| /* |
| * Copyright (C) 2009, 2014 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEBGL) |
| |
| #include "ANGLEWebKitBridge.h" |
| #include "GraphicsContext3DAttributes.h" |
| #include "GraphicsTypes3D.h" |
| #include "Image.h" |
| #include "IntRect.h" |
| #include "PlatformLayer.h" |
| #include <memory> |
| #include <wtf/HashCountedSet.h> |
| #include <wtf/HashMap.h> |
| #include <wtf/ListHashSet.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/RetainPtr.h> |
| #include <wtf/UniqueArray.h> |
| #include <wtf/text/WTFString.h> |
| |
| #if USE(CA) |
| #include "PlatformCALayer.h" |
| #endif |
| |
| // FIXME: Find a better way to avoid the name confliction for NO_ERROR. |
| #if PLATFORM(WIN) |
| #undef NO_ERROR |
| #elif PLATFORM(GTK) |
| // This define is from the X11 headers, but it's used below, so we must undefine it. |
| #undef VERSION |
| #endif |
| |
| #if PLATFORM(COCOA) |
| |
| #if USE(OPENGL_ES) |
| #include <OpenGLES/ES2/gl.h> |
| #ifdef __OBJC__ |
| #import <OpenGLES/EAGL.h> |
| typedef EAGLContext* PlatformGraphicsContext3D; |
| #else |
| typedef void* PlatformGraphicsContext3D; |
| #endif // __OBJC__ |
| #endif // USE(OPENGL_ES) |
| |
| #if USE(OPENGL) |
| typedef struct _CGLContextObject *CGLContextObj; |
| typedef CGLContextObj PlatformGraphicsContext3D; |
| #endif // USE(OPENGL) |
| |
| #if USE(ANGLE) |
| typedef void* PlatformGraphicsContext3D; |
| typedef void* PlatformGraphicsContext3DDisplay; |
| typedef void* PlatformGraphicsContext3DSurface; |
| typedef void* PlatformGraphicsContext3DConfig; |
| #endif // USE(ANGLE) |
| |
| OBJC_CLASS CALayer; |
| OBJC_CLASS WebGLLayer; |
| typedef struct __IOSurface* IOSurfaceRef; |
| #endif // PLATFORM(COCOA) |
| |
| #if USE(NICOSIA) |
| namespace Nicosia { |
| class GC3DLayer; |
| } |
| #endif |
| |
| #if !PLATFORM(COCOA) |
| typedef unsigned GLuint; |
| typedef void* PlatformGraphicsContext3D; |
| typedef void* PlatformGraphicsSurface3D; |
| #endif // !PLATFORM(COCOA) |
| |
| // These are currently the same among all implementations. |
| const PlatformGraphicsContext3D NullPlatformGraphicsContext3D = 0; |
| const Platform3DObject NullPlatform3DObject = 0; |
| |
| namespace WebCore { |
| class Extensions3D; |
| #if !PLATFORM(COCOA) && USE(OPENGL_ES) |
| class Extensions3DOpenGLES; |
| #elif USE(OPENGL) || (PLATFORM(COCOA) && USE(OPENGL_ES)) |
| class Extensions3DOpenGL; |
| #elif USE(ANGLE) |
| class Extensions3DANGLE; |
| #endif |
| class HostWindow; |
| class Image; |
| class ImageBuffer; |
| class ImageData; |
| class IntRect; |
| class IntSize; |
| class WebGLRenderingContextBase; |
| #if USE(TEXTURE_MAPPER) |
| class TextureMapperGC3DPlatformLayer; |
| #endif |
| |
| typedef WTF::HashMap<CString, uint64_t> ShaderNameHash; |
| |
| struct ActiveInfo { |
| String name; |
| GC3Denum type; |
| GC3Dint size; |
| }; |
| |
| class GraphicsContext3DPrivate; |
| |
| class GraphicsContext3D : public RefCounted<GraphicsContext3D> { |
| public: |
| class Client { |
| public: |
| virtual ~Client() { } |
| virtual void didComposite() = 0; |
| virtual void forceContextLost() = 0; |
| virtual void recycleContext() = 0; |
| virtual void dispatchContextChangedNotification() = 0; |
| }; |
| |
| enum { |
| // WebGL 1 constants |
| DEPTH_BUFFER_BIT = 0x00000100, |
| STENCIL_BUFFER_BIT = 0x00000400, |
| COLOR_BUFFER_BIT = 0x00004000, |
| POINTS = 0x0000, |
| LINES = 0x0001, |
| LINE_LOOP = 0x0002, |
| LINE_STRIP = 0x0003, |
| TRIANGLES = 0x0004, |
| TRIANGLE_STRIP = 0x0005, |
| TRIANGLE_FAN = 0x0006, |
| ZERO = 0, |
| ONE = 1, |
| SRC_COLOR = 0x0300, |
| ONE_MINUS_SRC_COLOR = 0x0301, |
| SRC_ALPHA = 0x0302, |
| ONE_MINUS_SRC_ALPHA = 0x0303, |
| DST_ALPHA = 0x0304, |
| ONE_MINUS_DST_ALPHA = 0x0305, |
| DST_COLOR = 0x0306, |
| ONE_MINUS_DST_COLOR = 0x0307, |
| SRC_ALPHA_SATURATE = 0x0308, |
| FUNC_ADD = 0x8006, |
| BLEND_EQUATION = 0x8009, |
| BLEND_EQUATION_RGB = 0x8009, |
| BLEND_EQUATION_ALPHA = 0x883D, |
| FUNC_SUBTRACT = 0x800A, |
| FUNC_REVERSE_SUBTRACT = 0x800B, |
| BLEND_DST_RGB = 0x80C8, |
| BLEND_SRC_RGB = 0x80C9, |
| BLEND_DST_ALPHA = 0x80CA, |
| BLEND_SRC_ALPHA = 0x80CB, |
| CONSTANT_COLOR = 0x8001, |
| ONE_MINUS_CONSTANT_COLOR = 0x8002, |
| CONSTANT_ALPHA = 0x8003, |
| ONE_MINUS_CONSTANT_ALPHA = 0x8004, |
| BLEND_COLOR = 0x8005, |
| ARRAY_BUFFER = 0x8892, |
| ELEMENT_ARRAY_BUFFER = 0x8893, |
| ARRAY_BUFFER_BINDING = 0x8894, |
| ELEMENT_ARRAY_BUFFER_BINDING = 0x8895, |
| STREAM_DRAW = 0x88E0, |
| STATIC_DRAW = 0x88E4, |
| DYNAMIC_DRAW = 0x88E8, |
| BUFFER_SIZE = 0x8764, |
| BUFFER_USAGE = 0x8765, |
| CURRENT_VERTEX_ATTRIB = 0x8626, |
| FRONT = 0x0404, |
| BACK = 0x0405, |
| FRONT_AND_BACK = 0x0408, |
| TEXTURE_2D = 0x0DE1, |
| CULL_FACE = 0x0B44, |
| BLEND = 0x0BE2, |
| DITHER = 0x0BD0, |
| STENCIL_TEST = 0x0B90, |
| DEPTH_TEST = 0x0B71, |
| SCISSOR_TEST = 0x0C11, |
| POLYGON_OFFSET_FILL = 0x8037, |
| SAMPLE_ALPHA_TO_COVERAGE = 0x809E, |
| SAMPLE_COVERAGE = 0x80A0, |
| NO_ERROR = 0, |
| INVALID_ENUM = 0x0500, |
| INVALID_VALUE = 0x0501, |
| INVALID_OPERATION = 0x0502, |
| OUT_OF_MEMORY = 0x0505, |
| CW = 0x0900, |
| CCW = 0x0901, |
| LINE_WIDTH = 0x0B21, |
| ALIASED_POINT_SIZE_RANGE = 0x846D, |
| ALIASED_LINE_WIDTH_RANGE = 0x846E, |
| CULL_FACE_MODE = 0x0B45, |
| FRONT_FACE = 0x0B46, |
| DEPTH_RANGE = 0x0B70, |
| DEPTH_WRITEMASK = 0x0B72, |
| DEPTH_CLEAR_VALUE = 0x0B73, |
| DEPTH_FUNC = 0x0B74, |
| STENCIL_CLEAR_VALUE = 0x0B91, |
| STENCIL_FUNC = 0x0B92, |
| STENCIL_FAIL = 0x0B94, |
| STENCIL_PASS_DEPTH_FAIL = 0x0B95, |
| STENCIL_PASS_DEPTH_PASS = 0x0B96, |
| STENCIL_REF = 0x0B97, |
| STENCIL_VALUE_MASK = 0x0B93, |
| STENCIL_WRITEMASK = 0x0B98, |
| STENCIL_BACK_FUNC = 0x8800, |
| STENCIL_BACK_FAIL = 0x8801, |
| STENCIL_BACK_PASS_DEPTH_FAIL = 0x8802, |
| STENCIL_BACK_PASS_DEPTH_PASS = 0x8803, |
| STENCIL_BACK_REF = 0x8CA3, |
| STENCIL_BACK_VALUE_MASK = 0x8CA4, |
| STENCIL_BACK_WRITEMASK = 0x8CA5, |
| VIEWPORT = 0x0BA2, |
| SCISSOR_BOX = 0x0C10, |
| COLOR_CLEAR_VALUE = 0x0C22, |
| COLOR_WRITEMASK = 0x0C23, |
| UNPACK_ALIGNMENT = 0x0CF5, |
| PACK_ALIGNMENT = 0x0D05, |
| MAX_TEXTURE_SIZE = 0x0D33, |
| MAX_VIEWPORT_DIMS = 0x0D3A, |
| SUBPIXEL_BITS = 0x0D50, |
| RED_BITS = 0x0D52, |
| GREEN_BITS = 0x0D53, |
| BLUE_BITS = 0x0D54, |
| ALPHA_BITS = 0x0D55, |
| DEPTH_BITS = 0x0D56, |
| STENCIL_BITS = 0x0D57, |
| POLYGON_OFFSET_UNITS = 0x2A00, |
| POLYGON_OFFSET_FACTOR = 0x8038, |
| TEXTURE_BINDING_2D = 0x8069, |
| SAMPLE_BUFFERS = 0x80A8, |
| SAMPLES = 0x80A9, |
| SAMPLE_COVERAGE_VALUE = 0x80AA, |
| SAMPLE_COVERAGE_INVERT = 0x80AB, |
| NUM_COMPRESSED_TEXTURE_FORMATS = 0x86A2, |
| COMPRESSED_TEXTURE_FORMATS = 0x86A3, |
| DONT_CARE = 0x1100, |
| FASTEST = 0x1101, |
| NICEST = 0x1102, |
| GENERATE_MIPMAP_HINT = 0x8192, |
| BYTE = 0x1400, |
| UNSIGNED_BYTE = 0x1401, |
| SHORT = 0x1402, |
| UNSIGNED_SHORT = 0x1403, |
| INT = 0x1404, |
| UNSIGNED_INT = 0x1405, |
| FLOAT = 0x1406, |
| HALF_FLOAT_OES = 0x8D61, |
| FIXED = 0x140C, |
| DEPTH_COMPONENT = 0x1902, |
| ALPHA = 0x1906, |
| RGB = 0x1907, |
| RGBA = 0x1908, |
| BGRA = 0x80E1, |
| LUMINANCE = 0x1909, |
| LUMINANCE_ALPHA = 0x190A, |
| UNSIGNED_SHORT_4_4_4_4 = 0x8033, |
| UNSIGNED_SHORT_5_5_5_1 = 0x8034, |
| UNSIGNED_SHORT_5_6_5 = 0x8363, |
| FRAGMENT_SHADER = 0x8B30, |
