void FGLRenderer::RenderView (player_t* player)
{
OpenGLFrameBuffer* GLTarget = static_cast<OpenGLFrameBuffer*>(screen);
AActor *&LastCamera = GLTarget->LastCamera;
checkBenchActive();
if (player->camera != LastCamera)
{
// If the camera changed don't interpolate
// Otherwise there will be some not so nice effects.
R_ResetViewInterpolation();
LastCamera=player->camera;
}
gl_RenderState.SetVertexBuffer(mVBO);
GLRenderer->mVBO->Reset();
// reset statistics counters
ResetProfilingData();
// Get this before everything else
if (cl_capfps || r_NoInterpolate) r_TicFracF = 1.;
else r_TicFracF = I_GetTimeFrac (&r_FrameTime);
gl_frameMS = I_MSTime();
P_FindParticleSubsectors ();
if (!gl.legacyMode) GLRenderer->mLights->Clear();
// NoInterpolateView should have no bearing on camera textures, but needs to be preserved for the main view below.
bool saved_niv = NoInterpolateView;
NoInterpolateView = false;
// prepare all camera textures that have been used in the last frame
FCanvasTextureInfo::UpdateAll();
NoInterpolateView = saved_niv;
// now render the main view
float fovratio;
float ratio = WidescreenRatio;
if (WidescreenRatio >= 1.3f)
{
fovratio = 1.333333f;
}
else
{
fovratio = ratio;
}
SetFixedColormap (player);
// Check if there's some lights. If not some code can be skipped.
TThinkerIterator<ADynamicLight> it(STAT_DLIGHT);
GLRenderer->mLightCount = ((it.Next()) != NULL);
sector_t * viewsector = RenderViewpoint(player->camera, NULL, FieldOfView.Degrees, ratio, fovratio, true, true);
All.Unclock();
}
sector_t *FGLRenderer::RenderView(player_t* player)
{
gl_RenderState.SetVertexBuffer(screen->mVertexData);
screen->mVertexData->Reset();
sector_t *retsec;
if (!V_IsHardwareRenderer())
{
if (swdrawer == nullptr) swdrawer = new SWSceneDrawer;
retsec = swdrawer->RenderView(player);
}
else
{
hw_ClearFakeFlat();
iter_dlightf = iter_dlight = draw_dlight = draw_dlightf = 0;
checkBenchActive();
// reset statistics counters
ResetProfilingData();
// Get this before everything else
if (cl_capfps || r_NoInterpolate) r_viewpoint.TicFrac = 1.;
else r_viewpoint.TicFrac = I_GetTimeFrac();
screen->mLights->Clear();
screen->mViewpoints->Clear();
// NoInterpolateView should have no bearing on camera textures, but needs to be preserved for the main view below.
bool saved_niv = NoInterpolateView;
NoInterpolateView = false;
// Shader start time does not need to be handled per level. Just use the one from the camera to render from.
gl_RenderState.CheckTimer(player->camera->Level->ShaderStartTime);
// prepare all camera textures that have been used in the last frame.
// This must be done for all levels, not just the primary one!
for (auto Level : AllLevels())
{
Level->canvasTextureInfo.UpdateAll([&](AActor *camera, FCanvasTexture *camtex, double fov)
{
RenderTextureView(camtex, camera, fov);
});
}
NoInterpolateView = saved_niv;
// now render the main view
float fovratio;
float ratio = r_viewwindow.WidescreenRatio;
if (r_viewwindow.WidescreenRatio >= 1.3f)
{
fovratio = 1.333333f;
}
else
{
fovratio = ratio;
}
retsec = RenderViewpoint(r_viewpoint, player->camera, NULL, r_viewpoint.FieldOfView.Degrees, ratio, fovratio, true, true);
}
All.Unclock();
return retsec;
}