Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 1 | // |
| 2 | // Copyright (c) 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 | // FramebufferAttachment.h: Defines the wrapper class gl::FramebufferAttachment, as well as the |
| 8 | // objects and related functionality. [OpenGL ES 2.0.24] section 4.4.3 page 108. |
| 9 | |
| 10 | #ifndef LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |
| 11 | #define LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |
| 12 | |
| 13 | #include <GLES3/gl3.h> |
| 14 | #include <GLES2/gl2.h> |
| 15 | |
| 16 | #include "common/angleutils.h" |
| 17 | #include "common/RefCountObject.h" |
| 18 | |
| 19 | namespace rx |
| 20 | { |
| 21 | class Renderer; |
| 22 | class RenderTarget; |
| 23 | class TextureStorage; |
| 24 | } |
| 25 | |
| 26 | namespace gl |
| 27 | { |
| 28 | class Texture2D; |
| 29 | class TextureCubeMap; |
| 30 | class Texture3D; |
| 31 | class Texture2DArray; |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 32 | class FramebufferAttachmentImpl; |
| 33 | class Renderbuffer; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 34 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 35 | // FramebufferAttachment implements a GL framebuffer attachment. |
| 36 | // Attachments are "light" containers, which store pointers to ref-counted GL objects. |
| 37 | // We support GL texture (2D/3D/Cube/2D array) and renderbuffer object attachments. |
| 38 | // Note: Renderbuffers are specialized storage for depth and stencil buffes. Our old |
| 39 | // naming scheme used the term "Renderbuffer" for both GL renderbuffers and for |
| 40 | // framebuffer attachments, which confused their usage. |
| 41 | |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 42 | class FramebufferAttachment : public RefCountObject |
| 43 | { |
| 44 | public: |
Jamie Madill | 1e3fa74 | 2014-06-16 10:34:00 -0400 | [diff] [blame] | 45 | FramebufferAttachment(GLuint id, FramebufferAttachmentImpl *storage); |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 46 | |
| 47 | virtual ~FramebufferAttachment(); |
| 48 | |
| 49 | // These functions from RefCountObject are overloaded here because |
| 50 | // Textures need to maintain their own count of references to them via |
| 51 | // Renderbuffers/RenderbufferTextures. These functions invoke those |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 52 | // reference counting functions on the FramebufferAttachmentImpl. |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 53 | void addRef() const; |
| 54 | void release() const; |
| 55 | |
| 56 | rx::RenderTarget *getRenderTarget(); |
| 57 | rx::RenderTarget *getDepthStencil(); |
| 58 | rx::TextureStorage *getTextureStorage(); |
| 59 | |
| 60 | GLsizei getWidth() const; |
| 61 | GLsizei getHeight() const; |
| 62 | GLenum getInternalFormat() const; |
| 63 | GLenum getActualFormat() const; |
Jamie Madill | 1e3fa74 | 2014-06-16 10:34:00 -0400 | [diff] [blame] | 64 | GLuint getRedSize(int clientVersion) const; |
| 65 | GLuint getGreenSize(int clientVersion) const; |
| 66 | GLuint getBlueSize(int clientVersion) const; |
| 67 | GLuint getAlphaSize(int clientVersion) const; |
| 68 | GLuint getDepthSize(int clientVersion) const; |
| 69 | GLuint getStencilSize(int clientVersion) const; |
| 70 | GLenum getComponentType(int clientVersion) const; |
| 71 | GLenum getColorEncoding(int clientVersion) const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 72 | GLsizei getSamples() const; |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 73 | bool isTexture() const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 74 | |
| 75 | unsigned int getSerial() const; |
| 76 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 77 | GLuint id() const; |
| 78 | GLenum type() const; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 79 | GLint mipLevel() const; |
| 80 | GLint layer() const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 81 | unsigned int getTextureSerial() const; |
| 82 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 83 | void setImplementation(FramebufferAttachmentImpl *newImpl); |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 84 | |
| 85 | private: |
| 86 | DISALLOW_COPY_AND_ASSIGN(FramebufferAttachment); |
| 87 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 88 | FramebufferAttachmentImpl *mImpl; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 89 | }; |
| 90 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 91 | class FramebufferAttachmentImpl |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 92 | { |