| VERTEX_SHADER = 0x8B31, |
| MAX_VERTEX_ATTRIBS = 0x8869, |
| MAX_VERTEX_UNIFORM_VECTORS = 0x8DFB, |
| MAX_VARYING_VECTORS = 0x8DFC, |
| MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D, |
| MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C, |
| MAX_TEXTURE_IMAGE_UNITS = 0x8872, |
| MAX_FRAGMENT_UNIFORM_VECTORS = 0x8DFD, |
| SHADER_TYPE = 0x8B4F, |
| DELETE_STATUS = 0x8B80, |
| LINK_STATUS = 0x8B82, |
| VALIDATE_STATUS = 0x8B83, |
| ATTACHED_SHADERS = 0x8B85, |
| ACTIVE_UNIFORMS = 0x8B86, |
| ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87, |
| ACTIVE_ATTRIBUTES = 0x8B89, |
| ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A, |
| SHADING_LANGUAGE_VERSION = 0x8B8C, |
| CURRENT_PROGRAM = 0x8B8D, |
| NEVER = 0x0200, |
| LESS = 0x0201, |
| EQUAL = 0x0202, |
| LEQUAL = 0x0203, |
| GREATER = 0x0204, |
| NOTEQUAL = 0x0205, |
| GEQUAL = 0x0206, |
| ALWAYS = 0x0207, |
| KEEP = 0x1E00, |
| REPLACE = 0x1E01, |
| INCR = 0x1E02, |
| DECR = 0x1E03, |
| INVERT = 0x150A, |
| INCR_WRAP = 0x8507, |
| DECR_WRAP = 0x8508, |
| VENDOR = 0x1F00, |
| RENDERER = 0x1F01, |
| VERSION = 0x1F02, |
| EXTENSIONS = 0x1F03, |
| NEAREST = 0x2600, |
| LINEAR = 0x2601, |
| NEAREST_MIPMAP_NEAREST = 0x2700, |
| LINEAR_MIPMAP_NEAREST = 0x2701, |
| NEAREST_MIPMAP_LINEAR = 0x2702, |
| LINEAR_MIPMAP_LINEAR = 0x2703, |
| TEXTURE_MAG_FILTER = 0x2800, |
| TEXTURE_MIN_FILTER = 0x2801, |
| TEXTURE_WRAP_S = 0x2802, |
| TEXTURE_WRAP_T = 0x2803, |
| TEXTURE = 0x1702, |
| TEXTURE_CUBE_MAP = 0x8513, |
| TEXTURE_BINDING_CUBE_MAP = 0x8514, |
| TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515, |
| TEXTURE_CUBE_MAP_NEGATIVE_X = 0x8516, |
| TEXTURE_CUBE_MAP_POSITIVE_Y = 0x8517, |
| TEXTURE_CUBE_MAP_NEGATIVE_Y = 0x8518, |
| TEXTURE_CUBE_MAP_POSITIVE_Z = 0x8519, |
| TEXTURE_CUBE_MAP_NEGATIVE_Z = 0x851A, |
| MAX_CUBE_MAP_TEXTURE_SIZE = 0x851C, |
| TEXTURE0 = 0x84C0, |
| TEXTURE1 = 0x84C1, |
| TEXTURE2 = 0x84C2, |
| TEXTURE3 = 0x84C3, |
| TEXTURE4 = 0x84C4, |
| TEXTURE5 = 0x84C5, |
| TEXTURE6 = 0x84C6, |
| TEXTURE7 = 0x84C7, |
| TEXTURE8 = 0x84C8, |
| TEXTURE9 = 0x84C9, |
| TEXTURE10 = 0x84CA, |
| TEXTURE11 = 0x84CB, |
| TEXTURE12 = 0x84CC, |
| TEXTURE13 = 0x84CD, |
| TEXTURE14 = 0x84CE, |
| TEXTURE15 = 0x84CF, |
| TEXTURE16 = 0x84D0, |
| TEXTURE17 = 0x84D1, |
| TEXTURE18 = 0x84D2, |
| TEXTURE19 = 0x84D3, |
| TEXTURE20 = 0x84D4, |
| TEXTURE21 = 0x84D5, |
| TEXTURE22 = 0x84D6, |
| TEXTURE23 = 0x84D7, |
| TEXTURE24 = 0x84D8, |
| TEXTURE25 = 0x84D9, |
| TEXTURE26 = 0x84DA, |
| TEXTURE27 = 0x84DB, |
| TEXTURE28 = 0x84DC, |
| TEXTURE29 = 0x84DD, |
| TEXTURE30 = 0x84DE, |
| TEXTURE31 = 0x84DF, |
| ACTIVE_TEXTURE = 0x84E0, |
| REPEAT = 0x2901, |
| CLAMP_TO_EDGE = 0x812F, |
| MIRRORED_REPEAT = 0x8370, |
| FLOAT_VEC2 = 0x8B50, |
| FLOAT_VEC3 = 0x8B51, |
| FLOAT_VEC4 = 0x8B52, |
| INT_VEC2 = 0x8B53, |
| INT_VEC3 = 0x8B54, |
| INT_VEC4 = 0x8B55, |
| BOOL = 0x8B56, |
| BOOL_VEC2 = 0x8B57, |
| BOOL_VEC3 = 0x8B58, |
| BOOL_VEC4 = 0x8B59, |
| FLOAT_MAT2 = 0x8B5A, |
| FLOAT_MAT3 = 0x8B5B, |
| FLOAT_MAT4 = 0x8B5C, |
| SAMPLER_2D = 0x8B5E, |
| SAMPLER_CUBE = 0x8B60, |
| VERTEX_ATTRIB_ARRAY_ENABLED = 0x8622, |
| VERTEX_ATTRIB_ARRAY_SIZE = 0x8623, |
| VERTEX_ATTRIB_ARRAY_STRIDE = 0x8624, |
| VERTEX_ATTRIB_ARRAY_TYPE = 0x8625, |
| VERTEX_ATTRIB_ARRAY_NORMALIZED = 0x886A, |
| VERTEX_ATTRIB_ARRAY_POINTER = 0x8645, |
| VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F, |
| IMPLEMENTATION_COLOR_READ_TYPE = 0x8B9A, |
| IMPLEMENTATION_COLOR_READ_FORMAT = 0x8B9B, |
| COMPILE_STATUS = 0x8B81, |
| INFO_LOG_LENGTH = 0x8B84, |
| SHADER_SOURCE_LENGTH = 0x8B88, |
| SHADER_COMPILER = 0x8DFA, |
| SHADER_BINARY_FORMATS = 0x8DF8, |
| NUM_SHADER_BINARY_FORMATS = 0x8DF9, |
| LOW_FLOAT = 0x8DF0, |
| MEDIUM_FLOAT = 0x8DF1, |
| HIGH_FLOAT = 0x8DF2, |
| LOW_INT = 0x8DF3, |
| MEDIUM_INT = 0x8DF4, |
| HIGH_INT = 0x8DF5, |
| FRAMEBUFFER = 0x8D40, |
| RENDERBUFFER = 0x8D41, |
| RGBA4 = 0x8056, |
| RGB5_A1 = 0x8057, |
| RGB565 = 0x8D62, |
| DEPTH_COMPONENT16 = 0x81A5, |
| STENCIL_INDEX = 0x1901, |
| STENCIL_INDEX8 = 0x8D48, |
| RENDERBUFFER_WIDTH = 0x8D42, |
| RENDERBUFFER_HEIGHT = 0x8D43, |
| RENDERBUFFER_INTERNAL_FORMAT = 0x8D44, |
| RENDERBUFFER_RED_SIZE = 0x8D50, |
| RENDERBUFFER_GREEN_SIZE = 0x8D51, |
| RENDERBUFFER_BLUE_SIZE = 0x8D52, |
| RENDERBUFFER_ALPHA_SIZE = 0x8D53, |
| RENDERBUFFER_DEPTH_SIZE = 0x8D54, |
| RENDERBUFFER_STENCIL_SIZE = 0x8D55, |
| FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = 0x8CD0, |
| FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = 0x8CD1, |
| FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = 0x8CD2, |
| FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3, |
| COLOR_ATTACHMENT0 = 0x8CE0, |
| DEPTH_ATTACHMENT = 0x8D00, |
| STENCIL_ATTACHMENT = 0x8D20, |
| NONE = 0, |
| FRAMEBUFFER_COMPLETE = 0x8CD5, |
| FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 0x8CD6, |
| FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7, |
| FRAMEBUFFER_INCOMPLETE_DIMENSIONS = 0x8CD9, |
| FRAMEBUFFER_UNSUPPORTED = 0x8CDD, |
| FRAMEBUFFER_BINDING = 0x8CA6, |
| RENDERBUFFER_BINDING = 0x8CA7, |
| MAX_RENDERBUFFER_SIZE = 0x84E8, |
| INVALID_FRAMEBUFFER_OPERATION = 0x0506, |
| |
| // WebGL-specific enums |
| UNPACK_FLIP_Y_WEBGL = 0x9240, |
| UNPACK_PREMULTIPLY_ALPHA_WEBGL = 0x9241, |
| CONTEXT_LOST_WEBGL = 0x9242, |
| UNPACK_COLORSPACE_CONVERSION_WEBGL = 0x9243, |
| BROWSER_DEFAULT_WEBGL = 0x9244, |
| VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE = 0x88FE, |
| |
| // WebGL2 constants |
| READ_BUFFER = 0x0C02, |
| UNPACK_ROW_LENGTH = 0x0CF2, |
| UNPACK_SKIP_ROWS = 0x0CF3, |
| UNPACK_SKIP_PIXELS = 0x0CF4, |
| PACK_ROW_LENGTH = 0x0D02, |
| PACK_SKIP_ROWS = 0x0D03, |
| PACK_SKIP_PIXELS = 0x0D04, |
| COLOR = 0x1800, |
| DEPTH = 0x1801, |
| STENCIL = 0x1802, |
| RED = 0x1903, |
| RGB8 = 0x8051, |
| RGBA8 = 0x8058, |
| RGB10_A2 = 0x8059, |
| TEXTURE_BINDING_3D = 0x806A, |
| UNPACK_SKIP_IMAGES = 0x806D, |
| UNPACK_IMAGE_HEIGHT = 0x806E, |
| TEXTURE_3D = 0x806F, |
| TEXTURE_WRAP_R = 0x8072, |
| MAX_3D_TEXTURE_SIZE = 0x8073, |
| UNSIGNED_INT_2_10_10_10_REV = 0x8368, |
| MAX_ELEMENTS_VERTICES = 0x80E8, |
| MAX_ELEMENTS_INDICES = 0x80E9, |
| TEXTURE_MIN_LOD = 0x813A, |
| TEXTURE_MAX_LOD = 0x813B, |
| TEXTURE_BASE_LEVEL = 0x813C, |
| TEXTURE_MAX_LEVEL = 0x813D, |
| MIN = 0x8007, |
| MAX = 0x8008, |
| DEPTH_COMPONENT24 = 0x81A6, |
| MAX_TEXTURE_LOD_BIAS = 0x84FD, |
| TEXTURE_COMPARE_MODE = 0x884C, |
| TEXTURE_COMPARE_FUNC = 0x884D, |
| CURRENT_QUERY = 0x8865, |
| QUERY_RESULT = 0x8866, |
| QUERY_RESULT_AVAILABLE = 0x8867, |
| STREAM_READ = 0x88E1, |
| STREAM_COPY = 0x88E2, |
| STATIC_READ = 0x88E5, |
| STATIC_COPY = 0x88E6, |
| DYNAMIC_READ = 0x88E9, |
| DYNAMIC_COPY = 0x88EA, |
| MAX_DRAW_BUFFERS = 0x8824, |
| DRAW_BUFFER0 = 0x8825, |
| DRAW_BUFFER1 = 0x8826, |
| DRAW_BUFFER2 = 0x8827, |
| DRAW_BUFFER3 = 0x8828, |
| DRAW_BUFFER4 = 0x8829, |
| DRAW_BUFFER5 = 0x882A, |
| DRAW_BUFFER6 = 0x882B, |
| DRAW_BUFFER7 = 0x882C, |
| DRAW_BUFFER8 = 0x882D, |
| DRAW_BUFFER9 = 0x882E, |
| DRAW_BUFFER10 = 0x882F, |
| DRAW_BUFFER11 = 0x8830, |
| DRAW_BUFFER12 = 0x8831, |
| DRAW_BUFFER13 = 0x8832, |
| DRAW_BUFFER14 = 0x8833, |
| DRAW_BUFFER15 = 0x8834, |
| MAX_FRAGMENT_UNIFORM_COMPONENTS = 0x8B49, |
