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1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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25 | 25 |
26 #ifndef GraphicsContext3D_h | 26 #ifndef GraphicsContext3D_h |
27 #define GraphicsContext3D_h | 27 #define GraphicsContext3D_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "platform/geometry/IntRect.h" | 30 #include "platform/geometry/IntRect.h" |
31 #include "platform/graphics/Extensions3D.h" | 31 #include "platform/graphics/Extensions3D.h" |
32 #include "platform/graphics/GraphicsTypes3D.h" | 32 #include "platform/graphics/GraphicsTypes3D.h" |
33 #include "platform/graphics/Image.h" | 33 #include "platform/graphics/Image.h" |
34 #include "platform/weborigin/KURL.h" | 34 #include "platform/weborigin/KURL.h" |
| 35 #include "third_party/khronos/GLES2/gl2.h" |
| 36 #include "third_party/khronos/GLES2/gl2ext.h" |
35 #include "third_party/skia/include/core/SkBitmap.h" | 37 #include "third_party/skia/include/core/SkBitmap.h" |
36 #include "wtf/HashMap.h" | 38 #include "wtf/HashMap.h" |
37 #include "wtf/HashSet.h" | 39 #include "wtf/HashSet.h" |
38 #include "wtf/ListHashSet.h" | 40 #include "wtf/ListHashSet.h" |
39 #include "wtf/Noncopyable.h" | 41 #include "wtf/Noncopyable.h" |
40 #include "wtf/OwnPtr.h" | 42 #include "wtf/OwnPtr.h" |
41 #include "wtf/PassOwnPtr.h" | 43 #include "wtf/PassOwnPtr.h" |
42 #include "wtf/RefCounted.h" | 44 #include "wtf/RefCounted.h" |
43 #include "wtf/text/WTFString.h" | 45 #include "wtf/text/WTFString.h" |
44 | 46 |
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65 class IntSize; | 67 class IntSize; |
66 | 68 |
67 struct ActiveInfo { | 69 struct ActiveInfo { |
68 String name; | 70 String name; |
69 GC3Denum type; | 71 GC3Denum type; |
70 GC3Dint size; | 72 GC3Dint size; |
71 }; | 73 }; |
72 | 74 |
73 class PLATFORM_EXPORT GraphicsContext3D : public RefCounted<GraphicsContext3D> { | 75 class PLATFORM_EXPORT GraphicsContext3D : public RefCounted<GraphicsContext3D> { |
74 public: | 76 public: |
75 enum { | |
76 DEPTH_BUFFER_BIT = 0x00000100, | |
77 STENCIL_BUFFER_BIT = 0x00000400, | |
78 COLOR_BUFFER_BIT = 0x00004000, | |
79 POINTS = 0x0000, | |
80 LINES = 0x0001, | |
81 LINE_LOOP = 0x0002, | |
82 LINE_STRIP = 0x0003, | |
83 TRIANGLES = 0x0004, | |
84 TRIANGLE_STRIP = 0x0005, | |
85 TRIANGLE_FAN = 0x0006, | |
86 ZERO = 0, | |
87 ONE = 1, | |
88 SRC_COLOR = 0x0300, | |
89 ONE_MINUS_SRC_COLOR = 0x0301, | |
90 SRC_ALPHA = 0x0302, | |
91 ONE_MINUS_SRC_ALPHA = 0x0303, | |
92 DST_ALPHA = 0x0304, | |
93 ONE_MINUS_DST_ALPHA = 0x0305, | |
94 DST_COLOR = 0x0306, | |
95 ONE_MINUS_DST_COLOR = 0x0307, | |
96 SRC_ALPHA_SATURATE = 0x0308, | |
97 FUNC_ADD = 0x8006, | |
98 BLEND_EQUATION = 0x8009, | |
