAGE); }
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2018-05-12 15:23:56 +00:00
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2018-08-28 10:58:57 +00:00
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// Begin/End 2D drawing operations.
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2020-04-11 17:46:57 +00:00
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void Begin2D()
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{
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m2DDrawer.Begin();
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m2DDrawer.SetSize(Width, Height);
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}
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void End2D() { m2DDrawer.End(); }
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2016-03-01 15:47:10 +00:00
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2018-08-28 10:58:57 +00:00
|
|
|
void End2DAndUpdate()
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|
|
|
{
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|
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|
DrawRateStuff();
|
2020-04-11 17:46:57 +00:00
|
|
|
m2DDrawer.End();
|
2018-08-28 10:58:57 +00:00
|
|
|
Update();
|
|
|
|
}
|
|
|
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|
2018-08-28 20:58:21 +00:00
|
|
|
// This is overridable in case Vulkan does it differently.
|
|
|
|
virtual bool RenderTextureIsFlipped() const
|
|
|
|
{
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|
|
|
return true;
|
|
|
|
}
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// Report a game restart
|
2018-10-29 08:34:30 +00:00
|
|
|
void SetClearColor(int color);
|
2018-04-03 20:50:47 +00:00
|
|
|
virtual uint32_t GetCaps();
|
2019-08-11 19:16:09 +00:00
|
|
|
virtual int Backend() { return 0; }
|
|
|
|
virtual const char* DeviceName() const { return "Unknown"; }
|
2018-04-05 21:08:09 +00:00
|
|
|
virtual void WriteSavePic(player_t *player, FileWriter *file, int width, int height);
|
2018-05-05 09:20:37 +00:00
|
|
|
virtual sector_t *RenderView(player_t *player) { return nullptr; }
|
2020-04-24 19:47:18 +00:00
|
|
|
virtual void AmbientOccludeScene(float m5) {}
|
2020-04-25 08:51:45 +00:00
|
|
|
virtual void FirstEye() {}
|
|
|
|
virtual void NextEye(int eyecount) {}
|
|
|
|
virtual void SetSceneRenderTarget(bool useSSAO) {}
|
|
|
|
virtual void UpdateShadowMap() {}
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// Screen wiping
|
2018-08-28 13:11:35 +00:00
|
|
|
virtual FTexture *WipeStartScreen();
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|
|
|
virtual FTexture *WipeEndScreen();
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2020-04-25 08:51:45 +00:00
|
|
|
virtual void PostProcessScene(bool swscene, int fixedcm, const std::function<void()> &afterBloomDrawEndScene2D) { if (afterBloomDrawEndScene2D) afterBloomDrawEndScene2D(); }
|
2018-08-04 12:58:55 +00:00
|
|
|
|
2018-05-16 20:10:24 +00:00
|
|
|
void ScaleCoordsFromWindow(int16_t &x, int16_t &y);
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2017-11-16 01:33:08 +00:00
|
|
|
uint64_t GetLastFPS() const { return LastCount; }
|
2016-03-01 15:47:10 +00:00
|
|
|
|
2018-03-28 14:40:09 +00:00
|
|
|
virtual void Draw2D() {}
|
|
|
|
void Clear2D() { m2DDrawer.Clear(); }
|
2018-03-26 21:16:27 +00:00
|
|
|
|
2018-03-27 08:34:21 +00:00
|
|
|
// Calculate gamma table
|
|
|
|
void CalcGamma(float gamma, uint8_t gammalookup[256]);
|
|
|
|
|
2018-06-03 11:59:40 +00:00
|
|
|
virtual void SetViewportRects(IntRect *bounds);
|
2018-05-12 15:23:56 +00:00
|
|
|
int ScreenToWindowX(int x);
|
|
|
|
int ScreenToWindowY(int y);
|
|
|
|
|
2019-03-26 10:10:17 +00:00
|
|
|
void FPSLimit();
|
2018-03-27 08:34:21 +00:00
|
|
|
|
|
|
|
// Retrieves a buffer containing image data for a screenshot.
|
|
|
|
// Hint: Pitch can be negative for upside-down images, in which case buffer
|
|
|
|
// points to the last row in the buffer, which will be the first row output.
|
2018-12-21 12:58:39 +00:00
|
|
|
virtual TArray<uint8_t> GetScreenshotBuffer(int &pitch, ESSType &color_type, float &gamma) { return TArray<uint8_t>(); }
|
2018-03-27 08:34:21 +00:00
|
|
|
|
2018-06-24 08:47:42 +00:00
|
|
|
static float GetZNear() { return 5.f; }
|
|
|
|
static float GetZFar() { return 65536.f; }
|
|
|
|
|
2016-09-14 21:38:11 +00:00
|
|
|
// The original size of the framebuffer as selected in the video menu.
|
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 ();
|
|
|
|
|
|
|
|
private:
|
2019-03-26 10:10:17 +00:00
|
|
|
uint64_t fpsLimitTime = 0;
|
2018-06-17 14:19:14 +00:00
|
|
|
|
|
|
|
uint64_t LastMS = 0, LastSec = 0, FrameCount = 0, LastCount = 0, LastTic = 0;
|
|
|
|
|
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)
|
|
|
|
|
|
|
|
|
|
|
|
// Allocates buffer screens, call before R_Init.
|
2019-09-30 22:21:51 +00:00
|
|
|
void V_InitScreenSize();
|
|
|
|
void V_InitScreen();
|
2016-03-01 15:47:10 +00:00
|
|
|
|
|
|
|
// 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
|
|
|
|
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
|
|
|
|
2020-04-11 17:51:22 +00:00
|
|
|
|
|
|
|
#include "v_draw.h"
|
|
|
|
|
2019-03-17 11:06:09 +00:00
|
|
|
|
|
|
|
|
2016-03-01 15:47:10 +00:00
|
|
|
#endif // __V_VIDEO_H__
|