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Software: do not do 3d rendering while the game is paused

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- Let menus render at full framerate, without expensive
  3d rendering time cutting into it
- Opening the menu pauses the game offline, so this is
  perfect
- Software preserves the last frame if rendering stops
This commit is contained in:
James R 2024-03-26 06:16:20 -07:00
parent f442f933fc
commit e1e115743a
1 changed files with 29 additions and 3 deletions
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32
src/d_main.cpp
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@ -90,6 +90,7 @@
#include "k_bans.h"
#include "k_credits.h"
#include "r_debug.hpp"
#include "k_director.h"
#ifdef HWRENDER
#include "hardware/hw_main.h" // 3D View Rendering
@ -347,7 +348,7 @@ gamestate_t wipegamestate = GS_LEVEL;
INT16 wipetypepre = -1;
INT16 wipetypepost = -1;
static bool D_Display(void)
static bool D_Display(bool world)
{
bool ranwipe = false;
boolean forcerefresh = false;
@ -526,7 +527,7 @@ static bool D_Display(void)
// see if the border needs to be initially drawn
if (G_GamestateUsesLevel() == true)
{
if (!automapactive && !dedicated && cv_renderview.value)
if (!automapactive && !dedicated && cv_renderview.value && (world || forcerefresh))
{
R_ApplyLevelInterpolators(R_UsingFrameInterpolation() ? rendertimefrac : FRACUNIT);
@ -986,7 +987,32 @@ void D_SRB2Loop(void)
if (!renderisnewtic)
P_ResetInterpHudRandSeed(false);
ranwipe = D_Display();
bool world = true;
// TODO: skipping 3D rendering does not work in
// Legacy GL -- the screen gets filled with a
// single color.
// In software, the last frame is preserved,
// which is the intended effect.
if (rendermode == render_soft)
{
auto none_freecam = []
{
for (UINT8 i = 0; i <= r_splitscreen; ++i)
{
if (camera[i].freecam || (players[displayplayers[i]].spectator && !K_DirectorIsAvailable(i)))
return false;
}
return true;
};
// 3D rendering is stopped ENTIRELY if the game is paused.
// - In single player, opening the menu pauses the game, so it's perfect.
// - One exception: freecam is allowed to move when the game is paused.
if ((paused || P_AutoPause()) && none_freecam())
world = false;
}
ranwipe = D_Display(world);
}
#ifdef HWRENDER