99 BLEND_EQUATION_RGB = 0x8009, | |
100 BLEND_EQUATION_ALPHA = 0x883D, | |
101 FUNC_SUBTRACT = 0x800A, | |
102 FUNC_REVERSE_SUBTRACT = 0x800B, | |
103 BLEND_DST_RGB = 0x80C8, | |
104 BLEND_SRC_RGB = 0x80C9, | |
105 BLEND_DST_ALPHA = 0x80CA, | |
106 BLEND_SRC_ALPHA = 0x80CB, | |
107 CONSTANT_COLOR = 0x8001, | |
108 ONE_MINUS_CONSTANT_COLOR = 0x8002, | |
109 CONSTANT_ALPHA = 0x8003, | |
110 ONE_MINUS_CONSTANT_ALPHA = 0x8004, | |
111 BLEND_COLOR = 0x8005, | |
112 ARRAY_BUFFER = 0x8892, | |
113 ELEMENT_ARRAY_BUFFER = 0x8893, | |
114 ARRAY_BUFFER_BINDING = 0x8894, | |
115 ELEMENT_ARRAY_BUFFER_BINDING = 0x8895, | |
116 STREAM_DRAW = 0x88E0, | |
117 STATIC_DRAW = 0x88E4, | |
118 DYNAMIC_DRAW = 0x88E8, | |
119 BUFFER_SIZE = 0x8764, | |
120 BUFFER_USAGE = 0x8765, | |
121 CURRENT_VERTEX_ATTRIB = 0x8626, | |
122 FRONT = 0x0404, | |
123 BACK = 0x0405, | |
124 FRONT_AND_BACK = 0x0408, | |
125 TEXTURE_2D = 0x0DE1, | |
126 CULL_FACE = 0x0B44, | |
127 BLEND = 0x0BE2, | |
128 DITHER = 0x0BD0, | |
129 STENCIL_TEST = 0x0B90, | |
130 DEPTH_TEST = 0x0B71, | |
131 SCISSOR_TEST = 0x0C11, | |
132 POLYGON_OFFSET_FILL = 0x8037, | |
133 SAMPLE_ALPHA_TO_COVERAGE = 0x809E, | |
134 SAMPLE_COVERAGE = 0x80A0, | |
135 NO_ERROR = 0, | |
136 INVALID_ENUM = 0x0500, | |
137 INVALID_VALUE = 0x0501, | |
138 INVALID_OPERATION = 0x0502, | |
139 OUT_OF_MEMORY = 0x0505, | |
140 CW = 0x0900, | |
141 CCW = 0x0901, | |
142 LINE_WIDTH = 0x0B21, | |
143 ALIASED_POINT_SIZE_RANGE = 0x846D, | |
144 ALIASED_LINE_WIDTH_RANGE = 0x846E, | |
145 CULL_FACE_MODE = 0x0B45, | |
146 FRONT_FACE = 0x0B46, | |
147 DEPTH_RANGE = 0x0B70, | |
148 DEPTH_WRITEMASK = 0x0B72, | |
149 DEPTH_CLEAR_VALUE = 0x0B73, | |
150 DEPTH_FUNC = 0x0B74, | |
151 STENCIL_CLEAR_VALUE = 0x0B91, | |
152 STENCIL_FUNC = 0x0B92, | |
153 STENCIL_FAIL = 0x0B94, | |
154 STENCIL_PASS_DEPTH_FAIL = 0x0B95, | |
155 STENCIL_PASS_DEPTH_PASS = 0x0B96, | |
156 STENCIL_REF = 0x0B97, | |
157 STENCIL_VALUE_MASK = 0x0B93, | |
158 STENCIL_WRITEMASK = 0x0B98, | |
159 STENCIL_BACK_FUNC = 0x8800, | |
160 STENCIL_BACK_FAIL = 0x8801, | |
161 STENCIL_BACK_PASS_DEPTH_FAIL = 0x8802, | |
162 STENCIL_BACK_PASS_DEPTH_PASS = 0x8803, | |
163 STENCIL_BACK_REF = 0x8CA3, | |
164 STENCIL_BACK_VALUE_MASK = 0x8CA4, | |
165 STENCIL_BACK_WRITEMASK = 0x8CA5, | |
166 VIEWPORT = 0x0BA2, | |
167 SCISSOR_BOX = 0x0C10, | |
168 COLOR_CLEAR_VALUE = 0x0C22, | |
169 COLOR_WRITEMASK = 0x0C23, | |
170 UNPACK_ALIGNMENT = 0x0CF5, | |
171 PACK_ALIGNMENT = 0x0D05, | |
172 MAX_TEXTURE_SIZE = 0x0D33, | |
173 MAX_VIEWPORT_DIMS = 0x0D3A, | |
174 SUBPIXEL_BITS = 0x0D50, | |
175 RED_BITS = 0x0D52, | |
176 GREEN_BITS = 0x0D53, | |
177 BLUE_BITS = 0x0D54, | |
178 ALPHA_BITS = 0x0D55, | |
179 DEPTH_BITS = 0x0D56, | |
180 STENCIL_BITS = 0x0D57, | |
