| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL2_COMPUTE_RENDERING_CONTEXT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGL_WEBGL2_COMPUTE_RENDERING_CONTEXT_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/core/html/canvas/canvas_rendering_context_factory.h" |
| #include "third_party/blink/renderer/modules/webgl/webgl2_compute_rendering_context_base.h" |
| |
| namespace blink { |
| |
| class CanvasContextCreationAttributesCore; |
| class EXTColorBufferFloat; |
| class EXTFloatBlend; |
| class EXTTextureFilterAnisotropic; |
| class OESTextureFloatLinear; |
| class WebGLDebugRendererInfo; |
| class WebGLLoseContext; |
| class WebGLVideoTexture; |
| |
| class WebGL2ComputeRenderingContext : public WebGL2ComputeRenderingContextBase { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| class Factory : public CanvasRenderingContextFactory { |
| public: |
| Factory() = default; |
| ~Factory() override = default; |
| |
| CanvasRenderingContext* Create( |
| CanvasRenderingContextHost*, |
| const CanvasContextCreationAttributesCore&) override; |
| CanvasRenderingContext::ContextType GetContextType() const override { |
| return CanvasRenderingContext::kContextWebgl2Compute; |
| } |
| void OnError(HTMLCanvasElement*, const String& error) override; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Factory); |
| }; |
| |
| WebGL2ComputeRenderingContext( |
| CanvasRenderingContextHost*, |
| std::unique_ptr<WebGraphicsContext3DProvider>, |
| bool using_gpu_compositing, |
| const CanvasContextCreationAttributesCore& requested_attributes); |
| |
| CanvasRenderingContext::ContextType GetContextType() const override { |
| return CanvasRenderingContext::kContextWebgl2Compute; |
| } |
| ImageBitmap* TransferToImageBitmap(ScriptState*) final; |
| String ContextName() const override { |
| return "WebGL2ComputeRenderingContext"; |
| } |
| void RegisterContextExtensions() override; |
| void SetCanvasGetContextResult(RenderingContext&) final; |
| void SetOffscreenCanvasGetContextResult(OffscreenRenderingContext&) final; |
| |
| void Trace(blink::Visitor*) override; |
| |
| protected: |
| Member<EXTColorBufferFloat> ext_color_buffer_float_; |
| Member<EXTDisjointTimerQueryWebGL2> ext_disjoint_timer_query_web_gl2_; |
| Member<EXTFloatBlend> ext_float_blend_; |
| Member<EXTTextureFilterAnisotropic> ext_texture_filter_anisotropic_; |
| Member<OESTextureFloatLinear> oes_texture_float_linear_; |
| Member<WebGLCompressedTextureASTC> webgl_compressed_texture_astc_; |
| Member<WebGLCompressedTextureETC> webgl_compressed_texture_etc_; |
| Member<WebGLCompressedTextureETC1> webgl_compressed_texture_etc1_; |
| Member<WebGLCompressedTexturePVRTC> webgl_compressed_texture_pvrtc_; |
| Member<WebGLCompressedTextureS3TC> webgl_compressed_texture_s3tc_; |
| Member<WebGLCompressedTextureS3TCsRGB> webgl_compressed_texture_s3tc_srgb_; |
| Member<WebGLDebugRendererInfo> webgl_debug_renderer_info_; |
| Member<WebGLDebugShaders> webgl_debug_shaders_; |
| Member<WebGLLoseContext> webgl_lose_context_; |
| Member<WebGLVideoTexture> webgl_video_texture_; |
| }; |
| |
| DEFINE_TYPE_CASTS(WebGL2ComputeRenderingContext, |
| CanvasRenderingContext, |
| context, |
| context->Is3d() && |
| WebGLRenderingContextBase::GetWebGLVersion(context) == |
| Platform::kWebGL2ComputeContextType, |
| context.Is3d() && |
| WebGLRenderingContextBase::GetWebGLVersion(&context) == |
| Platform::kWebGL2ComputeContextType); |
| |
| } // namespace blink |
| |
| #endif |