1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/src/WebGLExtensions.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,314 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef WEBGLEXTENSIONS_H_
1.10 +#define WEBGLEXTENSIONS_H_
1.11 +
1.12 +#include "jsapi.h"
1.13 +#include "mozilla/Attributes.h"
1.14 +#include "nsWrapperCache.h"
1.15 +#include "WebGLObjectModel.h"
1.16 +#include "WebGLTypes.h"
1.17 +
1.18 +namespace mozilla {
1.19 +
1.20 +class WebGLContext;
1.21 +class WebGLShader;
1.22 +class WebGLVertexArray;
1.23 +
1.24 +class WebGLExtensionBase
1.25 + : public nsWrapperCache
1.26 + , public WebGLContextBoundObject
1.27 +{
1.28 +public:
1.29 + WebGLExtensionBase(WebGLContext*);
1.30 + virtual ~WebGLExtensionBase();
1.31 +
1.32 + WebGLContext *GetParentObject() const {
1.33 + return Context();
1.34 + }
1.35 +
1.36 + void MarkLost();
1.37 +
1.38 + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLExtensionBase)
1.39 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLExtensionBase)
1.40 +
1.41 +protected:
1.42 + bool mIsLost;
1.43 +};
1.44 +
1.45 +#define DECL_WEBGL_EXTENSION_GOOP \
1.46 + virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
1.47 +
1.48 +#define IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionType) \
1.49 + JSObject* \
1.50 + WebGLExtensionType::WrapObject(JSContext *cx) { \
1.51 + return dom::WebGLExtensionType##Binding::Wrap(cx, this); \
1.52 + }
1.53 +
1.54 +class WebGLExtensionCompressedTextureATC
1.55 + : public WebGLExtensionBase
1.56 +{
1.57 +public:
1.58 + WebGLExtensionCompressedTextureATC(WebGLContext*);
1.59 + virtual ~WebGLExtensionCompressedTextureATC();
1.60 +
1.61 + DECL_WEBGL_EXTENSION_GOOP
1.62 +};
1.63 +
1.64 +class WebGLExtensionCompressedTextureETC1
1.65 + : public WebGLExtensionBase
1.66 +{
1.67 +public:
1.68 + WebGLExtensionCompressedTextureETC1(WebGLContext*);
1.69 + virtual ~WebGLExtensionCompressedTextureETC1();
1.70 +
1.71 + DECL_WEBGL_EXTENSION_GOOP
1.72 +};
1.73 +
1.74 +class WebGLExtensionCompressedTexturePVRTC
1.75 + : public WebGLExtensionBase
1.76 +{
1.77 +public:
1.78 + WebGLExtensionCompressedTexturePVRTC(WebGLContext*);
1.79 + virtual ~WebGLExtensionCompressedTexturePVRTC();
1.80 +
1.81 + DECL_WEBGL_EXTENSION_GOOP
1.82 +};
1.83 +
1.84 +class WebGLExtensionCompressedTextureS3TC
1.85 + : public WebGLExtensionBase
1.86 +{
1.87 +public:
1.88 + WebGLExtensionCompressedTextureS3TC(WebGLContext*);
1.89 + virtual ~WebGLExtensionCompressedTextureS3TC();
1.90 +
1.91 + DECL_WEBGL_EXTENSION_GOOP
1.92 +};
1.93 +
1.94 +class WebGLExtensionDebugRendererInfo
1.95 + : public WebGLExtensionBase
1.96 +{
1.97 +public:
1.98 + WebGLExtensionDebugRendererInfo(WebGLContext*);
1.99 + virtual ~WebGLExtensionDebugRendererInfo();
1.100 +
1.101 + DECL_WEBGL_EXTENSION_GOOP
1.102 +};
1.103 +
1.104 +class WebGLExtensionDebugShaders
1.105 + : public WebGLExtensionBase
1.106 +{
1.107 +public:
1.108 + WebGLExtensionDebugShaders(WebGLContext*);
1.109 + virtual ~WebGLExtensionDebugShaders();
1.110 +
