Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | #include "android/bitmap.h" |
| 18 | |
| 19 | #include "jni/jni_gl_frame.h" |
| 20 | #include "jni/jni_util.h" |
| 21 | |
| 22 | #include "native/core/gl_env.h" |
| 23 | #include "native/core/gl_frame.h" |
| 24 | #include "native/core/native_frame.h" |
| 25 | |
| 26 | using android::filterfw::GLEnv; |
| 27 | using android::filterfw::GLFrame; |
| 28 | using android::filterfw::NativeFrame; |
| 29 | |
| 30 | // Helper functions //////////////////////////////////////////////////////////////////////////////// |
| 31 | void ConvertFloatsToRGBA(const float* floats, int length, uint8_t* result) { |
| 32 | for (int i = 0; i < length; ++i) { |
| 33 | result[i] = static_cast<uint8_t>(floats[i] * 255.0); |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | void ConvertRGBAToFloats(const uint8_t* rgba, int length, float* result) { |
| 38 | for (int i = 0; i < length; ++i) { |
| 39 | result[i] = rgba[i] / 255.0; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | // GLFrame JNI implementation ////////////////////////////////////////////////////////////////////// |
| 44 | jboolean Java_android_filterfw_core_GLFrame_nativeAllocate(JNIEnv* env, |
| 45 | jobject thiz, |
| 46 | jobject gl_env, |
| 47 | jint width, |
| 48 | jint height) { |
| 49 | GLEnv* gl_env_ptr = ConvertFromJava<GLEnv>(env, gl_env); |
| 50 | if (!gl_env_ptr) return JNI_FALSE; |
| 51 | GLFrame* frame = new GLFrame(gl_env_ptr); |
| 52 | if (frame->Init(width, height)) { |
| 53 | return ToJBool(WrapObjectInJava(frame, env, thiz, true)); |
| 54 | } else { |
| 55 | delete frame; |
| 56 | return JNI_FALSE; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | jboolean Java_android_filterfw_core_GLFrame_nativeAllocateWithTexture(JNIEnv* env, |
| 61 | jobject thiz, |
| 62 | jobject gl_env, |
| 63 | jint tex_id, |
| 64 | jint width, |
| 65 | jint height) { |
| 66 | GLEnv* gl_env_ptr = ConvertFromJava<GLEnv>(env, gl_env); |
| 67 | if (!gl_env_ptr) return JNI_FALSE; |
| 68 | GLFrame* frame = new GLFrame(gl_env_ptr); |
| 69 | if (frame->InitWithTexture(tex_id, width, height)) { |
| 70 | return ToJBool(WrapObjectInJava(frame, env, thiz, true)); |
| 71 | } else { |
| 72 | delete frame; |
| 73 | return JNI_FALSE; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | jboolean Java_android_filterfw_core_GLFrame_nativeAllocateWithFbo(JNIEnv* env, |
| 78 | jobject thiz, |
| 79 | jobject gl_env, |
| 80 | jint fbo_id, |
| 81 | jint width, |
| 82 | jint height) { |
| 83 | GLEnv* gl_env_ptr = ConvertFromJava<GLEnv>(env, gl_env); |
| 84 | if (!gl_env_ptr) return JNI_FALSE; |
| 85 | GLFrame* frame = new GLFrame(gl_env_ptr); |
| 86 | if (frame->InitWithFbo(fbo_id, width, height)) { |
| 87 | return ToJBool(WrapObjectInJava(frame, env, thiz, true)); |
| 88 | } else { |
| 89 | delete frame; |
| 90 | return JNI_FALSE; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | jboolean Java_android_filterfw_core_GLFrame_nativeAllocateExternal(JNIEnv* env, |
| 95 | jobject thiz, |
| 96 | jobject gl_env) { |
| 97 | GLEnv* gl_env_ptr = ConvertFromJava<GLEnv>(env, gl_env); |
| 98 | if (!gl_env_ptr) return JNI_FALSE; |
| 99 | GLFrame* frame = new GLFrame(gl_env_ptr); |
| 100 | if (frame->InitWithExternalTexture()) { |
