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Merge pull request #4976 from comex/poll-events

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Overhaul EmuWindow::PollEvents to fix yuzu-cmd calling SDL_PollEvents off main thread
This commit is contained in:
Rodrigo Locatti 2020-11-25 20:44:53 -03:00 committed by GitHub
commit 0e15c68f54
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GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 68 additions and 73 deletions
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4
src/core/frontend/emu_window.h
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@ -102,8 +102,8 @@ public:
float render_surface_scale = 1.0f;
};
/// Polls window events
virtual void PollEvents() = 0;
/// Called from GPU thread when a frame is displayed.
virtual void OnFrameDisplayed() {}
/**
* Returns a GraphicsContext that the frontend provides to be used for rendering.

2
src/video_core/renderer_opengl/renderer_opengl.cpp
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@ -151,8 +151,8 @@ void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
rasterizer->TickFrame();
render_window.PollEvents();
context->SwapBuffers();
render_window.OnFrameDisplayed();
}
void RendererOpenGL::PrepareRendertarget(const Tegra::FramebufferConfig* framebuffer) {

4
src/video_core/renderer_vulkan/renderer_vulkan.cpp
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@ -252,8 +252,6 @@ RendererVulkan::~RendererVulkan() {
}
void RendererVulkan::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
render_window.PollEvents();
if (!framebuffer) {
return;
}
@ -283,7 +281,7 @@ void RendererVulkan::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
rasterizer->TickFrame();
}
render_window.PollEvents();
render_window.OnFrameDisplayed();
}
bool RendererVulkan::Init() {

2
src/yuzu/bootmanager.cpp
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@ -314,7 +314,7 @@ GRenderWindow::~GRenderWindow() {
input_subsystem->Shutdown();
}
void GRenderWindow::PollEvents() {
void GRenderWindow::OnFrameDisplayed() {
if (!first_frame) {
first_frame = true;
emit FirstFrameDisplayed();

2
src/yuzu/bootmanager.h
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@ -131,7 +131,7 @@ public:
~GRenderWindow() override;
// EmuWindow implementation.
void PollEvents() override;
void OnFrameDisplayed() override;
bool IsShown() const override;
std::unique_ptr<Core::Frontend::GraphicsContext> CreateSharedContext() const override;

100
src/yuzu_cmd/emu_window/emu_window_sdl2.cpp
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@ -121,62 +121,64 @@ void EmuWindow_SDL2::Fullscreen() {
SDL_MaximizeWindow(render_window);
}
void EmuWindow_SDL2::PollEvents() {
void EmuWindow_SDL2::WaitEvent() {
// Called on main thread
SDL_Event event;
// SDL_PollEvent returns 0 when there are no more events in the event queue
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_SIZE_CHANGED:
case SDL_WINDOWEVENT_RESIZED:
case SDL_WINDOWEVENT_MAXIMIZED:
case SDL_WINDOWEVENT_RESTORED:
OnResize();
break;
case SDL_WINDOWEVENT_MINIMIZED:
case SDL_WINDOWEVENT_EXPOSED:
is_shown = event.window.event == SDL_WINDOWEVENT_EXPOSED;
OnResize();
break;
case SDL_WINDOWEVENT_CLOSE:
is_open = false;
break;
}
if (!SDL_WaitEvent(&event)) {
LOG_CRITICAL(Frontend, "SDL_WaitEvent failed: {}", SDL_GetError());
exit(1);
}
switch (event.type) {
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_SIZE_CHANGED:
case SDL_WINDOWEVENT_RESIZED:
case SDL_WINDOWEVENT_MAXIMIZED:
case SDL_WINDOWEVENT_RESTORED:
OnResize();
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
OnKeyEvent(static_cast<int>(event.key.keysym.scancode), event.key.state);
case SDL_WINDOWEVENT_MINIMIZED:
case SDL_WINDOWEVENT_EXPOSED:
is_shown = event.window.event == SDL_WINDOWEVENT_EXPOSED;
OnResize();
break;
case SDL_MOUSEMOTION:
// ignore if it came from touch
if (event.button.which != SDL_TOUCH_MOUSEID)
OnMouseMotion(event.motion.x, event.motion.y);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
// ignore if it came from touch
if (event.button.which != SDL_TOUCH_MOUSEID) {
OnMouseButton(event.button.button, event.button.state, event.button.x,
event.button.y);
}
break;
case SDL_FINGERDOWN:
OnFingerDown(event.tfinger.x, event.tfinger.y);
break;
case SDL_FINGERMOTION:
OnFingerMotion(event.tfinger.x, event.tfinger.y);
break;
case SDL_FINGERUP:
OnFingerUp();
break;
case SDL_QUIT:
case SDL_WINDOWEVENT_CLOSE:
is_open = false;
break;
default:
break;
}
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
OnKeyEvent(static_cast<int>(event.key.keysym.scancode), event.key.state);
break;
case SDL_MOUSEMOTION:
// ignore if it came from touch
if (event.button.which != SDL_TOUCH_MOUSEID)
OnMouseMotion(event.motion.x, event.motion.y);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
// ignore if it came from touch
if (event.button.which != SDL_TOUCH_MOUSEID) {
OnMouseButton(event.button.button, event.button.state, event.button.x, event.button.y);
}
break;
case SDL_FINGERDOWN:
OnFingerDown(event.tfinger.x, event.tfinger.y);
break;
case SDL_FINGERMOTION:
OnFingerMotion(event.tfinger.x, event.tfinger.y);
break;
case SDL_FINGERUP:
OnFingerUp();
break;
case SDL_QUIT:
is_open = false;
break;
default:
break;
}
const u32 current_time = SDL_GetTicks();