181 POLYGON_OFFSET_UNITS = 0x2A00, | |
182 POLYGON_OFFSET_FACTOR = 0x8038, | |
183 TEXTURE_BINDING_2D = 0x8069, | |
184 SAMPLE_BUFFERS = 0x80A8, | |
185 SAMPLES = 0x80A9, | |
186 SAMPLE_COVERAGE_VALUE = 0x80AA, | |
187 SAMPLE_COVERAGE_INVERT = 0x80AB, | |
188 NUM_COMPRESSED_TEXTURE_FORMATS = 0x86A2, | |
189 COMPRESSED_TEXTURE_FORMATS = 0x86A3, | |
190 DONT_CARE = 0x1100, | |
191 FASTEST = 0x1101, | |
192 NICEST = 0x1102, | |
193 GENERATE_MIPMAP_HINT = 0x8192, | |
194 BYTE = 0x1400, | |
195 UNSIGNED_BYTE = 0x1401, | |
196 SHORT = 0x1402, | |
197 UNSIGNED_SHORT = 0x1403, | |
198 INT = 0x1404, | |
199 UNSIGNED_INT = 0x1405, | |
200 FLOAT = 0x1406, | |
201 HALF_FLOAT_OES = 0x8D61, | |
202 FIXED = 0x140C, | |
203 DEPTH_COMPONENT = 0x1902, | |
204 ALPHA = 0x1906, | |
205 RGB = 0x1907, | |
206 RGBA = 0x1908, | |
207 BGRA = 0x80E1, | |
208 LUMINANCE = 0x1909, | |
209 LUMINANCE_ALPHA = 0x190A, | |
210 UNSIGNED_SHORT_4_4_4_4 = 0x8033, | |
211 UNSIGNED_SHORT_5_5_5_1 = 0x8034, | |
212 UNSIGNED_SHORT_5_6_5 = 0x8363, | |
213 FRAGMENT_SHADER = 0x8B30, | |
214 VERTEX_SHADER = 0x8B31, | |
215 MAX_VERTEX_ATTRIBS = 0x8869, | |
216 MAX_VERTEX_UNIFORM_VECTORS = 0x8DFB, | |
217 MAX_VARYING_VECTORS = 0x8DFC, | |
218 MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D, | |
219 MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C, | |
220 MAX_TEXTURE_IMAGE_UNITS = 0x8872, | |
221 MAX_FRAGMENT_UNIFORM_VECTORS = 0x8DFD, | |
222 SHADER_TYPE = 0x8B4F, | |
223 DELETE_STATUS = 0x8B80, | |
224 LINK_STATUS = 0x8B82, | |
225 VALIDATE_STATUS = 0x8B83, | |
226 ATTACHED_SHADERS = 0x8B85, | |
227 ACTIVE_UNIFORMS = 0x8B86, | |
228 ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87, | |
229 ACTIVE_ATTRIBUTES = 0x8B89, | |
230 ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A, | |
231 SHADING_LANGUAGE_VERSION = 0x8B8C, | |
232 CURRENT_PROGRAM = 0x8B8D, | |
233 NEVER = 0x0200, | |
234 LESS = 0x0201, | |
235 EQUAL = 0x0202, | |
236 LEQUAL = 0x0203, | |
237 GREATER = 0x0204, | |
238 NOTEQUAL = 0x0205, | |
239 GEQUAL = 0x0206, | |
240 ALWAYS = 0x0207, | |
241 KEEP = 0x1E00, | |
242 REPLACE = 0x1E01, | |
243 INCR = 0x1E02, | |
244 DECR = 0x1E03, | |
245 INVERT = 0x150A, | |
246 INCR_WRAP = 0x8507, | |
247 DECR_WRAP = 0x8508, | |
248 VENDOR = 0x1F00, | |
249 RENDERER = 0x1F01, | |
250 VERSION = 0x1F02, | |
251 EXTENSIONS = 0x1F03, | |
252 NEAREST = 0x2600, | |
253 LINEAR = 0x2601, | |
254 NEAREST_MIPMAP_NEAREST = 0x2700, | |
255 LINEAR_MIPMAP_NEAREST = 0x2701, | |
256 NEAREST_MIPMAP_LINEAR = 0x2702, | |
257 LINEAR_MIPMAP_LINEAR = 0x2703, | |
258 TEXTURE_MAG_FILTER = 0x2800, | |
259 TEXTURE_MIN_FILTER = 0x2801, | |
260 TEXTURE_WRAP_S = 0x2802, | |
261 TEXTURE_WRAP_T = 0x2803, | |
262 TEXTURE = 0x1702, | |