| 93 | public: |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 94 | FramebufferAttachmentImpl(); |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 95 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 96 | virtual ~FramebufferAttachmentImpl() {}; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 97 | |
| 98 | virtual void addProxyRef(const FramebufferAttachment *proxy); |
| 99 | virtual void releaseProxy(const FramebufferAttachment *proxy); |
| 100 | |
| 101 | virtual rx::RenderTarget *getRenderTarget() = 0; |
| 102 | virtual rx::RenderTarget *getDepthStencil() = 0; |
| 103 | virtual rx::TextureStorage *getTextureStorage() = 0; |
| 104 | |
| 105 | virtual GLsizei getWidth() const = 0; |
| 106 | virtual GLsizei getHeight() const = 0; |
| 107 | virtual GLenum getInternalFormat() const = 0; |
| 108 | virtual GLenum getActualFormat() const = 0; |
| 109 | virtual GLsizei getSamples() const = 0; |
| 110 | |
| 111 | virtual unsigned int getSerial() const = 0; |
| 112 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 113 | virtual GLuint id() const = 0; |
| 114 | virtual GLenum type() const = 0; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 115 | virtual GLint mipLevel() const = 0; |
| 116 | virtual GLint layer() const = 0; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 117 | virtual unsigned int getTextureSerial() const = 0; |
| 118 | |
| 119 | private: |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 120 | DISALLOW_COPY_AND_ASSIGN(FramebufferAttachmentImpl); |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 121 | }; |
| 122 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 123 | class Texture2DAttachment : public FramebufferAttachmentImpl |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 124 | { |
| 125 | public: |
| 126 | Texture2DAttachment(Texture2D *texture, GLint level); |
| 127 | |
| 128 | virtual ~Texture2DAttachment(); |
| 129 | |
| 130 | void addProxyRef(const FramebufferAttachment *proxy); |
| 131 | void releaseProxy(const FramebufferAttachment *proxy); |
| 132 | |
| 133 | rx::RenderTarget *getRenderTarget(); |
| 134 | rx::RenderTarget *getDepthStencil(); |
| 135 | rx::TextureStorage *getTextureStorage(); |
| 136 | |
| 137 | virtual GLsizei getWidth() const; |
| 138 | virtual GLsizei getHeight() const; |
| 139 | virtual GLenum getInternalFormat() const; |
| 140 | virtual GLenum getActualFormat() const; |
| 141 | virtual GLsizei getSamples() const; |
| 142 | |
| 143 | virtual unsigned int getSerial() const; |
| 144 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 145 | virtual GLuint id() const; |
| 146 | virtual GLenum type() const; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 147 | virtual GLint mipLevel() const; |
| 148 | virtual GLint layer() const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 149 | virtual unsigned int getTextureSerial() const; |
| 150 | |
| 151 | private: |
| 152 | DISALLOW_COPY_AND_ASSIGN(Texture2DAttachment); |
| 153 | |
| 154 | BindingPointer <Texture2D> mTexture2D; |
| 155 | const GLint mLevel; |
| 156 | }; |
| 157 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 158 | class TextureCubeMapAttachment : public FramebufferAttachmentImpl |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 159 | { |
| 160 | public: |
| 161 | TextureCubeMapAttachment(TextureCubeMap *texture, GLenum faceTarget, GLint level); |
| 162 | |
| 163 | virtual ~TextureCubeMapAttachment(); |
| 164 | |
| 165 | void addProxyRef(const FramebufferAttachment *proxy); |
| 166 | void releaseProxy(const FramebufferAttachment *proxy); |
| 167 | |
| 168 | rx::RenderTarget *getRenderTarget(); |
| 169 | rx::RenderTarget *getDepthStencil(); |
| 170 | rx::TextureStorage *getTextureStorage(); |
| 171 | |
| 172 | virtual GLsizei getWidth() const; |
| 173 | virtual GLsizei getHeight() const; |
| 174 | virtual GLenum getInternalFormat() const; |
| 175 | virtual GLenum getActualFormat() const; |
| 176 | virtual GLsizei getSamples() const; |
| 177 | |
| 178 | virtual unsigned int getSerial() const; |
| 179 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 180 | virtual GLuint id() const; |
| 181 | virtual GLenum type() const; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 182 | virtual GLint mipLevel() const; |
| 183 | virtual GLint layer() const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 184 | virtual unsigned int getTextureSerial() const; |
| 185 | |
| 186 | private: |
| 187 | DISALLOW_COPY_AND_ASSIGN(TextureCubeMapAttachment); |
| 188 | |
| 189 | BindingPointer <TextureCubeMap> mTextureCubeMap; |
| 190 | const GLint mLevel; |
| 191 | const GLenum mFaceTarget; |