20
src/yuzu_cmd/emu_window/emu_window_sdl2.h
View File

@ -23,38 +23,38 @@ public:
explicit EmuWindow_SDL2(InputCommon::InputSubsystem* input_subsystem);
~EmuWindow_SDL2();
/// Polls window events
void PollEvents() override;
/// Whether the window is still open, and a close request hasn't yet been sent
bool IsOpen() const;
/// Returns if window is shown (not minimized)
bool IsShown() const override;
/// Wait for the next event on the main thread.
void WaitEvent();
protected:
/// Called by PollEvents when a key is pressed or released.
/// Called by WaitEvent when a key is pressed or released.
void OnKeyEvent(int key, u8 state);
/// Called by PollEvents when the mouse moves.
/// Called by WaitEvent when the mouse moves.
void OnMouseMotion(s32 x, s32 y);
/// Called by PollEvents when a mouse button is pressed or released
/// Called by WaitEvent when a mouse button is pressed or released
void OnMouseButton(u32 button, u8 state, s32 x, s32 y);
/// Translates pixel position (0..1) to pixel positions
std::pair<unsigned, unsigned> TouchToPixelPos(float touch_x, float touch_y) const;
/// Called by PollEvents when a finger starts touching the touchscreen
/// Called by WaitEvent when a finger starts touching the touchscreen
void OnFingerDown(float x, float y);
/// Called by PollEvents when a finger moves while touching the touchscreen
/// Called by WaitEvent when a finger moves while touching the touchscreen
void OnFingerMotion(float x, float y);
/// Called by PollEvents when a finger stops touching the touchscreen
/// Called by WaitEvent when a finger stops touching the touchscreen
void OnFingerUp();
/// Called by PollEvents when any event that may cause the window to be resized occurs
/// Called by WaitEvent when any event that may cause the window to be resized occurs
void OnResize();
/// Called when user passes the fullscreen parameter flag

2
src/yuzu_cmd/yuzu.cpp
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@ -242,7 +242,7 @@ int main(int argc, char** argv) {
void(system.Run());
while (emu_window->IsOpen()) {
std::this_thread::sleep_for(std::chrono::milliseconds(1));
emu_window->WaitEvent();
}
void(system.Pause());
system.Shutdown();

2
src/yuzu_tester/emu_window/emu_window_sdl2_hide.cpp
View File

@ -109,8 +109,6 @@ EmuWindow_SDL2_Hide::~EmuWindow_SDL2_Hide() {
SDL_Quit();
}
void EmuWindow_SDL2_Hide::PollEvents() {}
bool EmuWindow_SDL2_Hide::IsShown() const {
return false;
}

3
src/yuzu_tester/emu_window/emu_window_sdl2_hide.h
View File

@ -17,9 +17,6 @@ public:
explicit EmuWindow_SDL2_Hide();
~EmuWindow_SDL2_Hide();
/// Polls window events
void PollEvents() override;
/// Whether the screen is being shown or not.
bool IsShown() const override;