100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
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/*
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* Copyright 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <string.h>
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#include <utils/TypeHelpers.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include "Description.h"
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namespace android {
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Description::Description() :
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mUniformsDirty(true) {
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mPlaneAlpha = 1.0f;
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mPremultipliedAlpha = true;
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mOpaque = true;
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mTextureTarget = GL_TEXTURE_EXTERNAL_OES;
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const GLfloat m[16] = {1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1 };
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memset(mColor, 0, sizeof(mColor));
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memcpy(mProjectionMatrix, m, sizeof(mProjectionMatrix));
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memcpy(mTextureMatrix, m, sizeof(mTextureMatrix));
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}
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Description::~Description() {
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}
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void Description::setPlaneAlpha(GLclampf planeAlpha) {
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if (planeAlpha != mPlaneAlpha) {
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mUniformsDirty = true;
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mPlaneAlpha = planeAlpha;
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}
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}
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void Description::setPremultipliedAlpha(bool premultipliedAlpha) {
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if (premultipliedAlpha != mPremultipliedAlpha) {
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mPremultipliedAlpha = premultipliedAlpha;
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}
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}
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void Description::setOpaque(bool opaque) {
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if (opaque != mOpaque) {
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mOpaque = opaque;
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}
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}
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void Description::setTextureName(GLenum target, GLuint tname) {
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if (target != mTextureTarget) {
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mTextureTarget = target;
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}
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if (tname != mTextureName) {
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mTextureName = tname;
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mUniformsDirty = true;
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}
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}
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void Description::disableTexture() {
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if (mTextureTarget != 0) {
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mTextureTarget = 0;
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}
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mTextureName = 0;
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}
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void Description::setColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
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mColor[0] = red;
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mColor[1] = green;
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mColor[2] = blue;
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mColor[3] = alpha;
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mUniformsDirty = true;
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}
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void Description::setProjectionMatrix(GLfloat const* mtx) {
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memcpy(mProjectionMatrix, mtx, sizeof(mProjectionMatrix));
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mUniformsDirty = true;
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}
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void Description::setTextureMatrix(GLfloat const* mtx) {
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memcpy(mTextureMatrix, mtx, sizeof(mTextureMatrix));
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mUniformsDirty = true;
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}
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} /* namespace android */
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