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 <string> |
| 18 | #include <vector> |
| 19 | |
| 20 | #include "jni/jni_shader_program.h" |
| 21 | #include "jni/jni_util.h" |
| 22 | |
| 23 | #include "native/base/logging.h" |
| 24 | #include "native/core/geometry.h" |
| 25 | #include "native/core/gl_env.h" |
| 26 | #include "native/core/gl_frame.h" |
| 27 | #include "native/core/shader_program.h" |
| 28 | #include "native/core/vertex_frame.h" |
| 29 | |
| 30 | using android::filterfw::GLEnv; |
| 31 | using android::filterfw::GLFrame; |
| 32 | using android::filterfw::Point; |
| 33 | using android::filterfw::ProgramVar; |
| 34 | using android::filterfw::Quad; |
| 35 | using android::filterfw::ShaderProgram; |
| 36 | using android::filterfw::VertexFrame; |
| 37 | |
| 38 | jboolean Java_android_filterfw_core_ShaderProgram_allocate(JNIEnv* env, |
| 39 | jobject thiz, |
| 40 | jobject gl_env, |
| 41 | jstring vertex_shader, |
| 42 | jstring fragment_shader) { |
| 43 | // Get the GLEnv pointer |
| 44 | GLEnv* gl_env_ptr = ConvertFromJava<GLEnv>(env, gl_env); |
| 45 | |
| 46 | // Create the shader |
| 47 | if (!fragment_shader || !gl_env_ptr) |
| 48 | return false; |
| 49 | else if (!vertex_shader) |
| 50 | return ToJBool(WrapObjectInJava(new ShaderProgram( |
| 51 | gl_env_ptr, |
| 52 | ToCppString(env, fragment_shader)), |
| 53 | env, |
| 54 | thiz, |
| 55 | true)); |
| 56 | else |
| 57 | return ToJBool(WrapObjectInJava(new ShaderProgram( |
| 58 | gl_env_ptr, |
| 59 | ToCppString(env, vertex_shader), |
| 60 | ToCppString(env, fragment_shader)), |
| 61 | env, |
| 62 | thiz, |
| 63 | true)); |
| 64 | } |
| 65 | |
| 66 | jboolean Java_android_filterfw_core_ShaderProgram_deallocate(JNIEnv* env, jobject thiz) { |
| 67 | return ToJBool(DeleteNativeObject<ShaderProgram>(env, thiz)); |
| 68 | } |
| 69 | |
| 70 | jboolean Java_android_filterfw_core_ShaderProgram_compileAndLink(JNIEnv* env, jobject thiz) { |
| 71 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 72 | return program ? ToJBool(program->CompileAndLink()) : JNI_FALSE; |
| 73 | } |
| 74 | |
| 75 | jboolean Java_android_filterfw_core_ShaderProgram_setUniformValue(JNIEnv* env, |
| 76 | jobject thiz, |
| 77 | jstring key, |
| 78 | jobject value) { |
| 79 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 80 | const Value c_value = ToCValue(env, value); |
| 81 | const std::string c_key = ToCppString(env, key); |
| 82 | if (c_value.value) { |
| 83 | return ToJBool(program && program->SetUniformValue(c_key, c_value)); |
| 84 | } else { |
| 85 | ALOGE("ShaderProgram: Could not convert java object value passed for key '%s'!", c_key.c_str()); |
| 86 | return JNI_FALSE; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | jobject Java_android_filterfw_core_ShaderProgram_getUniformValue(JNIEnv* env, |
| 91 | jobject thiz, |
| 92 | jstring key) { |
| 93 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 94 | const std::string c_key = ToCppString(env, key); |
| 95 | return program ? ToJObject(env, program->GetUniformValue(c_key)) : JNI_NULL; |
| 96 | } |
| 97 | |
| 98 | jboolean Java_android_filterfw_core_ShaderProgram_shaderProcess(JNIEnv* env, |
| 99 | jobject thiz, |
| 100 | jobjectArray inputs, |
| 101 | jobject output) { |
| 102 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 103 | std::vector<const GLFrame*> input_frames; |
| 104 | if (program && inputs && output) { |
| 105 | // Get the input frames |
| 106 | const int input_count = env->GetArrayLength(inputs); |
| 107 | for (int i = 0; i < input_count; ++i) { |
| 108 | jobject input = env->GetObjectArrayElement(inputs, i); |
| 109 | const GLFrame* input_frame = ConvertFromJava<GLFrame>(env, input); |