| MAX_VERTEX_UNIFORM_COMPONENTS = 0x8B4A, |
| SAMPLER_3D = 0x8B5F, |
| SAMPLER_2D_SHADOW = 0x8B62, |
| FRAGMENT_SHADER_DERIVATIVE_HINT = 0x8B8B, |
| PIXEL_PACK_BUFFER = 0x88EB, |
| PIXEL_UNPACK_BUFFER = 0x88EC, |
| PIXEL_PACK_BUFFER_BINDING = 0x88ED, |
| PIXEL_UNPACK_BUFFER_BINDING = 0x88EF, |
| FLOAT_MAT2x3 = 0x8B65, |
| FLOAT_MAT2x4 = 0x8B66, |
| FLOAT_MAT3x2 = 0x8B67, |
| FLOAT_MAT3x4 = 0x8B68, |
| FLOAT_MAT4x2 = 0x8B69, |
| FLOAT_MAT4x3 = 0x8B6A, |
| SRGB = 0x8C40, |
| SRGB8 = 0x8C41, |
| SRGB_ALPHA = 0x8C42, |
| SRGB8_ALPHA8 = 0x8C43, |
| COMPARE_REF_TO_TEXTURE = 0x884E, |
| RGBA32F = 0x8814, |
| RGB32F = 0x8815, |
| RGBA16F = 0x881A, |
| RGB16F = 0x881B, |
| VERTEX_ATTRIB_ARRAY_INTEGER = 0x88FD, |
| MAX_ARRAY_TEXTURE_LAYERS = 0x88FF, |
| MIN_PROGRAM_TEXEL_OFFSET = 0x8904, |
| MAX_PROGRAM_TEXEL_OFFSET = 0x8905, |
| MAX_VARYING_COMPONENTS = 0x8B4B, |
| TEXTURE_2D_ARRAY = 0x8C1A, |
| TEXTURE_BINDING_2D_ARRAY = 0x8C1D, |
| R11F_G11F_B10F = 0x8C3A, |
| UNSIGNED_INT_10F_11F_11F_REV = 0x8C3B, |
| RGB9_E5 = 0x8C3D, |
| UNSIGNED_INT_5_9_9_9_REV = 0x8C3E, |
| TRANSFORM_FEEDBACK_BUFFER_MODE = 0x8C7F, |
| MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS = 0x8C80, |
| TRANSFORM_FEEDBACK_VARYINGS = 0x8C83, |
| TRANSFORM_FEEDBACK_BUFFER_START = 0x8C84, |
| TRANSFORM_FEEDBACK_BUFFER_SIZE = 0x8C85, |
| TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN = 0x8C88, |
| RASTERIZER_DISCARD = 0x8C89, |
| MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS = 0x8C8A, |
| MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS = 0x8C8B, |
| INTERLEAVED_ATTRIBS = 0x8C8C, |
| SEPARATE_ATTRIBS = 0x8C8D, |
| TRANSFORM_FEEDBACK_BUFFER = 0x8C8E, |
| TRANSFORM_FEEDBACK_BUFFER_BINDING = 0x8C8F, |
| RGBA32UI = 0x8D70, |
| RGB32UI = 0x8D71, |
| RGBA16UI = 0x8D76, |
| RGB16UI = 0x8D77, |
| RGBA8UI = 0x8D7C, |
| RGB8UI = 0x8D7D, |
| RGBA32I = 0x8D82, |
| RGB32I = 0x8D83, |
| RGBA16I = 0x8D88, |
| RGB16I = 0x8D89, |
| RGBA8I = 0x8D8E, |
| RGB8I = 0x8D8F, |
| RED_INTEGER = 0x8D94, |
| RGB_INTEGER = 0x8D98, |
| RGBA_INTEGER = 0x8D99, |
| SAMPLER_2D_ARRAY = 0x8DC1, |
| SAMPLER_2D_ARRAY_SHADOW = 0x8DC4, |
| SAMPLER_CUBE_SHADOW = 0x8DC5, |
| UNSIGNED_INT_VEC2 = 0x8DC6, |
| UNSIGNED_INT_VEC3 = 0x8DC7, |
| UNSIGNED_INT_VEC4 = 0x8DC8, |
| INT_SAMPLER_2D = 0x8DCA, |
| INT_SAMPLER_3D = 0x8DCB, |
| INT_SAMPLER_CUBE = 0x8DCC, |
| INT_SAMPLER_2D_ARRAY = 0x8DCF, |
| UNSIGNED_INT_SAMPLER_2D = 0x8DD2, |
| UNSIGNED_INT_SAMPLER_3D = 0x8DD3, |
| UNSIGNED_INT_SAMPLER_CUBE = 0x8DD4, |
| UNSIGNED_INT_SAMPLER_2D_ARRAY = 0x8DD7, |
| DEPTH_COMPONENT32F = 0x8CAC, |
| DEPTH32F_STENCIL8 = 0x8CAD, |
| FLOAT_32_UNSIGNED_INT_24_8_REV = 0x8DAD, |
| FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING = 0x8210, |
| FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE = 0x8211, |
| FRAMEBUFFER_ATTACHMENT_RED_SIZE = 0x8212, |
| FRAMEBUFFER_ATTACHMENT_GREEN_SIZE = 0x8213, |
| FRAMEBUFFER_ATTACHMENT_BLUE_SIZE = 0x8214, |
| FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE = 0x8215, |
| FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE = 0x8216, |
| FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE = 0x8217, |
| FRAMEBUFFER_DEFAULT = 0x8218, |
| DEPTH_STENCIL_ATTACHMENT = 0x821A, |
| DEPTH_STENCIL = 0x84F9, |
| UNSIGNED_INT_24_8 = 0x84FA, |
| DEPTH24_STENCIL8 = 0x88F0, |
| UNSIGNED_NORMALIZED = 0x8C17, |
| DRAW_FRAMEBUFFER_BINDING = 0x8CA6, /* Same as FRAMEBUFFER_BINDING */ |
| READ_FRAMEBUFFER = 0x8CA8, |
| DRAW_FRAMEBUFFER = 0x8CA9, |
| READ_FRAMEBUFFER_BINDING = 0x8CAA, |
| RENDERBUFFER_SAMPLES = 0x8CAB, |
| FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER = 0x8CD4, |
| MAX_COLOR_ATTACHMENTS = 0x8CDF, |
| COLOR_ATTACHMENT1 = 0x8CE1, |
| COLOR_ATTACHMENT2 = 0x8CE2, |
| COLOR_ATTACHMENT3 = 0x8CE3, |
| COLOR_ATTACHMENT4 = 0x8CE4, |
| COLOR_ATTACHMENT5 = 0x8CE5, |
| COLOR_ATTACHMENT6 = 0x8CE6, |
| COLOR_ATTACHMENT7 = 0x8CE7, |
| COLOR_ATTACHMENT8 = 0x8CE8, |
| COLOR_ATTACHMENT9 = 0x8CE9, |
| COLOR_ATTACHMENT10 = 0x8CEA, |
| COLOR_ATTACHMENT11 = 0x8CEB, |
| COLOR_ATTACHMENT12 = 0x8CEC, |
| COLOR_ATTACHMENT13 = 0x8CED, |
| COLOR_ATTACHMENT14 = 0x8CEE, |
| COLOR_ATTACHMENT15 = 0x8CEF, |
| FRAMEBUFFER_INCOMPLETE_MULTISAMPLE = 0x8D56, |
| MAX_SAMPLES = 0x8D57, |
| HALF_FLOAT = 0x140B, |
| RG = 0x8227, |
| RG_INTEGER = 0x8228, |
| R8 = 0x8229, |
| RG8 = 0x822B, |
| R16F = 0x822D, |
| R32F = 0x822E, |
| RG16F = 0x822F, |
| RG32F = 0x8230, |
| R8I = 0x8231, |
| R8UI = 0x8232, |
| R16I = 0x8233, |
| R16UI = 0x8234, |
| R32I = 0x8235, |
| R32UI = 0x8236, |
| RG8I = 0x8237, |
| RG8UI = 0x8238, |
| RG16I = 0x8239, |
| RG16UI = 0x823A, |
| RG32I = 0x823B, |
| RG32UI = 0x823C, |
| VERTEX_ARRAY_BINDING = 0x85B5, |
| R8_SNORM = 0x8F94, |
| RG8_SNORM = 0x8F95, |
| RGB8_SNORM = 0x8F96, |
| RGBA8_SNORM = 0x8F97, |
| SIGNED_NORMALIZED = 0x8F9C, |
| COPY_READ_BUFFER = 0x8F36, |
| COPY_WRITE_BUFFER = 0x8F37, |
| COPY_READ_BUFFER_BINDING = 0x8F36, /* Same as COPY_READ_BUFFER */ |
| COPY_WRITE_BUFFER_BINDING = 0x8F37, /* Same as COPY_WRITE_BUFFER */ |
| UNIFORM_BUFFER = 0x8A11, |
| UNIFORM_BUFFER_BINDING = 0x8A28, |
| UNIFORM_BUFFER_START = 0x8A29, |
| UNIFORM_BUFFER_SIZE = 0x8A2A, |
| MAX_VERTEX_UNIFORM_BLOCKS = 0x8A2B, |
| MAX_FRAGMENT_UNIFORM_BLOCKS = 0x8A2D, |
| MAX_COMBINED_UNIFORM_BLOCKS = 0x8A2E, |
| MAX_UNIFORM_BUFFER_BINDINGS = 0x8A2F, |
| MAX_UNIFORM_BLOCK_SIZE = 0x8A30, |
| MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS = 0x8A31, |
| MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS = 0x8A33, |
| UNIFORM_BUFFER_OFFSET_ALIGNMENT = 0x8A34, |
| ACTIVE_UNIFORM_BLOCKS = 0x8A36, |
| UNIFORM_TYPE = 0x8A37, |
| UNIFORM_SIZE = 0x8A38, |
| UNIFORM_BLOCK_INDEX = 0x8A3A, |
| UNIFORM_OFFSET = 0x8A3B, |
| UNIFORM_ARRAY_STRIDE = 0x8A3C, |
| UNIFORM_MATRIX_STRIDE = 0x8A3D, |
| UNIFORM_IS_ROW_MAJOR = 0x8A3E, |
| UNIFORM_BLOCK_BINDING = 0x8A3F, |
| UNIFORM_BLOCK_DATA_SIZE = 0x8A40, |
| UNIFORM_BLOCK_ACTIVE_UNIFORMS = 0x8A42, |
| UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES = 0x8A43, |
| UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER = 0x8A44, |
| UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER = 0x8A46, |
| INVALID_INDEX = 0xFFFFFFFF, |
| MAX_VERTEX_OUTPUT_COMPONENTS = 0x9122, |
| MAX_FRAGMENT_INPUT_COMPONENTS = 0x9125, |
| MAX_SERVER_WAIT_TIMEOUT = 0x9111, |
| OBJECT_TYPE = 0x9112, |
| SYNC_CONDITION = 0x9113, |
| SYNC_STATUS = 0x9114, |
| SYNC_FLAGS = 0x9115, |
| SYNC_FENCE = 0x9116, |
| SYNC_GPU_COMMANDS_COMPLETE = 0x9117, |
| UNSIGNALED = 0x9118, |
| SIGNALED = 0x9119, |
| ALREADY_SIGNALED = 0x911A, |
| TIMEOUT_EXPIRED = 0x911B, |
| CONDITION_SATISFIED = 0x911C, |
| #if PLATFORM(WIN) |
| WAIT_FAILED_WIN = 0x911D, |
| #else |
| WAIT_FAILED = 0x911D, |
| #endif |
| SYNC_FLUSH_COMMANDS_BIT = 0x00000001, |
| VERTEX_ATTRIB_ARRAY_DIVISOR = 0x88FE, |
| ANY_SAMPLES_PASSED = 0x8C2F, |
| ANY_SAMPLES_PASSED_CONSERVATIVE = 0x8D6A, |
| SAMPLER_BINDING = 0x8919, |
| RGB10_A2UI = 0x906F, |
| TEXTURE_SWIZZLE_R = 0x8E42, |
| TEXTURE_SWIZZLE_G = 0x8E43, |
| TEXTURE_SWIZZLE_B = 0x8E44, |
| TEXTURE_SWIZZLE_A = 0x8E45, |
| GREEN = 0x1904, |
| BLUE = 0x1905, |
| INT_2_10_10_10_REV = 0x8D9F, |
| TRANSFORM_FEEDBACK = 0x8E22, |
| TRANSFORM_FEEDBACK_PAUSED = 0x8E23, |
