Make AnnotationOverlayCalculator compatible with GLES2/WebGL1 by using GL_RGB as internal format instead of GL_RGB8 for the texture that OpenCV renders into.
PiperOrigin-RevId: 519933934
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@ -658,7 +658,7 @@ absl::Status AnnotationOverlayCalculator::GlSetup(CalculatorContext* cc) {
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glBindTexture(GL_TEXTURE_2D, image_mat_tex_);
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glBindTexture(GL_TEXTURE_2D, image_mat_tex_);
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// TODO
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// TODO
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// OpenCV only renders to RGB images, not RGBA. Ideally this should be RGBA.
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// OpenCV only renders to RGB images, not RGBA. Ideally this should be RGBA.
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB8, width_canvas_, height_canvas_, 0,
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width_canvas_, height_canvas_, 0,
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GL_RGB, GL_UNSIGNED_BYTE, nullptr);
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GL_RGB, GL_UNSIGNED_BYTE, nullptr);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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