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Diffstat (limited to 'libs/hwui/Texture.h')
| -rw-r--r-- | libs/hwui/Texture.h | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/libs/hwui/Texture.h b/libs/hwui/Texture.h deleted file mode 100644 index 5b7e4e261f30..000000000000 --- a/libs/hwui/Texture.h +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright (C) 2010 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 ANDROID_HWUI_TEXTURE_H -#define ANDROID_HWUI_TEXTURE_H - -#include "GpuMemoryTracker.h" -#include "hwui/Bitmap.h" -#include "utils/Color.h" - -#include <memory> - -#include <math/mat3.h> - -#include <ui/ColorSpace.h> - -#include <EGL/egl.h> -#include <EGL/eglext.h> -#include <GLES2/gl2.h> -#include <GLES3/gl3.h> -#include <SkBitmap.h> - -namespace android { - -class GraphicBuffer; - -namespace uirenderer { - -class Caches; -class UvMapper; -class Layer; - -/** - * Represents an OpenGL texture. - */ -class Texture : public GpuMemoryTracker { -public: - static SkBitmap uploadToN32(const SkBitmap& bitmap, bool hasLinearBlending, - sk_sp<SkColorSpace> sRGB); - static bool hasUnsupportedColorType(const SkImageInfo& info, bool hasLinearBlending); - static void colorTypeToGlFormatAndType(const Caches& caches, SkColorType colorType, - bool needSRGB, GLint* outInternalFormat, - GLint* outFormat, GLint* outType); - - explicit Texture(Caches& caches) : GpuMemoryTracker(GpuObjectType::Texture), mCaches(caches) {} - - virtual ~Texture() {} - - inline void setWrap(GLenum wrap, bool bindTexture = false, bool force = false) { - setWrapST(wrap, wrap, bindTexture, force); - } - - virtual void setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture = false, - bool force = false); - - inline void setFilter(GLenum filter, bool bindTexture = false, bool force = false) { - setFilterMinMag(filter, filter, bindTexture, force); - } - - virtual void setFilterMinMag(GLenum min, GLenum mag, bool bindTexture = false, - bool force = false); - - /** - * Convenience method to call glDeleteTextures() on this texture's id. - */ - void deleteTexture(); - - /** - * Sets the width, height, and format of the texture along with allocating - * the texture ID. Does nothing if the width, height, and format are already - * the requested values. - * - * The image data is undefined after calling this. - */ - void resize(uint32_t width, uint32_t height, GLint internalFormat, GLint format) { - upload(internalFormat, width, height, format, - internalFormat == GL_RGBA16F ? GL_HALF_FLOAT : GL_UNSIGNED_BYTE, nullptr); - } - - /** - * Updates this Texture with the contents of the provided Bitmap, - * also setting the appropriate width, height, and format. It is not necessary - * to call resize() prior to this. - * - * Note this does not set the generation from the Bitmap. - */ - void upload(Bitmap& source); - - /** - * Basically glTexImage2D/glTexSubImage2D. - */ - void upload(GLint internalFormat, uint32_t width, uint32_t height, GLenum format, GLenum type, - const void* pixels); - - /** - * Wraps an existing texture. - */ - void wrap(GLuint id, uint32_t width, uint32_t height, GLint internalFormat, GLint format, - GLenum target); - - GLuint id() const { return mId; } - - uint32_t width() const { return mWidth; } - - uint32_t height() const { return mHeight; } - - GLint format() const { return mFormat; } - - GLint internalFormat() const { return mInternalFormat; } - - GLenum target() const { return mTarget; } - - /** - * Returns nullptr if this texture does not require color space conversion - * to sRGB, or a valid pointer to a ColorSpaceConnector if a conversion - * is required. - */ - constexpr const ColorSpaceConnector* getColorSpaceConnector() const { return mConnector.get(); } - - constexpr bool hasColorSpaceConversion() const { return mConnector.get() != nullptr; } - - TransferFunctionType getTransferFunctionType() const; - - /** - * Returns true if this texture uses a linear encoding format. - */ - constexpr bool isLinear() const { return mIsLinear; } - - /** - * Generation of the backing bitmap, - */ - uint32_t generation = 0; - /** - * Indicates whether the texture requires blending. - */ - bool blend = false; - /** - * Indicates whether this texture should be cleaned up after use. - */ - bool cleanup = false; - /** - * Optional, size of the original bitmap. - */ - uint32_t bitmapSize = 0; - /** - * Indicates whether this texture will use trilinear filtering. - */ - bool mipMap = false; - - /** - * Optional, pointer to a texture coordinates mapper. - */ - const UvMapper* uvMapper = nullptr; - - /** - * Whether or not the Texture is marked in use and thus not evictable for - * the current frame. This is reset at the start of a new frame. - */ - void* isInUse = nullptr; - -private: - // TODO: Temporarily grant private access to GlLayer, remove once - // GlLayer can be de-tangled from being a dual-purpose render target - // and external texture wrapper - friend class GlLayer; - - // Returns true if the texture layout (size, format, etc.) changed, false if it was the same - bool updateLayout(uint32_t width, uint32_t height, GLint internalFormat, GLint format, - GLenum target); - void uploadHardwareBitmapToTexture(GraphicBuffer* buffer); - void resetCachedParams(); - - GLuint mId = 0; - uint32_t mWidth = 0; - uint32_t mHeight = 0; - GLint mFormat = 0; - GLint mInternalFormat = 0; - GLenum mTarget = GL_NONE; - EGLImageKHR mEglImageHandle = EGL_NO_IMAGE_KHR; - - /* See GLES spec section 3.8.14 - * "In the initial state, the value assigned to TEXTURE_MIN_FILTER is - * NEAREST_MIPMAP_LINEAR and the value for TEXTURE_MAG_FILTER is LINEAR. - * s, t, and r wrap modes are all set to REPEAT." - */ - GLenum mWrapS = GL_REPEAT; - GLenum mWrapT = GL_REPEAT; - GLenum mMinFilter = GL_NEAREST_MIPMAP_LINEAR; - GLenum mMagFilter = GL_LINEAR; - - // Indicates whether the content of the texture is in linear space - bool mIsLinear = false; - - Caches& mCaches; - - std::unique_ptr<ColorSpaceConnector> mConnector; -}; // struct Texture - -class AutoTexture { -public: - explicit AutoTexture(Texture* texture) : texture(texture) {} - ~AutoTexture() { - if (texture && texture->cleanup) { - texture->deleteTexture(); - delete texture; - } - } - - Texture* const texture; -}; // class AutoTexture - -}; // namespace uirenderer -}; // namespace android - -#endif // ANDROID_HWUI_TEXTURE_H |