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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "OpenGLRenderer"
#include <utils/Log.h>
#include "Caches.h"
#include "Texture.h"
namespace android {
namespace uirenderer {
Texture::Texture(): id(0), generation(0), blend(false), width(0), height(0),
cleanup(false), bitmapSize(0), mipMap(false), uvMapper(NULL), isInUse(false),
mWrapS(GL_CLAMP_TO_EDGE), mWrapT(GL_CLAMP_TO_EDGE),
mMinFilter(GL_NEAREST), mMagFilter(GL_NEAREST),
mFirstFilter(true), mFirstWrap(true), mCaches(Caches::getInstance()) {
}
Texture::Texture(Caches& caches): id(0), generation(0), blend(false), width(0), height(0),
cleanup(false), bitmapSize(0), mipMap(false), uvMapper(NULL), isInUse(false),
mWrapS(GL_CLAMP_TO_EDGE), mWrapT(GL_CLAMP_TO_EDGE),
mMinFilter(GL_NEAREST), mMagFilter(GL_NEAREST),
mFirstFilter(true), mFirstWrap(true), mCaches(caches) {
}
void Texture::setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture, bool force,
GLenum renderTarget) {
if (mFirstWrap || force || wrapS != mWrapS || wrapT != mWrapT) {
mFirstWrap = false;
mWrapS = wrapS;
mWrapT = wrapT;
if (bindTexture) {
mCaches.bindTexture(renderTarget, id);
}
glTexParameteri(renderTarget, GL_TEXTURE_WRAP_S, wrapS);
glTexParameteri(renderTarget, GL_TEXTURE_WRAP_T, wrapT);
}
}
void Texture::setFilterMinMag(GLenum min, GLenum mag, bool bindTexture, bool force,
GLenum renderTarget) {
if (mFirstFilter || force || min != mMinFilter || mag != mMagFilter) {
mFirstFilter = false;
mMinFilter = min;
mMagFilter = mag;
if (bindTexture) {
mCaches.bindTexture(renderTarget, id);
}
if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR;
glTexParameteri(renderTarget, GL_TEXTURE_MIN_FILTER, min);
glTexParameteri(renderTarget, GL_TEXTURE_MAG_FILTER, mag);
}
}
void Texture::deleteTexture() const {
mCaches.deleteTexture(id);
}
}; // namespace uirenderer
}; // namespace android
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