Revert "TextureView Vulkan support and optimized OpenGL draw"
This reverts commit c8e22a653297837da9a80b0ba65f6854c8986c96.
Reason for revert: broke camera, b/113555199
Bug: 113555199
Change-Id: Iae9b462694d5de0cd99427afead63b567fb4d71d
diff --git a/libs/hwui/renderstate/TextureState.h b/libs/hwui/renderstate/TextureState.h
new file mode 100644
index 0000000..f1996d4
--- /dev/null
+++ b/libs/hwui/renderstate/TextureState.h
@@ -0,0 +1,98 @@
+/*
+ * 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.
+ */
+#ifndef RENDERSTATE_TEXTURESTATE_H
+#define RENDERSTATE_TEXTURESTATE_H
+
+#include "Texture.h"
+#include "Vertex.h"
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+class Texture;
+
+class TextureState {
+ friend class Caches; // TODO: move to RenderState
+public:
+ void constructTexture(Caches& caches);
+
+ /**
+ * Activate the specified texture unit. The texture unit must
+ * be specified using an integer number (0 for GL_TEXTURE0 etc.)
+ */
+ void activateTexture(GLuint textureUnit);
+
+ /**
+ * Invalidate the cached value of the active texture unit.
+ */
+ void resetActiveTexture();
+
+ /**
+ * Binds the specified texture as a GL_TEXTURE_2D texture.
+ * All texture bindings must be performed with this method or
+ * bindTexture(GLenum, GLuint).
+ */
+ void bindTexture(GLuint texture);
+
+ /**
+ * Binds the specified texture with the specified render target.
+ * All texture bindings must be performed with this method or
+ * bindTexture(GLuint).
+ */
+ void bindTexture(GLenum target, GLuint texture);
+
+ /**
+ * Deletes the specified texture and clears it from the cache
+ * of bound textures.
+ * All textures must be deleted using this method.
+ */
+ void deleteTexture(GLuint texture);
+
+ /**
+ * Signals that the cache of bound textures should be cleared.
+ * Other users of the context may have altered which textures are bound.
+ */
+ void resetBoundTextures();
+
+ /**
+ * Clear the cache of bound textures.
+ */
+ void unbindTexture(GLuint texture);
+
+ Texture* getShadowLutTexture() { return mShadowLutTexture.get(); }
+
+private:
+ // total number of texture units available for use
+ static const int kTextureUnitsCount = 4;
+
+ TextureState();
+ ~TextureState();
+ GLuint mTextureUnit;
+
+ // Caches texture bindings for the GL_TEXTURE_2D target
+ GLuint mBoundTextures[kTextureUnitsCount];
+
+ std::unique_ptr<Texture> mShadowLutTexture;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif // RENDERSTATE_BLEND_H