1.111 + void GetTranslatedShaderSource(WebGLShader* shader, nsAString& retval);
1.112 +
1.113 + DECL_WEBGL_EXTENSION_GOOP
1.114 +};
1.115 +
1.116 +class WebGLExtensionDepthTexture
1.117 + : public WebGLExtensionBase
1.118 +{
1.119 +public:
1.120 + WebGLExtensionDepthTexture(WebGLContext*);
1.121 + virtual ~WebGLExtensionDepthTexture();
1.122 +
1.123 + DECL_WEBGL_EXTENSION_GOOP
1.124 +};
1.125 +
1.126 +class WebGLExtensionElementIndexUint
1.127 + : public WebGLExtensionBase
1.128 +{
1.129 +public:
1.130 + WebGLExtensionElementIndexUint(WebGLContext*);
1.131 + virtual ~WebGLExtensionElementIndexUint();
1.132 +
1.133 + DECL_WEBGL_EXTENSION_GOOP
1.134 +};
1.135 +
1.136 +class WebGLExtensionFragDepth
1.137 + : public WebGLExtensionBase
1.138 +{
1.139 +public:
1.140 + WebGLExtensionFragDepth(WebGLContext*);
1.141 + virtual ~WebGLExtensionFragDepth();
1.142 +
1.143 + static bool IsSupported(const WebGLContext* context);
1.144 +
1.145 + DECL_WEBGL_EXTENSION_GOOP
1.146 +};
1.147 +
1.148 +class WebGLExtensionLoseContext
1.149 + : public WebGLExtensionBase
1.150 +{
1.151 +public:
1.152 + WebGLExtensionLoseContext(WebGLContext*);
1.153 + virtual ~WebGLExtensionLoseContext();
1.154 +
1.155 + void LoseContext();
1.156 + void RestoreContext();
1.157 +
1.158 + DECL_WEBGL_EXTENSION_GOOP
1.159 +};
1.160 +
1.161 +class WebGLExtensionSRGB
1.162 + : public WebGLExtensionBase
1.163 +{
1.164 +public:
1.165 + WebGLExtensionSRGB(WebGLContext*);
1.166 + virtual ~WebGLExtensionSRGB();
1.167 +
1.168 + static bool IsSupported(const WebGLContext* context);
1.169 +
1.170 + DECL_WEBGL_EXTENSION_GOOP
1.171 +};
1.172 +
1.173 +class WebGLExtensionStandardDerivatives
1.174 + : public WebGLExtensionBase
1.175 +{
1.176 +public:
1.177 + WebGLExtensionStandardDerivatives(WebGLContext*);
1.178 + virtual ~WebGLExtensionStandardDerivatives();
1.179 +
1.180 + DECL_WEBGL_EXTENSION_GOOP
1.181 +};
1.182 +
1.183 +class WebGLExtensionTextureFilterAnisotropic
1.184 + : public WebGLExtensionBase
1.185 +{
1.186 +public:
1.187 + WebGLExtensionTextureFilterAnisotropic(WebGLContext*);
1.188 + virtual ~WebGLExtensionTextureFilterAnisotropic();
1.189 +
1.190 + DECL_WEBGL_EXTENSION_GOOP
1.191 +};
1.192 +
1.193 +class WebGLExtensionTextureFloat
1.194 + : public WebGLExtensionBase
1.195 +{
1.196 +public:
1.197 + WebGLExtensionTextureFloat(WebGLContext*);
1.198 + virtual ~WebGLExtensionTextureFloat();
1.199 +
1.200 + DECL_WEBGL_EXTENSION_GOOP
1.201 +};
1.202 +
1.203 +class WebGLExtensionTextureFloatLinear
1.204 + : public WebGLExtensionBase
1.205 +{
1.206 +public:
1.207 + WebGLExtensionTextureFloatLinear(WebGLContext*);
1.208 + virtual ~WebGLExtensionTextureFloatLinear();
1.209 +
1.210 + DECL_WEBGL_EXTENSION_GOOP
1.211 +};
1.212 +
1.213 +class WebGLExtensionTextureHalfFloat
1.214 + : public WebGLExtensionBase
1.215 +{
1.216 +public:
1.217 + WebGLExtensionTextureHalfFloat(WebGLContext*);
1.218 + virtual ~WebGLExtensionTextureHalfFloat();
1.219 +
1.220 + DECL_WEBGL_EXTENSION_GOOP
1.221 +};
1.222 +
1.223 +class WebGLExtensionTextureHalfFloatLinear
