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Unified Diff: mojo/examples/bitmap_uploader/bitmap_uploader.cc

Issue 684543003: Move //mojo/examples to //examples (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 6 years, 2 months ago
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Index: mojo/examples/bitmap_uploader/bitmap_uploader.cc
diff --git a/mojo/examples/bitmap_uploader/bitmap_uploader.cc b/mojo/examples/bitmap_uploader/bitmap_uploader.cc
deleted file mode 100644
index 6a878ec793ce0cf0f173b7a1db6991aa9a99041c..0000000000000000000000000000000000000000
--- a/mojo/examples/bitmap_uploader/bitmap_uploader.cc
+++ /dev/null
@@ -1,233 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "mojo/examples/bitmap_uploader/bitmap_uploader.h"
-
-#ifndef GL_GLEXT_PROTOTYPES
-#define GL_GLEXT_PROTOTYPES
-#endif // GL_GLEXT_PROTOTYPES
-
-#include "base/bind.h"
-#include "cc/surfaces/surface_id.h"
-#include "cc/surfaces/surface_id_allocator.h"
-#include "gpu/GLES2/gl2chromium.h"
-#include "gpu/GLES2/gl2extchromium.h"
-#include "gpu/command_buffer/common/mailbox.h"
-#include "mojo/converters/geometry/geometry_type_converters.h"
-#include "mojo/converters/surfaces/surfaces_type_converters.h"
-#include "mojo/converters/surfaces/surfaces_utils.h"
-#include "mojo/public/c/gles2/gles2.h"
-#include "mojo/public/cpp/application/connect.h"
-#include "mojo/public/interfaces/application/shell.mojom.h"
-#include "mojo/services/public/cpp/view_manager/lib/view_manager_client_impl.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "ui/gfx/geometry/rect.h"
-
-namespace mojo {
-
-namespace {
-void LostContext(void*) {
- DCHECK(false);
-}
-
-uint32_t TextureFormat() {
- return SK_B32_SHIFT ? GL_RGBA : GL_BGRA_EXT;
-}
-}
-
-BitmapUploader::BitmapUploader(View* view)
- : view_(view),
- color_(SK_ColorTRANSPARENT),
- next_resource_id_(1u),
- weak_factory_(this) {
-}
-
-void BitmapUploader::Init(Shell* shell) {
- ServiceProviderPtr surfaces_service_provider;
- shell->ConnectToApplication("mojo:surfaces_service",
- GetProxy(&surfaces_service_provider));
- ConnectToService(surfaces_service_provider.get(), &surfaces_service_);
- ServiceProviderPtr gpu_service_provider;
- shell->ConnectToApplication("mojo:native_viewport_service",
- GetProxy(&gpu_service_provider));
- ConnectToService(gpu_service_provider.get(), &gpu_service_);
-
- surfaces_service_->CreateSurfaceConnection(base::Bind(
- &BitmapUploader::OnSurfaceConnectionCreated, weak_factory_.GetWeakPtr()));
- CommandBufferPtr gles2_client;
- gpu_service_->CreateOffscreenGLES2Context(GetProxy(&gles2_client));
- gles2_context_ =
- MojoGLES2CreateContext(gles2_client.PassMessagePipe().release().value(),
- &LostContext,
- NULL,
- Environment::GetDefaultAsyncWaiter());
- MojoGLES2MakeCurrent(gles2_context_);
-}
-
-BitmapUploader::~BitmapUploader() {
- MojoGLES2DestroyContext(gles2_context_);
-}
-
-void BitmapUploader::SetColor(SkColor color) {
- if (color_ == color)
- return;
- color_ = color;
- if (surface_)
- Upload();
-}
-
-void BitmapUploader::SetBitmap(const SkBitmap& bitmap) {
- bitmap_ = bitmap;
- if (surface_)
- Upload();
-}
-
-void BitmapUploader::Upload() {
- const gfx::Size size(view_->bounds().width, view_->bounds().height);
- if (size.IsEmpty()) {
- view_->SetSurfaceId(SurfaceId::New());
- return;
- }
- if (!surface_) // Can't upload yet, store for later.
