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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 "examples/surfaces_app/child_gl_impl.h" | |
| 6 | |
| 7 #ifndef GL_GLEXT_PROTOTYPES | |
| 8 #define GL_GLEXT_PROTOTYPES | |
| 9 #endif | |
| 10 | |
| 11 #include <GLES2/gl2ext.h> | |
| 12 #include <GLES2/gl2extmojo.h> | |
| 13 #include <MGL/mgl.h> | |
| 14 | |
| 15 #include "base/bind.h" | |
| 16 #include "base/message_loop/message_loop.h" | |
| 17 #include "cc/output/compositor_frame.h" | |
| 18 #include "cc/output/delegated_frame_data.h" | |
| 19 #include "cc/quads/render_pass.h" | |
| 20 #include "cc/quads/texture_draw_quad.h" | |
| 21 #include "examples/surfaces_app/surfaces_util.h" | |
| 22 #include "gpu/command_buffer/common/mailbox.h" | |
| 23 #include "gpu/command_buffer/common/mailbox_holder.h" | |
| 24 #include "mojo/converters/geometry/geometry_type_converters.h" | |
| 25 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
| 26 #include "mojo/public/cpp/application/application_connection.h" | |
| 27 #include "mojo/public/cpp/environment/environment.h" | |
| 28 #include "mojo/services/surfaces/interfaces/surface_id.mojom.h" | |
| 29 #include "mojo/services/surfaces/interfaces/surfaces.mojom.h" | |
| 30 #include "ui/gfx/rect.h" | |
| 31 #include "ui/gfx/transform.h" | |
| 32 | |
| 33 namespace mojo { | |
| 34 namespace examples { | |
| 35 | |
| 36 using cc::RenderPass; | |
| 37 using cc::RenderPassId; | |
| 38 using cc::TextureDrawQuad; | |
| 39 using cc::DelegatedFrameData; | |
| 40 using cc::CompositorFrame; | |
| 41 | |
| 42 static void ContextLostThunk(void*) { | |
| 43 LOG(FATAL) << "Context lost"; | |
| 44 } | |
| 45 | |
| 46 ChildGLImpl::ChildGLImpl(ApplicationConnection* surfaces_service_connection, | |
| 47 CommandBufferPtr command_buffer, | |
| 48 InterfaceRequest<Child> request) | |
| 49 : id_namespace_(0u), | |
| 50 local_id_(1u), | |
| 51 start_time_(base::TimeTicks::Now()), | |
| 52 next_resource_id_(1), | |
| 53 returner_binding_(this), | |
| 54 binding_(this, request.Pass()) { | |
| 55 surfaces_service_connection->ConnectToService(&surface_); | |
| 56 surface_->GetIdNamespace( | |
| 57 base::Bind(&ChildGLImpl::SetIdNamespace, base::Unretained(this))); | |
| 58 ResourceReturnerPtr returner_ptr; | |
| 59 returner_binding_.Bind(GetProxy(&returner_ptr)); | |
| 60 surface_->SetResourceReturner(returner_ptr.Pass()); | |
| 61 context_ = MGLCreateContext( | |
| 62 MGL_API_VERSION_GLES2, | |
| 63 command_buffer.PassInterface().PassHandle().release().value(), | |
| 64 MGL_NO_CONTEXT, &ContextLostThunk, this, | |
| 65 Environment::GetDefaultAsyncWaiter()); | |
| 66 DCHECK(context_); | |
| 67 MGLMakeCurrent(context_); | |
| 68 } | |
| 69 | |
| 70 ChildGLImpl::~ChildGLImpl() { | |
| 71 MGLDestroyContext(context_); | |
| 72 surface_->DestroySurface(local_id_); | |
| 73 } | |
| 74 | |
| 75 void ChildGLImpl::ProduceFrame(ColorPtr color, | |
| 76 SizePtr size, | |
| 77 const ProduceCallback& callback) { | |
| 78 color_ = color.To<SkColor>(); | |
| 79 size_ = size.To<gfx::Size>(); | |
| 80 cube_.Init(); | |
| 81 cube_.set_size(size_.width(), size_.height()); | |
| 82 cube_.set_color( | |
| 83 SkColorGetR(color_), SkColorGetG(color_), SkColorGetB(color_)); | |
| 84 surface_->CreateSurface(local_id_); | |
| 85 produce_callback_ = callback; | |
| 86 if (id_namespace_ != 0u) | |
| 87 RunProduceCallback(); | |
| 88 Draw(); | |
| 89 } | |
| 90 | |
| 91 void ChildGLImpl::SetIdNamespace(uint32_t id_namespace) { | |
| 92 id_namespace_ = id_namespace; | |
| 93 if (!produce_callback_.is_null()) | |
| 94 RunProduceCallback(); | |
| 95 produce_callback_.reset(); | |
| 96 } | |
| 97 | |
| 98 void ChildGLImpl::RunProduceCallback() { | |
| 99 auto id = SurfaceId::New(); | |
| 100 id->id_namespace = id_namespace_; | |
| 101 id->local = local_id_; | |
| 102 produce_callback_.Run(id.Pass()); | |
| 103 } | |
| 104 | |
| 105 void ChildGLImpl::ReturnResources(Array<ReturnedResourcePtr> resources) { | |
| 106 for (size_t i = 0; i < resources.size(); ++i) { | |
| 107 cc::ReturnedResource res = resources[i].To<cc::ReturnedResource>(); | |
| 108 GLuint returned_texture = id_to_tex_map_[res.id]; | |
