gzdoom-gles/src/swrenderer/r_renderthread.cpp
Christoph Oelckers 91a8f5cd04 Merge remote-tracking branch 'remotes/origin/master' into Texture_Cleanup
# Conflicts:
#	src/polyrenderer/poly_renderthread.cpp
#	src/swrenderer/r_renderthread.cpp
2018-12-10 18:47:21 +01:00

131 lines
4.1 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 "i_system.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 "swrenderer/drawers/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();
}
}
}