| 101 | return ToJBool(WrapObjectInJava(frame, env, thiz, true)); |
| 102 | } else { |
| 103 | delete frame; |
| 104 | return JNI_FALSE; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | jboolean Java_android_filterfw_core_GLFrame_nativeDeallocate(JNIEnv* env, jobject thiz) { |
| 109 | return ToJBool(DeleteNativeObject<GLFrame>(env, thiz)); |
| 110 | } |
| 111 | |
| 112 | jboolean Java_android_filterfw_core_GLFrame_setNativeData(JNIEnv* env, |
| 113 | jobject thiz, |
| 114 | jbyteArray data, |
| 115 | jint offset, |
| 116 | jint length) { |
| 117 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 118 | if (frame && data) { |
| 119 | jbyte* bytes = env->GetByteArrayElements(data, NULL); |
| 120 | if (bytes) { |
| 121 | const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(bytes + offset), length); |
| 122 | env->ReleaseByteArrayElements(data, bytes, JNI_ABORT); |
| 123 | return ToJBool(success); |
| 124 | } |
| 125 | } |
| 126 | return JNI_FALSE; |
| 127 | } |
| 128 | |
| 129 | jbyteArray Java_android_filterfw_core_GLFrame_getNativeData(JNIEnv* env, jobject thiz) { |
| 130 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 131 | if (frame && frame->Size() > 0) { |
| 132 | jbyteArray result = env->NewByteArray(frame->Size()); |
| 133 | jbyte* data = env->GetByteArrayElements(result, NULL); |
| 134 | frame->CopyDataTo(reinterpret_cast<uint8_t*>(data), frame->Size()); |
| 135 | env->ReleaseByteArrayElements(result, data, 0); |
| 136 | return result; |
| 137 | } |
| 138 | return NULL; |
| 139 | } |
| 140 | |
| 141 | jboolean Java_android_filterfw_core_GLFrame_setNativeInts(JNIEnv* env, |
| 142 | jobject thiz, |
| 143 | jintArray ints) { |
| 144 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 145 | if (frame && ints) { |
| 146 | jint* int_ptr = env->GetIntArrayElements(ints, NULL); |
| 147 | const int length = env->GetArrayLength(ints); |
| 148 | if (int_ptr) { |
| 149 | const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(int_ptr), |
| 150 | length * sizeof(jint)); |
| 151 | env->ReleaseIntArrayElements(ints, int_ptr, JNI_ABORT); |
| 152 | return ToJBool(success); |
| 153 | } |
| 154 | } |
| 155 | return JNI_FALSE; |
| 156 | } |
| 157 | |
| 158 | jintArray Java_android_filterfw_core_GLFrame_getNativeInts(JNIEnv* env, jobject thiz) { |
| 159 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 160 | if (frame && frame->Size() > 0 && (frame->Size() % sizeof(jint) == 0)) { |
| 161 | jintArray result = env->NewIntArray(frame->Size() / sizeof(jint)); |
| 162 | jint* data = env->GetIntArrayElements(result, NULL); |
| 163 | frame->CopyDataTo(reinterpret_cast<uint8_t*>(data), frame->Size()); |
| 164 | env->ReleaseIntArrayElements(result, data, 0); |
| 165 | return result; |
| 166 | } |
| 167 | return NULL; |
| 168 | } |
| 169 | |
| 170 | jboolean Java_android_filterfw_core_GLFrame_setNativeFloats(JNIEnv* env, |
| 171 | jobject thiz, |
| 172 | jfloatArray floats) { |
| 173 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 174 | if (frame && floats) { |
| 175 | jfloat* float_ptr = env->GetFloatArrayElements(floats, NULL); |
| 176 | const int length = env->GetArrayLength(floats); |
| 177 | if (float_ptr) { |
