1 // 2 // Copyright 2014 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // TextureImpl.h: Defines the abstract rx::TextureImpl classes. 8 9 #ifndef LIBANGLE_RENDERER_TEXTUREIMPL_H_ 10 #define LIBANGLE_RENDERER_TEXTUREIMPL_H_ 11 12 #include <stdint.h> 13 14 #include "angle_gl.h" 15 #include "common/angleutils.h" 16 #include "libANGLE/Error.h" 17 #include "libANGLE/ImageIndex.h" 18 #include "libANGLE/Stream.h" 19 #include "libANGLE/Texture.h" 20 #include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h" 21 22 namespace egl 23 { 24 class Surface; 25 class Image; 26 } // namespace egl 27 28 namespace gl 29 { 30 struct Box; 31 struct Extents; 32 struct Offset; 33 struct Rectangle; 34 class Framebuffer; 35 class MemoryObject; 36 struct PixelUnpackState; 37 class TextureState; 38 } // namespace gl 39 40 namespace rx 41 { 42 class ContextImpl; 43 44 class TextureImpl : public FramebufferAttachmentObjectImpl, public angle::Subject 45 { 46 public: 47 TextureImpl(const gl::TextureState &state); 48 ~TextureImpl() override; 49 50 virtual void onDestroy(const gl::Context *context); 51 52 virtual angle::Result setImage(const gl::Context *context, 53 const gl::ImageIndex &index, 54 GLenum internalFormat, 55 const gl::Extents &size, 56 GLenum format, 57 GLenum type, 58 const gl::PixelUnpackState &unpack, 59 gl::Buffer *unpackBuffer, 60 const uint8_t *pixels) = 0; 61 virtual angle::Result setSubImage(const gl::Context *context, 62 const gl::ImageIndex &index, 63 const gl::Box &area, 64 GLenum format, 65 GLenum type, 66 const gl::PixelUnpackState &unpack, 67 gl::Buffer *unpackBuffer, 68 const uint8_t *pixels) = 0; 69 70 virtual angle::Result setCompressedImage(const gl::Context *context, 71 const gl::ImageIndex &index, 72 GLenum internalFormat, 73 const gl::Extents &size, 74 const gl::PixelUnpackState &unpack, 75 size_t imageSize, 76 const uint8_t *pixels) = 0; 77 virtual angle::Result setCompressedSubImage(const gl::Context *context, 78 const gl::ImageIndex &index, 79 const gl::Box &area, 80 GLenum format, 81 const gl::PixelUnpackState &unpack, 82 size_t imageSize, 83 const uint8_t *pixels) = 0; 84 85 virtual angle::Result copyImage(const gl::Context *context, 86 const gl::ImageIndex &index, 87 const gl::Rectangle &sourceArea, 88 GLenum internalFormat, 89 gl::Framebuffer *source) = 0; 90 virtual angle::Result copySubImage(const gl::Context *context, 91 const gl::ImageIndex &index, 92 const gl::Offset &destOffset, 93 const gl::Rectangle &sourceArea, 94 gl::Framebuffer *source) = 0; 95 96 virtual angle::Result copyTexture(const gl::Context *context, 97 const gl::ImageIndex &index, 98 GLenum internalFormat, 99 GLenum type, 100 size_t sourceLevel, 101 bool unpackFlipY, 102 bool unpackPremultiplyAlpha, 103 bool unpackUnmultiplyAlpha, 104 const gl::Texture *source); 105 virtual angle::Result copySubTexture(const gl::Context *context, 106 const gl::ImageIndex &index, 107 const gl::Offset &destOffset, 108 size_t sourceLevel, 109 const gl::Box &sourceBox, 110 bool unpackFlipY, 111 bool unpackPremultiplyAlpha, 112 bool unpackUnmultiplyAlpha, 113 const gl::Texture *source); 114 115 virtual angle::Result copyCompressedTexture(const gl::Context *context, 116 const gl::Texture *source); 117 118 virtual angle::Result copy3DTexture(const gl::Context *context, 119 gl::TextureTarget target, 120 GLenum internalFormat, 121 GLenum type, 122 size_t sourceLevel, 123 size_t destLevel, 124 bool unpackFlipY, 125 bool unpackPremultiplyAlpha, 126 bool unpackUnmultiplyAlpha, 127 const gl::Texture *source); 128 virtual angle::Result copy3DSubTexture(const gl::Context *context, 129 const gl::TextureTarget target, 130 const gl::Offset &destOffset, 131 size_t sourceLevel, 132 size_t destLevel, 133 const gl::Box &srcBox, 134 bool unpackFlipY, 135 bool unpackPremultiplyAlpha, 136 bool unpackUnmultiplyAlpha, 137 const gl::Texture *source); 138 139 virtual angle::Result setStorage(const gl::Context *context, 140 gl::TextureType type, 141 size_t levels, 142 GLenum internalFormat, 143 const gl::Extents &size) = 0; 144 145 virtual angle::Result setStorageMultisample(const gl::Context *context, 146 gl::TextureType type, 147 GLsizei samples, 148 GLint internalformat, 149 const gl::Extents &size, 150 bool fixedSampleLocations) = 0; 151 152 virtual angle::Result setStorageExternalMemory(const gl::Context *context, 153 gl::TextureType type, 154 size_t levels, 155 GLenum internalFormat, 156 const gl::Extents &size, 157 gl::MemoryObject *memoryObject, 158 GLuint64 offset) = 0; 159 160 virtual angle::Result setImageExternal(const gl::Context *context, 161 const gl::ImageIndex &index, 162 GLenum internalFormat, 163 const gl::Extents &size, 164 GLenum format, 165 GLenum type); 166 167 virtual angle::Result setEGLImageTarget(const gl::Context *context, 168 gl::TextureType type, 169 egl::Image *image) = 0; 170 171 virtual angle::Result setImageExternal(const gl::Context *context, 172 gl::TextureType type, 173 egl::Stream *stream, 174 const egl::Stream::GLTextureDescription &desc) = 0; 175 176 virtual angle::Result generateMipmap(const gl::Context *context) = 0; 177 178 virtual angle::Result setBaseLevel(const gl::Context *context, GLuint baseLevel) = 0; 179 180 virtual angle::Result bindTexImage(const gl::Context *context, egl::Surface *surface) = 0; 181 virtual angle::Result releaseTexImage(const gl::Context *context) = 0; 182 183 // Override if accurate native memory size information is available 184 virtual GLint getMemorySize() const; 185 virtual GLint getLevelMemorySize(gl::TextureTarget target, GLint level); 186 187 virtual GLint getNativeID() const; 188 189 virtual angle::Result syncState(const gl::Context *context, 190 const gl::Texture::DirtyBits &dirtyBits) = 0; 191 192 virtual GLenum getColorReadFormat(const gl::Context *context); 193 virtual GLenum getColorReadType(const gl::Context *context); 194 195 virtual angle::Result getTexImage(const gl::Context *context, 196 const gl::PixelPackState &packState, 197 gl::Buffer *packBuffer, 198 gl::TextureTarget target, 199 GLint level, 200 GLenum format, 201 GLenum type, 202 void *pixels); 203 204 protected: 205 const gl::TextureState &mState; 206 }; 207 208 } // namespace rx 209 210 #endif // LIBANGLE_RENDERER_TEXTUREIMPL_H_ 211