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Fix error messages on multiple Frambuffer:grab()/stop()

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This commit is contained in:
vrld
2010-08-25 17:38:06 +02:00
parent f97d087158
commit 98feae1950
1 changed files with 11 additions and 7 deletions
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src/modules/graphics/opengl/wrap_Framebuffer.cpp
+11 -7
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@@ -18,15 +18,17 @@ namespace opengl
return luaL_error(L, "Need a function to render to fbo");
// prevent nesting
if (!fbo->grab())
return luaL_error(L, "Cannot grab screen. May be caused by nesting or forgetting to stop()");
if (!fbo->grab()) {
fbo->stop(); // stop grabbing so errormessage is shown
return luaL_error(L, "Framebuffer:grab(): Cannot grab screen. Be sure to match every Framebuffer:grab() with Framebuffer:stop().");
}
lua_settop(L, 2); // make sure the function is on top of the stack
lua_pcall(L, 0, 0, 0);
lua_call(L, 0, 0);
// fbo can be stopped in function.
if (!fbo->stop())
return luaL_error(L, "Grabbing already stopped.");
return luaL_error(L, "Framebuffer:render(): Screengrabbing already stopped.");
return 0;
}
@@ -35,8 +37,10 @@ namespace opengl
{
Framebuffer * fbo = luax_checkfbo(L, 1);
// prevent nesting
if (!fbo->grab())
return luaL_error(L, "Cannot grab screen. May be caused by nesting or forgetting to stop()");
if (!fbo->grab()) {
fbo->stop(); // stop grabbing so errormessage is shown
return luaL_error(L, "Framebuffer:grab(): Cannot grab screen. Be sure to match every Framebuffer:grab() with Framebuffer:stop().");
}
return 0;
}
@@ -44,7 +48,7 @@ namespace opengl
{
Framebuffer * fbo = luax_checkfbo(L, 1);
if (!fbo->stop())
return luaL_error(L, "Grabbing already stopped.");
return luaL_error(L, "Framebuffer:stop(): Screengrabbing already stopped.");
return 0;
}