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Add an option to disable explicit CPU sync for ExternalTextureRenderer

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PiperOrigin-RevId: 539166965
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MediaPipe Team 2023-06-09 13:40:14 -07:00 committed by Copybara-Service
parent 67c5d8d224
commit 53f0736bf0
1 changed files with 14 additions and 2 deletions
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12
mediapipe/java/com/google/mediapipe/glutil/ExternalTextureRenderer.java
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@ -67,6 +67,7 @@ public class ExternalTextureRenderer {
private float[] textureTransformMatrix = new float[16]; private float[] textureTransformMatrix = new float[16];
private boolean flipY; private boolean flipY;
private int rotation = Surface.ROTATION_0; private int rotation = Surface.ROTATION_0;
private boolean doExplicitCpuSync = true;
/** Call this to setup the shader program before rendering. */ /** Call this to setup the shader program before rendering. */
public void setup() { public void setup() {
@ -101,6 +102,14 @@ public class ExternalTextureRenderer {
this.rotation = rotation; this.rotation = rotation;
} }
/**
* Configures whether the renderer should do an explicit CPU synchronization using glFinish upon
* each {@link #render} call. Defaults to true.
*/
public void setDoExplicitCpuSync(boolean doExplicitCpuSync) {
this.doExplicitCpuSync = doExplicitCpuSync;
}
/** /**
* Renders the surfaceTexture to the framebuffer with optional vertical flip. * Renders the surfaceTexture to the framebuffer with optional vertical flip.
* *
@ -150,9 +159,12 @@ public class ExternalTextureRenderer {
GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, 0); GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, 0);
ShaderUtil.checkGlError("glBindTexture"); ShaderUtil.checkGlError("glBindTexture");
if (doExplicitCpuSync) {
// TODO: add sync and go back to glFlush() // TODO: add sync and go back to glFlush()
GLES20.glFinish(); GLES20.glFinish();
} }
}
/** /**
* Call this to delete the shader program. * Call this to delete the shader program.