通过 Android Gradle Plugin Transform 为所有 Android OpenGL API 调用自动织入字节码，实现：
- 打印所有 GL 调用的函数名及传入参数
- 所有 GL 调用后都织入 glGetError 检测，让错误提前抛出，精确定位问题
logcat 输出：
android.opengl.GLES30#glBindVertexArray(0))
android.opengl.GLES20#glEnable(3089))
android.opengl.GLES20#glUseProgram(48))
android.opengl.GLES20#glUniformMatrix4fv(0, 1, false, [F@ecbe7f6, 0))
android.opengl.GLES20#glActiveTexture(33985))
android.opengl.GLES20#glBindTexture(3553, 26))
android.opengl.GLES20#glTexParameterf(3553, 10241, 9729.0))
android.opengl.GLES20#glTexParameterf(3553, 10240, 9729.0))
android.opengl.GLES20#glTexParameterf(3553, 10242, 10497.0))
android.opengl.GLES20#glTexParameterf(3553, 10243, 10497.0))
android.opengl.GLES20#glUniform1i(7, 1))
android.opengl.GLES20#glUniformMatrix3fv(1, 1, false, [F@5598d4d, 0))
android.opengl.GLES20#glUniform1i(4, 0))
android.opengl.GLES20#glUniform1f(2, 1.0))
android.opengl.GLES20#glUniform1f(5, 1.0))
android.opengl.GLES20#glUniform4f(3, 1.0, 1.0, 1.0, 0.0))
android.opengl.GLES30#glBindVertexArray(4))
android.opengl.GLES20#glBindBuffer(34963, 10))
android.opengl.GLES20#glDrawElements(4, 6, 5123, 0))
gl error 堆栈输出：
2022-10-11 15:07:51.264 19026-19970/? E/GLInspector: glError: GL_INVALID_FRAMEBUFFER_OPERATION
java.lang.Exception
at com.flyme.renderfilter.glInspector.GLInspector.assertNoErrors(GLInspector.java:69)
at com.flyme.renderfilter.glInspector.GLInspector.logAndCheck(GLInspector.java:42)
at com.flyme.renderfilter.filter.KawaseBlurFilter.downscaling(KawaseBlurFilter.java:110)
at com.flyme.renderfilter.filter.KawaseBlurFilter.filterInput(KawaseBlurFilter.java:161)
at com.flyme.renderfilter.filter.Filter.fire(Filter.java:16)
at com.flyme.renderfilter.pipeline.FilterPipeline.process(FilterPipeline.java:77)
at com.flyme.renderfilter.drawable.RenderFilterDrawable$RenderFilterState$1.onDraw(RenderFilterDrawable.java:140)
at com.flyme.renderfilter.functor.Functor$TraceFunctorCallback.onDraw(Functor.java:149)
at com.flyme.renderfilter.functor.Functor.lambda$onDraw$0(Functor.java:71)
at com.flyme.renderfilter.functor.-$$Lambda$Functor$tyH4HulT9foRE0UNWl-K5SN3on4.accept(Unknown Source:4)
at com.flyme.renderfilter.functor.Functor.dispatchEvent(Functor.java:106)
at com.flyme.renderfilter.functor.Functor.onDraw(Functor.java:71)
在 build.gradle 文件中添加依赖并应用插件
buildscript {
dependencies {
// 添加依赖
classpath 'site.hanschen:glinspector:1.0.4'
}
}
// 应用插件
apply plugin: 'site.hanschen.glinspector'
// 配置插件
glInspector {
// 织入字节码是否开启，默认为 false 不会对原代码做任何修改
enable true
// 配置 GLInspector 的包名，GLInspector 的作用下面会说明
packageName "com.flyme.renderfilter.glInspector"
}使用 GLInspector 后，插件会自动插入字节码，如源代码:
...
GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
...织入后代码：
...
GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
// AUTO GENERATE CODE BY GLInspector
GLInspector.logAndCheck("android/opengl/GLES20", "glClearColor", Float.valueOf(0.0f), Float.valueOf(0.0f), Float.valueOf(0.0f), Float.valueOf(1.0f));
...由于频繁打印会影响性能，glGetError 检测到错误后会主动抛出异常影响崩溃率，所以提供以下两个开关进行控制。其中 GLInspector 是自动生成的类，包名为 glInspector 中配置的包名
GLInspector.setEnableLogcat(enableLogcat);
GLInspector.setEnableErrorCheck(enableErrorCheck);Apache 2.0. See the LICENSE file for details.
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