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Unified Diff: examples/bitmap_uploader/bitmap_uploader.cc

Issue 1536863002: Delete the Surfaces service. (Closed) Base URL: git@github.com:domokit/mojo.git@moz-4
Patch Set: rebase Created 4 years, 11 months ago
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Index: examples/bitmap_uploader/bitmap_uploader.cc
diff --git a/examples/bitmap_uploader/bitmap_uploader.cc b/examples/bitmap_uploader/bitmap_uploader.cc
deleted file mode 100644
index f1fd4b1f654a491cf0dbbe70a49b0d2c78798722..0000000000000000000000000000000000000000
--- a/examples/bitmap_uploader/bitmap_uploader.cc
+++ /dev/null
@@ -1,276 +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 "examples/bitmap_uploader/bitmap_uploader.h"
-
-#ifndef GL_GLEXT_PROTOTYPES
-#define GL_GLEXT_PROTOTYPES
-#endif // GL_GLEXT_PROTOTYPES
-
-#include <GLES2/gl2.h>
-#include <GLES2/gl2extmojo.h>
-#include <MGL/mgl.h>
-
-#include "base/bind.h"
-#include "mojo/public/cpp/application/connect.h"
-#include "mojo/public/interfaces/application/shell.mojom.h"
-#include "mojo/services/geometry/cpp/geometry_util.h"
-#include "mojo/services/surfaces/cpp/surfaces_utils.h"
-#include "mojo/services/view_manager/cpp/lib/view_manager_client_impl.h"
-#include "ui/gfx/geometry/rect.h"
-
-#define TRANSPARENT_COLOR 0x00000000
-
-namespace mojo {
-
-namespace {
-void LostContext(void*) {
- DCHECK(false);
-}
-
-}
-
-BitmapUploader::BitmapUploader(View* view)
- : view_(view),
- color_(TRANSPARENT_COLOR),
- width_(0),
- height_(0),
- format_(BGRA),
- next_resource_id_(1u),
- id_namespace_(0u),
- local_id_(0u),
- returner_binding_(this) {
-}
-
-void BitmapUploader::Init(Shell* shell) {
- ServiceProviderPtr surfaces_service_provider;
- shell->ConnectToApplication("mojo:surfaces_service",
- GetProxy(&surfaces_service_provider), nullptr);
- ConnectToService(surfaces_service_provider.get(), &surface_);
- surface_->GetIdNamespace(
- base::Bind(&BitmapUploader::SetIdNamespace, base::Unretained(this)));
- mojo::ResourceReturnerPtr returner_ptr;
- returner_binding_.Bind(GetProxy(&returner_ptr));
- surface_->SetResourceReturner(returner_ptr.Pass());
-
- ServiceProviderPtr gpu_service_provider;
- shell->ConnectToApplication("mojo:native_viewport_service",
- GetProxy(&gpu_service_provider), nullptr);
- ConnectToService(gpu_service_provider.get(), &gpu_service_);
-
- CommandBufferPtr gles2_client;
- gpu_service_->CreateOffscreenGLES2Context(GetProxy(&gles2_client));
- mgl_context_ = MGLCreateContext(
- MGL_API_VERSION_GLES2,
- gles2_client.PassInterface().PassHandle().release().value(),
- MGL_NO_CONTEXT, &LostContext, nullptr,
- Environment::GetDefaultAsyncWaiter());
- MGLMakeCurrent(mgl_context_);
-}
-
-BitmapUploader::~BitmapUploader() {
- MGLDestroyContext(mgl_context_);
-}
-
-void BitmapUploader::SetColor(uint32_t color) {
- if (color_ == color)
- return;
- color_ = color;
- if (surface_)
- Upload();
-}
-
-void BitmapUploader::SetBitmap(int width,
- int height,
- scoped_ptr<std::vector<unsigned char>> data,
- Format format) {
- width_ = width;
- height_ = height;
- bitmap_ = data.Pass();
- format_ = format;
- if (surface_)
- Upload();
-}
-
-void BitmapUploader::Upload() {
- Size size;
- size.width = view_->bounds().width;
- size.height = view_->bounds().height;
- if (!size.width || !size.height) {
- view_->SetSurfaceId(SurfaceId::New());
- return;
- }
- if (id_namespace_ == 0u) // Can't generate a qualified ID yet.
