141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
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/*
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** Copyright 2006, 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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#ifndef ANDROID_OPENGLES_SURFACE_H
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#define ANDROID_OPENGLES_SURFACE_H
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#include <stdint.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <utils/Atomic.h>
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#include <utils/threads.h>
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#include <utils/RefBase.h>
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#include <utils/KeyedVector.h>
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#include <utils/Errors.h>
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#include <private/pixelflinger/ggl_context.h>
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#include <GLES/gl.h>
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#include "Tokenizer.h"
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#include "TokenManager.h"
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namespace android {
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// ----------------------------------------------------------------------------
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class EGLTextureObject
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{
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public:
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EGLTextureObject();
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~EGLTextureObject();
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// protocol for sp<>
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inline void incStrong(const void* id) const;
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inline void decStrong(const void* id) const;
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inline uint32_t getStrongCount() const;
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status_t setSurface(GGLSurface const* s);
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status_t reallocate(GLint level,
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int w, int h, int s,
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int format, int compressedFormat, int bpr);
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inline size_t size() const;
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const GGLSurface& mip(int lod) const;
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GGLSurface& editMip(int lod);
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bool hasMipmaps() const { return mMipmaps!=0; }
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bool isComplete() const { return mIsComplete; }
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void copyParameters(const sp<EGLTextureObject>& old);
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private:
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status_t allocateMipmaps();
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void freeMipmaps();
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void init();
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mutable int32_t mCount;
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size_t mSize;
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GGLSurface *mMipmaps;
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int mNumExtraLod;
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bool mIsComplete;
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public:
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GGLSurface surface;
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GLenum wraps;
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GLenum wrapt;
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GLenum min_filter;
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GLenum mag_filter;
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GLenum internalformat;
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GLint crop_rect[4];
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GLint generate_mipmap;
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GLint direct;
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};
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void EGLTextureObject::incStrong(const void* id) const {
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android_atomic_inc(&mCount);
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}
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void EGLTextureObject::decStrong(const void* id) const {
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if (android_atomic_dec(&mCount) == 1) {
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delete this;
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}
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}
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uint32_t EGLTextureObject::getStrongCount() const {
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return mCount;
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}
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size_t EGLTextureObject::size() const {
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return mSize;
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}
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// ----------------------------------------------------------------------------
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class EGLSurfaceManager : public TokenManager
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{
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public:
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EGLSurfaceManager();
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~EGLSurfaceManager();
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// protocol for sp<>
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inline void incStrong(const void* id) const;
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inline void decStrong(const void* id) const;
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typedef void weakref_type;
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sp<EGLTextureObject> createTexture(GLuint name);
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sp<EGLTextureObject> removeTexture(GLuint name);
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sp<EGLTextureObject> replaceTexture(GLuint name);
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void deleteTextures(GLsizei n, const GLuint *tokens);
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sp<EGLTextureObject> texture(GLuint name);
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private:
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mutable int32_t mCount;
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mutable Mutex mLock;
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KeyedVector< GLuint, sp<EGLTextureObject> > mTextures;
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};
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void EGLSurfaceManager::incStrong(const void* id) const {
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android_atomic_inc(&mCount);
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}
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void EGLSurfaceManager::decStrong(const void* id) const {
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if (android_atomic_dec(&mCount) == 1) {
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delete this;
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}
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_OPENGLES_SURFACE_H
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