| 110 | if (!input || !input_frame) { |
| 111 | ALOGE("ShaderProgram: invalid input frame %d!", i); |
| 112 | return JNI_FALSE; |
| 113 | } |
| 114 | input_frames.push_back(input_frame); |
| 115 | } |
| 116 | |
| 117 | // Get the output frame |
| 118 | GLFrame* output_frame = ConvertFromJava<GLFrame>(env, output); |
| 119 | if (!output_frame) { |
| 120 | ALOGE("ShaderProgram: no output frame found!"); |
| 121 | return JNI_FALSE; |
| 122 | } |
| 123 | |
| 124 | // Process the frames! |
| 125 | if (!program->Process(input_frames, output_frame)) { |
| 126 | ALOGE("ShaderProgram: error processing shader!"); |
| 127 | return JNI_FALSE; |
| 128 | } |
| 129 | |
| 130 | return JNI_TRUE; |
| 131 | } |
| 132 | return JNI_FALSE; |
| 133 | } |
| 134 | |
| 135 | jobject Java_android_filterfw_core_ShaderProgram_nativeCreateIdentity(JNIEnv* env, |
| 136 | jclass, |
| 137 | jobject gl_env) { |
| 138 | GLEnv* gl_env_ptr = ConvertFromJava<GLEnv>(env, gl_env); |
| 139 | ShaderProgram* program = gl_env_ptr ? ShaderProgram::CreateIdentity(gl_env_ptr) : NULL; |
| 140 | return program ? WrapNewObjectInJava(program, env, false) : NULL; |
| 141 | } |
| 142 | |
| 143 | jboolean Java_android_filterfw_core_ShaderProgram_setSourceRegion(JNIEnv* env, |
| 144 | jobject thiz, |
| 145 | jfloat x0, |
| 146 | jfloat y0, |
| 147 | jfloat x1, |
| 148 | jfloat y1, |
| 149 | jfloat x2, |
| 150 | jfloat y2, |
| 151 | jfloat x3, |
| 152 | jfloat y3) { |
| 153 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 154 | if (program) { |
| 155 | program->SetSourceRegion(Quad(Point(x0, y0), Point(x1, y1), Point(x2, y2), Point(x3, y3))); |
| 156 | return JNI_TRUE; |
| 157 | } |
| 158 | return JNI_FALSE; |
| 159 | } |
| 160 | |
| 161 | jboolean Java_android_filterfw_core_ShaderProgram_setTargetRegion(JNIEnv* env, |
| 162 | jobject thiz, |
| 163 | jfloat x0, |
| 164 | jfloat y0, |
| 165 | jfloat x1, |
| 166 | jfloat y1, |
| 167 | jfloat x2, |
| 168 | jfloat y2, |
| 169 | jfloat x3, |
| 170 | jfloat y3) { |
| 171 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 172 | if (program) { |
| 173 | program->SetTargetRegion(Quad(Point(x0, y0), Point(x1, y1), Point(x2, y2), Point(x3, y3))); |
| 174 | return JNI_TRUE; |
| 175 | } |
| 176 | return JNI_FALSE; |
| 177 | } |
| 178 | |
| 179 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderClearsOutput(JNIEnv* env, |
| 180 | jobject thiz, |
| 181 | jboolean clears) { |
| 182 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 183 | if (program) { |
| 184 | program->SetClearsOutput(ToCppBool(clears)); |
| 185 | return JNI_TRUE; |
| 186 | } |
| 187 | return JNI_FALSE; |
| 188 | } |
| 189 | |
| 190 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderBlendEnabled(JNIEnv* env, |
| 191 | jobject thiz, |
| 192 | jboolean enable) { |
| 193 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 194 | if (program) { |
| 195 | program->SetBlendEnabled(ToCppBool(enable)); |
| 196 | return JNI_TRUE; |
| 197 | } |
| 198 | return JNI_FALSE; |
| 199 | } |
| 200 | |
| 201 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderBlendFunc(JNIEnv* env, |
| 202 | jobject thiz, |
| 203 | jint sfactor, |
| 204 | jint dfactor) { |
| 205 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 206 | if (program) { |
| 207 | program->SetBlendFunc(sfactor, dfactor); |
| 208 | return JNI_TRUE; |
| 209 | } |
| 210 | return JNI_FALSE; |
| 211 | } |
| 212 | |
| 213 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderClearColor(JNIEnv* env, |
| 214 | jobject thiz, |
| 215 | jfloat r, |
| 216 | jfloat g, |
| 217 | jfloat b) { |
| 218 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 219 | if (program) { |
| 220 | program->SetClearColor(r, g, b, 1.0f); |
