| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2012 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 "cc/delegating_renderer.h" | |
| 6 | |
| 7 #include <set> | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/debug/trace_event.h" | |
| 12 #include "base/string_util.h" | |
| 13 #include "base/strings/string_split.h" | |
| 14 #include "cc/checkerboard_draw_quad.h" | |
| 15 #include "cc/compositor_frame.h" | |
| 16 #include "cc/compositor_frame_ack.h" | |
| 17 #include "cc/debug_border_draw_quad.h" | |
| 18 #include "cc/render_pass.h" | |
| 19 #include "cc/render_pass_draw_quad.h" | |
| 20 #include "cc/resource_provider.h" | |
| 21 #include "cc/solid_color_draw_quad.h" | |
| 22 #include "cc/texture_draw_quad.h" | |
| 23 #include "cc/tile_draw_quad.h" | |
| 24 #include "cc/yuv_video_draw_quad.h" | |
| 25 #include "third_party/khronos/GLES2/gl2ext.h" | |
| 26 | |
| 27 using WebKit::WebGraphicsContext3D; | |
| 28 | |
| 29 namespace cc { | |
| 30 | |
| 31 scoped_ptr<DelegatingRenderer> DelegatingRenderer::Create( | |
| 32 RendererClient* client, | |
| 33 OutputSurface* output_surface, | |
| 34 ResourceProvider* resource_provider) { | |
| 35 scoped_ptr<DelegatingRenderer> renderer( | |
| 36 new DelegatingRenderer(client, output_surface, resource_provider)); | |
| 37 if (!renderer->Initialize()) | |
| 38 return scoped_ptr<DelegatingRenderer>(); | |
| 39 return renderer.Pass(); | |
| 40 } | |
| 41 | |
| 42 DelegatingRenderer::DelegatingRenderer( | |
| 43 RendererClient* client, | |
| 44 OutputSurface* output_surface, | |
| 45 ResourceProvider* resource_provider) | |
| 46 : Renderer(client), | |
| 47 output_surface_(output_surface), | |
| 48 resource_provider_(resource_provider), | |
| 49 visible_(true) { | |
| 50 DCHECK(resource_provider_); | |
| 51 } | |
| 52 | |
| 53 bool DelegatingRenderer::Initialize() { | |
| 54 capabilities_.using_partial_swap = false; | |
| 55 // TODO(danakj): Throttling - we may want to only allow 1 outstanding frame, | |
| 56 // but the parent compositor may pipeline for us. | |
| 57 // TODO(danakj): Can we use this in single-thread mode? | |
| 58 capabilities_.using_swap_complete_callback = true; | |
| 59 capabilities_.max_texture_size = resource_provider_->max_texture_size(); | |
| 60 capabilities_.best_texture_format = resource_provider_->best_texture_format(); | |
| 61 capabilities_.allow_partial_texture_updates = false; | |
| 62 | |
| 63 WebGraphicsContext3D* context3d = resource_provider_->GraphicsContext3D(); | |
| 64 | |
| 65 if (!context3d) { | |
| 66 // Software compositing. | |
| 67 return true; | |
| 68 } | |
| 69 | |
| 70 if (!context3d->makeContextCurrent()) | |
| 71 return false; | |
| 72 | |
| 73 context3d->setContextLostCallback(this); | |
| 74 context3d->pushGroupMarkerEXT("CompositorContext"); | |
| 75 | |
| 76 std::string extensionsString = | |
| 77 UTF16ToASCII(context3d->getString(GL_EXTENSIONS)); | |
| 78 | |
| 79 std::vector<std::string> extensions; | |
| 80 base::SplitString(extensionsString, ' ', &extensions); | |
| 81 | |
| 82 // TODO(danakj): We need non-GPU-specific paths for these things. This | |
| 83 // renderer shouldn't need to use context3d extensions directly. | |
| 84 bool hasReadBGRA = true; | |
| 85 bool hasSetVisibility = true; | |
| 86 bool hasIOSurface = true; | |
| 87 bool hasARBTextureRect = true; | |
| 88 bool hasGpuMemoryManager = true; | |
| 89 bool hasEGLImage = true; | |
| 90 for (size_t i = 0; i < extensions.size(); ++i) { | |
| 91 if (extensions[i] == "GL_EXT_read_format_bgra") | |
| 92 hasReadBGRA = true; | |
| 93 else if (extensions[i] == "GL_CHROMIUM_set_visibility") | |
| 94 hasSetVisibility = true; | |
| 95 else if (extensions[i] == "GL_CHROMIUM_iosurface") | |
| 96 hasIOSurface = true; | |
| 97 else if (extensions[i] == "GL_ARB_texture_rectangle") | |
| 98 hasARBTextureRect = true; | |
| 99 else if (extensions[i] == "GL_CHROMIUM_gpu_memory_manager") | |
| 100 hasGpuMemoryManager = true; | |