| 178 | // Convert floats to RGBA buffer |
| 179 | uint8_t* rgba_buffer = new uint8_t[length]; |
| 180 | ConvertFloatsToRGBA(float_ptr, length, rgba_buffer); |
| 181 | env->ReleaseFloatArrayElements(floats, float_ptr, JNI_ABORT); |
| 182 | |
| 183 | // Write RGBA buffer to frame |
| 184 | const bool success = frame->WriteData(rgba_buffer, length); |
| 185 | |
| 186 | // Clean-up |
| 187 | delete[] rgba_buffer; |
| 188 | return ToJBool(success); |
| 189 | } |
| 190 | } |
| 191 | return JNI_FALSE; |
| 192 | } |
| 193 | |
| 194 | jfloatArray Java_android_filterfw_core_GLFrame_getNativeFloats(JNIEnv* env, jobject thiz) { |
| 195 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 196 | if (frame && frame->Size() > 0) { |
| 197 | // Create the result array |
| 198 | jfloatArray result = env->NewFloatArray(frame->Size()); |
| 199 | jfloat* float_array = env->GetFloatArrayElements(result, NULL); |
| 200 | |
| 201 | // Read the frame pixels |
| 202 | uint8_t* pixels = new uint8_t[frame->Size()]; |
| 203 | frame->CopyDataTo(pixels, frame->Size()); |
| 204 | |
| 205 | // Convert them to floats |
| 206 | ConvertRGBAToFloats(pixels, frame->Size(), float_array); |
| 207 | |
| 208 | // Clean-up |
| 209 | delete[] pixels; |
| 210 | env->ReleaseFloatArrayElements(result, float_array, 0); |
| 211 | return result; |
| 212 | } |
| 213 | return NULL; |
| 214 | } |
| 215 | |
| 216 | jboolean Java_android_filterfw_core_GLFrame_setNativeBitmap(JNIEnv* env, |
| 217 | jobject thiz, |
| 218 | jobject bitmap, |
| 219 | jint size) { |
| 220 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 221 | if (frame && bitmap) { |
| 222 | uint8_t* pixels; |
| 223 | const int result = AndroidBitmap_lockPixels(env, bitmap, reinterpret_cast<void**>(&pixels)); |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 224 | if (result == ANDROID_BITMAP_RESULT_SUCCESS) { |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 225 | const bool success = frame->WriteData(pixels, size); |
| 226 | return ToJBool(success && |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 227 | AndroidBitmap_unlockPixels(env, bitmap) == ANDROID_BITMAP_RESULT_SUCCESS); |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 228 | } |
| 229 | } |
| 230 | return JNI_FALSE; |
| 231 | } |
| 232 | |
| 233 | jboolean Java_android_filterfw_core_GLFrame_getNativeBitmap(JNIEnv* env, |
| 234 | jobject thiz, |
| 235 | jobject bitmap) { |
| 236 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 237 | if (frame && bitmap) { |
| 238 | uint8_t* pixels; |
| 239 | const int result = AndroidBitmap_lockPixels(env, bitmap, reinterpret_cast<void**>(&pixels)); |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 240 | if (result == ANDROID_BITMAP_RESULT_SUCCESS) { |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 241 | frame->CopyDataTo(pixels, frame->Size()); |
Andrew Hsieh | eba8254 | 2012-12-12 11:27:44 +0800 | [diff] [blame] | 242 | return (AndroidBitmap_unlockPixels(env, bitmap) == ANDROID_BITMAP_RESULT_SUCCESS); |
Marius Renn | 65953da | 2012-03-27 10:44:45 -0700 | [diff] [blame] | 243 | } |
| 244 | } |
| 245 | return JNI_FALSE; |
| 246 | } |
| 247 | |
| 248 | jboolean Java_android_filterfw_core_GLFrame_setNativeViewport(JNIEnv* env, |
| 249 | jobject thiz, |