| TRANSFORM_FEEDBACK_ACTIVE = 0x8E24, |
| TRANSFORM_FEEDBACK_BINDING = 0x8E25, |
| COMPRESSED_R11_EAC = 0x9270, |
| COMPRESSED_SIGNED_R11_EAC = 0x9271, |
| COMPRESSED_RG11_EAC = 0x9272, |
| COMPRESSED_SIGNED_RG11_EAC = 0x9273, |
| COMPRESSED_RGB8_ETC2 = 0x9274, |
| COMPRESSED_SRGB8_ETC2 = 0x9275, |
| COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9276, |
| COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 = 0x9277, |
| COMPRESSED_RGBA8_ETC2_EAC = 0x9278, |
| COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9279, |
| TEXTURE_IMMUTABLE_FORMAT = 0x912F, |
| MAX_ELEMENT_INDEX = 0x8D6B, |
| NUM_SAMPLE_COUNTS = 0x9380, |
| TEXTURE_IMMUTABLE_LEVELS = 0x82DF, |
| PRIMITIVE_RESTART_FIXED_INDEX = 0x8D69, |
| PRIMITIVE_RESTART = 0x8F9D, |
| |
| // OpenGL ES 3 constants |
| MAP_READ_BIT = 0x0001 |
| }; |
| |
| enum RenderStyle { |
| RenderOffscreen, |
| RenderDirectlyToHostWindow, |
| }; |
| |
| class ContextLostCallback { |
| public: |
| virtual void onContextLost() = 0; |
| virtual ~ContextLostCallback() = default; |
| }; |
| |
| class ErrorMessageCallback { |
| public: |
| virtual void onErrorMessage(const String& message, GC3Dint id) = 0; |
| virtual ~ErrorMessageCallback() = default; |
| }; |
| |
| void setContextLostCallback(std::unique_ptr<ContextLostCallback>); |
| void setErrorMessageCallback(std::unique_ptr<ErrorMessageCallback>); |
| |
| static RefPtr<GraphicsContext3D> create(GraphicsContext3DAttributes, HostWindow*, RenderStyle = RenderOffscreen); |
| ~GraphicsContext3D(); |
| |
| #if PLATFORM(COCOA) |
| static Ref<GraphicsContext3D> createShared(GraphicsContext3D& sharedContext); |
| #endif |
| |
| #if PLATFORM(COCOA) |
| PlatformGraphicsContext3D platformGraphicsContext3D() const { return m_contextObj; } |
| Platform3DObject platformTexture() const { return m_texture; } |
| CALayer* platformLayer() const { return reinterpret_cast<CALayer*>(m_webGLLayer.get()); } |
| #else |
| PlatformGraphicsContext3D platformGraphicsContext3D(); |
| Platform3DObject platformTexture() const; |
| PlatformLayer* platformLayer() const; |
| #endif |
| |
| bool makeContextCurrent(); |
| |
| void addClient(Client& client) { m_clients.add(&client); } |
| void removeClient(Client& client) { m_clients.remove(&client); } |
| |
| // With multisampling on, blit from multisampleFBO to regular FBO. |
| void prepareTexture(); |
| |
| // Equivalent to ::glTexImage2D(). Allows pixels==0 with no allocation. |
| void texImage2DDirect(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, const void* pixels); |
| |
| // Get an attribute location without checking the name -> mangledname mapping. |
| int getAttribLocationDirect(Platform3DObject program, const String& name); |
| |
| // Compile a shader without going through ANGLE. |
| void compileShaderDirect(Platform3DObject); |
| |
| // Helper to texImage2D with pixel==0 case: pixels are initialized to 0. |
| // Return true if no GL error is synthesized. |
| // By default, alignment is 4, the OpenGL default setting. |
| bool texImage2DResourceSafe(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, GC3Dint alignment = 4); |
| |
| bool isGLES2Compliant() const; |
| |
| //---------------------------------------------------------------------- |
| // Helpers for texture uploading and pixel readback. |
| // |
| |
| // Computes the components per pixel and bytes per component |
| // for the given format and type combination. Returns false if |
| // either was an invalid enum. |
| static bool computeFormatAndTypeParameters(GC3Denum format, |
| GC3Denum type, |
| unsigned int* componentsPerPixel, |
| unsigned int* bytesPerComponent); |
| |
| // Computes the image size in bytes. If paddingInBytes is not null, padding |
| // is also calculated in return. Returns NO_ERROR if succeed, otherwise |
| // return the suggested GL error indicating the cause of the failure: |
| // INVALID_VALUE if width/height is negative or overflow happens. |
| // INVALID_ENUM if format/type is illegal. |
| static GC3Denum computeImageSizeInBytes(GC3Denum format, |
| GC3Denum type, |
| GC3Dsizei width, |
| GC3Dsizei height, |
| GC3Dint alignment, |
| unsigned int* imageSizeInBytes, |
| unsigned int* paddingInBytes); |
| |
| static bool possibleFormatAndTypeForInternalFormat(GC3Denum internalFormat, GC3Denum& format, GC3Denum& type); |
| |
| // Extracts the contents of the given ImageData into the passed Vector, |
| // packing the pixel data according to the given format and type, |
| // and obeying the flipY and premultiplyAlpha flags. Returns true |
| // upon success. |
| static bool extractImageData(ImageData*, |
| GC3Denum format, |
| GC3Denum type, |
| bool flipY, |
| bool premultiplyAlpha, |
| Vector<uint8_t>& data); |
| |
| // Helper function which extracts the user-supplied texture |
| // data, applying the flipY and premultiplyAlpha parameters. |
| // If the data is not tightly packed according to the passed |
| // unpackAlignment, the output data will be tightly packed. |
| // Returns true if successful, false if any error occurred. |
| static bool extractTextureData(unsigned int width, unsigned int height, |
| GC3Denum format, GC3Denum type, |
| unsigned int unpackAlignment, |
| bool flipY, bool premultiplyAlpha, |
| const void* pixels, |
| Vector<uint8_t>& data); |
| |
| |
| // Attempt to enumerate all possible native image formats to |
| // reduce the amount of temporary allocations during texture |
| // uploading. This enum must be public because it is accessed |
| // by non-member functions. |
| enum DataFormat { |
| DataFormatRGBA8 = 0, |
| DataFormatRGBA16Little, |
| DataFormatRGBA16Big, |
| DataFormatRGBA16F, |
| DataFormatRGBA32F, |
| DataFormatRGB8, |
| DataFormatRGB16Little, |
| DataFormatRGB16Big, |
| DataFormatRGB16F, |
| DataFormatRGB32F, |
| DataFormatBGR8, |
| DataFormatBGRA8, |
| DataFormatBGRA16Little, |
| DataFormatBGRA16Big, |
| DataFormatARGB8, |
| DataFormatARGB16Little, |
| DataFormatARGB16Big, |
| DataFormatABGR8, |
| DataFormatRGBA5551, |
| DataFormatRGBA4444, |
| DataFormatRGB565, |
| DataFormatR8, |
| DataFormatR16Little, |
| DataFormatR16Big, |
| DataFormatR16F, |
| DataFormatR32F, |
| DataFormatRA8, |
| DataFormatRA16Little, |
| DataFormatRA16Big, |
| DataFormatRA16F, |
| DataFormatRA32F, |
| DataFormatAR8, |
| DataFormatAR16Little, |
| DataFormatAR16Big, |
| DataFormatA8, |
| DataFormatA16Little, |
| DataFormatA16Big, |
| DataFormatA16F, |
| DataFormatA32F, |
| DataFormatNumFormats |
| }; |
| |
| ALWAYS_INLINE static bool hasAlpha(DataFormat format) |
| { |
| switch (format) { |
| case GraphicsContext3D::DataFormatA8: |
| case GraphicsContext3D::DataFormatA16F: |
| case GraphicsContext3D::DataFormatA32F: |
| case GraphicsContext3D::DataFormatRA8: |
| case GraphicsContext3D::DataFormatAR8: |
| case GraphicsContext3D::DataFormatRA16F: |
| case GraphicsContext3D::DataFormatRA32F: |
| case GraphicsContext3D::DataFormatRGBA8: |
| case GraphicsContext3D::DataFormatBGRA8: |
| case GraphicsContext3D::DataFormatARGB8: |
| case GraphicsContext3D::DataFormatABGR8: |
| case GraphicsContext3D::DataFormatRGBA16F: |
| case GraphicsContext3D::DataFormatRGBA32F: |
| case GraphicsContext3D::DataFormatRGBA4444: |