| 221 | return JNI_TRUE; |
| 222 | } |
| 223 | return JNI_FALSE; |
| 224 | } |
| 225 | |
| 226 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderDrawMode(JNIEnv* env, |
| 227 | jobject thiz, |
| 228 | jint draw_mode) { |
| 229 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 230 | if (program) { |
| 231 | program->SetDrawMode(draw_mode); |
| 232 | return JNI_TRUE; |
| 233 | } |
| 234 | return JNI_FALSE; |
| 235 | } |
| 236 | |
| 237 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderTileCounts(JNIEnv* env, |
| 238 | jobject thiz, |
| 239 | jint x_count, |
| 240 | jint y_count) { |
| 241 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 242 | if (program) { |
| 243 | program->SetTileCounts(x_count, y_count); |
| 244 | return JNI_TRUE; |
| 245 | } |
| 246 | return JNI_FALSE; |
| 247 | } |
| 248 | |
| 249 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderVertexCount(JNIEnv* env, |
| 250 | jobject thiz, |
| 251 | jint vertex_count) { |
| 252 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 253 | if (program) { |
| 254 | program->SetVertexCount(vertex_count); |
| 255 | return JNI_TRUE; |
| 256 | } |
| 257 | return JNI_FALSE; |
| 258 | } |
| 259 | |
| 260 | jboolean Java_android_filterfw_core_ShaderProgram_beginShaderDrawing(JNIEnv* env, jobject thiz) { |
| 261 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 262 | return ToJBool(program && program->BeginDraw()); |
| 263 | } |
| 264 | |
| 265 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderAttributeValues( |
| 266 | JNIEnv* env, |
| 267 | jobject thiz, |
| 268 | jstring attr_name, |
| 269 | jfloatArray values, |
| 270 | jint component_count) { |
| 271 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 272 | if (program) { |
| 273 | // Get the floats to set |
| 274 | jfloat* float_ptr = env->GetFloatArrayElements(values, NULL); |
| 275 | const int length = env->GetArrayLength(values); |
| 276 | |
| 277 | // Get the program variable to set |
| 278 | const std::string attr_string = ToCppString(env, attr_name); |
| 279 | ProgramVar program_var = program->GetAttribute(attr_string); |
| 280 | |
| 281 | // Set the variable |
| 282 | if (float_ptr && ShaderProgram::IsVarValid(program_var)) { |
| 283 | const bool success = program->SetAttributeValues(program_var, |
| 284 | reinterpret_cast<float*>(float_ptr), |
| 285 | length, |
| 286 | component_count); |
| 287 | env->ReleaseFloatArrayElements(values, float_ptr, JNI_ABORT); |
| 288 | return ToJBool(success); |
| 289 | } |
| 290 | } |
| 291 | return JNI_FALSE; |
| 292 | } |
| 293 | |
| 294 | jboolean Java_android_filterfw_core_ShaderProgram_setShaderAttributeVertexFrame( |
| 295 | JNIEnv* env, |
| 296 | jobject thiz, |
| 297 | jstring attr_name, |
| 298 | jobject vertex_frame, |
| 299 | jint type, |
| 300 | jint component_count, |
| 301 | jint stride, |
| 302 | jint offset, |
| 303 | jboolean normalize) { |
| 304 | ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz); |
| 305 | if (program) { |
| 306 | // Get the vertex frame |
| 307 | VertexFrame* v_frame = ConvertFromJava<VertexFrame>(env, vertex_frame); |
| 308 | |
| 309 | // Get the program variable to set |
| 310 | const std::string attr_string = ToCppString(env, attr_name); |
| 311 | ProgramVar program_var = program->GetAttribute(attr_string); |
| 312 | |
| 313 | // Set the variable |
| 314 | if (v_frame && ShaderProgram::IsVarValid(program_var)) { |
| 315 | const bool success = program->SetAttributeValues(program_var, |
| 316 | v_frame, |
| 317 | type, |
| 318 | component_count, |
| 319 | stride, |
| 320 | offset, |
| 321 | ToCppBool(normalize)); |
| 322 | return ToJBool(success); |
| 323 | } |
| 324 | } |
| 325 | return JNI_FALSE; |
| 326 | } |