| 1 | /**************************************************************************/ |
| 2 | /* texture_storage.h */ |
| 3 | /**************************************************************************/ |
| 4 | /* This file is part of: */ |
| 5 | /* GODOT ENGINE */ |
| 6 | /* https://godotengine.org */ |
| 7 | /**************************************************************************/ |
| 8 | /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ |
| 9 | /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ |
| 10 | /* */ |
| 11 | /* Permission is hereby granted, free of charge, to any person obtaining */ |
| 12 | /* a copy of this software and associated documentation files (the */ |
| 13 | /* "Software"), to deal in the Software without restriction, including */ |
| 14 | /* without limitation the rights to use, copy, modify, merge, publish, */ |
| 15 | /* distribute, sublicense, and/or sell copies of the Software, and to */ |
| 16 | /* permit persons to whom the Software is furnished to do so, subject to */ |
| 17 | /* the following conditions: */ |
| 18 | /* */ |
| 19 | /* The above copyright notice and this permission notice shall be */ |
| 20 | /* included in all copies or substantial portions of the Software. */ |
| 21 | /* */ |
| 22 | /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ |
| 23 | /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ |
| 24 | /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ |
| 25 | /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ |
| 26 | /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ |
| 27 | /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ |
| 28 | /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| 29 | /**************************************************************************/ |
| 30 | |
| 31 | #ifndef TEXTURE_STORAGE_GLES3_H |
| 32 | #define TEXTURE_STORAGE_GLES3_H |
| 33 | |
| 34 | #ifdef GLES3_ENABLED |
| 35 | |
| 36 | #include "config.h" |
| 37 | #include "core/os/os.h" |
| 38 | #include "core/templates/rid_owner.h" |
| 39 | #include "servers/rendering/renderer_compositor.h" |
| 40 | #include "servers/rendering/storage/texture_storage.h" |
| 41 | |
| 42 | #include "drivers/gles3/shaders/canvas_sdf.glsl.gen.h" |
| 43 | |
| 44 | // This must come first to avoid windows.h mess |
| 45 | #include "platform_config.h" |
| 46 | #ifndef OPENGL_INCLUDE_H |
| 47 | #include <GLES3/gl3.h> |
| 48 | #else |
| 49 | #include OPENGL_INCLUDE_H |
| 50 | #endif |
| 51 | |
| 52 | namespace GLES3 { |
| 53 | |
| 54 | #define _GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE |
| 55 | #define _GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF |
| 56 | |
| 57 | #define _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1 |
| 58 | #define _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2 |
| 59 | #define _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3 |
| 60 | |
| 61 | #define _EXT_COMPRESSED_RED_RGTC1_EXT 0x8DBB |
| 62 | #define _EXT_COMPRESSED_RED_RGTC1 0x8DBB |
| 63 | #define _EXT_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC |
| 64 | #define _EXT_COMPRESSED_RG_RGTC2 0x8DBD |
| 65 | #define _EXT_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE |
| 66 | #define _EXT_COMPRESSED_SIGNED_RED_RGTC1_EXT 0x8DBC |
| 67 | #define _EXT_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD |
| 68 | #define _EXT_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT 0x8DBE |
| 69 | #define _EXT_ETC1_RGB8_OES 0x8D64 |
| 70 | |
| 71 | #define _EXT_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C |
| 72 | #define _EXT_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D |
| 73 | #define _EXT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E |
| 74 | #define _EXT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F |
| 75 | |
| 76 | #define _EXT_COMPRESSED_R11_EAC 0x9270 |
| 77 | #define _EXT_COMPRESSED_SIGNED_R11_EAC 0x9271 |
| 78 | #define _EXT_COMPRESSED_RG11_EAC 0x9272 |
| 79 | #define _EXT_COMPRESSED_SIGNED_RG11_EAC 0x9273 |
| 80 | #define _EXT_COMPRESSED_RGB8_ETC2 0x9274 |
