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1 // Copyright 2014 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 "content/common/gpu/media/va_surface.h" | |
6 #include "content/common/gpu/media/vaapi_tfp_picture.h" | |
7 #include "content/common/gpu/media/vaapi_wrapper.h" | |
8 #include "ui/gfx/x/x11_types.h" | |
9 #include "ui/gl/gl_bindings.h" | |
10 #include "ui/gl/gl_image_glx.h" | |
11 #include "ui/gl/scoped_binders.h" | |
12 | |
13 namespace content { | |
14 | |
15 VaapiTFPPicture::VaapiTFPPicture( | |
16 const scoped_refptr<VaapiWrapper>& vaapi_wrapper, | |
17 const base::Callback<bool(void)> make_context_current, | |
18 int32 picture_buffer_id, | |
19 uint32 texture_id, | |
20 const gfx::Size& size) | |
21 : VaapiPicture(picture_buffer_id, texture_id, size), | |
22 vaapi_wrapper_(vaapi_wrapper), | |
23 make_context_current_(make_context_current), | |
24 x_display_(gfx::GetXDisplay()), | |
25 x_pixmap_(0) { | |
26 } | |
27 | |
28 VaapiTFPPicture::~VaapiTFPPicture() { | |
29 if (glx_image_.get() && make_context_current_.Run()) { | |
30 glx_image_->ReleaseTexImage(GL_TEXTURE_2D); | |
31 glx_image_->Destroy(true); | |
32 DCHECK_EQ(glGetError(), static_cast<GLenum>(GL_NO_ERROR)); | |
33 } | |
34 | |
35 if (x_pixmap_) | |
36 XFreePixmap(x_display_, x_pixmap_); | |
37 } | |
38 | |
39 bool VaapiTFPPicture::Initialize() { | |
40 if (!make_context_current_.Run()) | |
41 return false; | |
42 | |
43 XWindowAttributes win_attr; | |
44 int screen = DefaultScreen(x_display_); | |
45 XGetWindowAttributes(x_display_, RootWindow(x_display_, screen), &win_attr); | |
46 // TODO(posciak): pass the depth required by libva, not the RootWindow's | |
47 // depth | |
48 x_pixmap_ = XCreatePixmap(x_display_, RootWindow(x_display_, screen), | |
49 size().width(), size().height(), win_attr.depth); | |
50 if (!x_pixmap_) { | |
51 LOG(ERROR) << "Failed creating an X Pixmap for TFP"; | |
52 return false; | |
53 } | |
54 | |
55 glx_image_ = new gfx::GLImageGLX(size(), GL_RGB); | |
56 if (!glx_image_->Initialize(x_pixmap_)) { | |
57 // x_pixmap_ will be freed in the destructor. | |
58 LOG(ERROR) << "Failed creating a GLX Pixmap for TFP"; | |
59 return false; | |
60 } | |
61 | |
62 gfx::ScopedTextureBinder texture_binder(GL_TEXTURE_2D, texture_id()); | |
63 if (!glx_image_->BindTexImage(GL_TEXTURE_2D)) { | |
64 LOG(ERROR) << "Failed to bind texture to glx image"; | |
65 return false; | |
66 } | |
67 | |
68 return true; | |
69 } | |
70 | |
71 bool VaapiTFPPicture::DownloadFromSurface( | |
72 const scoped_refptr<VASurface>& va_surface) { | |
73 return vaapi_wrapper_->PutSurfaceIntoPixmap(va_surface->id(), x_pixmap_, | |
74 va_surface->size()); | |
75 } | |
76 | |
77 } // namespace content | |
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