vkdoom_m/src/rendering/swrenderer/r_renderthread.cpp
Christoph Oelckers 68630d6782 - sanitized dependencies of the softpoly render backend.
This included half the game state and lots of unneeded parts of the software renderer.
The two modules that are shared between softpoly and the classic software renderer have been moved to a neutral place.
2020-04-29 18:48:15 +02:00

131 lines
4 KiB
C++

/*
** Renderer multithreading framework
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#include <stdlib.h>
#include "templates.h"
#include "doomdef.h"
#include "m_bbox.h"
#include "p_lnspec.h"
#include "p_setup.h"
#include "a_sharedglobal.h"
#include "g_level.h"
#include "p_effect.h"
#include "doomstat.h"
#include "r_state.h"
#include "v_palette.h"
#include "r_sky.h"
#include "po_man.h"
#include "r_data/colormaps.h"
#include "r_renderthread.h"
#include "swrenderer/things/r_visiblespritelist.h"
#include "swrenderer/scene/r_portal.h"
#include "swrenderer/scene/r_opaque_pass.h"
#include "swrenderer/scene/r_translucent_pass.h"
#include "swrenderer/scene/r_3dfloors.h"
#include "swrenderer/scene/r_scene.h"
#include "swrenderer/things/r_playersprite.h"
#include "swrenderer/plane/r_visibleplanelist.h"
#include "swrenderer/segments/r_drawsegment.h"
#include "swrenderer/segments/r_clipsegment.h"
#include "r_thread.h"
#include "swrenderer/drawers/r_draw.h"
#include "swrenderer/drawers/r_draw_rgba.h"
#include "swrenderer/drawers/r_draw_pal.h"
#include "swrenderer/viewport/r_viewport.h"
#include "r_memory.h"
namespace swrenderer
{
RenderThread::RenderThread(RenderScene *scene, bool mainThread)
{
Scene = scene;
MainThread = mainThread;
FrameMemory.reset(new RenderMemory());
Viewport.reset(new RenderViewport());
Light.reset(new LightVisibility());
DrawQueue.reset(new DrawerCommandQueue(FrameMemory.get()));
OpaquePass.reset(new RenderOpaquePass(this));
TranslucentPass.reset(new RenderTranslucentPass(this));
SpriteList.reset(new VisibleSpriteList());
Portal.reset(new RenderPortal(this));
Clip3D.reset(new Clip3DFloors(this));
PlayerSprites.reset(new RenderPlayerSprites(this));
PlaneList.reset(new VisiblePlaneList(this));
DrawSegments.reset(new DrawSegmentList(this));
ClipSegments.reset(new RenderClipSegment());
tc_drawers.reset(new SWTruecolorDrawers(DrawQueue));
pal_drawers.reset(new SWPalDrawers(DrawQueue));
}
RenderThread::~RenderThread()
{
}
SWPixelFormatDrawers *RenderThread::Drawers(RenderViewport *viewport)
{
if (viewport->RenderTarget->IsBgra())
return tc_drawers.get();
else
return pal_drawers.get();
}
static std::mutex loadmutex;
void RenderThread::PrepareTexture(FSoftwareTexture *texture, FRenderStyle style) {
if (texture == nullptr)
return;
// Textures may not have loaded/refreshed yet. The shared code doing
// this is not thread safe. By calling GetPixels in a mutex lock we
// make sure that only one thread is loading a texture at any given
// time.
//
// It is critical that this function is called before any direct
// calls to GetPixels for this to work.
std::unique_lock<std::mutex> lock(loadmutex);
const FSoftwareTextureSpan *spans;
if (Viewport->RenderTarget->IsBgra())
{
texture->GetPixelsBgra();
texture->GetColumnBgra(0, &spans);
}
else
{
bool alpha = !!(style.Flags & STYLEF_RedIsAlpha);
texture->GetPixels(alpha);
texture->GetColumn(alpha, 0, &spans);
}
}
static std::mutex polyobjmutex;
void RenderThread::PreparePolyObject(subsector_t *sub)
{
std::unique_lock<std::mutex> lock(polyobjmutex);
if (sub->BSP == nullptr || sub->BSP->bDirty)
{
sub->BuildPolyBSP();
}
}
}