| case GraphicsContext3D::DataFormatRGBA5551: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| ALWAYS_INLINE static bool hasColor(DataFormat format) |
| { |
| switch (format) { |
| case GraphicsContext3D::DataFormatRGBA8: |
| case GraphicsContext3D::DataFormatRGBA16F: |
| case GraphicsContext3D::DataFormatRGBA32F: |
| case GraphicsContext3D::DataFormatRGB8: |
| case GraphicsContext3D::DataFormatRGB16F: |
| case GraphicsContext3D::DataFormatRGB32F: |
| case GraphicsContext3D::DataFormatBGR8: |
| case GraphicsContext3D::DataFormatBGRA8: |
| case GraphicsContext3D::DataFormatARGB8: |
| case GraphicsContext3D::DataFormatABGR8: |
| case GraphicsContext3D::DataFormatRGBA5551: |
| case GraphicsContext3D::DataFormatRGBA4444: |
| case GraphicsContext3D::DataFormatRGB565: |
| case GraphicsContext3D::DataFormatR8: |
| case GraphicsContext3D::DataFormatR16F: |
| case GraphicsContext3D::DataFormatR32F: |
| case GraphicsContext3D::DataFormatRA8: |
| case GraphicsContext3D::DataFormatRA16F: |
| case GraphicsContext3D::DataFormatRA32F: |
| case GraphicsContext3D::DataFormatAR8: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| // Check if the format is one of the formats from the ImageData or DOM elements. |
| // The formats from ImageData is always RGBA8. |
| // The formats from DOM elements vary with Graphics ports. It can only be RGBA8 or BGRA8 for non-CG port while a little more for CG port. |
| static ALWAYS_INLINE bool srcFormatComesFromDOMElementOrImageData(DataFormat SrcFormat) |
| { |
| #if USE(CG) |
| #if CPU(BIG_ENDIAN) |
| return SrcFormat == DataFormatRGBA8 || SrcFormat == DataFormatARGB8 || SrcFormat == DataFormatRGB8 |
| || SrcFormat == DataFormatRA8 || SrcFormat == DataFormatAR8 || SrcFormat == DataFormatR8 || SrcFormat == DataFormatA8; |
| #else |
| // That LITTLE_ENDIAN case has more possible formats than BIG_ENDIAN case is because some decoded image data is actually big endian |
| // even on little endian architectures. |
| return SrcFormat == DataFormatBGRA8 || SrcFormat == DataFormatABGR8 || SrcFormat == DataFormatBGR8 |
| || SrcFormat == DataFormatRGBA8 || SrcFormat == DataFormatARGB8 || SrcFormat == DataFormatRGB8 |
| || SrcFormat == DataFormatR8 || SrcFormat == DataFormatA8 |
| || SrcFormat == DataFormatRA8 || SrcFormat == DataFormatAR8; |
| #endif |
| #else |
| return SrcFormat == DataFormatBGRA8 || SrcFormat == DataFormatRGBA8; |
| #endif |
| } |
| |
| //---------------------------------------------------------------------- |
| // Entry points for WebGL. |
| // |
| |
| void activeTexture(GC3Denum texture); |
| void attachShader(Platform3DObject program, Platform3DObject shader); |
| void bindAttribLocation(Platform3DObject, GC3Duint index, const String& name); |
| void bindBuffer(GC3Denum target, Platform3DObject); |
| void bindFramebuffer(GC3Denum target, Platform3DObject); |
| void bindRenderbuffer(GC3Denum target, Platform3DObject); |
| void bindTexture(GC3Denum target, Platform3DObject); |
| void blendColor(GC3Dclampf red, GC3Dclampf green, GC3Dclampf blue, GC3Dclampf alpha); |
| void blendEquation(GC3Denum mode); |
| void blendEquationSeparate(GC3Denum modeRGB, GC3Denum modeAlpha); |
| void blendFunc(GC3Denum sfactor, GC3Denum dfactor); |
| void blendFuncSeparate(GC3Denum srcRGB, GC3Denum dstRGB, GC3Denum srcAlpha, GC3Denum dstAlpha); |
| |
| void bufferData(GC3Denum target, GC3Dsizeiptr size, GC3Denum usage); |
| void bufferData(GC3Denum target, GC3Dsizeiptr size, const void* data, GC3Denum usage); |
| void bufferSubData(GC3Denum target, GC3Dintptr offset, GC3Dsizeiptr size, const void* data); |
| |
| void* mapBufferRange(GC3Denum target, GC3Dintptr offset, GC3Dsizeiptr length, GC3Dbitfield access); |
| GC3Dboolean unmapBuffer(GC3Denum target); |
| void copyBufferSubData(GC3Denum readTarget, GC3Denum writeTarget, GC3Dintptr readOffset, GC3Dintptr writeOffset, GC3Dsizeiptr); |
| |
| void getInternalformativ(GC3Denum target, GC3Denum internalformat, GC3Denum pname, GC3Dsizei bufSize, GC3Dint* params); |
| void renderbufferStorageMultisample(GC3Denum target, GC3Dsizei samples, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height); |
| |
| void texStorage2D(GC3Denum target, GC3Dsizei levels, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height); |
| void texStorage3D(GC3Denum target, GC3Dsizei levels, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dsizei depth); |
| |
| void getActiveUniforms(Platform3DObject program, const Vector<GC3Duint>& uniformIndices, GC3Denum pname, Vector<GC3Dint>& params); |
| |
| GC3Denum checkFramebufferStatus(GC3Denum target); |
| void clear(GC3Dbitfield mask); |
| void clearColor(GC3Dclampf red, GC3Dclampf green, GC3Dclampf blue, GC3Dclampf alpha); |
| void clearDepth(GC3Dclampf depth); |
| void clearStencil(GC3Dint s); |
| void colorMask(GC3Dboolean red, GC3Dboolean green, GC3Dboolean blue, GC3Dboolean alpha); |
| void compileShader(Platform3DObject); |
| |
| void compressedTexImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Dsizei imageSize, const void* data); |
| void compressedTexSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Dsizei imageSize, const void* data); |
| void copyTexImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height, GC3Dint border); |
| void copyTexSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height); |
| void cullFace(GC3Denum mode); |
| void depthFunc(GC3Denum func); |
| void depthMask(GC3Dboolean flag); |
| void depthRange(GC3Dclampf zNear, GC3Dclampf zFar); |
| void detachShader(Platform3DObject, Platform3DObject); |
| void disable(GC3Denum cap); |
| void disableVertexAttribArray(GC3Duint index); |
| void drawArrays(GC3Denum mode, GC3Dint first, GC3Dsizei count); |
| void drawElements(GC3Denum mode, GC3Dsizei count, GC3Denum type, GC3Dintptr offset); |
| |
| void enable(GC3Denum cap); |
| void enableVertexAttribArray(GC3Duint index); |
| void finish(); |
| void flush(); |
| void framebufferRenderbuffer(GC3Denum target, GC3Denum attachment, GC3Denum renderbuffertarget, Platform3DObject); |
| void framebufferTexture2D(GC3Denum target, GC3Denum attachment, GC3Denum textarget, Platform3DObject, GC3Dint level); |
| void frontFace(GC3Denum mode); |
| void generateMipmap(GC3Denum target); |
| |
| bool getActiveAttrib(Platform3DObject program, GC3Duint index, ActiveInfo&); |
| bool getActiveAttribImpl(Platform3DObject program, GC3Duint index, ActiveInfo&); |
| bool getActiveUniform(Platform3DObject program, GC3Duint index, ActiveInfo&); |
| bool getActiveUniformImpl(Platform3DObject program, GC3Duint index, ActiveInfo&); |
| void getAttachedShaders(Platform3DObject program, GC3Dsizei maxCount, GC3Dsizei* count, Platform3DObject* shaders); |
| GC3Dint getAttribLocation(Platform3DObject, const String& name); |
| void getBooleanv(GC3Denum pname, GC3Dboolean* value); |
| void getBufferParameteriv(GC3Denum target, GC3Denum pname, GC3Dint* value); |
| GraphicsContext3DAttributes getContextAttributes(); |
| GC3Denum getError(); |
| void getFloatv(GC3Denum pname, GC3Dfloat* value); |
| void getFramebufferAttachmentParameteriv(GC3Denum target, GC3Denum attachment, GC3Denum pname, GC3Dint* value); |
| void getIntegerv(GC3Denum pname, GC3Dint* value); |
| void getInteger64v(GC3Denum pname, GC3Dint64* value); |