| 81 | #define _EXT_COMPRESSED_SRGB8_ETC2 0x9275 |
| 82 | #define _EXT_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276 |
| 83 | #define _EXT_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277 |
| 84 | #define _EXT_COMPRESSED_RGBA8_ETC2_EAC 0x9278 |
| 85 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279 |
| 86 | |
| 87 | #define _EXT_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0 |
| 88 | #define _EXT_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1 |
| 89 | #define _EXT_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2 |
| 90 | #define _EXT_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3 |
| 91 | #define _EXT_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4 |
| 92 | #define _EXT_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5 |
| 93 | #define _EXT_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6 |
| 94 | #define _EXT_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7 |
| 95 | #define _EXT_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8 |
| 96 | #define _EXT_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9 |
| 97 | #define _EXT_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA |
| 98 | #define _EXT_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB |
| 99 | #define _EXT_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC |
| 100 | #define _EXT_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD |
| 101 | |
| 102 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0 |
| 103 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1 |
| 104 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2 |
| 105 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3 |
| 106 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4 |
| 107 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5 |
| 108 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6 |
| 109 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7 |
| 110 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8 |
| 111 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9 |
| 112 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA |
| 113 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB |
| 114 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC |
| 115 | #define _EXT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD |
| 116 | |
| 117 | #define _GL_TEXTURE_EXTERNAL_OES 0x8D65 |
| 118 | |
| 119 | #define _EXT_TEXTURE_CUBE_MAP_SEAMLESS 0x884F |
| 120 | |
| 121 | #ifndef GLES_OVER_GL |
| 122 | #define glClearDepth glClearDepthf |
| 123 | #endif //!GLES_OVER_GL |
| 124 | |
| 125 | enum DefaultGLTexture { |
| 126 | DEFAULT_GL_TEXTURE_WHITE, |
| 127 | DEFAULT_GL_TEXTURE_BLACK, |
| 128 | DEFAULT_GL_TEXTURE_TRANSPARENT, |
| 129 | DEFAULT_GL_TEXTURE_NORMAL, |
| 130 | DEFAULT_GL_TEXTURE_ANISO, |
| 131 | DEFAULT_GL_TEXTURE_DEPTH, |
| 132 | DEFAULT_GL_TEXTURE_CUBEMAP_BLACK, |
| 133 | //DEFAULT_GL_TEXTURE_CUBEMAP_ARRAY_BLACK, // Cubemap Arrays not supported in GL 3.3 or GL ES 3.0 |
| 134 | DEFAULT_GL_TEXTURE_CUBEMAP_WHITE, |
| 135 | DEFAULT_GL_TEXTURE_3D_WHITE, |
| 136 | DEFAULT_GL_TEXTURE_3D_BLACK, |
| 137 | DEFAULT_GL_TEXTURE_2D_ARRAY_WHITE, |
| 138 | DEFAULT_GL_TEXTURE_2D_UINT, |
| 139 | DEFAULT_GL_TEXTURE_MAX |
| 140 | }; |
| 141 | |
| 142 | struct CanvasTexture { |
| 143 | RID diffuse; |
| 144 | RID normal_map; |
| 145 | RID specular; |
| 146 | Color specular_color = Color(1, 1, 1, 1); |
| 147 | float shininess = 1.0; |
| 148 | |
| 149 | RS::CanvasItemTextureFilter texture_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_DEFAULT; |
| 150 | RS::CanvasItemTextureRepeat texture_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DEFAULT; |
| 151 | }; |
| 152 | |
| 153 | struct RenderTarget; |
| 154 | |
| 155 | struct Texture { |
| 156 | RID self; |
| 157 | |
| 158 | bool is_proxy = false; |
| 159 | bool is_external = false; |
| 160 | bool is_render_target = false; |
| 161 | |
| 162 | RID proxy_to; |
| 163 | Vector<RID> proxies; |
| 164 | |
| 165 | String path; |
| 166 | int width = 0; |
| 167 | int height = 0; |
| 168 | int depth = 0; |
