mirror of
https://github.com/ZDoom/gzdoom.git
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921bc763fb
- moved testcolor and test fades into SWRenderer files. These CCMDs work by hacking the default colormap and were never implemented for hardware rendering because they require many checks throughout the code.
385 lines
11 KiB
C++
385 lines
11 KiB
C++
/*
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** r_swrender.cpp
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** Software renderer interface
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**
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**---------------------------------------------------------------------------
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** Copyright 2011 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "swrenderer/scene/r_scene.h"
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#include "swrenderer/viewport/r_viewport.h"
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#include "swrenderer/things/r_playersprite.h"
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#include "swrenderer/scene/r_scene.h"
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#include "swrenderer/scene/r_light.h"
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#include "v_palette.h"
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#include "v_video.h"
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#include "m_png.h"
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#include "r_swrenderer.h"
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#include "scene/r_opaque_pass.h"
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#include "scene/r_3dfloors.h"
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#include "scene/r_portal.h"
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#include "textures/textures.h"
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#include "r_data/voxels.h"
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#include "drawers/r_draw_rgba.h"
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#include "polyrenderer/poly_renderer.h"
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#include "p_setup.h"
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#include "g_levellocals.h"
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void gl_InitData();
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void gl_PreprocessLevel();
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void gl_CleanLevelData();
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EXTERN_CVAR(Bool, r_shadercolormaps)
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EXTERN_CVAR(Float, maxviewpitch) // [SP] CVAR from GZDoom
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CUSTOM_CVAR(Bool, r_polyrenderer, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
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{
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if (self == 1 && !hasglnodes)
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{
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Printf("No GL BSP detected. You must restart the map before rendering will be correct\n");
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}
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if (usergame)
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{
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// [SP] Update pitch limits to the netgame/gamesim.
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players[consoleplayer].SendPitchLimits();
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}
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}
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using namespace swrenderer;
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FSoftwareRenderer::FSoftwareRenderer()
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{
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}
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FSoftwareRenderer::~FSoftwareRenderer()
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{
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}
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void FSoftwareRenderer::Init()
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{
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mScene.Init();
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InitSWColorMaps();
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}
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void FSoftwareRenderer::PrecacheTexture(FTexture *tex, int cache)
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{
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bool isbgra = screen->IsBgra();
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if (tex != NULL)
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{
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if (cache & FTextureManager::HIT_Columnmode)
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{
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const FTexture::Span *spanp;
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if (isbgra)
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tex->GetColumnBgra(0, &spanp);
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else
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tex->GetColumn(0, &spanp);
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}
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else if (cache != 0)
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{
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if (isbgra)
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tex->GetPixelsBgra();
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else
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tex->GetPixels ();
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}
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else
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{
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tex->Unload ();
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}
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}
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}
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void FSoftwareRenderer::Precache(uint8_t *texhitlist, TMap<PClassActor*, bool> &actorhitlist)
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{
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uint8_t *spritelist = new uint8_t[sprites.Size()];
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TMap<PClassActor*, bool>::Iterator it(actorhitlist);
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TMap<PClassActor*, bool>::Pair *pair;
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memset(spritelist, 0, sprites.Size());
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while (it.NextPair(pair))
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{
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PClassActor *cls = pair->Key;
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for (int i = 0; i < cls->NumOwnedStates; i++)
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{
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spritelist[cls->OwnedStates[i].sprite] = true;
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}
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}
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// Precache textures (and sprites).
