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| 1 // Copyright (c) 2010 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 "chrome/gpu/gpu_view_x.h" | |
| 6 | |
| 7 #include "app/gfx/gl/gl_bindings.h" | |
| 8 #include "base/scoped_ptr.h" | |
| 9 #include "chrome/common/gpu_messages.h" | |
| 10 #include "chrome/gpu/gpu_backing_store_glx.h" | |
| 11 #include "chrome/gpu/gpu_backing_store_glx_context.h" | |
| 12 #include "chrome/gpu/gpu_thread.h" | |
| 13 #include "chrome/gpu/gpu_video_layer_glx.h" | |
| 14 | |
| 15 // X stuff must be last since it does "#define Status int" which messes up some | |
| 16 // of the header files we indirectly pull in. | |
| 17 #include <X11/Xutil.h> | |
| 18 | |
| 19 GpuViewX::GpuViewX(GpuThread* gpu_thread, | |
| 20 XID parent, | |
| 21 int32 routing_id) | |
| 22 : gpu_thread_(gpu_thread), | |
| 23 routing_id_(routing_id), | |
| 24 window_(parent) { | |
| 25 gpu_thread_->AddRoute(routing_id_, this); | |
| 26 } | |
| 27 | |
| 28 GpuViewX::~GpuViewX() { | |
| 29 gpu_thread_->RemoveRoute(routing_id_); | |
| 30 // TODO(brettw) may want to delete any dangling backing stores, or perhaps | |
| 31 // assert if one still exists. | |
| 32 } | |
| 33 | |
| 34 GLXContext GpuViewX::BindContext() { | |
| 35 GLXContext ctx = gpu_thread_->GetGLXContext()->BindContext(window_); | |
| 36 CHECK(ctx); | |
| 37 return ctx; | |
| 38 } | |
| 39 | |
| 40 void GpuViewX::OnMessageReceived(const IPC::Message& msg) { | |
| 41 IPC_BEGIN_MESSAGE_MAP(GpuViewX, msg) | |
| 42 IPC_MESSAGE_HANDLER(GpuMsg_NewBackingStore, OnNewBackingStore) | |
| 43 IPC_MESSAGE_HANDLER(GpuMsg_NewVideoLayer, OnNewVideoLayer) | |
| 44 IPC_MESSAGE_HANDLER(GpuMsg_WindowPainted, OnWindowPainted) | |
| 45 IPC_END_MESSAGE_MAP_EX() | |
| 46 } | |
| 47 | |
| 48 void GpuViewX::OnChannelConnected(int32 peer_pid) { | |
| 49 } | |
| 50 | |
| 51 void GpuViewX::OnChannelError() { | |
| 52 // TODO(brettw) do we need to delete ourselves now? | |
| 53 } | |
| 54 | |
| 55 void GpuViewX::DidScrollBackingStoreRect(int dx, int dy, | |
| 56 const gfx::Rect& rect) { | |
| 57 } | |
| 58 | |
| 59 void GpuViewX::Repaint() { | |
| 60 BindContext(); | |
| 61 | |
| 62 const gfx::Size& size = backing_store_->size(); | |
| 63 | |
| 64 glViewport(0, 0, size.width(), size.height()); | |
| 65 | |
| 66 // TODO(apatrick): These functions are not available in GLES2. | |
| 67 // glMatrixMode(GL_MODELVIEW); | |
| 68 // glLoadIdentity(); | |
| 69 | |
| 70 glEnable(GL_TEXTURE_2D); | |
| 71 glBindTexture(GL_TEXTURE_2D, backing_store_->texture_id()); | |
| 72 | |
| 73 // TODO(brettw) use vertex buffers. | |
| 74 // TODO(brettw) make this so we use the texture size rather than the whole | |
| 75 // area size so we don't stretch bitmaps. | |
| 76 // TODO(apatrick): These functions are not available in GLES2. | |
| 77 // glBegin(GL_QUADS); | |
| 78 // glTexCoord2f(0.0f, 0.0f); | |
| 79 // glVertex2f(-1.0, 1.0); | |
| 80 | |
| 81 // glTexCoord2f(0.0f, 1.0f); | |
| 82 // glVertex2f(-1.0, -1.0); | |
| 83 | |
| 84 // glTexCoord2f(1.0f, 1.0f); | |
| 85 // glVertex2f(1.0, -1.0); | |
| 86 | |
| 87 // glTexCoord2f(1.0f, 0.0f); | |
| 88 // glVertex2f(1.0, 1.0); | |
| 89 // glEnd(); | |
| 90 DCHECK(glGetError() == GL_NO_ERROR); | |
| 91 | |
| 92 if (video_layer_.get()) { | |
| 93 video_layer_->Render(backing_store_->size()); | |
| 94 DCHECK(glGetError() == GL_NO_ERROR); | |
| 95 } | |
| 96 | |
| 97 // TODO(brettw) when we no longer stretch non-fitting bitmaps, we should | |
| 98 // paint white over any unpainted area here. | |
| 99 | |
| 100 glXSwapBuffers(gpu_thread_->display(), window_); | |
| 101 } | |
| 102 | |
| 103 void GpuViewX::OnNewBackingStore(int32 routing_id, const gfx::Size& size) { | |
| 104 backing_store_.reset( | |
| 105 new GpuBackingStoreGLX(this, gpu_thread_, routing_id, size)); | |
| 106 } | |
| 107 | |
| 108 void GpuViewX::OnNewVideoLayer(int32 routing_id, const gfx::Size& size) { | |
| 109 video_layer_.reset( | |
| 110 new GpuVideoLayerGLX(this, gpu_thread_, routing_id, size)); | |
| 111 } | |
| 112 | |
| 113 void GpuViewX::OnWindowPainted() { | |
| 114 Repaint(); | |
| 115 } | |
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