| 169 | int mipmaps = 1; |
| 170 | int layers = 1; |
| 171 | int alloc_width = 0; |
| 172 | int alloc_height = 0; |
| 173 | Image::Format format = Image::FORMAT_R8; |
| 174 | Image::Format real_format = Image::FORMAT_R8; |
| 175 | |
| 176 | enum Type { |
| 177 | TYPE_2D, |
| 178 | TYPE_LAYERED, |
| 179 | TYPE_3D |
| 180 | }; |
| 181 | |
| 182 | Type type; |
| 183 | RS::TextureLayeredType layered_type = RS::TEXTURE_LAYERED_2D_ARRAY; |
| 184 | |
| 185 | GLenum target = GL_TEXTURE_2D; |
| 186 | GLenum gl_format_cache = 0; |
| 187 | GLenum gl_internal_format_cache = 0; |
| 188 | GLenum gl_type_cache = 0; |
| 189 | |
| 190 | int total_data_size = 0; |
| 191 | |
| 192 | bool compressed = false; |
| 193 | |
| 194 | bool resize_to_po2 = false; |
| 195 | |
| 196 | bool active = false; |
| 197 | GLuint tex_id = 0; |
| 198 | |
| 199 | uint16_t stored_cube_sides = 0; |
| 200 | |
| 201 | RenderTarget *render_target = nullptr; |
| 202 | |
| 203 | Ref<Image> image_cache_2d; |
| 204 | |
| 205 | bool redraw_if_visible = false; |
| 206 | |
| 207 | RS::TextureDetectCallback detect_3d_callback = nullptr; |
| 208 | void *detect_3d_callback_ud = nullptr; |
| 209 | |
| 210 | RS::TextureDetectCallback detect_normal_callback = nullptr; |
| 211 | void *detect_normal_callback_ud = nullptr; |
| 212 | |
| 213 | RS::TextureDetectRoughnessCallback detect_roughness_callback = nullptr; |
| 214 | void *detect_roughness_callback_ud = nullptr; |
| 215 | |
| 216 | CanvasTexture *canvas_texture = nullptr; |
| 217 | |
| 218 | void copy_from(const Texture &o) { |
| 219 | proxy_to = o.proxy_to; |
| 220 | is_proxy = o.is_proxy; |
| 221 | is_external = o.is_external; |
| 222 | width = o.width; |
| 223 | height = o.height; |
| 224 | alloc_width = o.alloc_width; |
| 225 | alloc_height = o.alloc_height; |
| 226 | format = o.format; |
| 227 | type = o.type; |
| 228 | layered_type = o.layered_type; |
| 229 | target = o.target; |
| 230 | total_data_size = o.total_data_size; |
| 231 | compressed = o.compressed; |
| 232 | mipmaps = o.mipmaps; |
| 233 | resize_to_po2 = o.resize_to_po2; |
| 234 | active = o.active; |
| 235 | tex_id = o.tex_id; |
| 236 | stored_cube_sides = o.stored_cube_sides; |
| 237 | render_target = o.render_target; |
| 238 | is_render_target = o.is_render_target; |
| 239 | redraw_if_visible = o.redraw_if_visible; |
| 240 | detect_3d_callback = o.detect_3d_callback; |
| 241 | detect_3d_callback_ud = o.detect_3d_callback_ud; |
| 242 | detect_normal_callback = o.detect_normal_callback; |
| 243 | detect_normal_callback_ud = o.detect_normal_callback_ud; |
| 244 | detect_roughness_callback = o.detect_roughness_callback; |
| 245 | detect_roughness_callback_ud = o.detect_roughness_callback_ud; |
| 246 | } |
| 247 | |
| 248 | // texture state |
| 249 | void gl_set_filter(RS::CanvasItemTextureFilter p_filter) { |
| 250 | if (p_filter == state_filter) { |
| 251 | return; |
| 252 | } |
| 253 | Config *config = Config::get_singleton(); |
| 254 | state_filter = p_filter; |
| 255 | GLenum pmin = GL_NEAREST; |
| 256 | GLenum pmag = GL_NEAREST; |
| 257 | GLint max_lod = 0; |
| 258 | GLfloat anisotropy = 1.0f; |
| 259 | switch (state_filter) { |
| 260 | case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST: { |
| 261 | pmin = GL_NEAREST; |
| 262 | pmag = GL_NEAREST; |
| 263 | max_lod = 0; |
| 264 | } break; |
| 265 | case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR: { |
| 266 | pmin = GL_LINEAR; |
| 267 | pmag = GL_LINEAR; |
| 268 | max_lod = 0; |
| 269 | } break; |
| 270 | case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS_ANISOTROPIC: { |
| 271 | anisotropy = config->anisotropic_level; |
| 272 | }; |
| 273 | [[fallthrough]]; |
| 274 | case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: { |
| 275 | pmag = GL_NEAREST; |
| 276 | if (mipmaps <= 1) { |
| 277 | pmin = GL_NEAREST; |
| 278 | max_lod = 0; |
| 279 | } else if (config->use_nearest_mip_filter) { |
| 280 | pmin = GL_NEAREST_MIPMAP_NEAREST; |
| 281 | max_lod = 1000; |
| 282 | } else { |
| 283 | pmin = GL_NEAREST_MIPMAP_LINEAR; |
| 284 | max_lod = 1000; |
| 285 | } |