- return;
- if (id_.is_null() || size != surface_size_) {
- if (!id_.is_null())
- surface_->DestroySurface(SurfaceId::From(id_));
- id_ = id_allocator_->GenerateId();
- surface_->CreateSurface(SurfaceId::From(id_), Size::From(size));
- view_->SetSurfaceId(SurfaceId::From(id_));
- surface_size_ = size;
- }
-
- gfx::Rect bounds(size);
- PassPtr pass = CreateDefaultPass(1, bounds);
- FramePtr frame = Frame::New();
- frame->resources.resize(0u);
-
- pass->quads.resize(0u);
- pass->shared_quad_states.push_back(CreateDefaultSQS(size));
-
- MojoGLES2MakeCurrent(gles2_context_);
- if (!bitmap_.isNull()) {
- gfx::Size bitmap_size(bitmap_.width(), bitmap_.height());
- GLuint texture_id = BindTextureForSize(bitmap_size);
- bitmap_.lockPixels();
- glTexSubImage2D(GL_TEXTURE_2D,
- 0,
- 0,
- 0,
- bitmap_size.width(),
- bitmap_size.height(),
- TextureFormat(),
- GL_UNSIGNED_BYTE,
- bitmap_.getPixels());
- bitmap_.unlockPixels();
-
- gpu::Mailbox mailbox = gpu::Mailbox::Generate();
- glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name);
- GLuint sync_point = glInsertSyncPointCHROMIUM();
-
- TransferableResourcePtr resource = TransferableResource::New();
- resource->id = next_resource_id_++;
- resource_to_texture_id_map_[resource->id] = texture_id;
- resource->format = mojo::RESOURCE_FORMAT_RGBA_8888;
- resource->filter = GL_LINEAR;
- resource->size = Size::From(bitmap_size);
- MailboxHolderPtr mailbox_holder = MailboxHolder::New();
- mailbox_holder->mailbox = Mailbox::From(mailbox);
- mailbox_holder->texture_target = GL_TEXTURE_2D;
- mailbox_holder->sync_point = sync_point;
- resource->mailbox_holder = mailbox_holder.Pass();
- resource->is_repeated = false;
- resource->is_software = false;
-
- QuadPtr quad = Quad::New();
- quad->material = MATERIAL_TEXTURE_CONTENT;
- quad->rect = Rect::From(bounds);
- quad->opaque_rect = Rect::From(bounds);
- quad->visible_rect = Rect::From(bounds);
- quad->needs_blending = true;
- quad->shared_quad_state_index = 0u;
-
- TextureQuadStatePtr texture_state = TextureQuadState::New();
- texture_state->resource_id = resource->id;
- texture_state->premultiplied_alpha = true;
- texture_state->uv_top_left = PointF::From(gfx::PointF(0.f, 0.f));
- texture_state->uv_bottom_right = PointF::From(gfx::PointF(1.f, 1.f));
- texture_state->background_color = Color::From(SkColor(SK_ColorTRANSPARENT));
- for (int i = 0; i < 4; ++i)
- texture_state->vertex_opacity.push_back(1.f);
- texture_state->flipped = false;
-
- frame->resources.push_back(resource.Pass());
- quad->texture_quad_state = texture_state.Pass();
- pass->quads.push_back(quad.Pass());
- }
-
- if (color_ != SK_ColorTRANSPARENT) {
- QuadPtr quad = Quad::New();
- quad->material = MATERIAL_SOLID_COLOR;
- quad->rect = Rect::From(bounds);
- quad->opaque_rect = Rect::From(gfx::Rect());
- quad->visible_rect = Rect::From(bounds);
- quad->needs_blending = true;
- quad->shared_quad_state_index = 0u;
-
- SolidColorQuadStatePtr color_state = SolidColorQuadState::New();
- color_state->color = Color::From(color_);
- color_state->force_anti_aliasing_off = false;
-
- quad->solid_color_quad_state = color_state.Pass();
- pass->quads.push_back(quad.Pass());
- }
-
- frame->passes.push_back(pass.Pass());
-
- surface_->SubmitFrame(SurfaceId::From(id_), frame.Pass());
-}
-
-void BitmapUploader::ReturnResources(Array<ReturnedResourcePtr> resources) {
- if (!resources.size())
- return;
- MojoGLES2MakeCurrent(gles2_context_);
- // TODO(jamesr): Recycle.
- for (size_t i = 0; i < resources.size(); ++i) {
- ReturnedResourcePtr resource = resources[i].Pass();
- DCHECK_EQ(1, resource->count);
- glWaitSyncPointCHROMIUM(resource->sync_point);
- uint32_t texture_id = resource_to_texture_id_map_[resource->id];
- DCHECK_NE(0u, texture_id);
- resource_to_texture_id_map_.erase(resource->id);
- glDeleteTextures(1, &texture_id);
- }
-}
-
-void BitmapUploader::OnSurfaceConnectionCreated(SurfacePtr surface,
- uint32_t id_namespace) {
- surface_ = surface.Pass();
- surface_.set_client(this);
- id_allocator_.reset(new cc::SurfaceIdAllocator(id_namespace));
- if (color_ != SK_ColorTRANSPARENT || !bitmap_.isNull())
- Upload();
-}
-
-uint32_t BitmapUploader::BindTextureForSize(const gfx::Size size) {
- // TODO(jamesr): Recycle textures.
- GLuint texture = 0u;
- glGenTextures(1, &texture);
- glBindTexture(GL_TEXTURE_2D, texture);
- glTexImage2D(GL_TEXTURE_2D,
- 0,
- TextureFormat(),
- size.width(),
- size.height(),
- 0,
- TextureFormat(),
- GL_UNSIGNED_BYTE,
- 0);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- return texture;
-}
-
-} // namespace mojo
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