| void getProgramiv(Platform3DObject program, GC3Denum pname, GC3Dint* value); |
| #if !USE(ANGLE) |
| void getNonBuiltInActiveSymbolCount(Platform3DObject program, GC3Denum pname, GC3Dint* value); |
| #endif // !USE(ANGLE) |
| String getProgramInfoLog(Platform3DObject); |
| String getUnmangledInfoLog(Platform3DObject[2], GC3Dsizei, const String&); |
| void getRenderbufferParameteriv(GC3Denum target, GC3Denum pname, GC3Dint* value); |
| void getShaderiv(Platform3DObject, GC3Denum pname, GC3Dint* value); |
| String getShaderInfoLog(Platform3DObject); |
| void getShaderPrecisionFormat(GC3Denum shaderType, GC3Denum precisionType, GC3Dint* range, GC3Dint* precision); |
| #if !USE(ANGLE) |
| String getShaderSource(Platform3DObject); |
| #endif // !USE(ANGLE) |
| String getString(GC3Denum name); |
| void getTexParameterfv(GC3Denum target, GC3Denum pname, GC3Dfloat* value); |
| void getTexParameteriv(GC3Denum target, GC3Denum pname, GC3Dint* value); |
| void getUniformfv(Platform3DObject program, GC3Dint location, GC3Dfloat* value); |
| void getUniformiv(Platform3DObject program, GC3Dint location, GC3Dint* value); |
| GC3Dint getUniformLocation(Platform3DObject, const String& name); |
| void getVertexAttribfv(GC3Duint index, GC3Denum pname, GC3Dfloat* value); |
| void getVertexAttribiv(GC3Duint index, GC3Denum pname, GC3Dint* value); |
| GC3Dsizeiptr getVertexAttribOffset(GC3Duint index, GC3Denum pname); |
| |
| void hint(GC3Denum target, GC3Denum mode); |
| GC3Dboolean isBuffer(Platform3DObject); |
| GC3Dboolean isEnabled(GC3Denum cap); |
| GC3Dboolean isFramebuffer(Platform3DObject); |
| GC3Dboolean isProgram(Platform3DObject); |
| GC3Dboolean isRenderbuffer(Platform3DObject); |
| GC3Dboolean isShader(Platform3DObject); |
| GC3Dboolean isTexture(Platform3DObject); |
| void lineWidth(GC3Dfloat); |
| void linkProgram(Platform3DObject); |
| void pixelStorei(GC3Denum pname, GC3Dint param); |
| void polygonOffset(GC3Dfloat factor, GC3Dfloat units); |
| |
| void readPixels(GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, void* data); |
| |
| void releaseShaderCompiler(); |
| |
| void renderbufferStorage(GC3Denum target, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height); |
| void sampleCoverage(GC3Dclampf value, GC3Dboolean invert); |
| void scissor(GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height); |
| void shaderSource(Platform3DObject, const String& string); |
| void stencilFunc(GC3Denum func, GC3Dint ref, GC3Duint mask); |
| void stencilFuncSeparate(GC3Denum face, GC3Denum func, GC3Dint ref, GC3Duint mask); |
| void stencilMask(GC3Duint mask); |
| void stencilMaskSeparate(GC3Denum face, GC3Duint mask); |
| void stencilOp(GC3Denum fail, GC3Denum zfail, GC3Denum zpass); |
| void stencilOpSeparate(GC3Denum face, GC3Denum fail, GC3Denum zfail, GC3Denum zpass); |
| |
| bool texImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, const void* pixels); |
| void texParameterf(GC3Denum target, GC3Denum pname, GC3Dfloat param); |
| void texParameteri(GC3Denum target, GC3Denum pname, GC3Dint param); |
| void texSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, const void* pixels); |
| |
| void uniform1f(GC3Dint location, GC3Dfloat x); |
| void uniform1fv(GC3Dint location, GC3Dsizei, const GC3Dfloat* v); |
| void uniform1i(GC3Dint location, GC3Dint x); |
| void uniform1iv(GC3Dint location, GC3Dsizei, const GC3Dint* v); |
| void uniform2f(GC3Dint location, GC3Dfloat x, GC3Dfloat y); |
| void uniform2fv(GC3Dint location, GC3Dsizei, const GC3Dfloat* v); |
| void uniform2i(GC3Dint location, GC3Dint x, GC3Dint y); |
| void uniform2iv(GC3Dint location, GC3Dsizei, const GC3Dint* v); |
| void uniform3f(GC3Dint location, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z); |
| void uniform3fv(GC3Dint location, GC3Dsizei, const GC3Dfloat* v); |
| void uniform3i(GC3Dint location, GC3Dint x, GC3Dint y, GC3Dint z); |
| void uniform3iv(GC3Dint location, GC3Dsizei, const GC3Dint* v); |
| void uniform4f(GC3Dint location, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z, GC3Dfloat w); |
| void uniform4fv(GC3Dint location, GC3Dsizei, const GC3Dfloat* v); |
| void uniform4i(GC3Dint location, GC3Dint x, GC3Dint y, GC3Dint z, GC3Dint w); |
| void uniform4iv(GC3Dint location, GC3Dsizei, const GC3Dint* v); |
| void uniformMatrix2fv(GC3Dint location, GC3Dsizei, GC3Dboolean transpose, const GC3Dfloat* value); |
| void uniformMatrix3fv(GC3Dint location, GC3Dsizei, GC3Dboolean transpose, const GC3Dfloat* value); |
| void uniformMatrix4fv(GC3Dint location, GC3Dsizei, GC3Dboolean transpose, const GC3Dfloat* value); |
| |
| void useProgram(Platform3DObject); |
| void validateProgram(Platform3DObject); |
| #if !USE(ANGLE) |
| bool checkVaryingsPacking(Platform3DObject vertexShader, Platform3DObject fragmentShader) const; |
| bool precisionsMatch(Platform3DObject vertexShader, Platform3DObject fragmentShader) const; |
| #endif |
| |
| void vertexAttrib1f(GC3Duint index, GC3Dfloat x); |
| void vertexAttrib1fv(GC3Duint index, const GC3Dfloat* values); |
| void vertexAttrib2f(GC3Duint index, GC3Dfloat x, GC3Dfloat y); |
| void vertexAttrib2fv(GC3Duint index, const GC3Dfloat* values); |
| void vertexAttrib3f(GC3Duint index, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z); |
| void vertexAttrib3fv(GC3Duint index, const GC3Dfloat* values); |
| void vertexAttrib4f(GC3Duint index, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z, GC3Dfloat w); |
| void vertexAttrib4fv(GC3Duint index, const GC3Dfloat* values); |
| void vertexAttribPointer(GC3Duint index, GC3Dint size, GC3Denum type, GC3Dboolean normalized, |
| GC3Dsizei stride, GC3Dintptr offset); |
| |
| void viewport(GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height); |
| |
| void reshape(int width, int height); |
| |
| void drawArraysInstanced(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount); |
| void drawElementsInstanced(GC3Denum mode, GC3Dsizei count, GC3Denum type, GC3Dintptr offset, GC3Dsizei primcount); |
| void vertexAttribDivisor(GC3Duint index, GC3Duint divisor); |
| |
| // VertexArrayOject calls |
| Platform3DObject createVertexArray(); |
| void deleteVertexArray(Platform3DObject); |
| GC3Dboolean isVertexArray(Platform3DObject); |
| void bindVertexArray(Platform3DObject); |
| |
| void paintToCanvas(const unsigned char* imagePixels, const IntSize& imageSize, const IntSize& canvasSize, GraphicsContext&); |
| |
| void markContextChanged(); |
| void markLayerComposited(); |
| bool layerComposited() const; |
| void forceContextLost(); |
| void recycleContext(); |
| |
| void dispatchContextChangedNotification(); |
| void simulateContextChanged(); |
| |
| void paintRenderingResultsToCanvas(ImageBuffer*); |
| RefPtr<ImageData> paintRenderingResultsToImageData(); |
| bool paintCompositedResultsToCanvas(ImageBuffer*); |
| |
| #if USE(OPENGL) && ENABLE(WEBGL2) |
| void primitiveRestartIndex(GC3Duint); |
| #endif |
| |
| #if PLATFORM(COCOA) |
| bool texImageIOSurface2D(GC3Denum target, GC3Denum internalFormat, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, IOSurfaceRef, GC3Duint plane); |
| |
| #if USE(OPENGL_ES) |
| void presentRenderbuffer(); |
| #endif |