| 192 | }; |
| 193 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 194 | class Texture3DAttachment : public FramebufferAttachmentImpl |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 195 | { |
| 196 | public: |
| 197 | Texture3DAttachment(Texture3D *texture, GLint level, GLint layer); |
| 198 | |
| 199 | virtual ~Texture3DAttachment(); |
| 200 | |
| 201 | void addProxyRef(const FramebufferAttachment *proxy); |
| 202 | void releaseProxy(const FramebufferAttachment *proxy); |
| 203 | |
| 204 | rx::RenderTarget *getRenderTarget(); |
| 205 | rx::RenderTarget *getDepthStencil(); |
| 206 | rx::TextureStorage *getTextureStorage(); |
| 207 | |
| 208 | virtual GLsizei getWidth() const; |
| 209 | virtual GLsizei getHeight() const; |
| 210 | virtual GLenum getInternalFormat() const; |
| 211 | virtual GLenum getActualFormat() const; |
| 212 | virtual GLsizei getSamples() const; |
| 213 | |
| 214 | virtual unsigned int getSerial() const; |
| 215 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 216 | virtual GLuint id() const; |
| 217 | virtual GLenum type() const; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 218 | virtual GLint mipLevel() const; |
| 219 | virtual GLint layer() const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 220 | virtual unsigned int getTextureSerial() const; |
| 221 | |
| 222 | private: |
| 223 | DISALLOW_COPY_AND_ASSIGN(Texture3DAttachment); |
| 224 | |
| 225 | BindingPointer<Texture3D> mTexture3D; |
| 226 | const GLint mLevel; |
| 227 | const GLint mLayer; |
| 228 | }; |
| 229 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 230 | class Texture2DArrayAttachment : public FramebufferAttachmentImpl |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 231 | { |
| 232 | public: |
| 233 | Texture2DArrayAttachment(Texture2DArray *texture, GLint level, GLint layer); |
| 234 | |
| 235 | virtual ~Texture2DArrayAttachment(); |
| 236 | |
| 237 | void addProxyRef(const FramebufferAttachment *proxy); |
| 238 | void releaseProxy(const FramebufferAttachment *proxy); |
| 239 | |
| 240 | rx::RenderTarget *getRenderTarget(); |
| 241 | rx::RenderTarget *getDepthStencil(); |
| 242 | rx::TextureStorage *getTextureStorage(); |
| 243 | |
| 244 | virtual GLsizei getWidth() const; |
| 245 | virtual GLsizei getHeight() const; |
| 246 | virtual GLenum getInternalFormat() const; |
| 247 | virtual GLenum getActualFormat() const; |
| 248 | virtual GLsizei getSamples() const; |
| 249 | |
| 250 | virtual unsigned int getSerial() const; |
| 251 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 252 | virtual GLuint id() const; |
| 253 | virtual GLenum type() const; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 254 | virtual GLint mipLevel() const; |
| 255 | virtual GLint layer() const; |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 256 | virtual unsigned int getTextureSerial() const; |
| 257 | |
| 258 | private: |
| 259 | DISALLOW_COPY_AND_ASSIGN(Texture2DArrayAttachment); |
| 260 | |
| 261 | BindingPointer<Texture2DArray> mTexture2DArray; |
| 262 | const GLint mLevel; |
| 263 | const GLint mLayer; |
| 264 | }; |
| 265 | |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 266 | class RenderbufferAttachment : public FramebufferAttachmentImpl |
| 267 | { |
| 268 | public: |
| 269 | RenderbufferAttachment(Renderbuffer *renderbuffer); |
| 270 | |
| 271 | virtual ~RenderbufferAttachment(); |
| 272 | |
| 273 | rx::RenderTarget *getRenderTarget(); |
| 274 | rx::RenderTarget *getDepthStencil(); |
| 275 | rx::TextureStorage *getTextureStorage(); |
| 276 | |
| 277 | virtual GLsizei getWidth() const; |
| 278 | virtual GLsizei getHeight() const; |
| 279 | virtual GLenum getInternalFormat() const; |
| 280 | virtual GLenum getActualFormat() const; |
| 281 | virtual GLsizei getSamples() const; |
| 282 | |
| 283 | virtual unsigned int getSerial() const; |
| 284 | |
Jamie Madill | 218b6ed | 2014-06-16 10:34:01 -0400 | [diff] [blame] | 285 | virtual GLuint id() const; |
| 286 | virtual GLenum type() const; |
Jamie Madill | 9c074a3 | 2014-06-16 10:34:02 -0400 | [diff] [blame^] | 287 | virtual GLint mipLevel() const; |
| 288 | virtual GLint layer() const; |
Jamie Madill | 6c7b4ad | 2014-06-16 10:33:59 -0400 | [diff] [blame] | 289 | virtual unsigned int getTextureSerial() const; |
| 290 | |
| 291 | private: |
| 292 | DISALLOW_COPY_AND_ASSIGN(RenderbufferAttachment); |
| 293 | |
| 294 | BindingPointer<Renderbuffer> mRenderbuffer; |
| 295 | }; |
| 296 | |
Jamie Madill | afc21c0 | 2014-06-04 15:29:47 -0400 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | #endif // LIBGLESV2_FRAMEBUFFERATTACHMENT_H_ |