263 TEXTURE_CUBE_MAP = 0x8513, | |
264 TEXTURE_BINDING_CUBE_MAP = 0x8514, | |
265 TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515, | |
266 TEXTURE_CUBE_MAP_NEGATIVE_X = 0x8516, | |
267 TEXTURE_CUBE_MAP_POSITIVE_Y = 0x8517, | |
268 TEXTURE_CUBE_MAP_NEGATIVE_Y = 0x8518, | |
269 TEXTURE_CUBE_MAP_POSITIVE_Z = 0x8519, | |
270 TEXTURE_CUBE_MAP_NEGATIVE_Z = 0x851A, | |
271 MAX_CUBE_MAP_TEXTURE_SIZE = 0x851C, | |
272 TEXTURE0 = 0x84C0, | |
273 TEXTURE1 = 0x84C1, | |
274 TEXTURE2 = 0x84C2, | |
275 TEXTURE3 = 0x84C3, | |
276 TEXTURE4 = 0x84C4, | |
277 TEXTURE5 = 0x84C5, | |
278 TEXTURE6 = 0x84C6, | |
279 TEXTURE7 = 0x84C7, | |
280 TEXTURE8 = 0x84C8, | |
281 TEXTURE9 = 0x84C9, | |
282 TEXTURE10 = 0x84CA, | |
283 TEXTURE11 = 0x84CB, | |
284 TEXTURE12 = 0x84CC, | |
285 TEXTURE13 = 0x84CD, | |
286 TEXTURE14 = 0x84CE, | |
287 TEXTURE15 = 0x84CF, | |
288 TEXTURE16 = 0x84D0, | |
289 TEXTURE17 = 0x84D1, | |
290 TEXTURE18 = 0x84D2, | |
291 TEXTURE19 = 0x84D3, | |
292 TEXTURE20 = 0x84D4, | |
293 TEXTURE21 = 0x84D5, | |
294 TEXTURE22 = 0x84D6, | |
295 TEXTURE23 = 0x84D7, | |
296 TEXTURE24 = 0x84D8, | |
297 TEXTURE25 = 0x84D9, | |
298 TEXTURE26 = 0x84DA, | |
299 TEXTURE27 = 0x84DB, | |
300 TEXTURE28 = 0x84DC, | |
301 TEXTURE29 = 0x84DD, | |
302 TEXTURE30 = 0x84DE, | |
303 TEXTURE31 = 0x84DF, | |
304 ACTIVE_TEXTURE = 0x84E0, | |
305 REPEAT = 0x2901, | |
306 CLAMP_TO_EDGE = 0x812F, | |
307 MIRRORED_REPEAT = 0x8370, | |
308 FLOAT_VEC2 = 0x8B50, | |
309 FLOAT_VEC3 = 0x8B51, | |
310 FLOAT_VEC4 = 0x8B52, | |
311 INT_VEC2 = 0x8B53, | |
312 INT_VEC3 = 0x8B54, | |
313 INT_VEC4 = 0x8B55, | |
314 BOOL = 0x8B56, | |
315 BOOL_VEC2 = 0x8B57, | |
316 BOOL_VEC3 = 0x8B58, | |
317 BOOL_VEC4 = 0x8B59, | |
318 FLOAT_MAT2 = 0x8B5A, | |
319 FLOAT_MAT3 = 0x8B5B, | |
320 FLOAT_MAT4 = 0x8B5C, | |
321 SAMPLER_2D = 0x8B5E, | |
322 SAMPLER_CUBE = 0x8B60, | |
323 VERTEX_ATTRIB_ARRAY_ENABLED = 0x8622, | |
324 VERTEX_ATTRIB_ARRAY_SIZE = 0x8623, | |
325 VERTEX_ATTRIB_ARRAY_STRIDE = 0x8624, | |
326 VERTEX_ATTRIB_ARRAY_TYPE = 0x8625, | |
327 VERTEX_ATTRIB_ARRAY_NORMALIZED = 0x886A, | |
328 VERTEX_ATTRIB_ARRAY_POINTER = 0x8645, | |
329 VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F, | |
330 COMPILE_STATUS = 0x8B81, | |
331 INFO_LOG_LENGTH = 0x8B84, | |
332 SHADER_SOURCE_LENGTH = 0x8B88, | |
333 SHADER_COMPILER = 0x8DFA, | |
334 SHADER_BINARY_FORMATS = 0x8DF8, | |
335 NUM_SHADER_BINARY_FORMATS = 0x8DF9, | |
336 LOW_FLOAT = 0x8DF0, | |
337 MEDIUM_FLOAT = 0x8DF1, | |
338 HIGH_FLOAT = 0x8DF2, | |
339 LOW_INT = 0x8DF3, | |
340 MEDIUM_INT = 0x8DF4, | |
341 HIGH_INT = 0x8DF5, | |
342 FRAMEBUFFER = 0x8D40, | |
343 RENDERBUFFER = 0x8D41, | |
344 RGBA4 = 0x8056, | |
345 RGB5_A1 = 0x8057, | |
346 RGB565 = 0x8D62, | |
347 DEPTH_COMPONENT16 = 0x81A5, | |
