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Moved the viewpoint setup code in RenderViewpoint to R_SetupFrame

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This commit is contained in:
Christoph Oelckers 2018-06-20 10:47:03 +02:00
parent 9bdb5f1a5d
commit 2060402671
2 changed files with 30 additions and 28 deletions
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31
src/gl/scene/gl_scene.cpp
View file

@ -508,7 +508,6 @@ void GLSceneDrawer::ProcessScene(FDrawInfo *di, bool toscreen)
sector_t * GLSceneDrawer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * camera, IntRect * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen) sector_t * GLSceneDrawer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * camera, IntRect * bounds, float fov, float ratio, float fovratio, bool mainview, bool toscreen)
{ {
sector_t * lviewsector;
GLRenderer->mSceneClearColor[0] = 0.0f; GLRenderer->mSceneClearColor[0] = 0.0f;
GLRenderer->mSceneClearColor[1] = 0.0f; GLRenderer->mSceneClearColor[1] = 0.0f;
GLRenderer->mSceneClearColor[2] = 0.0f; GLRenderer->mSceneClearColor[2] = 0.0f;
@ -516,29 +515,7 @@ sector_t * GLSceneDrawer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * ca
GLRenderer->mGlobVis = R_GetGlobVis(r_viewwindow, r_visibility); GLRenderer->mGlobVis = R_GetGlobVis(r_viewwindow, r_visibility);
// We have to scale the pitch to account for the pixel stretching, because the playsim doesn't know about this and treats it as 1:1. // Render (potentially) multiple views for stereo 3d
double radPitch = mainvp.Angles.Pitch.Normalized180().Radians();
double angx = cos(radPitch);
double angy = sin(radPitch) * level.info->pixelstretch;
double alen = sqrt(angx*angx + angy*angy);
mainvp.HWAngles.Pitch = (float)RAD2DEG(asin(angy / alen));
mainvp.HWAngles.Roll.Degrees = mainvp.Angles.Roll.Degrees;
if (camera->player && camera->player - players == consoleplayer &&
((camera->player->cheats & CF_CHASECAM) || (r_deathcamera && camera->health <= 0)) && camera == camera->player->mo)
{
mainvp.ViewActor = nullptr;
}
else
{
mainvp.ViewActor = camera;
}
// 'viewsector' will not survive the rendering so it cannot be used anymore below.
lviewsector = mainvp.sector;
// Render (potentially) multiple views for stereo 3d
float viewShift[3]; float viewShift[3];
const s3d::Stereo3DMode& stereo3dMode = mainview && toscreen? s3d::Stereo3DMode::getCurrentMode() : s3d::Stereo3DMode::getMonoMode(); const s3d::Stereo3DMode& stereo3dMode = mainview && toscreen? s3d::Stereo3DMode::getCurrentMode() : s3d::Stereo3DMode::getMonoMode();
stereo3dMode.SetUp(); stereo3dMode.SetUp();
@ -570,8 +547,8 @@ sector_t * GLSceneDrawer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * ca
if (mainview) if (mainview)
{ {
if (toscreen) EndDrawScene(di, lviewsector); // do not call this for camera textures. if (toscreen) EndDrawScene(di, mainvp.sector); // do not call this for camera textures.
GLRenderer->PostProcessScene(cm, [&]() { DrawEndScene2D(di, lviewsector); }); GLRenderer->PostProcessScene(cm, [&]() { DrawEndScene2D(di, mainvp.sector); });
// This should be done after postprocessing, not before. // This should be done after postprocessing, not before.
GLRenderer->mBuffers->BindCurrentFB(); GLRenderer->mBuffers->BindCurrentFB();
@ -593,7 +570,7 @@ sector_t * GLSceneDrawer::RenderViewpoint (FRenderViewpoint &mainvp, AActor * ca
stereo3dMode.TearDown(); stereo3dMode.TearDown();
interpolator.RestoreInterpolations (); interpolator.RestoreInterpolations ();
return lviewsector; return mainvp.sector;
} }
//=========================================================================== //===========================================================================

25
src/r_utility.cpp
View file

@ -1016,6 +1016,31 @@ void R_SetupFrame (FRenderViewpoint &viewpoint, FViewWindow &viewwindow, AActor
screen->SetClearColor(color); screen->SetClearColor(color);
SWRenderer->SetClearColor(color); SWRenderer->SetClearColor(color);
} }
// And finally some info that is needed for the hardware renderer
// Scale the pitch to account for the pixel stretching, because the playsim doesn't know about this and treats it as 1:1.
// However, to set up a projection matrix this needs to be adjusted.
double radPitch = viewpoint.Angles.Pitch.Normalized180().Radians();
double angx = cos(radPitch);
double angy = sin(radPitch) * level.info->pixelstretch;
double alen = sqrt(angx*angx + angy*angy);
viewpoint.HWAngles.Pitch = (float)RAD2DEG(asin(angy / alen));
viewpoint.HWAngles.Roll.Degrees = viewpoint.Angles.Roll.Degrees; // copied for convenience.
// ViewActor only gets set, if the camera actor should not be rendered
if (actor->player && actor->player - players == consoleplayer &&
((actor->player->cheats & CF_CHASECAM) || (r_deathcamera && actor->health <= 0)) && actor == actor->player->mo)
{
viewpoint.ViewActor = nullptr;
}
else
{
viewpoint.ViewActor = actor;
}
} }