| |
| #if USE(OPENGL) |
| void allocateIOSurfaceBackingStore(IntSize); |
| void updateFramebufferTextureBackingStoreFromLayer(); |
| void updateCGLContext(); |
| #endif |
| |
| #if USE(ANGLE) && PLATFORM(MAC) |
| void allocateIOSurfaceBackingStore(IntSize); |
| void updateFramebufferTextureBackingStoreFromLayer(); |
| #endif |
| #endif // PLATFORM(COCOA) |
| |
| void setContextVisibility(bool); |
| |
| GraphicsContext3DPowerPreference powerPreferenceUsedForCreation() const { return m_powerPreferenceUsedForCreation; } |
| |
| // Support for buffer creation and deletion |
| Platform3DObject createBuffer(); |
| Platform3DObject createFramebuffer(); |
| Platform3DObject createProgram(); |
| Platform3DObject createRenderbuffer(); |
| Platform3DObject createShader(GC3Denum); |
| Platform3DObject createTexture(); |
| |
| void deleteBuffer(Platform3DObject); |
| void deleteFramebuffer(Platform3DObject); |
| void deleteProgram(Platform3DObject); |
| void deleteRenderbuffer(Platform3DObject); |
| void deleteShader(Platform3DObject); |
| void deleteTexture(Platform3DObject); |
| |
| // Synthesizes an OpenGL error which will be returned from a |
| // later call to getError. This is used to emulate OpenGL ES |
| // 2.0 behavior on the desktop and to enforce additional error |
| // checking mandated by WebGL. |
| // |
| // Per the behavior of glGetError, this stores at most one |
| // instance of any given error, and returns them from calls to |
| // getError in the order they were added. |
| void synthesizeGLError(GC3Denum error); |
| |
| // Read real OpenGL errors, and move them to the synthetic |
| // error list. Return true if at least one error is moved. |
| bool moveErrorsToSyntheticErrorList(); |
| |
| // Support for extensions. Returns a non-null object, though not |
| // all methods it contains may necessarily be supported on the |
| // current hardware. Must call Extensions3D::supports() to |
| // determine this. |
| Extensions3D& getExtensions(); |
| |
| IntSize getInternalFramebufferSize() const; |
| |
| static unsigned getClearBitsByAttachmentType(GC3Denum); |
| static unsigned getClearBitsByFormat(GC3Denum); |
| |
| enum ChannelBits { |
| ChannelRed = 1, |
| ChannelGreen = 2, |
| ChannelBlue = 4, |
| ChannelAlpha = 8, |
| ChannelDepth = 16, |
| ChannelStencil = 32, |
| ChannelRGB = ChannelRed | ChannelGreen | ChannelBlue, |
| ChannelRGBA = ChannelRGB | ChannelAlpha, |
| }; |
| |
| static unsigned getChannelBitsByFormat(GC3Denum); |
| |
| // Possible alpha operations that may need to occur during |
| // pixel packing. FIXME: kAlphaDoUnmultiply is lossy and must |
| // be removed. |
| enum AlphaOp { |
| AlphaDoNothing = 0, |
| AlphaDoPremultiply = 1, |
| AlphaDoUnmultiply = 2 |
| }; |
| |
| enum ImageHtmlDomSource { |
| HtmlDomImage = 0, |
| HtmlDomCanvas = 1, |
| HtmlDomVideo = 2, |
| HtmlDomNone = 3 |
| }; |
| |
| // Packs the contents of the given Image which is passed in |pixels| into the passed Vector |
| // according to the given format and type, and obeying the flipY and AlphaOp flags. |
| // Returns true upon success. |
| static bool packImageData(Image*, const void* pixels, GC3Denum format, GC3Denum type, bool flipY, AlphaOp, DataFormat sourceFormat, unsigned width, unsigned height, unsigned sourceUnpackAlignment, Vector<uint8_t>& data); |
| |
| class ImageExtractor { |
| public: |
| ImageExtractor(Image*, ImageHtmlDomSource, bool premultiplyAlpha, bool ignoreGammaAndColorProfile); |
| |
| // Each platform must provide an implementation of this method to deallocate or release resources |
| // associated with the image if needed. |
| ~ImageExtractor(); |
| |
| bool extractSucceeded() { return m_extractSucceeded; } |
| const void* imagePixelData() { return m_imagePixelData; } |
| unsigned imageWidth() { return m_imageWidth; } |
| unsigned imageHeight() { return m_imageHeight; } |
| DataFormat imageSourceFormat() { return m_imageSourceFormat; } |
| AlphaOp imageAlphaOp() { return m_alphaOp; } |
| unsigned imageSourceUnpackAlignment() { return m_imageSourceUnpackAlignment; } |
| ImageHtmlDomSource imageHtmlDomSource() { return m_imageHtmlDomSource; } |
| private: |
| // Each platform must provide an implementation of this method. |
| // Extracts the image and keeps track of its status, such as width, height, Source Alignment, format and AlphaOp etc, |
| // needs to lock the resources or relevant data if needed and returns true upon success |
| bool extractImage(bool premultiplyAlpha, bool ignoreGammaAndColorProfile); |
| |
| #if USE(CAIRO) |
| RefPtr<cairo_surface_t> m_imageSurface; |
| #elif USE(CG) |
| RetainPtr<CGImageRef> m_cgImage; |
| RetainPtr<CGImageRef> m_decodedImage; |
| RetainPtr<CFDataRef> m_pixelData; |
| UniqueArray<uint8_t> m_formalizedRGBA8Data; |
| #endif |
| Image* m_image; |
| ImageHtmlDomSource m_imageHtmlDomSource; |
| bool m_extractSucceeded; |
| const void* m_imagePixelData; |
| unsigned m_imageWidth; |
| unsigned m_imageHeight; |
| DataFormat m_imageSourceFormat; |
| AlphaOp m_alphaOp; |
| unsigned m_imageSourceUnpackAlignment; |
| }; |
| |
| void setFailNextGPUStatusCheck() { m_failNextStatusCheck = true; } |
| |
| GC3Denum activeTextureUnit() const { return m_state.activeTextureUnit; } |
| GC3Denum currentBoundTexture() const { return m_state.currentBoundTexture(); } |
| GC3Denum currentBoundTarget() const { return m_state.currentBoundTarget(); } |
| unsigned textureSeed(GC3Duint texture) { return m_state.textureSeedCount.count(texture); } |
| |
| #if PLATFORM(MAC) |
| using PlatformDisplayID = uint32_t; |
| void screenDidChange(PlatformDisplayID); |
| #endif |
| |
| private: |
| GraphicsContext3D(GraphicsContext3DAttributes, HostWindow*, RenderStyle = RenderOffscreen, GraphicsContext3D* sharedContext = nullptr); |
| |
| // Helper for packImageData/extractImageData/extractTextureData which implement packing of pixel |
| // data into the specified OpenGL destination format and type. |
| // A sourceUnpackAlignment of zero indicates that the source |
| // data is tightly packed. Non-zero values may take a slow path. |
| // Destination data will have no gaps between rows. |
| static bool packPixels(const uint8_t* sourceData, DataFormat sourceDataFormat, unsigned width, unsigned height, unsigned sourceUnpackAlignment, unsigned destinationFormat, unsigned destinationType, AlphaOp, void* destinationData, bool flipY); |
| |
| // Take into account the user's requested context creation attributes, |
| // in particular stencil and antialias, and determine which could or |
| // could not be honored based on the capabilities of the OpenGL |
| // implementation. |
| void validateDepthStencil(const char* packedDepthStencilExtension); |
| void validateAttributes(); |
| |
| // Did the most recent drawing operation leave the GPU in an acceptable state? |
| void checkGPUStatus(); |
| |
| // Read rendering results into a pixel array with the same format as the |
| // backbuffer. |
| void readRenderingResults(unsigned char* pixels, int pixelsSize); |
| void readPixelsAndConvertToBGRAIfNecessary(int x, int y, int width, int height, unsigned char* pixels); |
| |
| #if PLATFORM(IOS_FAMILY) |
| void setRenderbufferStorageFromDrawable(GC3Dsizei width, GC3Dsizei height); |
