diff --git a/src/game/g_window.pas b/src/game/g_window.pas
index 6ffa8ff05468b132ff35b3eaa2e8b4b988979a7e..6dfa778096ff33f616b553c00539c81b542227fd 100644 (file)
--- a/src/game/g_window.pas
+++ b/src/game/g_window.pas
var
gwin_dump_extensions: Boolean = false;
+ gwin_has_stencil: Boolean = false;
implementation
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
+ SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1); // lights; it is enough to have 1-bit stencil buffer for lighting
SDL_GL_SetSwapInterval(v);
end;
end;
function SDLMain(): Integer;
+var
+ idx: Integer;
+ ltmp: Integer;
begin
{$IFDEF HEADLESS}
e_NoGraphics := True;
{EnumDisplayModes();}
+ for idx := 1 to ParamCount do
+ begin
+ if ParamStr(idx) = '--opengl-dump-exts' then gwin_dump_extensions := true;
+ end;
+
+ SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, @ltmp);
+ e_WriteLog(Format('stencil buffer size: %d', [ltmp]), MSG_WARNING);
+
+ gwin_has_stencil := (ltmp > 0);
+
if not glHasExtension('GL_ARB_texture_non_power_of_two') then
begin
e_WriteLog('Driver DID''T advertised NPOT textures support', MSG_WARNING);
e_WriteLog('Driver advertised NPOT textures support', MSG_NOTIFY);
glLegacyNPOT := false;
end;
+ gwin_dump_extensions := false;
Init();
Time_Old := GetTimer();