opus-tango/IntroductionToVulkan
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Modified rendering framework to support surface size of 0 width and 0 height (this can occur on Windows when window gets minimized). In such situation, swapchain is not created and rendering function is not called. Instead, rendering loop waits for 1/10 of a second.

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This commit is contained in:
plapins
2016-06-20 16:26:00 +02:00
parent 55b350815e
commit a4f78d3eed
4 changed files with 71 additions and 15 deletions
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47
Project/Common/OperatingSystem.cpp
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@@ -8,6 +8,8 @@
// Intel does not assume any responsibility for any errors which may appear in this software
// nor any responsibility to update it.
#include <thread>
#include <chrono>
#include "OperatingSystem.h"
namespace ApiWithoutSecrets {
@@ -94,6 +96,7 @@ namespace ApiWithoutSecrets {
MSG message;
bool loop = true;
bool resize = false;
bool result = true;
while( loop ) {
if( PeekMessage( &message, NULL, 0, 0, PM_REMOVE ) ) {
@@ -115,16 +118,22 @@ namespace ApiWithoutSecrets {
if( resize ) {
resize = false;
if( !tutorial.OnWindowSizeChanged() ) {
loop = false;
result = false;
break;
}
}
if( !tutorial.Draw() ) {
loop = false;
if( tutorial.ReadyToDraw() ) {
if( !tutorial.Draw() ) {
result = false;
break;
}
} else {
std::this_thread::sleep_for( std::chrono::milliseconds( 100 ) );
}
}
}
return true;
return result;
}
#elif defined(VK_USE_PLATFORM_XCB_KHR)
@@ -203,6 +212,7 @@ namespace ApiWithoutSecrets {
xcb_generic_event_t *event;
bool loop = true;
bool resize = false;
bool result = true;
while( loop ) {
event = xcb_poll_for_event( Parameters.Connection );
@@ -241,16 +251,22 @@ namespace ApiWithoutSecrets {
if( resize ) {
resize = false;
if( !tutorial.OnWindowSizeChanged() ) {
loop = false;
result = false;
break;
}
}
if( !tutorial.Draw() ) {
loop = false;
if( tutorial.ReadyToDraw() ) {
if( !tutorial.Draw() ) {
result = false;
break;
}
} else {
std::this_thread::sleep_for( std::chrono::milliseconds( 100 ) );
}
}
}
return true;
return result;
}
#elif defined(VK_USE_PLATFORM_XLIB_KHR)
@@ -299,6 +315,7 @@ namespace ApiWithoutSecrets {
XEvent event;
bool loop = true;
bool resize = false;
bool result = true;
while( loop ) {
if( XPending( Parameters.DisplayPtr ) ) {
@@ -334,16 +351,22 @@ namespace ApiWithoutSecrets {
if( resize ) {
resize = false;
if( !tutorial.OnWindowSizeChanged() ) {
loop = false;
result = false;
break;
}
}
if( !tutorial.Draw() ) {
loop = false;
if( tutorial.ReadyToDraw() ) {
if( !tutorial.Draw() ) {
result = false;
break;
}
} else {
std::this_thread::sleep_for( std::chrono::milliseconds( 100 ) );
}
}
}
return true;
return result;
}
#endif