| 286 | } break; |
| 287 | case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS_ANISOTROPIC: { |
| 288 | anisotropy = config->anisotropic_level; |
| 289 | }; |
| 290 | [[fallthrough]]; |
| 291 | case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: { |
| 292 | pmag = GL_LINEAR; |
| 293 | if (mipmaps <= 1) { |
| 294 | pmin = GL_LINEAR; |
| 295 | max_lod = 0; |
| 296 | } else if (config->use_nearest_mip_filter) { |
| 297 | pmin = GL_LINEAR_MIPMAP_NEAREST; |
| 298 | max_lod = 1000; |
| 299 | } else { |
| 300 | pmin = GL_LINEAR_MIPMAP_LINEAR; |
| 301 | max_lod = 1000; |
| 302 | } |
| 303 | } break; |
| 304 | default: { |
| 305 | return; |
| 306 | } break; |
| 307 | } |
| 308 | glTexParameteri(target, GL_TEXTURE_MIN_FILTER, pmin); |
| 309 | glTexParameteri(target, GL_TEXTURE_MAG_FILTER, pmag); |
| 310 | glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, 0); |
| 311 | glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, max_lod); |
| 312 | if (config->support_anisotropic_filter) { |
| 313 | glTexParameterf(target, _GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy); |
| 314 | } |
| 315 | } |
| 316 | void gl_set_repeat(RS::CanvasItemTextureRepeat p_repeat) { |
| 317 | if (p_repeat == state_repeat) { |
| 318 | return; |
| 319 | } |
| 320 | state_repeat = p_repeat; |
| 321 | GLenum prep = GL_CLAMP_TO_EDGE; |
| 322 | switch (state_repeat) { |
| 323 | case RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED: { |
| 324 | prep = GL_CLAMP_TO_EDGE; |
| 325 | } break; |
| 326 | case RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED: { |
| 327 | prep = GL_REPEAT; |
| 328 | } break; |
| 329 | case RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR: { |
| 330 | prep = GL_MIRRORED_REPEAT; |
| 331 | } break; |
| 332 | default: { |
| 333 | return; |
| 334 | } break; |
| 335 | } |
| 336 | glTexParameteri(target, GL_TEXTURE_WRAP_T, prep); |
| 337 | glTexParameteri(target, GL_TEXTURE_WRAP_R, prep); |
| 338 | glTexParameteri(target, GL_TEXTURE_WRAP_S, prep); |
| 339 | } |
| 340 | |
| 341 | private: |
| 342 | RS::CanvasItemTextureFilter state_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_MAX; |
| 343 | RS::CanvasItemTextureRepeat state_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_MAX; |
| 344 | }; |
| 345 | |
| 346 | struct RenderTarget { |
| 347 | Point2i position = Point2i(0, 0); |
| 348 | Size2i size = Size2i(0, 0); |
| 349 | uint32_t view_count = 1; |
| 350 | int mipmap_count = 1; |
| 351 | RID self; |
| 352 | GLuint fbo = 0; |
| 353 | GLuint color = 0; |
| 354 | GLuint depth = 0; |
| 355 | GLuint backbuffer_fbo = 0; |
| 356 | GLuint backbuffer = 0; |
| 357 | GLuint backbuffer_depth = 0; |
| 358 | |
| 359 | GLuint color_internal_format = GL_RGBA8; |
| 360 | GLuint color_format = GL_RGBA; |
| 361 | GLuint color_type = GL_UNSIGNED_BYTE; |
| 362 | Image::Format image_format = Image::FORMAT_RGBA8; |
| 363 | |
| 364 | GLuint sdf_texture_write = 0; |
| 365 | GLuint sdf_texture_write_fb = 0; |
| 366 | GLuint sdf_texture_process[2] = { 0, 0 }; |
| 367 | GLuint sdf_texture_read = 0; |
| 368 | RS::ViewportSDFOversize sdf_oversize = RS::VIEWPORT_SDF_OVERSIZE_120_PERCENT; |
| 369 | RS::ViewportSDFScale sdf_scale = RS::VIEWPORT_SDF_SCALE_50_PERCENT; |
| 370 | Size2i process_size; |
| 371 | bool sdf_enabled = false; |
| 372 | |
| 373 | bool is_transparent = false; |
| 374 | bool direct_to_screen = false; |
| 375 | |
| 376 | bool used_in_frame = false; |
| 377 | RS::ViewportMSAA msaa = RS::VIEWPORT_MSAA_DISABLED; |
| 378 | |
| 379 | struct RTOverridden { |
| 380 | bool is_overridden = false; |
| 381 | RID color; |
| 382 | RID depth; |
| 383 | RID velocity; |
| 384 | |
| 385 | struct FBOCacheEntry { |
| 386 | GLuint fbo; |
| 387 | GLuint color; |
| 388 | GLuint depth; |
| 389 | Size2i size; |
| 390 | Vector<GLuint> allocated_textures; |
| 391 | }; |
| 392 | RBMap<uint32_t, FBOCacheEntry> fbo_cache; |
| 393 | } overridden; |
| 394 | |
| 395 | RID texture; |
| 396 | |
| 397 | Color clear_color = Color(1, 1, 1, 1); |
| 398 | bool clear_requested = false; |
| 399 | |
