예제 #1
0
jboolean Java_android_filterfw_core_ShaderProgram_setShaderAttributeVertexFrame(
    JNIEnv* env,
    jobject thiz,
    jstring attr_name,
    jobject vertex_frame,
    jint type,
    jint component_count,
    jint stride,
    jint offset,
    jboolean normalize) {
  ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz);
  if (program) {
    // Get the vertex frame
    VertexFrame* v_frame = ConvertFromJava<VertexFrame>(env, vertex_frame);

    // Get the program variable to set
    const std::string attr_string = ToCppString(env, attr_name);
    ProgramVar program_var = program->GetAttribute(attr_string);

    // Set the variable
    if (v_frame && ShaderProgram::IsVarValid(program_var)) {
      const bool success = program->SetAttributeValues(program_var,
                                                       v_frame,
                                                       type,
                                                       component_count,
                                                       stride,
                                                       offset,
                                                       ToCppBool(normalize));
      return ToJBool(success);
    }
  }
  return JNI_FALSE;
}
예제 #2
0
jboolean Java_android_filterfw_core_ShaderProgram_setShaderAttributeValues(
    JNIEnv* env,
    jobject thiz,
    jstring attr_name,
    jfloatArray values,
    jint component_count) {
  ShaderProgram* program = ConvertFromJava<ShaderProgram>(env, thiz);
  if (program) {
    // Get the floats to set
    jfloat* float_ptr = env->GetFloatArrayElements(values, NULL);
    const int length = env->GetArrayLength(values);

    // Get the program variable to set
    const std::string attr_string = ToCppString(env, attr_name);
    ProgramVar program_var = program->GetAttribute(attr_string);

    // Set the variable
    if (float_ptr && ShaderProgram::IsVarValid(program_var)) {
      const bool success = program->SetAttributeValues(program_var,
                                                       reinterpret_cast<float*>(float_ptr),
                                                       length,
                                                       component_count);
      env->ReleaseFloatArrayElements(values, float_ptr, JNI_ABORT);
      return ToJBool(success);
    }
  }
  return JNI_FALSE;
}