Introduce Caches::bindTexture() to reduce glBindTexture calls
Change-Id: Ic345422567c020c0a9035ff51dcf2ae2a1fc59f4
diff --git a/libs/hwui/Texture.cpp b/libs/hwui/Texture.cpp
new file mode 100644
index 0000000..e06227c
--- /dev/null
+++ b/libs/hwui/Texture.cpp
@@ -0,0 +1,80 @@
+/*
+ * 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),
+ 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),
+ 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);
+ }
+}
+
+}; // namespace uirenderer
+}; // namespace android