- return;
-
- if (size != surface_size_) {
- if (local_id_ != 0u) {
- surface_->DestroySurface(local_id_);
- }
- local_id_++;
- surface_->CreateSurface(local_id_);
- surface_size_ = size;
- auto qualified_id = SurfaceId::New();
- qualified_id->id_namespace = id_namespace_;
- qualified_id->local = local_id_;
- view_->SetSurfaceId(qualified_id.Pass());
- }
-
- Rect bounds;
- bounds.width = size.width;
- bounds.height = size.height;
- 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));
-
- MGLMakeCurrent(mgl_context_);
- if (bitmap_.get()) {
- Size bitmap_size;
- bitmap_size.width = width_;
- bitmap_size.height = height_;
- GLuint texture_id = BindTextureForSize(bitmap_size);
- glTexSubImage2D(GL_TEXTURE_2D,
- 0,
- 0,
- 0,
- bitmap_size.width,
- bitmap_size.height,
- TextureFormat(),
- GL_UNSIGNED_BYTE,
- &((*bitmap_)[0]));
-
- GLbyte mailbox[GL_MAILBOX_SIZE_CHROMIUM];
- glGenMailboxCHROMIUM(mailbox);
- glProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox);
- 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::ResourceFormat::RGBA_8888;
- resource->filter = GL_LINEAR;
- resource->size = bitmap_size.Clone();
- MailboxHolderPtr mailbox_holder = MailboxHolder::New();
- mailbox_holder->mailbox = Mailbox::New();
- for (int i = 0; i < GL_MAILBOX_SIZE_CHROMIUM; ++i)
- mailbox_holder->mailbox->name.push_back(mailbox[i]);
- 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;
-
- RectPtr rect = Rect::New();
- if (width_ <= size.width && height_ <= size.height) {
- rect->width = width_;
- rect->height = height_;
- } else {
- // The source bitmap is larger than the viewport. Resize it while
- // maintaining the aspect ratio.
- float width_ratio = static_cast<float>(width_) / size.width;
- float height_ratio = static_cast<float>(height_) / size.height;
- if (width_ratio > height_ratio) {
- rect->width = size.width;
- rect->height = height_ / width_ratio;
- } else {
- rect->height = size.height;
- rect->width = width_ / height_ratio;
- }
- }
- quad->rect = rect.Clone();
- quad->opaque_rect = rect.Clone();
- quad->visible_rect = rect.Clone();
- 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::New();
- texture_state->uv_bottom_right = PointF::New();
- texture_state->uv_bottom_right->x = 1.f;
- texture_state->uv_bottom_right->y = 1.f;
- texture_state->background_color = Color::New();
- texture_state->background_color->rgba = TRANSPARENT_COLOR;
- 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_ != TRANSPARENT_COLOR) {
- QuadPtr quad = Quad::New();
- quad->material = Material::SOLID_COLOR;
- quad->rect = bounds.Clone();
- quad->opaque_rect = Rect::New();
- quad->visible_rect = bounds.Clone();
- quad->needs_blending = true;
- quad->shared_quad_state_index = 0u;
-
- SolidColorQuadStatePtr color_state = SolidColorQuadState::New();
- color_state->color = Color::New();
- color_state->color->rgba = 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(local_id_, frame.Pass(), mojo::Closure());
-}
-
-void BitmapUploader::SetIdNamespace(uint32_t id_namespace) {
- id_namespace_ = id_namespace;
- if (color_ != TRANSPARENT_COLOR || bitmap_.get())
- Upload();
-}
-
-void BitmapUploader::ReturnResources(Array<ReturnedResourcePtr> resources) {
- MGLMakeCurrent(mgl_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);
- }
-}
-
-uint32_t BitmapUploader::BindTextureForSize(const 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;
-}
-
-uint32_t BitmapUploader::TextureFormat() {
- return format_ == BGRA ? GL_BGRA_EXT : GL_RGBA;
-}
-
-} // namespace mojo
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