M src/platform/opengl/gles2.c → src/platform/opengl/gles2.c

@@ -192,14 +192,13 @@ if (v->lockIntegerScaling) {
 		drawW -= drawW % v->width;
 		drawH -= drawH % v->height;
 	}
-	glViewport(0, 0, w, h);
-	glClearColor(0.f, 0.f, 0.f, 1.f);
-	glClear(GL_COLOR_BUFFER_BIT);
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	glViewport((w - drawW) / 2, (h - drawH) / 2, drawW, drawH);
 }
 
 static void mGLES2ContextClear(struct VideoBackend* v) {
 	UNUSED(v);
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	glClearColor(0.f, 0.f, 0.f, 1.f);
 	glClear(GL_COLOR_BUFFER_BIT);
 }

M src/platform/qt/DisplayGL.cpp → src/platform/qt/DisplayGL.cpp

@@ -321,8 +321,6 @@ }
 
 void PainterGL::resize(const QSize& size) {
 	m_size = size;
-	float r = m_surface->devicePixelRatio();
-	m_backend->resized(m_backend, m_size.width() * r, m_size.height() * r);
 	if (m_started && !m_active) {
 		forceDraw();
 	}
@@ -419,6 +417,8 @@ }
 
 void PainterGL::performDraw() {
 	m_painter.beginNativePainting();
+	float r = m_surface->devicePixelRatio();
+	m_backend->resized(m_backend, m_size.width() * r, m_size.height() * r);
 	m_backend->drawFrame(m_backend);
 	m_painter.endNativePainting();
 	if (m_messagePainter) {