| 109 glDeleteTextures(1, &returned_texture); | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 void ChildGLImpl::Draw() { | |
| 114 // First, generate a GL texture and draw the cube into it. | |
| 115 GLuint texture = 0u; | |
| 116 glGenTextures(1, &texture); | |
| 117 glBindTexture(GL_TEXTURE_2D, texture); | |
| 118 glTexImage2D(GL_TEXTURE_2D, | |
| 119 0, | |
| 120 GL_RGBA, | |
| 121 size_.width(), | |
| 122 size_.height(), | |
| 123 0, | |
| 124 GL_RGBA, | |
| 125 GL_UNSIGNED_BYTE, | |
| 126 0); | |
| 127 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); | |
| 128 GLuint fbo = 0u; | |
| 129 glGenFramebuffers(1, &fbo); | |
| 130 glBindFramebuffer(GL_FRAMEBUFFER, fbo); | |
| 131 GLuint depth_buffer = 0u; | |
| 132 glGenRenderbuffers(1, &depth_buffer); | |
| 133 glBindRenderbuffer(GL_RENDERBUFFER, depth_buffer); | |
| 134 glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, size_.width(), | |
| 135 size_.height()); | |
| 136 glFramebufferTexture2D( | |
| 137 GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); | |
| 138 glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, | |
| 139 GL_RENDERBUFFER, depth_buffer); | |
| 140 DCHECK_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE), | |
| 141 glCheckFramebufferStatus(GL_FRAMEBUFFER)); | |
| 142 glClearColor(1, 0, 0, 0.5); | |
| 143 cube_.UpdateForTimeDelta(0.16f); | |
| 144 cube_.Draw(); | |
| 145 glDeleteFramebuffers(1, &fbo); | |
| 146 glDeleteRenderbuffers(1, &depth_buffer); | |
| 147 | |
| 148 // Then, put the texture into a mailbox. | |
| 149 gpu::Mailbox mailbox = gpu::Mailbox::Generate(); | |
| 150 glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name); | |
| 151 GLuint sync_point = glInsertSyncPointCHROMIUM(); | |
| 152 gpu::MailboxHolder holder(mailbox, GL_TEXTURE_2D, sync_point); | |
| 153 | |
| 154 // Then, put the mailbox into a TransferableResource | |
| 155 cc::TransferableResource resource; | |
| 156 resource.id = next_resource_id_++; | |
| 157 id_to_tex_map_[resource.id] = texture; | |
| 158 resource.format = cc::RGBA_8888; | |
| 159 resource.filter = GL_LINEAR; | |
| 160 resource.size = size_; | |
| 161 resource.mailbox_holder = holder; | |
| 162 resource.is_repeated = false; | |
| 163 resource.is_software = false; | |
| 164 | |
| 165 gfx::Rect rect(size_); | |
| 166 RenderPassId id(1, 1); | |
| 167 scoped_ptr<RenderPass> pass = RenderPass::Create(); | |
| 168 pass->SetNew(id, rect, rect, gfx::Transform()); | |
| 169 | |
| 170 CreateAndAppendSimpleSharedQuadState(pass.get(), gfx::Transform(), size_); | |
| 171 | |
| 172 TextureDrawQuad* texture_quad = | |
| 173 pass->CreateAndAppendDrawQuad<TextureDrawQuad>(); | |
| 174 float vertex_opacity[4] = {1.0f, 1.0f, 0.2f, 1.0f}; | |
| 175 const bool premultiplied_alpha = true; | |
| 176 const bool flipped = false; | |
| 177 const bool nearest_neighbor = false; | |
| 178 texture_quad->SetNew(pass->shared_quad_state_list.back(), | |
| 179 rect, | |
| 180 rect, | |
| 181 rect, | |
| 182 resource.id, | |
| 183 premultiplied_alpha, | |
| 184 gfx::PointF(), | |
| 185 gfx::PointF(1.f, 1.f), | |
| 186 SK_ColorBLUE, | |
| 187 vertex_opacity, | |
| 188 flipped, | |
| 189 nearest_neighbor); | |
| 190 | |
| 191 scoped_ptr<DelegatedFrameData> delegated_frame_data(new DelegatedFrameData); | |
| 192 delegated_frame_data->render_pass_list.push_back(pass.Pass()); | |
| 193 delegated_frame_data->resource_list.push_back(resource); | |
| 194 | |
| 195 scoped_ptr<CompositorFrame> frame(new CompositorFrame); | |
| 196 frame->delegated_frame_data = delegated_frame_data.Pass(); | |
| 197 | |
| 198 surface_->SubmitFrame(local_id_, mojo::Frame::From(*frame), mojo::Closure()); | |
| 199 | |
| 200 base::MessageLoop::current()->PostDelayedTask( | |
| 201 FROM_HERE, | |
| 202 base::Bind(&ChildGLImpl::Draw, base::Unretained(this)), | |
| 203 base::TimeDelta::FromMilliseconds(50)); | |
| 204 } | |
| 205 | |
| 206 } // namespace examples | |
| 207 } // namespace mojo | |
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Chromium Code Reviews
Issue 1534693002:
Delete the Surfaces service. (Closed)
Base URL: git@github.com:domokit/mojo.git@cl-2d