| 250 | jint x, |
| 251 | jint y, |
| 252 | jint width, |
| 253 | jint height) { |
| 254 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 255 | return frame ? ToJBool(frame->SetViewport(x, y, width, height)) : JNI_FALSE; |
| 256 | } |
| 257 | |
| 258 | jint Java_android_filterfw_core_GLFrame_getNativeTextureId(JNIEnv* env, jobject thiz) { |
| 259 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 260 | return frame ? frame->GetTextureId() : -1; |
| 261 | } |
| 262 | |
| 263 | jint Java_android_filterfw_core_GLFrame_getNativeFboId(JNIEnv* env, jobject thiz) { |
| 264 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 265 | return frame ? frame->GetFboId() : -1; |
| 266 | } |
| 267 | |
| 268 | jboolean Java_android_filterfw_core_GLFrame_generateNativeMipMap(JNIEnv* env, jobject thiz) { |
| 269 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 270 | return frame ? ToJBool(frame->GenerateMipMap()) : JNI_FALSE; |
| 271 | } |
| 272 | |
| 273 | jboolean Java_android_filterfw_core_GLFrame_setNativeTextureParam(JNIEnv* env, |
| 274 | jobject thiz, |
| 275 | jint param, |
| 276 | jint value) { |
| 277 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 278 | return frame ? ToJBool(frame->SetTextureParameter(param, value)) : JNI_FALSE; |
| 279 | } |
| 280 | |
| 281 | jboolean Java_android_filterfw_core_GLFrame_nativeResetParams(JNIEnv* env, jobject thiz) { |
| 282 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 283 | return frame ? ToJBool(frame->ResetTexParameters()) : JNI_FALSE; |
| 284 | } |
| 285 | |
| 286 | jboolean Java_android_filterfw_core_GLFrame_nativeCopyFromNative(JNIEnv* env, |
| 287 | jobject thiz, |
| 288 | jobject frame) { |
| 289 | GLFrame* this_frame = ConvertFromJava<GLFrame>(env, thiz); |
| 290 | NativeFrame* other_frame = ConvertFromJava<NativeFrame>(env, frame); |
| 291 | if (this_frame && other_frame) { |
| 292 | return ToJBool(this_frame->WriteData(other_frame->Data(), other_frame->Size())); |
| 293 | } |
| 294 | return JNI_FALSE; |
| 295 | } |
| 296 | |
| 297 | jboolean Java_android_filterfw_core_GLFrame_nativeCopyFromGL(JNIEnv* env, |
| 298 | jobject thiz, |
| 299 | jobject frame) { |
| 300 | GLFrame* this_frame = ConvertFromJava<GLFrame>(env, thiz); |
| 301 | GLFrame* other_frame = ConvertFromJava<GLFrame>(env, frame); |
| 302 | if (this_frame && other_frame) { |
| 303 | return ToJBool(this_frame->CopyPixelsFrom(other_frame)); |
| 304 | } |
| 305 | return JNI_FALSE; |
| 306 | } |
| 307 | |
| 308 | jboolean Java_android_filterfw_core_GLFrame_nativeFocus(JNIEnv* env, jobject thiz) { |
| 309 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 310 | return ToJBool(frame && frame->FocusFrameBuffer()); |
| 311 | } |
| 312 | |
| 313 | jboolean Java_android_filterfw_core_GLFrame_nativeReattachTexToFbo(JNIEnv* env, jobject thiz) { |
| 314 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 315 | return ToJBool(frame && frame->ReattachTextureToFbo()); |
| 316 | } |
| 317 | |
| 318 | jboolean Java_android_filterfw_core_GLFrame_nativeDetachTexFromFbo(JNIEnv* env, jobject thiz) { |
| 319 | GLFrame* frame = ConvertFromJava<GLFrame>(env, thiz); |
| 320 | return ToJBool(frame && frame->DetachTextureFromFbo()); |
| 321 | } |
| 322 | |