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Merge pull request #28 from DAGalpin/main
Added GLSLImageProcessor that (mostly) uses Kotlin to implement GL/ES Compute
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| * Copyright (C) 2023 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| #include <android/log.h> | ||
| #include <jni.h> | ||
| #include <GLES3/gl32.h> | ||
| #include <EGL/egl.h> | ||
|
|
||
| // our JNICallback struct. | ||
| static thread_local struct JNICallback { | ||
| JNIEnv *env; | ||
| jmethodID mid; | ||
| jobject obj; | ||
| } jniCallback; | ||
|
|
||
| static void openGLMessageCallback(GLenum source, GLenum type, GLuint id, | ||
| GLenum severity, GLsizei, const GLchar* message, | ||
| const void* userParam) | ||
| { | ||
| if ( nullptr != userParam ) { | ||
| const JNICallback* callback = reinterpret_cast<const JNICallback*>(userParam); | ||
|
|
||
| jstring jniMessageString = callback->env->NewStringUTF(message); | ||
| callback->env->CallVoidMethod(callback->obj, callback->mid, | ||
| static_cast<jint>(source), | ||
| static_cast<jint>(type), | ||
| static_cast<jint>(id), | ||
| static_cast<jint>(severity), | ||
| jniMessageString ); | ||
| } | ||
| } | ||
|
|
||
| // There's no way to do this in managed code, so here's something to help out those devs that | ||
| // want some more debug info. | ||
| extern "C" | ||
| JNIEXPORT jboolean JNICALL | ||
| Java_com_android_example_rsmigration_GLSLImageProcessorKt_EnableDebugLogging(JNIEnv *env, | ||
| jclass, | ||
| jobject callback) { | ||
| if ( env ) { | ||
| auto debugCallback = reinterpret_cast<void (*)(void *, void *)>(eglGetProcAddress("glDebugMessageCallback")); | ||
| if (debugCallback) { | ||
| // enable debug output | ||
| glEnable(GL_DEBUG_OUTPUT); | ||
| // call back on the same thread | ||
| glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS); | ||
|
|
||
| jniCallback.env = env; | ||
| jclass cls = env->GetObjectClass(callback); | ||
| jniCallback.mid = env->GetMethodID(cls, "onMessage","(IIIILjava/lang/String;)V"); | ||
| jniCallback.obj = env->NewWeakGlobalRef(callback); | ||
| debugCallback(reinterpret_cast<void*>(openGLMessageCallback), &jniCallback); | ||
| } | ||
| } | ||
| return false; | ||
| } |
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