| #endif |
| |
| bool reshapeFBOs(const IntSize&); |
| void resolveMultisamplingIfNecessary(const IntRect& = IntRect()); |
| void attachDepthAndStencilBufferIfNeeded(GLuint internalDepthStencilFormat, int width, int height); |
| |
| #if PLATFORM(COCOA) |
| bool allowOfflineRenderers() const; |
| #endif |
| |
| int m_currentWidth { 0 }; |
| int m_currentHeight { 0 }; |
| |
| #if PLATFORM(COCOA) |
| RetainPtr<WebGLLayer> m_webGLLayer; |
| PlatformGraphicsContext3D m_contextObj { nullptr }; |
| #if USE(ANGLE) |
| PlatformGraphicsContext3DDisplay m_displayObj { nullptr }; |
| #endif // USE(ANGLE) |
| #endif // PLATFORM(COCOA) |
| |
| #if PLATFORM(WIN) && USE(CA) |
| RefPtr<PlatformCALayer> m_webGLLayer; |
| #endif |
| |
| typedef HashMap<String, sh::ShaderVariable> ShaderSymbolMap; |
| |
| struct ShaderSourceEntry { |
| GC3Denum type; |
| String source; |
| String translatedSource; |
| String log; |
| bool isValid; |
| ShaderSymbolMap attributeMap; |
| ShaderSymbolMap uniformMap; |
| ShaderSymbolMap varyingMap; |
| ShaderSourceEntry() |
| : type(VERTEX_SHADER) |
| , isValid(false) |
| { |
| } |
| |
| ShaderSymbolMap& symbolMap(enum ANGLEShaderSymbolType symbolType) |
| { |
| ASSERT(symbolType == SHADER_SYMBOL_TYPE_ATTRIBUTE || symbolType == SHADER_SYMBOL_TYPE_UNIFORM || symbolType == SHADER_SYMBOL_TYPE_VARYING); |
| if (symbolType == SHADER_SYMBOL_TYPE_ATTRIBUTE) |
| return attributeMap; |
| if (symbolType == SHADER_SYMBOL_TYPE_VARYING) |
| return varyingMap; |
| return uniformMap; |
| } |
| }; |
| |
| #if !USE(ANGLE) |
| // FIXME: Shaders are never removed from this map, even if they and their program are deleted. |
| // This is bad, and it also relies on the fact we never reuse Platform3DObject numbers. |
| typedef HashMap<Platform3DObject, ShaderSourceEntry> ShaderSourceMap; |
| ShaderSourceMap m_shaderSourceMap; |
| |
| typedef HashMap<Platform3DObject, std::pair<Platform3DObject, Platform3DObject>> LinkedShaderMap; |
| LinkedShaderMap m_linkedShaderMap; |
| |
| struct ActiveShaderSymbolCounts { |
| Vector<GC3Dint> filteredToActualAttributeIndexMap; |
| Vector<GC3Dint> filteredToActualUniformIndexMap; |
| |
| ActiveShaderSymbolCounts() |
| { |
| } |
| |
| GC3Dint countForType(GC3Denum activeType) |
| { |
| ASSERT(activeType == ACTIVE_ATTRIBUTES || activeType == ACTIVE_UNIFORMS); |
| if (activeType == ACTIVE_ATTRIBUTES) |
| return filteredToActualAttributeIndexMap.size(); |
| |
| return filteredToActualUniformIndexMap.size(); |
| } |
| }; |
| typedef HashMap<Platform3DObject, ActiveShaderSymbolCounts> ShaderProgramSymbolCountMap; |
| ShaderProgramSymbolCountMap m_shaderProgramSymbolCountMap; |
| |
| typedef HashMap<String, String> HashedSymbolMap; |
| HashedSymbolMap m_possiblyUnusedAttributeMap; |
| |
| String mappedSymbolName(Platform3DObject program, ANGLEShaderSymbolType, const String& name); |
| String mappedSymbolName(Platform3DObject shaders[2], size_t count, const String& name); |
| String originalSymbolName(Platform3DObject program, ANGLEShaderSymbolType, const String& name); |
| Optional<String> mappedSymbolInShaderSourceMap(Platform3DObject shader, ANGLEShaderSymbolType, const String& name); |
| Optional<String> originalSymbolInShaderSourceMap(Platform3DObject shader, ANGLEShaderSymbolType, const String& name); |
| |
| std::unique_ptr<ShaderNameHash> nameHashMapForShaders; |
| #endif // !USE(ANGLE) |
| |
| #if !PLATFORM(COCOA) && USE(OPENGL_ES) |
| friend class Extensions3DOpenGLES; |
| friend class Extensions3DOpenGLCommon; |
| std::unique_ptr<Extensions3DOpenGLES> m_extensions; |
| #elif USE(OPENGL) || (PLATFORM(COCOA) && USE(OPENGL_ES)) |
| friend class Extensions3DOpenGL; |
| friend class Extensions3DOpenGLCommon; |
| std::unique_ptr<Extensions3DOpenGL> m_extensions; |
| #elif USE(ANGLE) |
| friend class Extensions3DANGLE; |
| std::unique_ptr<Extensions3DANGLE> m_extensions; |
| #endif |
| |
| GraphicsContext3DAttributes m_attrs; |
| GraphicsContext3DPowerPreference m_powerPreferenceUsedForCreation { GraphicsContext3DPowerPreference::Default }; |
| RenderStyle m_renderStyle; |
| Vector<Vector<float>> m_vertexArray; |
| |
| #if !USE(ANGLE) |
| ANGLEWebKitBridge m_compiler; |
| #endif |
| |
| GC3Duint m_texture { 0 }; |
| GC3Duint m_fbo { 0 }; |
| #if USE(COORDINATED_GRAPHICS) |
| GC3Duint m_compositorTexture { 0 }; |
| GC3Duint m_intermediateTexture { 0 }; |
| #endif |
| |
| GC3Duint m_depthBuffer { 0 }; |
| GC3Duint m_stencilBuffer { 0 }; |
| GC3Duint m_depthStencilBuffer { 0 }; |
| |
| bool m_layerComposited { false }; |
| GC3Duint m_internalColorFormat { 0 }; |
| |
| #if USE(ANGLE) |
| PlatformGraphicsContext3DSurface m_pbuffer; |
| #endif |
| |
| struct GraphicsContext3DState { |
| GC3Duint boundFBO { 0 }; |
| GC3Denum activeTextureUnit { GraphicsContext3D::TEXTURE0 }; |
| |
| using BoundTextureMap = HashMap<GC3Denum, |
| std::pair<GC3Duint, GC3Denum>, |
| WTF::IntHash<GC3Denum>, |
| WTF::UnsignedWithZeroKeyHashTraits<GC3Duint>, |
| WTF::PairHashTraits<WTF::UnsignedWithZeroKeyHashTraits<GC3Duint>, WTF::UnsignedWithZeroKeyHashTraits<GC3Duint>> |
| >; |
| BoundTextureMap boundTextureMap; |
| GC3Duint currentBoundTexture() const { return boundTexture(activeTextureUnit); } |
| GC3Duint boundTexture(GC3Denum textureUnit) const |
| { |
| auto iterator = boundTextureMap.find(textureUnit); |
| if (iterator != boundTextureMap.end()) |
| return iterator->value.first; |
| return 0; |
| } |
| |
| GC3Duint currentBoundTarget() const { return boundTarget(activeTextureUnit); } |
| GC3Denum boundTarget(GC3Denum textureUnit) const |
| { |
| auto iterator = boundTextureMap.find(textureUnit); |
| if (iterator != boundTextureMap.end()) |
| return iterator->value.second; |
| return 0; |
| } |
| |
| void setBoundTexture(GC3Denum textureUnit, GC3Duint texture, GC3Denum target) |
| { |
| boundTextureMap.set(textureUnit, std::make_pair(texture, target)); |
| } |
| |
| using TextureSeedCount = HashCountedSet<GC3Duint, WTF::IntHash<GC3Duint>, WTF::UnsignedWithZeroKeyHashTraits<GC3Duint>>; |
| TextureSeedCount textureSeedCount; |
| }; |
| |
| GraphicsContext3DState m_state; |
| |
| // For multisampling |
| GC3Duint m_multisampleFBO { 0 }; |
| GC3Duint m_multisampleDepthStencilBuffer { 0 }; |
| GC3Duint m_multisampleColorBuffer { 0 }; |
| |
| // Errors raised by synthesizeGLError(). |
| ListHashSet<GC3Denum> m_syntheticErrors; |
| |
| #if USE(NICOSIA) && USE(TEXTURE_MAPPER) |
| friend class Nicosia::GC3DLayer; |
| std::unique_ptr<Nicosia::GC3DLayer> m_nicosiaLayer; |
| #elif USE(TEXTURE_MAPPER) |
| friend class TextureMapperGC3DPlatformLayer; |
| std::unique_ptr<TextureMapperGC3DPlatformLayer> m_texmapLayer; |
| #else |
| friend class GraphicsContext3DPrivate; |
| std::unique_ptr<GraphicsContext3DPrivate> m_private; |
| #endif |
| |
| HashSet<Client*> m_clients; |
| |
| bool m_isForWebGL2 { false }; |
| bool m_usingCoreProfile { false }; |
| |
| unsigned m_statusCheckCount { 0 }; |
| bool m_failNextStatusCheck { false }; |
| |
| #if USE(CAIRO) |
| Platform3DObject m_vao { 0 }; |
| #endif |
| |
| #if PLATFORM(COCOA) && USE(OPENGL) |
| bool m_hasSwitchedToHighPerformanceGPU { false }; |
| #endif |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |
