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GL: Move fallback to glFinish to GlUtil.

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This may happen, for example, on older OpenGL versions.

This may be used in the compositor too.

PiperOrigin-RevId: 544613566
This commit is contained in:
huangdarwin 2023-06-30 10:50:10 +00:00 committed by microkatz
parent 9513f2c551
commit a875fa72a8
2 changed files with 14 additions and 14 deletions
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20
libraries/common/src/main/java/androidx/media3/common/util/GlUtil.java
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@ -374,7 +374,8 @@ public final class GlUtil {
/**
* Returns a newly created sync object and inserts it into the GL command stream.
*
* <p>Returns 0 if the operation failed or the {@link EGLContext} version is less than 3.0.
* <p>Returns {@code 0} if the operation failed or the {@link EGLContext} version is less than
* 3.0.
*/
public static long createGlSyncFence() throws GlException {
int[] currentEglContextVersion = new int[1];
@ -404,13 +405,18 @@ public final class GlUtil {
}
/**
* Ensures that the following commands on the current OpenGL context will not be executed until
* the sync point has been reached. This does not block the CPU, and only affects the current
* OpenGL context.
* Ensures that following commands on the current OpenGL context will not be executed until the
* sync point has been reached. If {@code syncObject} equals {@code 0}, this does not block the
* CPU, and only affects the current OpenGL context. Otherwise, this will block the CPU.
*/
public static void waitOnGpu(long syncObject) throws GlException {
GLES30.glWaitSync(syncObject, /* flags= */ 0, GLES30.GL_TIMEOUT_IGNORED);
checkGlError();
public static void awaitSyncObject(long syncObject) throws GlException {
if (syncObject == 0) {
// Fallback to using glFinish for synchronization when fence creation failed.
GLES20.glFinish();
} else {
GLES30.glWaitSync(syncObject, /* flags= */ 0, GLES30.GL_TIMEOUT_IGNORED);
checkGlError();
}
}
/** Gets the current {@link EGLContext context}. */

8
libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/DefaultVideoFrameProcessorTextureOutputPixelTest.java
View File

@ -32,7 +32,6 @@ import static com.google.common.truth.Truth.assertThat;
import android.content.Context;
import android.graphics.Bitmap;
import android.opengl.GLES20;
import androidx.media3.common.ColorInfo;
import androidx.media3.common.Effect;
import androidx.media3.common.Format;
@ -554,12 +553,7 @@ public final class DefaultVideoFrameProcessorTextureOutputPixelTest {
.setInputType(VideoFrameProcessor.INPUT_TYPE_TEXTURE_ID)
.setEffects(effects)
.build();
if (syncObject == GL_FENCE_SYNC_FAILED) {
// Fallback to using glFinish for synchronization when fence creation failed.
GLES20.glFinish();
} else {
GlUtil.waitOnGpu(syncObject);
}
GlUtil.awaitSyncObject(syncObject);
videoFrameProcessorTestRunner.queueInputTexture(texture, presentationTimeUs);
try {
videoFrameProcessorTestRunner.endFrameProcessing(VIDEO_FRAME_PROCESSING_WAIT_MS / 2);