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Add functionality to clear surface to a specific color in EglRenderer.

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BUG=b/31895311

Review-Url: https://codereview.webrtc.org/2857363002
Cr-Commit-Position: refs/heads/master@{#18013}
This commit is contained in:
sakal
2017-05-04 06:06:56 -07:00
committed by Commit bot
parent 18ad1d4008
commit f25a22041c
1 changed files with 11 additions and 4 deletions
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15
webrtc/sdk/android/api/org/webrtc/EglRenderer.java
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@ -481,19 +481,26 @@ public class EglRenderer implements VideoRenderer.Callbacks {
}
}
private void clearSurfaceOnRenderThread() {
private void clearSurfaceOnRenderThread(float r, float g, float b, float a) {
if (eglBase != null && eglBase.hasSurface()) {
logD("clearSurface");
GLES20.glClearColor(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
GLES20.glClearColor(r, g, b, a);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
eglBase.swapBuffers();
}
}
/**
* Post a task to clear the TextureView to a transparent uniform color.
* Post a task to clear the surface to a transparent uniform color.
*/
public void clearImage() {
clearImage(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
}
/**
* Post a task to clear the surface to a specific color.
*/
public void clearImage(final float r, final float g, final float b, final float a) {
synchronized (handlerLock) {
if (renderThreadHandler == null) {
return;
@ -501,7 +508,7 @@ public class EglRenderer implements VideoRenderer.Callbacks {
renderThreadHandler.postAtFrontOfQueue(new Runnable() {
@Override
public void run() {
clearSurfaceOnRenderThread();
clearSurfaceOnRenderThread(r, g, b, a);
}
});
}