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Plumb the ability to disable V-sync through the video renderers

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This commit is contained in:
Cameron Gutman
2018-08-20 18:19:42 -07:00
parent 6b395c816f
commit f7d3c10c9d
18 changed files with 90 additions and 49 deletions
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app/streaming/video/ffmpeg-renderers/dxva2.cpp
+14 -5
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@@ -428,7 +428,7 @@ bool DXVA2Renderer::isDecoderBlacklisted()
return result;
}
bool DXVA2Renderer::initializeDevice(SDL_Window* window)
bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
{
SDL_SysWMinfo info;
@@ -487,13 +487,22 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window)
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed mode with DWM running");
}
else {
// Uncomposited desktop or full-screen exclusive mode
else if (enableVsync) {
// Uncomposited desktop or full-screen exclusive mode with V-sync enabled
// We will enable V-sync in this scenario to avoid tearing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"V-Sync enabled");
}
else {
// Uncomposited desktop or full-screen exclusive mode with V-sync disabled
// We will allowing tearing for lowest latency.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"V-Sync disabled in tearing mode");
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed: %d | Present Interval: %x",
@@ -540,7 +549,7 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window)
return true;
}
bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, int height, int)
bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, int height, int, bool enableVsync)
{
m_VideoFormat = videoFormat;
m_VideoWidth = width;
@@ -569,7 +578,7 @@ bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, i
m_Desc.SampleFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
m_Desc.Format = (D3DFORMAT)MAKEFOURCC('N','V','1','2');
if (!initializeDevice(window)) {
if (!initializeDevice(window, enableVsync)) {
return false;
}