348 STENCIL_INDEX = 0x1901, | |
349 STENCIL_INDEX8 = 0x8D48, | |
350 DEPTH_STENCIL = 0x84F9, | |
351 UNSIGNED_INT_24_8 = 0x84FA, | |
352 DEPTH24_STENCIL8 = 0x88F0, | |
353 RENDERBUFFER_WIDTH = 0x8D42, | |
354 RENDERBUFFER_HEIGHT = 0x8D43, | |
355 RENDERBUFFER_INTERNAL_FORMAT = 0x8D44, | |
356 RENDERBUFFER_RED_SIZE = 0x8D50, | |
357 RENDERBUFFER_GREEN_SIZE = 0x8D51, | |
358 RENDERBUFFER_BLUE_SIZE = 0x8D52, | |
359 RENDERBUFFER_ALPHA_SIZE = 0x8D53, | |
360 RENDERBUFFER_DEPTH_SIZE = 0x8D54, | |
361 RENDERBUFFER_STENCIL_SIZE = 0x8D55, | |
362 FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = 0x8CD0, | |
363 FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = 0x8CD1, | |
364 FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = 0x8CD2, | |
365 FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3, | |
366 COLOR_ATTACHMENT0 = 0x8CE0, | |
367 DEPTH_ATTACHMENT = 0x8D00, | |
368 STENCIL_ATTACHMENT = 0x8D20, | |
369 DEPTH_STENCIL_ATTACHMENT = 0x821A, | |
370 NONE = 0, | |
371 FRAMEBUFFER_COMPLETE = 0x8CD5, | |
372 FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 0x8CD6, | |
373 FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7, | |
374 FRAMEBUFFER_INCOMPLETE_DIMENSIONS = 0x8CD9, | |
375 FRAMEBUFFER_UNSUPPORTED = 0x8CDD, | |
376 FRAMEBUFFER_BINDING = 0x8CA6, | |
377 RENDERBUFFER_BINDING = 0x8CA7, | |
378 MAX_RENDERBUFFER_SIZE = 0x84E8, | |
379 INVALID_FRAMEBUFFER_OPERATION = 0x0506, | |
380 | |
381 // WebGL-specific enums | |
382 UNPACK_FLIP_Y_WEBGL = 0x9240, | |
383 UNPACK_PREMULTIPLY_ALPHA_WEBGL = 0x9241, | |
384 CONTEXT_LOST_WEBGL = 0x9242, | |
385 UNPACK_COLORSPACE_CONVERSION_WEBGL = 0x9243, | |
386 BROWSER_DEFAULT_WEBGL = 0x9244 | |
387 }; | |
388 | |
389 // Context creation attributes. | 77 // Context creation attributes. |
390 struct Attributes { | 78 struct Attributes { |
391 Attributes() | 79 Attributes() |
392 : alpha(true) | 80 : alpha(true) |
393 , depth(true) | 81 , depth(true) |
394 , stencil(false) | 82 , stencil(false) |
395 , antialias(true) | 83 , antialias(true) |
396 , premultipliedAlpha(true) | 84 , premultipliedAlpha(true) |
397 , preserveDrawingBuffer(false) | 85 , preserveDrawingBuffer(false) |
398 , noExtensions(false) | 86 , noExtensions(false) |
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854 | 542 |
855 GrContext* m_grContext; | 543 GrContext* m_grContext; |
856 | 544 |
857 // Used to flip a bitmap vertically. | 545 // Used to flip a bitmap vertically. |
858 Vector<uint8_t> m_scanline; | 546 Vector<uint8_t> m_scanline; |
859 }; | 547 }; |
860 | 548 |
861 } // namespace WebCore | 549 } // namespace WebCore |
862 | 550 |
863 #endif // GraphicsContext3D_h | 551 #endif // GraphicsContext3D_h |
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