Renderer: Handle resize events on-demand instead of polling

We now differentiate between a resize event and surface change/destroyed
event, reducing the overhead for resizes in the Vulkan backend. It is
also now now safe to change the surface multiple times if the video thread
is lagging behind.
This commit is contained in:
Stenzek
2018-01-26 16:23:24 +10:00
parent 5baf3bbe2e
commit de632fc9c8
19 changed files with 364 additions and 350 deletions

View File

@ -400,6 +400,21 @@ bool Renderer::IsHeadless() const
return !m_surface_handle;
}
void Renderer::ChangeSurface(void* new_surface_handle)
{
std::lock_guard<std::mutex> lock(m_swap_mutex);
m_new_surface_handle = new_surface_handle;
m_surface_changed.Set();
}
void Renderer::ResizeSurface(int new_width, int new_height)
{
std::lock_guard<std::mutex> lock(m_swap_mutex);
m_new_backbuffer_width = new_width;
m_new_backbuffer_height = new_height;
m_surface_resized.Set();
}
std::tuple<float, float> Renderer::ScaleToDisplayAspectRatio(const int width,
const int height) const
{
@ -651,7 +666,10 @@ void Renderer::Swap(u32 xfbAddr, u32 fbWidth, u32 fbStride, u32 fbHeight, const
m_last_xfb_region = xfb_rect;
// TODO: merge more generic parts into VideoCommon
g_renderer->SwapImpl(xfb_entry->texture.get(), xfb_rect, ticks, xfb_entry->gamma);
{
std::lock_guard<std::mutex> guard(m_swap_mutex);
g_renderer->SwapImpl(xfb_entry->texture.get(), xfb_rect, ticks, xfb_entry->gamma);
}
// Update the window size based on the frame that was just rendered.
// Due to depending on guest state, we need to call this every frame.