| 400 | RenderTarget() { |
| 401 | } |
| 402 | }; |
| 403 | |
| 404 | class TextureStorage : public RendererTextureStorage { |
| 405 | private: |
| 406 | static TextureStorage *singleton; |
| 407 | |
| 408 | RID default_gl_textures[DEFAULT_GL_TEXTURE_MAX]; |
| 409 | |
| 410 | /* Canvas Texture API */ |
| 411 | |
| 412 | RID_Owner<CanvasTexture, true> canvas_texture_owner; |
| 413 | |
| 414 | /* Texture API */ |
| 415 | |
| 416 | mutable RID_Owner<Texture> texture_owner; |
| 417 | |
| 418 | Ref<Image> _get_gl_image_and_format(const Ref<Image> &p_image, Image::Format p_format, Image::Format &r_real_format, GLenum &r_gl_format, GLenum &r_gl_internal_format, GLenum &r_gl_type, bool &r_compressed, bool p_force_decompress) const; |
| 419 | |
| 420 | /* TEXTURE ATLAS API */ |
| 421 | |
| 422 | struct TextureAtlas { |
| 423 | struct Texture { |
| 424 | int users; |
| 425 | Rect2 uv_rect; |
| 426 | }; |
| 427 | |
| 428 | struct SortItem { |
| 429 | RID texture; |
| 430 | Size2i pixel_size; |
| 431 | Size2i size; |
| 432 | Point2i pos; |
| 433 | |
| 434 | bool operator<(const SortItem &p_item) const { |
| 435 | //sort larger to smaller |
| 436 | if (size.height == p_item.size.height) { |
| 437 | return size.width > p_item.size.width; |
| 438 | } else { |
| 439 | return size.height > p_item.size.height; |
| 440 | } |
| 441 | } |
| 442 | }; |
| 443 | |
| 444 | HashMap<RID, Texture> textures; |
| 445 | bool dirty = true; |
| 446 | |
| 447 | GLuint texture = 0; |
| 448 | GLuint framebuffer = 0; |
| 449 | Size2i size; |
| 450 | } texture_atlas; |
| 451 | |
| 452 | /* Render Target API */ |
| 453 | |
| 454 | mutable RID_Owner<RenderTarget> render_target_owner; |
| 455 | |
| 456 | void _clear_render_target(RenderTarget *rt); |
| 457 | void _update_render_target(RenderTarget *rt); |
| 458 | void _create_render_target_backbuffer(RenderTarget *rt); |
| 459 | void _render_target_allocate_sdf(RenderTarget *rt); |
| 460 | void _render_target_clear_sdf(RenderTarget *rt); |
| 461 | Rect2i _render_target_get_sdf_rect(const RenderTarget *rt) const; |
| 462 | |
| 463 | void _texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer, bool initialize); |
| 464 | |
| 465 | struct RenderTargetSDF { |
| 466 | CanvasSdfShaderGLES3 shader; |
| 467 | RID shader_version; |
| 468 | } sdf_shader; |
| 469 | |
| 470 | public: |
| 471 | static TextureStorage *get_singleton(); |
| 472 | |
| 473 | TextureStorage(); |
| 474 | virtual ~TextureStorage(); |
| 475 | |
| 476 | _FORCE_INLINE_ RID texture_gl_get_default(DefaultGLTexture p_texture) { |
| 477 | return default_gl_textures[p_texture]; |
| 478 | } |
| 479 | |
| 480 | /* Canvas Texture API */ |
| 481 | |
| 482 | CanvasTexture *get_canvas_texture(RID p_rid) { return canvas_texture_owner.get_or_null(p_rid); }; |
| 483 | bool owns_canvas_texture(RID p_rid) { return canvas_texture_owner.owns(p_rid); }; |
| 484 | |
| 485 | virtual RID canvas_texture_allocate() override; |
| 486 | virtual void canvas_texture_initialize(RID p_rid) override; |
| 487 | virtual void canvas_texture_free(RID p_rid) override; |
| 488 | |
| 489 | virtual void canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) override; |
| 490 | virtual void canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_base_color, float p_shininess) override; |
| 491 | |
| 492 | virtual void canvas_texture_set_texture_filter(RID p_item, RS::CanvasItemTextureFilter p_filter) override; |
| 493 | virtual void canvas_texture_set_texture_repeat(RID p_item, RS::CanvasItemTextureRepeat p_repeat) override; |
| 494 | |
| 495 | /* Texture API */ |
| 496 | |
| 497 | Texture *get_texture(RID p_rid) { |
| 498 | Texture *texture = texture_owner.get_or_null(p_rid); |
| 499 | if (texture && texture->is_proxy) { |
| 500 | return texture_owner.get_or_null(texture->proxy_to); |
| 501 | } |
| 502 | return texture; |
| 503 | }; |
| 504 | bool owns_texture(RID p_rid) { return texture_owner.owns(p_rid); }; |
| 505 | |
| 506 | virtual bool can_create_resources_async() const override; |
| 507 | |
| 508 | virtual RID texture_allocate() override; |