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for (int i = (int)(sprites.Size() - 1); i >= 0; i--)
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{
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if (spritelist[i])
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{
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int j, k;
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for (j = 0; j < sprites[i].numframes; j++)
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{
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const spriteframe_t *frame = &SpriteFrames[sprites[i].spriteframes + j];
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for (k = 0; k < 16; k++)
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{
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FTextureID pic = frame->Texture[k];
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if (pic.isValid())
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{
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texhitlist[pic.GetIndex()] = FTextureManager::HIT_Sprite;
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}
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}
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}
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}
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}
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delete[] spritelist;
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int cnt = TexMan.NumTextures();
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for (int i = cnt - 1; i >= 0; i--)
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{
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PrecacheTexture(TexMan.ByIndex(i), texhitlist[i]);
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}
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}
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void FSoftwareRenderer::RenderView(player_t *player)
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{
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if (r_polyrenderer)
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{
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PolyRenderer::Instance()->Thread.Viewport->viewpoint = r_viewpoint;
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PolyRenderer::Instance()->Thread.Viewport->viewwindow = r_viewwindow;
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PolyRenderer::Instance()->RenderView(player);
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r_viewpoint = PolyRenderer::Instance()->Thread.Viewport->viewpoint;
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r_viewwindow = PolyRenderer::Instance()->Thread.Viewport->viewwindow;
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}
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else
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{
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mScene.MainThread()->Viewport->viewpoint = r_viewpoint;
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mScene.MainThread()->Viewport->viewwindow = r_viewwindow;
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mScene.RenderView(player);
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r_viewpoint = mScene.MainThread()->Viewport->viewpoint;
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r_viewwindow = mScene.MainThread()->Viewport->viewwindow;
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}
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FCanvasTextureInfo::UpdateAll();
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}
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void FSoftwareRenderer::RemapVoxels()
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{
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for (unsigned i=0; i<Voxels.Size(); i++)
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{
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Voxels[i]->CreateBgraSlabData();
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Voxels[i]->Remap();
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}
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}
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void FSoftwareRenderer::WriteSavePic (player_t *player, FileWriter *file, int width, int height)
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{
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DCanvas *pic = new DSimpleCanvas (width, height, false);
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PalEntry palette[256];
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// Take a snapshot of the player's view
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pic->ObjectFlags |= OF_Fixed;
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pic->Lock ();
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if (r_polyrenderer)
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{
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PolyRenderer::Instance()->Thread.Viewport->viewpoint = r_viewpoint;
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PolyRenderer::Instance()->Thread.Viewport->viewwindow = r_viewwindow;
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PolyRenderer::Instance()->RenderViewToCanvas(player->mo, pic, 0, 0, width, height, true);
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r_viewpoint = PolyRenderer::Instance()->Thread.Viewport->viewpoint;
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r_viewwindow = PolyRenderer::Instance()->Thread.Viewport->viewwindow;
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}
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else
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{
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mScene.MainThread()->Viewport->viewpoint = r_viewpoint;
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mScene.MainThread()->Viewport->viewwindow = r_viewwindow;
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mScene.RenderViewToCanvas(player->mo, pic, 0, 0, width, height);
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r_viewpoint = mScene.MainThread()->Viewport->viewpoint;
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r_viewwindow = mScene.MainThread()->Viewport->viewwindow;
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}
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screen->GetFlashedPalette (palette);
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M_CreatePNG (file, pic->GetBuffer(), palette, SS_PAL, width, height, pic->GetPitch());
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pic->Unlock ();
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pic->Destroy();
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pic->ObjectFlags |= OF_YesReallyDelete;
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delete pic;
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}
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void FSoftwareRenderer::DrawRemainingPlayerSprites()
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{
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if (!r_polyrenderer)
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{
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mScene.MainThread()->Viewport->viewpoint = r_viewpoint;
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mScene.MainThread()->Viewport->viewwindow = r_viewwindow;
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mScene.MainThread()->PlayerSprites->RenderRemaining();
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r_viewpoint = mScene.MainThread()->Viewport->viewpoint;
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r_viewwindow = mScene.MainThread()->Viewport->viewwindow;
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}
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else
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{
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PolyRenderer::Instance()->Thread.Viewport->viewpoint = r_viewpoint;
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PolyRenderer::Instance()->Thread.Viewport->viewwindow = r_viewwindow;
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PolyRenderer::Instance()->RenderRemainingPlayerSprites();
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r_viewpoint = PolyRenderer::Instance()->Thread.Viewport->viewpoint;
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r_viewwindow = PolyRenderer::Instance()->Thread.Viewport->viewwindow;
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}
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}
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int FSoftwareRenderer::GetMaxViewPitch(bool down)
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{
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const int MAX_DN_ANGLE = 56; // Max looking down angle
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const int MAX_UP_ANGLE = 32; // Max looking up angle
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return (r_polyrenderer) ? int(maxviewpitch) : (down ? MAX_DN_ANGLE : MAX_UP_ANGLE);
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}
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bool FSoftwareRenderer::RequireGLNodes()
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{
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return true;
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}
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void FSoftwareRenderer::OnModeSet ()
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{
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mScene.ScreenResized();
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}
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void FSoftwareRenderer::SetClearColor(int color)
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{
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mScene.SetClearColor(color);
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}
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void FSoftwareRenderer::RenderTextureView (FCanvasTexture *tex, AActor *viewpoint, int fov)
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{
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auto viewport = r_polyrenderer ? PolyRenderer::Instance()->Thread.Viewport.get() : mScene.MainThread()->Viewport.get();
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// Grab global state shared with rest of zdoom
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viewport->viewpoint = r_viewpoint;
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viewport->viewwindow = r_viewwindow;
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uint8_t *Pixels = viewport->RenderTarget->IsBgra() ? (uint8_t*)tex->GetPixelsBgra() : (uint8_t*)tex->GetPixels();
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DSimpleCanvas *Canvas = viewport->RenderTarget->IsBgra() ? tex->GetCanvasBgra() : tex->GetCanvas();
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// curse Doom's overuse of global variables in the renderer.