| 101 else if (extensions[i] == "GL_OES_EGL_image_external") | |
| 102 hasEGLImage = true; | |
| 103 } | |
| 104 | |
| 105 if (hasIOSurface) | |
| 106 DCHECK(hasARBTextureRect); | |
| 107 | |
| 108 capabilities_.using_accelerated_painting = | |
| 109 Settings().acceleratePainting && | |
| 110 capabilities_.best_texture_format == GL_BGRA_EXT && | |
| 111 hasReadBGRA; | |
| 112 | |
| 113 // TODO(piman): loop visibility to GPU process? | |
| 114 capabilities_.using_set_visibility = hasSetVisibility; | |
| 115 | |
| 116 // TODO(danakj): Support GpuMemoryManager. | |
| 117 capabilities_.using_gpu_memory_manager = false; | |
| 118 | |
| 119 capabilities_.using_egl_image = hasEGLImage; | |
| 120 | |
| 121 return true; | |
| 122 } | |
| 123 | |
| 124 DelegatingRenderer::~DelegatingRenderer() { | |
| 125 WebGraphicsContext3D* context3d = resource_provider_->GraphicsContext3D(); | |
| 126 if (context3d) | |
| 127 context3d->setContextLostCallback(NULL); | |
| 128 } | |
| 129 | |
| 130 const RendererCapabilities& DelegatingRenderer::Capabilities() const { | |
| 131 return capabilities_; | |
| 132 } | |
| 133 | |
| 134 static ResourceProvider::ResourceId AppendToArray( | |
| 135 ResourceProvider::ResourceIdArray* array, | |
| 136 ResourceProvider::ResourceId id) { | |
| 137 array->push_back(id); | |
| 138 return id; | |
| 139 } | |
| 140 | |
| 141 void DelegatingRenderer::DrawFrame( | |
| 142 RenderPassList& render_passes_in_draw_order) { | |
| 143 TRACE_EVENT0("cc", "DelegatingRenderer::drawFrame"); | |
| 144 | |
| 145 CompositorFrame out_frame; | |
| 146 out_frame.metadata = client_->MakeCompositorFrameMetadata(); | |
| 147 | |
| 148 out_frame.delegated_frame_data = make_scoped_ptr(new DelegatedFrameData); | |
| 149 | |
| 150 // Collect all resource ids in the render passes into a ResourceIdArray. | |
| 151 ResourceProvider::ResourceIdArray resources; | |
| 152 DrawQuad::ResourceIteratorCallback append_to_array = | |
| 153 base::Bind(&AppendToArray, &resources); | |
| 154 for (size_t i = 0; i < render_passes_in_draw_order.size(); ++i) { | |
| 155 RenderPass* render_pass = render_passes_in_draw_order[i]; | |
| 156 for (size_t j = 0; j < render_pass->quad_list.size(); ++j) | |
| 157 render_pass->quad_list[j]->IterateResources(append_to_array); | |
| 158 } | |
| 159 | |
| 160 // Move the render passes and resources into the |out_frame|. | |
| 161 DelegatedFrameData& out_data = *out_frame.delegated_frame_data; | |
| 162 out_data.render_pass_list.swap(render_passes_in_draw_order); | |
| 163 resource_provider_->PrepareSendToParent(resources, &out_data.resource_list); | |
| 164 | |
| 165 output_surface_->SendFrameToParentCompositor(&out_frame); | |
| 166 } | |
| 167 | |
| 168 bool DelegatingRenderer::SwapBuffers() { | |
| 169 return true; | |
| 170 } | |
| 171 | |
| 172 void DelegatingRenderer::GetFramebufferPixels(void* pixels, gfx::Rect rect) { | |
| 173 NOTIMPLEMENTED(); | |
| 174 } | |
| 175 | |
| 176 void DelegatingRenderer::ReceiveCompositorFrameAck( | |
| 177 const CompositorFrameAck& ack) { | |
| 178 resource_provider_->ReceiveFromParent(ack.resources); | |
| 179 if (client_->HasImplThread()) | |
| 180 client_->OnSwapBuffersComplete(); | |
| 181 } | |
| 182 | |
| 183 | |
| 184 bool DelegatingRenderer::IsContextLost() { | |
| 185 WebGraphicsContext3D* context3d = resource_provider_->GraphicsContext3D(); | |
| 186 if (!context3d) | |
| 187 return false; | |
| 188 return context3d->getGraphicsResetStatusARB() != GL_NO_ERROR; | |
| 189 } | |
| 190 | |
| 191 void DelegatingRenderer::SetVisible(bool visible) { | |
| 192 visible_ = visible; | |
| 193 } | |
| 194 | |
| 195 void DelegatingRenderer::onContextLost() { | |
| 196 client_->DidLoseOutputSurface(); | |
| 197 } | |
| 198 | |
| 199 } // namespace cc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 12912006:
Part 4 of cc/ directory shuffles: output (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src