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[Media3][Shader] Reset the composite RGB matrix upon update

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Since the composite matrix is ultimately rewritten to, we need to ensure it's cleared (to identity) before update.

Test plan: use an effect as a time based approach and see that the effect no longer clips

PiperOrigin-RevId: 518886623
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Googler 2023-03-23 16:47:25 +00:00 committed by Tianyi Feng
parent 69cece1d82
commit 67f8fbf3bd
1 changed files with 2 additions and 0 deletions
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libraries/effect/src/main/java/androidx/media3/effect/DefaultShaderProgram.java
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@ -537,6 +537,8 @@ import java.util.List;
return; return;
} }
GlUtil.setToIdentity(compositeRgbMatrixArray);
for (int i = 0; i < rgbMatrices.size(); i++) { for (int i = 0; i < rgbMatrices.size(); i++) {
Matrix.multiplyMM( Matrix.multiplyMM(
/* result= */ tempResultMatrix, /* result= */ tempResultMatrix,