Move more GL state management to RenderState and its directory
Change-Id: Ic68584e1c08dc64be2ad43450cb6caa1de834fdc
diff --git a/libs/hwui/renderstate/PixelBufferState.cpp b/libs/hwui/renderstate/PixelBufferState.cpp
new file mode 100644
index 0000000..c23af52
--- /dev/null
+++ b/libs/hwui/renderstate/PixelBufferState.cpp
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+#include "renderstate/PixelBufferState.h"
+
+namespace android {
+namespace uirenderer {
+
+PixelBufferState::PixelBufferState()
+ : mCurrentPixelBuffer(0) {
+}
+
+bool PixelBufferState::bind(GLuint buffer) {
+ if (mCurrentPixelBuffer != buffer) {
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
+ mCurrentPixelBuffer = buffer;
+ return true;
+ }
+ return false;
+}
+
+bool PixelBufferState::unbind() {
+ if (mCurrentPixelBuffer) {
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
+ mCurrentPixelBuffer = 0;
+ return true;
+ }
+ return false;
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
+