components/html_viewer/web_graphics_context_3d_command_buffer_impl.cc - Issue 1677293002: Bye bye Mandoline

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Issue 1677293002: Bye bye Mandoline (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: moar Created 4 years, 10 months ago

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1 // Copyright 2015 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "components/html_viewer/web_graphics_context_3d_command_buffer_impl.h"

6

7 #include <stdint.h>

8

9 #include "components/html_viewer/blink_basic_type_converters.h"

10 #include "components/html_viewer/global_state.h"

11 #include "components/mus/public/cpp/context_provider.h"

12 #include "components/mus/public/interfaces/gpu.mojom.h"

13 #include "gpu/command_buffer/common/gles2_cmd_utils.h"

14 #include "mojo/gles2/gles2_context.h"

15 #include "mojo/gpu/mojo_gles2_impl_autogen.h"

16 #include "mojo/public/cpp/environment/environment.h"

17 #include "mojo/public/cpp/system/message_pipe.h"

18 #include "mojo/shell/public/cpp/shell.h"

19

20 namespace html_viewer {

21

22 // static

23 WebGraphicsContext3DCommandBufferImpl*

24 WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(

25 GlobalState* global_state,

26 mojo::Shell* shell,

27 const GURL& active_url,

28 const blink::WebGraphicsContext3D::Attributes& attributes,

29 blink::WebGraphicsContext3D* share_context,

30 blink::WebGraphicsContext3D::WebGraphicsInfo* gl_info) {

31 DCHECK(gl_info);

32 const mus::mojom::GpuInfo* gpu_info = global_state->GetGpuInfo();

33 gl_info->vendorId = gpu_info->vendor_id;

34 gl_info->deviceId = gpu_info->device_id;

35 gl_info->vendorInfo = gpu_info->vendor_info.To<blink::WebString>();

36 gl_info->rendererInfo = gpu_info->renderer_info.To<blink::WebString>();

37 gl_info->driverVersion = gpu_info->driver_version.To<blink::WebString>();

38

39 mus::mojom::GpuPtr gpu_service;

40 shell->ConnectToService("mojo:mus", &gpu_service);

41 mus::mojom::CommandBufferPtr cb;

42 gpu_service->CreateOffscreenGLES2Context(GetProxy(&cb));

43 return new WebGraphicsContext3DCommandBufferImpl(

44 cb.PassInterface(), active_url, attributes, share_context);

45 }

46

47 WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl(

48 mojo::InterfacePtrInfo<mus::mojom::CommandBuffer> command_buffer_info,

49 const GURL& active_url,

50 const blink::WebGraphicsContext3D::Attributes& attributes,

51 blink::WebGraphicsContext3D* share_context) {

52 mojo::ScopedMessagePipeHandle handle(command_buffer_info.PassHandle());

53 CHECK(handle.is_valid());

54 // TODO(penghuang): Support share context.

55 gpu::gles2::ContextCreationAttribHelper attrib_helper;

56 ConvertAttributes(attributes, &attrib_helper);

57 std::vector<int32_t> attrib_vector;

58 attrib_helper.Serialize(&attrib_vector);

59 gles2_context_ = MojoGLES2CreateContext(

60 handle.release().value(),

61 attrib_vector.data(),

62 &ContextLostThunk,

63 this,

64 mojo::Environment::GetDefaultAsyncWaiter());

65 context_gl_.reset(new mojo::MojoGLES2Impl(gles2_context_));

66 setGLInterface(context_gl_.get());

67 }

68

69 WebGraphicsContext3DCommandBufferImpl::

70 ~WebGraphicsContext3DCommandBufferImpl() {

71 if (gles2_context_)

72 MojoGLES2DestroyContext(gles2_context_);

73 }

74

75 void WebGraphicsContext3DCommandBufferImpl::ContextLost() {

76 if (context_lost_callback_)

77 context_lost_callback_->onContextLost();

78 }

79

80 } // namespace html_viewer

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