1.224 + : public WebGLExtensionBase
1.225 +{
1.226 +public:
1.227 + WebGLExtensionTextureHalfFloatLinear(WebGLContext*);
1.228 + virtual ~WebGLExtensionTextureHalfFloatLinear();
1.229 +
1.230 + DECL_WEBGL_EXTENSION_GOOP
1.231 +};
1.232 +
1.233 +class WebGLExtensionColorBufferFloat
1.234 + : public WebGLExtensionBase
1.235 +{
1.236 +public:
1.237 + WebGLExtensionColorBufferFloat(WebGLContext*);
1.238 + virtual ~WebGLExtensionColorBufferFloat();
1.239 +
1.240 + static bool IsSupported(const WebGLContext*);
1.241 +
1.242 + DECL_WEBGL_EXTENSION_GOOP
1.243 +};
1.244 +
1.245 +class WebGLExtensionColorBufferHalfFloat
1.246 + : public WebGLExtensionBase
1.247 +{
1.248 +public:
1.249 + WebGLExtensionColorBufferHalfFloat(WebGLContext*);
1.250 + virtual ~WebGLExtensionColorBufferHalfFloat();
1.251 +
1.252 + static bool IsSupported(const WebGLContext*);
1.253 +
1.254 + DECL_WEBGL_EXTENSION_GOOP
1.255 +};
1.256 +
1.257 +class WebGLExtensionDrawBuffers
1.258 + : public WebGLExtensionBase
1.259 +{
1.260 +public:
1.261 + WebGLExtensionDrawBuffers(WebGLContext*);
1.262 + virtual ~WebGLExtensionDrawBuffers();
1.263 +
1.264 + void DrawBuffersWEBGL(const dom::Sequence<GLenum>& buffers);
1.265 +
1.266 + static bool IsSupported(const WebGLContext*);
1.267 +
1.268 + static const size_t sMinColorAttachments = 4;
1.269 + static const size_t sMinDrawBuffers = 4;
1.270 + /*
1.271 + WEBGL_draw_buffers does not give a minal value for GL_MAX_DRAW_BUFFERS. But, we request
1.272 + for GL_MAX_DRAW_BUFFERS = 4 at least to be able to use all requested color attachments.
1.273 + See DrawBuffersWEBGL in WebGLExtensionDrawBuffers.cpp inner comments for more informations.
1.274 + */
1.275 +
1.276 + DECL_WEBGL_EXTENSION_GOOP
1.277 +};
1.278 +
1.279 +class WebGLExtensionVertexArray
1.280 + : public WebGLExtensionBase
1.281 +{
1.282 +public:
1.283 + WebGLExtensionVertexArray(WebGLContext*);
1.284 + virtual ~WebGLExtensionVertexArray();
1.285 +
1.286 + already_AddRefed<WebGLVertexArray> CreateVertexArrayOES();
1.287 + void DeleteVertexArrayOES(WebGLVertexArray* array);
1.288 + bool IsVertexArrayOES(WebGLVertexArray* array);
1.289 + void BindVertexArrayOES(WebGLVertexArray* array);
1.290 +
1.291 + static bool IsSupported(const WebGLContext* context);
1.292 +
1.293 + DECL_WEBGL_EXTENSION_GOOP
1.294 +};
1.295 +
1.296 +class WebGLExtensionInstancedArrays
1.297 + : public WebGLExtensionBase
1.298 +{
1.299 +public:
1.300 + WebGLExtensionInstancedArrays(WebGLContext* context);
1.301 + virtual ~WebGLExtensionInstancedArrays();
1.302 +
1.303 + void DrawArraysInstancedANGLE(GLenum mode, GLint first,
1.304 + GLsizei count, GLsizei primcount);
1.305 + void DrawElementsInstancedANGLE(GLenum mode, GLsizei count,
1.306 + GLenum type, WebGLintptr offset,
1.307 + GLsizei primcount);
1.308 + void VertexAttribDivisorANGLE(GLuint index, GLuint divisor);
1.309 +
1.310 + static bool IsSupported(const WebGLContext* context);
1.311 +
1.312 + DECL_WEBGL_EXTENSION_GOOP
1.313 +};
1.314 +
1.315 +} // namespace mozilla
1.316 +
1.317 +#endif // WEBGLEXTENSIONS_H_
