165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include "base/logging.h" 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include "core/gl_env.h" 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include "core/vertex_frame.h" 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <GLES2/gl2ext.h> 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn#include <EGL/egl.h> 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennnamespace android { 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennnamespace filterfw { 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn// GL Extensions that are dynamically looked up at runtime 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennstatic PFNGLMAPBUFFEROESPROC GLMapBufferOES = NULL; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennstatic PFNGLUNMAPBUFFEROESPROC GLUnmapBufferOES = NULL; 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius RennVertexFrame::VertexFrame(int size) 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn : vbo_(0), 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn size_(size) { 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius RennVertexFrame::~VertexFrame() { 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glDeleteBuffers(1, &vbo_); 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennbool VertexFrame::CreateBuffer() { 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glGenBuffers(1, &vbo_); 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return !GLEnv::CheckGLError("Generating VBO"); 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennbool VertexFrame::WriteData(const uint8_t* data, int size) { 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create buffer if not created already 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn const bool first_upload = !HasVBO(); 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (first_upload && !CreateBuffer()) { 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ALOGE("VertexFrame: Could not create vertex buffer!"); 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return false; 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Upload the data 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glBindBuffer(GL_ARRAY_BUFFER, vbo_); 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (GLEnv::CheckGLError("VBO Bind Buffer")) 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return false; 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (first_upload && size == size_) 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glBufferData(GL_ARRAY_BUFFER, size, data, GL_STATIC_DRAW); 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn else if (!first_upload && size <= size_) 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn glBufferSubData(GL_ARRAY_BUFFER, 0, size, data); 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn else { 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ALOGE("VertexFrame: Attempting to upload more data (%d bytes) than fits " 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "inside the vertex frame (%d bytes)!", size, size_); 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return false; 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Make sure it worked 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (GLEnv::CheckGLError("VBO Data Upload")) 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return false; 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Subsequent uploads are now bound to the size given here 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn size_ = size; 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return true; 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennint VertexFrame::Size() const { 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return size_; 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} // namespace filterfw 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} // namespace android 85