| 509 | virtual void texture_free(RID p_rid) override; |
| 510 | |
| 511 | virtual void texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) override; |
| 512 | virtual void texture_2d_layered_initialize(RID p_texture, const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) override; |
| 513 | virtual void texture_3d_initialize(RID p_texture, Image::Format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data) override; |
| 514 | virtual void texture_proxy_initialize(RID p_texture, RID p_base) override; //all slices, then all the mipmaps, must be coherent |
| 515 | |
| 516 | RID texture_create_external(Texture::Type p_type, Image::Format p_format, unsigned int p_image, int p_width, int p_height, int p_depth, int p_layers, RS::TextureLayeredType p_layered_type = RS::TEXTURE_LAYERED_2D_ARRAY); |
| 517 | |
| 518 | virtual void texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) override; |
| 519 | virtual void texture_3d_update(RID p_texture, const Vector<Ref<Image>> &p_data) override{}; |
| 520 | virtual void texture_proxy_update(RID p_proxy, RID p_base) override; |
| 521 | |
| 522 | //these two APIs can be used together or in combination with the others. |
| 523 | virtual void texture_2d_placeholder_initialize(RID p_texture) override; |
| 524 | virtual void texture_2d_layered_placeholder_initialize(RID p_texture, RenderingServer::TextureLayeredType p_layered_type) override; |
| 525 | virtual void texture_3d_placeholder_initialize(RID p_texture) override; |
| 526 | |
| 527 | virtual Ref<Image> texture_2d_get(RID p_texture) const override; |
| 528 | virtual Ref<Image> texture_2d_layer_get(RID p_texture, int p_layer) const override { return Ref<Image>(); }; |
| 529 | virtual Vector<Ref<Image>> texture_3d_get(RID p_texture) const override { return Vector<Ref<Image>>(); }; |
| 530 | |
| 531 | virtual void texture_replace(RID p_texture, RID p_by_texture) override; |
| 532 | virtual void texture_set_size_override(RID p_texture, int p_width, int p_height) override; |
| 533 | |
| 534 | virtual void texture_set_path(RID p_texture, const String &p_path) override; |
| 535 | virtual String texture_get_path(RID p_texture) const override; |
| 536 | |
| 537 | virtual void texture_set_detect_3d_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override; |
| 538 | void texture_set_detect_srgb_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata); |
| 539 | virtual void texture_set_detect_normal_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override; |
| 540 | virtual void texture_set_detect_roughness_callback(RID p_texture, RS::TextureDetectRoughnessCallback p_callback, void *p_userdata) override; |
| 541 | |
| 542 | virtual void texture_debug_usage(List<RS::TextureInfo> *r_info) override; |
| 543 | |
| 544 | virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) override; |
| 545 | |
| 546 | virtual Size2 texture_size_with_proxy(RID p_proxy) override; |
| 547 | |
| 548 | virtual void texture_rd_initialize(RID p_texture, const RID &p_rd_texture, const RS::TextureLayeredType p_layer_type = RS::TEXTURE_LAYERED_2D_ARRAY) override; |
| 549 | virtual RID texture_get_rd_texture(RID p_texture, bool p_srgb = false) const override; |
| 550 | virtual uint64_t texture_get_native_handle(RID p_texture, bool p_srgb = false) const override; |
| 551 | |
| 552 | void texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer = 0); |
| 553 | virtual Image::Format texture_get_format(RID p_texture) const override; |
| 554 | uint32_t texture_get_texid(RID p_texture) const; |
| 555 | uint32_t texture_get_width(RID p_texture) const; |
| 556 | uint32_t texture_get_height(RID p_texture) const; |
| 557 | uint32_t texture_get_depth(RID p_texture) const; |
| 558 | void texture_bind(RID p_texture, uint32_t p_texture_no); |
| 559 | |
| 560 | /* TEXTURE ATLAS API */ |
| 561 | |
| 562 | void update_texture_atlas(); |
| 563 | |
| 564 | GLuint texture_atlas_get_texture() const; |
| 565 | _FORCE_INLINE_ Rect2 texture_atlas_get_texture_rect(RID p_texture) { |
| 566 | TextureAtlas::Texture *t = texture_atlas.textures.getptr(p_texture); |