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// These get clobbered by rendering to a camera texture but they need to be preserved so the final rendering can be done with the correct palette.
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CameraLight savedCameraLight = *CameraLight::Instance();
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DAngle savedfov = viewport->viewpoint.FieldOfView;
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R_SetFOV (viewport->viewpoint, (double)fov);
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if (r_polyrenderer)
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PolyRenderer::Instance()->RenderViewToCanvas(viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
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else
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mScene.RenderViewToCanvas(viewpoint, Canvas, 0, 0, tex->GetWidth(), tex->GetHeight(), tex->bFirstUpdate);
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R_SetFOV (viewport->viewpoint, savedfov);
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if (Canvas->IsBgra())
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{
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if (Pixels == Canvas->GetBuffer())
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{
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FTexture::FlipSquareBlockBgra((uint32_t*)Pixels, tex->GetWidth(), tex->GetHeight());
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}
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else
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{
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FTexture::FlipNonSquareBlockBgra((uint32_t*)Pixels, (const uint32_t*)Canvas->GetBuffer(), tex->GetWidth(), tex->GetHeight(), Canvas->GetPitch());
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}
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}
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else
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{
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if (Pixels == Canvas->GetBuffer())
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{
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FTexture::FlipSquareBlockRemap(Pixels, tex->GetWidth(), tex->GetHeight(), GPalette.Remap);
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}
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else
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{
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FTexture::FlipNonSquareBlockRemap(Pixels, Canvas->GetBuffer(), tex->GetWidth(), tex->GetHeight(), Canvas->GetPitch(), GPalette.Remap);
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}
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}
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if (viewport->RenderTarget->IsBgra())
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{
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// True color render still sometimes uses palette textures (for sprites, mostly).
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// We need to make sure that both pixel buffers contain data:
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int width = tex->GetWidth();
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int height = tex->GetHeight();
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uint8_t *palbuffer = (uint8_t *)tex->GetPixels();
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uint32_t *bgrabuffer = (uint32_t*)tex->GetPixelsBgra();
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for (int x = 0; x < width; x++)
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{
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for (int y = 0; y < height; y++)
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{
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uint32_t color = bgrabuffer[y];
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int r = RPART(color);
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int g = GPART(color);
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int b = BPART(color);
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palbuffer[y] = RGB32k.RGB[r >> 3][g >> 3][b >> 3];
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}
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palbuffer += height;
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bgrabuffer += height;
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}
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}
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tex->SetUpdated();
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*CameraLight::Instance() = savedCameraLight;
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// Sync state back to zdoom
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r_viewpoint = viewport->viewpoint;
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r_viewwindow = viewport->viewwindow;
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}
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void FSoftwareRenderer::PreprocessLevel()
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{
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gl_PreprocessLevel();
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// This just sets the default colormap for the spftware renderer.
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NormalLight.Maps = realcolormaps.Maps;
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NormalLight.ChangeColor(PalEntry(255, 255, 255), 0);
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NormalLight.ChangeFade(level.fadeto);
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if (level.fadeto == 0)
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{
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SetDefaultColormap(level.info->FadeTable);
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if (level.flags & LEVEL_HASFADETABLE)
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{
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level.fadeto = 0xff939393; //[SP] Hexen True-color compatibility, just use gray.
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}
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}
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}
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void FSoftwareRenderer::CleanLevelData()
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{
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gl_CleanLevelData();
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}
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double FSoftwareRenderer::GetVisibility()
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{
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return mScene.MainThread()->Light->GetVisibility();
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}
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void FSoftwareRenderer::SetVisibility(double vis)
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{
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mScene.MainThread()->Light->SetVisibility(mScene.MainThread()->Viewport.get(), vis);
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}
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