6267c73c4c
Call to SDLHelper::Prepare() is needed before first SDL_InitSubSystem(). - Sets hints (SDL configuration vars). - Configures logging.
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2020 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/helper/sdl/sdl_helper.h"
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#include "xenia/base/assert.h"
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#include "xenia/base/logging.h"
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namespace xe {
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namespace helper {
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namespace sdl {
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bool SDLHelper::is_prepared_ = false;
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bool SDLHelper::Prepare() {
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if (is_prepared_) {
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return true;
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}
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is_prepared_ = true;
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is_prepared_ &= SetHints();
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is_prepared_ &= RedirectLog();
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return is_prepared_;
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}
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bool SDLHelper::SetHints() {
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bool suc = true;
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// SDL calls timeBeginPeriod(1) but xenia sets this to a lower value before
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// using NtSetTimerResolution(). Having that value overwritten causes overall
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// fps drops. Use override priority as timer resolution should always be
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// managed by xenia. https://bugzilla.libsdl.org/show_bug.cgi?id=5104
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suc &= SDL_SetHintWithPriority(SDL_HINT_TIMER_RESOLUTION, "0",
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SDL_HINT_OVERRIDE) == SDL_TRUE;
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return suc;
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}
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bool SDLHelper::RedirectLog() {
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// Redirect SDL_Log* output (internal library stuff) to our log system.
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SDL_LogSetOutputFunction(
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[](void* userdata, int category, SDL_LogPriority priority,
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const char* message) {
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const char* msg_fmt = "SDL: {}";
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switch (priority) {
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case SDL_LOG_PRIORITY_VERBOSE:
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case SDL_LOG_PRIORITY_DEBUG:
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XELOGD(msg_fmt, message);
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break;
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case SDL_LOG_PRIORITY_INFO:
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XELOGI(msg_fmt, message);
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break;
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case SDL_LOG_PRIORITY_WARN:
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XELOGW(msg_fmt, message);
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break;
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case SDL_LOG_PRIORITY_ERROR:
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case SDL_LOG_PRIORITY_CRITICAL:
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XELOGE(msg_fmt, message);
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break;
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default:
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XELOGI(msg_fmt, message);
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assert_always("SDL: Unknown log priority");
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break;
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}
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},
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nullptr);
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// SDL itself isn't that talkative. Additionally to this settings there are
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// hints that can be switched on to output additional internal logging
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// information.
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SDL_LogSetAllPriority(SDL_LogPriority::SDL_LOG_PRIORITY_VERBOSE);
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return true;
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}
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} // namespace sdl
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} // namespace helper
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} // namespace xe
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