OpenGLRenderer.cpp revision 85bf02fc16784d935fb9eebfa9cb20fe46ff7951
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 "OpenGLRenderer"
18
19#include <stdlib.h>
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/Errors.h>
24#include <utils/Log.h>
25
26#include <GLES2/gl2.h>
27#include <GLES2/gl2ext.h>
28
29#include <SkXfermode.h>
30
31#include "OpenGLRenderer.h"
32#include "Matrix.h"
33
34namespace android {
35
36OpenGLRenderer::OpenGLRenderer() {
37    LOGD("Create OpenGLRenderer");
38}
39
40OpenGLRenderer::~OpenGLRenderer() {
41    LOGD("Destroy OpenGLRenderer");
42}
43
44void OpenGLRenderer::setViewport(int width, int height) {
45    glViewport(0, 0, width, height);
46
47    mat4 ortho;
48    ortho.loadOrtho(0, width, height, 0, 0, 1);
49    ortho.copyTo(mOrthoMatrix);
50}
51
52void OpenGLRenderer::prepare() {
53    glDisable(GL_SCISSOR_TEST);
54    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
55    glClear(GL_COLOR_BUFFER_BIT);
56    glEnable(GL_SCISSOR_TEST);
57}
58
59void OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) {
60	LOGD("Drawing color");
61}
62
63}; // namespace android
64