| 567 | if (!t) { |
| 568 | return Rect2(); |
| 569 | } |
| 570 | |
| 571 | return t->uv_rect; |
| 572 | } |
| 573 | |
| 574 | void texture_add_to_texture_atlas(RID p_texture); |
| 575 | void texture_remove_from_texture_atlas(RID p_texture); |
| 576 | void texture_atlas_mark_dirty_on_texture(RID p_texture); |
| 577 | void texture_atlas_remove_texture(RID p_texture); |
| 578 | |
| 579 | /* DECAL API */ |
| 580 | |
| 581 | virtual RID decal_allocate() override; |
| 582 | virtual void decal_initialize(RID p_rid) override; |
| 583 | virtual void decal_free(RID p_rid) override{}; |
| 584 | |
| 585 | virtual void decal_set_size(RID p_decal, const Vector3 &p_size) override; |
| 586 | virtual void decal_set_texture(RID p_decal, RS::DecalTexture p_type, RID p_texture) override; |
| 587 | virtual void decal_set_emission_energy(RID p_decal, float p_energy) override; |
| 588 | virtual void decal_set_albedo_mix(RID p_decal, float p_mix) override; |
| 589 | virtual void decal_set_modulate(RID p_decal, const Color &p_modulate) override; |
| 590 | virtual void decal_set_cull_mask(RID p_decal, uint32_t p_layers) override; |
| 591 | virtual void decal_set_distance_fade(RID p_decal, bool p_enabled, float p_begin, float p_length) override; |
| 592 | virtual void decal_set_fade(RID p_decal, float p_above, float p_below) override; |
| 593 | virtual void decal_set_normal_fade(RID p_decal, float p_fade) override; |
| 594 | |
| 595 | virtual AABB decal_get_aabb(RID p_decal) const override; |
| 596 | virtual uint32_t decal_get_cull_mask(RID p_decal) const override { return 0; } |
| 597 | |
| 598 | virtual void texture_add_to_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override {} |
| 599 | virtual void texture_remove_from_decal_atlas(RID p_texture, bool p_panorama_to_dp = false) override {} |
| 600 | |
| 601 | /* DECAL INSTANCE */ |
| 602 | |
| 603 | virtual RID decal_instance_create(RID p_decal) override { return RID(); } |
| 604 | virtual void decal_instance_free(RID p_decal_instance) override {} |
| 605 | virtual void decal_instance_set_transform(RID p_decal, const Transform3D &p_transform) override {} |
| 606 | virtual void decal_instance_set_sorting_offset(RID p_decal_instance, float p_sorting_offset) override {} |
| 607 | |
| 608 | /* RENDER TARGET API */ |
| 609 | |
| 610 | static GLuint system_fbo; |
| 611 | |
| 612 | RenderTarget *get_render_target(RID p_rid) { return render_target_owner.get_or_null(p_rid); }; |
| 613 | bool owns_render_target(RID p_rid) { return render_target_owner.owns(p_rid); }; |
| 614 | |
| 615 | void copy_scene_to_backbuffer(RenderTarget *rt, const bool uses_screen_texture, const bool uses_depth_texture); |
| 616 | |
| 617 | virtual RID render_target_create() override; |
| 618 | virtual void render_target_free(RID p_rid) override; |
| 619 | |
| 620 | virtual void render_target_set_position(RID p_render_target, int p_x, int p_y) override; |
| 621 | virtual Point2i render_target_get_position(RID p_render_target) const override; |
| 622 | virtual void render_target_set_size(RID p_render_target, int p_width, int p_height, uint32_t p_view_count) override; |
| 623 | virtual Size2i render_target_get_size(RID p_render_target) const override; |
| 624 | virtual void render_target_set_transparent(RID p_render_target, bool p_is_transparent) override; |
| 625 | virtual bool render_target_get_transparent(RID p_render_target) const override; |
| 626 | virtual void render_target_set_direct_to_screen(RID p_render_target, bool p_direct_to_screen) override; |
| 627 | virtual bool render_target_get_direct_to_screen(RID p_render_target) const override; |
| 628 | virtual bool render_target_was_used(RID p_render_target) const override; |
| 629 | void render_target_clear_used(RID p_render_target); |
| 630 | virtual void render_target_set_msaa(RID p_render_target, RS::ViewportMSAA p_msaa) override; |
| 631 | virtual RS::ViewportMSAA render_target_get_msaa(RID p_render_target) const override; |
| 632 | virtual void render_target_set_use_hdr(RID p_render_target, bool p_use_hdr_2d) override {} |
