Description.cpp revision a8c386f1c36e916c1df18d41a22104d655a89817 
1/*
2 * Copyright 2013 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 <stdint.h>
18#include <string.h>
19
20#include <utils/TypeHelpers.h>
21
22#include <GLES2/gl2.h>
23#include <GLES2/gl2ext.h>
24
25#include "Description.h"
26
27namespace android {
28
29Description::Description() :
30    mUniformsDirty(true) {
31    mPlaneAlpha = 1.0f;
32    mPremultipliedAlpha = true;
33    mOpaque = true;
34    mTextureEnabled = false;
35
36    memset(mColor, 0, sizeof(mColor));
37}
38
39Description::~Description() {
40}
41
42void Description::setPlaneAlpha(GLclampf planeAlpha) {
43    if (planeAlpha != mPlaneAlpha) {
44        mUniformsDirty = true;
45        mPlaneAlpha = planeAlpha;
46    }
47}
48
49void Description::setPremultipliedAlpha(bool premultipliedAlpha) {
50    if (premultipliedAlpha != mPremultipliedAlpha) {
51        mPremultipliedAlpha = premultipliedAlpha;
52    }
53}
54
55void Description::setOpaque(bool opaque) {
56    if (opaque != mOpaque) {
57        mOpaque = opaque;
58    }
59}
60
61void Description::setTexture(const Texture& texture) {
62    mTexture = texture;
63    mTextureEnabled = true;
64    mUniformsDirty = true;
65}
66
67void Description::disableTexture() {
68    mTextureEnabled = false;
69}
70
71void Description::setColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
72    mColor[0] = red;
73    mColor[1] = green;
74    mColor[2] = blue;
75    mColor[3] = alpha;
76    mUniformsDirty = true;
77}
78
79void Description::setProjectionMatrix(const mat4& mtx) {
80    mProjectionMatrix = mtx;
81    mUniformsDirty = true;
82}
83
84} /* namespace android */
85