Romain Guy | a958265 | 2011-11-10 14:20:10 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "HardwareRenderer" |
| 18 | |
| 19 | #include "jni.h" |
| 20 | #include <nativehelper/JNIHelp.h> |
| 21 | #include <android_runtime/AndroidRuntime.h> |
| 22 | |
Romain Guy | 6db53c3 | 2012-04-02 10:52:52 -0700 | [diff] [blame] | 23 | #include <EGL/egl_cache.h> |
| 24 | |
Romain Guy | 5bb3c73 | 2012-11-29 17:52:58 -0800 | [diff] [blame] | 25 | #include <Caches.h> |
| 26 | |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 27 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 28 | EGLAPI void EGLAPIENTRY eglBeginFrame(EGLDisplay dpy, EGLSurface surface); |
| 29 | #endif |
Jamie Gennis | b335fad | 2012-01-15 18:54:57 -0800 | [diff] [blame] | 30 | |
Romain Guy | a958265 | 2011-11-10 14:20:10 -0800 | [diff] [blame] | 31 | namespace android { |
| 32 | |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 33 | /** |
| 34 | * Note: OpenGLRenderer JNI layer is generated and compiled only on supported |
| 35 | * devices. This means all the logic must be compiled only when the |
| 36 | * preprocessor variable USE_OPENGL_RENDERER is defined. |
| 37 | */ |
| 38 | #ifdef USE_OPENGL_RENDERER |
| 39 | |
Romain Guy | a958265 | 2011-11-10 14:20:10 -0800 | [diff] [blame] | 40 | // ---------------------------------------------------------------------------- |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 41 | // Defines |
| 42 | // ---------------------------------------------------------------------------- |
| 43 | |
| 44 | // Debug |
| 45 | #define DEBUG_RENDERER 0 |
| 46 | |
| 47 | // Debug |
| 48 | #if DEBUG_RENDERER |
| 49 | #define RENDERER_LOGD(...) ALOGD(__VA_ARGS__) |
| 50 | #else |
| 51 | #define RENDERER_LOGD(...) |
| 52 | #endif |
| 53 | |
| 54 | // ---------------------------------------------------------------------------- |
| 55 | // Surface and display management |
| 56 | // ---------------------------------------------------------------------------- |
| 57 | |
| 58 | static jboolean android_view_HardwareRenderer_preserveBackBuffer(JNIEnv* env, jobject clazz) { |
| 59 | EGLDisplay display = eglGetCurrentDisplay(); |
| 60 | EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); |
| 61 | |
| 62 | eglGetError(); |
| 63 | eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); |
| 64 | |
| 65 | EGLint error = eglGetError(); |
| 66 | if (error != EGL_SUCCESS) { |
| 67 | RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error); |
| 68 | } |
| 69 | |
| 70 | return error == EGL_SUCCESS; |
| 71 | } |
| 72 | |
| 73 | static jboolean android_view_HardwareRenderer_isBackBufferPreserved(JNIEnv* env, jobject clazz) { |
| 74 | EGLDisplay display = eglGetCurrentDisplay(); |
| 75 | EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); |
| 76 | EGLint value; |
| 77 | |
| 78 | eglGetError(); |
| 79 | eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &value); |
| 80 | |
| 81 | EGLint error = eglGetError(); |
| 82 | if (error != EGL_SUCCESS) { |
| 83 | RENDERER_LOGD("Could not query buffer preserved swap behavior (%x)", error); |
| 84 | } |
| 85 | |
| 86 | return error == EGL_SUCCESS && value == EGL_BUFFER_PRESERVED; |
| 87 | } |
| 88 | |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 89 | // ---------------------------------------------------------------------------- |
| 90 | // Tracing and debugging |
| 91 | // ---------------------------------------------------------------------------- |