| 633 | virtual bool render_target_is_using_hdr(RID p_render_target) const override { return false; } |
| 634 | |
| 635 | // new |
| 636 | void render_target_set_as_unused(RID p_render_target) override { |
| 637 | render_target_clear_used(p_render_target); |
| 638 | } |
| 639 | |
| 640 | void render_target_request_clear(RID p_render_target, const Color &p_clear_color) override; |
| 641 | bool render_target_is_clear_requested(RID p_render_target) override; |
| 642 | Color render_target_get_clear_request_color(RID p_render_target) override; |
| 643 | void render_target_disable_clear_request(RID p_render_target) override; |
| 644 | void render_target_do_clear_request(RID p_render_target) override; |
| 645 | |
| 646 | virtual void render_target_set_sdf_size_and_scale(RID p_render_target, RS::ViewportSDFOversize p_size, RS::ViewportSDFScale p_scale) override; |
| 647 | virtual Rect2i render_target_get_sdf_rect(RID p_render_target) const override; |
| 648 | GLuint render_target_get_sdf_texture(RID p_render_target); |
| 649 | GLuint render_target_get_sdf_framebuffer(RID p_render_target); |
| 650 | void render_target_sdf_process(RID p_render_target); |
| 651 | virtual void render_target_mark_sdf_enabled(RID p_render_target, bool p_enabled) override; |
| 652 | bool render_target_is_sdf_enabled(RID p_render_target) const; |
| 653 | |
| 654 | void render_target_copy_to_back_buffer(RID p_render_target, const Rect2i &p_region, bool p_gen_mipmaps); |
| 655 | void render_target_clear_back_buffer(RID p_render_target, const Rect2i &p_region, const Color &p_color); |
| 656 | void render_target_gen_back_buffer_mipmaps(RID p_render_target, const Rect2i &p_region); |
| 657 | |
| 658 | virtual void render_target_set_vrs_mode(RID p_render_target, RS::ViewportVRSMode p_mode) override {} |
| 659 | virtual RS::ViewportVRSMode render_target_get_vrs_mode(RID p_render_target) const override { return RS::VIEWPORT_VRS_DISABLED; } |
| 660 | virtual void render_target_set_vrs_texture(RID p_render_target, RID p_texture) override {} |
| 661 | virtual RID render_target_get_vrs_texture(RID p_render_target) const override { return RID(); } |
| 662 | |
| 663 | virtual void render_target_set_override(RID p_render_target, RID p_color_texture, RID p_depth_texture, RID p_velocity_texture) override; |
| 664 | virtual RID render_target_get_override_color(RID p_render_target) const override; |
| 665 | virtual RID render_target_get_override_depth(RID p_render_target) const override; |
| 666 | virtual RID render_target_get_override_velocity(RID p_render_target) const override; |
| 667 | |
| 668 | virtual RID render_target_get_texture(RID p_render_target) override; |
| 669 | |
| 670 | void bind_framebuffer(GLuint framebuffer) { |
| 671 | glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); |
| 672 | } |
| 673 | |
| 674 | void bind_framebuffer_system() { |
| 675 | glBindFramebuffer(GL_FRAMEBUFFER, GLES3::TextureStorage::system_fbo); |
| 676 | } |
| 677 | |
| 678 | String get_framebuffer_error(GLenum p_status); |
| 679 | }; |
| 680 | |
| 681 | inline String TextureStorage::get_framebuffer_error(GLenum p_status) { |
| 682 | #if defined(DEBUG_ENABLED) && defined(GLES_OVER_GL) |
| 683 | if (p_status == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT) { |
| 684 | return "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT" ; |
| 685 | } else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT) { |
| 686 | return "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT" ; |
| 687 | } else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER) { |
| 688 | return "GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER" ; |
| 689 | } else if (p_status == GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER) { |
| 690 | return "GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER" ; |
| 691 | } |
| 692 | #endif |
| 693 | return itos(p_status); |
| 694 | } |
| 695 | |
| 696 | } // namespace GLES3 |
| 697 | |
| 698 | #endif // GLES3_ENABLED |
| 699 | |
| 700 | #endif // TEXTURE_STORAGE_GLES3_H |
| 701 | |