| 92 | |
Romain Guy | 5bb3c73 | 2012-11-29 17:52:58 -0800 | [diff] [blame] | 93 | static bool android_view_HardwareRenderer_loadProperties(JNIEnv* env, jobject clazz) { |
| 94 | if (uirenderer::Caches::hasInstance()) { |
| 95 | return uirenderer::Caches::getInstance().initProperties(); |
| 96 | } |
| 97 | return false; |
| 98 | } |
| 99 | |
Romain Guy | 7687882 | 2012-03-30 14:54:22 -0700 | [diff] [blame] | 100 | static void android_view_HardwareRenderer_beginFrame(JNIEnv* env, jobject clazz, |
| 101 | jintArray size) { |
| 102 | |
| 103 | EGLDisplay display = eglGetCurrentDisplay(); |
| 104 | EGLSurface surface = eglGetCurrentSurface(EGL_DRAW); |
| 105 | |
| 106 | if (size) { |
| 107 | EGLint value; |
| 108 | jint* storage = env->GetIntArrayElements(size, NULL); |
| 109 | |
| 110 | eglQuerySurface(display, surface, EGL_WIDTH, &value); |
| 111 | storage[0] = value; |
| 112 | |
| 113 | eglQuerySurface(display, surface, EGL_HEIGHT, &value); |
| 114 | storage[1] = value; |
| 115 | |
| 116 | env->ReleaseIntArrayElements(size, storage, 0); |
| 117 | } |
| 118 | |
| 119 | eglBeginFrame(display, surface); |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | #endif // USE_OPENGL_RENDERER |
| 123 | |
| 124 | // ---------------------------------------------------------------------------- |
| 125 | // Shaders |
Romain Guy | a958265 | 2011-11-10 14:20:10 -0800 | [diff] [blame] | 126 | // ---------------------------------------------------------------------------- |
| 127 | |
| 128 | static void android_view_HardwareRenderer_setupShadersDiskCache(JNIEnv* env, jobject clazz, |
| 129 | jstring diskCachePath) { |
| 130 | |
| 131 | const char* cacheArray = env->GetStringUTFChars(diskCachePath, NULL); |
| 132 | egl_cache_t::get()->setCacheFilename(cacheArray); |
| 133 | env->ReleaseStringUTFChars(diskCachePath, cacheArray); |
| 134 | } |
| 135 | |
| 136 | // ---------------------------------------------------------------------------- |
| 137 | // JNI Glue |
| 138 | // ---------------------------------------------------------------------------- |
| 139 | |
| 140 | const char* const kClassPathName = "android/view/HardwareRenderer"; |
| 141 | |
| 142 | static JNINativeMethod gMethods[] = { |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 143 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 7687882 | 2012-03-30 14:54:22 -0700 | [diff] [blame] | 144 | { "nIsBackBufferPreserved", "()Z", (void*) android_view_HardwareRenderer_isBackBufferPreserved }, |
| 145 | { "nPreserveBackBuffer", "()Z", (void*) android_view_HardwareRenderer_preserveBackBuffer }, |
Romain Guy | 5bb3c73 | 2012-11-29 17:52:58 -0800 | [diff] [blame] | 146 | { "nLoadProperties", "()Z", (void*) android_view_HardwareRenderer_loadProperties }, |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 147 | |
Romain Guy | 7687882 | 2012-03-30 14:54:22 -0700 | [diff] [blame] | 148 | { "nBeginFrame", "([I)V", (void*) android_view_HardwareRenderer_beginFrame }, |
Romain Guy | 244ada1 | 2012-03-28 16:41:26 -0700 | [diff] [blame] | 149 | #endif |
| 150 | |
| 151 | { "nSetupShadersDiskCache", "(Ljava/lang/String;)V", |
| 152 | (void*) android_view_HardwareRenderer_setupShadersDiskCache }, |
Romain Guy | a958265 | 2011-11-10 14:20:10 -0800 | [diff] [blame] | 153 | }; |
| 154 | |
| 155 | int register_android_view_HardwareRenderer(JNIEnv* env) { |
| 156 | return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); |
| 157 | } |
| 158 | |
| 159 | }; |