diff options
Diffstat (limited to 'chromium/components/bitmap_uploader/bitmap_uploader.cc')
| -rw-r--r-- | chromium/components/bitmap_uploader/bitmap_uploader.cc | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/chromium/components/bitmap_uploader/bitmap_uploader.cc b/chromium/components/bitmap_uploader/bitmap_uploader.cc deleted file mode 100644 index 8650a9547be..00000000000 --- a/chromium/components/bitmap_uploader/bitmap_uploader.cc +++ /dev/null @@ -1,210 +0,0 @@ -// Copyright 2015 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 "components/bitmap_uploader/bitmap_uploader.h" - -#include <stddef.h> -#include <utility> - -#include "base/bind.h" -#include "base/callback.h" -#include "cc/ipc/compositor_frame.mojom.h" -#include "cc/quads/render_pass.h" -#include "cc/quads/solid_color_draw_quad.h" -#include "cc/quads/texture_draw_quad.h" -#include "components/mus/public/cpp/gles2_context.h" -#include "components/mus/public/cpp/window.h" -#include "components/mus/public/cpp/window_surface.h" - -namespace bitmap_uploader { -namespace { - -const uint32_t g_transparent_color = 0x00000000; - -} // namespace - -const char kBitmapUploaderForAcceleratedWidget[] = - "__BITMAP_UPLOADER_ACCELERATED_WIDGET__"; - -BitmapUploader::BitmapUploader(mus::Window* window) - : window_(window), - color_(g_transparent_color), - width_(0), - height_(0), - format_(BGRA), - next_resource_id_(1u), - id_namespace_(0u) {} - -BitmapUploader::~BitmapUploader() { -} - -void BitmapUploader::Init(shell::Connector* connector) { - surface_ = window_->RequestSurface(mus::mojom::SurfaceType::DEFAULT); - surface_->BindToThread(); - surface_->set_client(this); - - gles2_context_ = mus::GLES2Context::CreateOffscreenContext( - std::vector<int32_t>(), connector); - // CreateOffscreenContext() may return null. -} - -// Sets the color which is RGBA. -void BitmapUploader::SetColor(uint32_t color) { - if (color_ == color) - return; - color_ = color; - if (surface_) - Upload(); -} - -// Sets a bitmap. -void BitmapUploader::SetBitmap(int width, - int height, - std::unique_ptr<std::vector<unsigned char>> data, - Format format) { - width_ = width; - height_ = height; - bitmap_ = std::move(data); - format_ = format; - if (surface_) - Upload(); -} - -void BitmapUploader::Upload() { - if (!gles2_context_) - return; - - const gfx::Rect bounds(window_->bounds().size()); - - cc::CompositorFrame frame; - // TODO(rjkroege): Support device scale factors other than 1. - frame.metadata.device_scale_factor = 1.0f; - frame.delegated_frame_data.reset(new cc::DelegatedFrameData()); - frame.delegated_frame_data->resource_list.resize(0u); - - const cc::RenderPassId render_pass_id(1, 1); - std::unique_ptr<cc::RenderPass> pass = cc::RenderPass::Create(); - pass->SetAll(render_pass_id, bounds, bounds, gfx::Transform(), - true /* has_transparent_background */); - - // The SharedQuadState is owned by the SharedQuadStateList - // shared_quad_state_list. - cc::SharedQuadState* sqs = pass->CreateAndAppendSharedQuadState(); - sqs->SetAll(gfx::Transform(), bounds.size(), bounds, bounds, - false /* is_clipped */, 1.f /* opacity */, SkXfermode::kSrc_Mode, - 0 /* sorting_context_id */); - - if (bitmap_.get()) { - gpu::gles2::GLES2Interface* gl = gles2_context_->interface(); - gfx::Size bitmap_size(width_, height_); - GLuint texture_id = BindTextureForSize(bitmap_size); - gl->TexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bitmap_size.width(), - bitmap_size.height(), TextureFormat(), GL_UNSIGNED_BYTE, - &((*bitmap_)[0])); - - gpu::Mailbox mailbox; - gl->GenMailboxCHROMIUM(mailbox.name); - gl->ProduceTextureCHROMIUM(GL_TEXTURE_2D, mailbox.name); - - const GLuint64 fence_sync = gl->InsertFenceSyncCHROMIUM(); - gl->ShallowFlushCHROMIUM(); - - gpu::SyncToken sync_token; - gl->GenSyncTokenCHROMIUM(fence_sync, sync_token.GetData()); - - cc::TransferableResource resource; - resource.id = next_resource_id_++; - resource_to_texture_id_map_[resource.id] = texture_id; - resource.format = cc::ResourceFormat::RGBA_8888; - resource.filter = GL_LINEAR; - resource.size = bitmap_size; - resource.mailbox_holder = - gpu::MailboxHolder(mailbox, sync_token, GL_TEXTURE_2D); - resource.read_lock_fences_enabled = false; - resource.is_software = false; - resource.is_overlay_candidate = false; - frame.delegated_frame_data->resource_list.push_back(std::move(resource)); - - cc::TextureDrawQuad* quad = - pass->CreateAndAppendDrawQuad<cc::TextureDrawQuad>(); - - gfx::Size rect_size; - if (width_ <= bounds.width() && height_ <= bounds.height()) { - rect_size.SetSize(width_, height_); - } else { - // The source bitmap is larger than the viewport. Resize it while - // maintaining the aspect ratio. - float width_ratio = static_cast<float>(width_) / bounds.width(); - float height_ratio = static_cast<float>(height_) / bounds.height(); - if (width_ratio > height_ratio) { - rect_size.SetSize(bounds.width(), height_ / width_ratio); - } else { - rect_size.SetSize(width_ / height_ratio, bounds.height()); - } - } - gfx::Rect rect(rect_size); - const bool needs_blending = true; - const bool premultiplied_alpha = true; - const gfx::PointF uv_top_left(0.f, 0.f); - const gfx::PointF uv_bottom_right(1.f, 1.f); - float vertex_opacity[4] = {1.f, 1.f, 1.f, 1.f}; - const bool y_flipped = false; - const bool nearest_neighbor = false; - quad->SetAll(sqs, rect, rect, rect, needs_blending, resource.id, - gfx::Size(), premultiplied_alpha, uv_top_left, uv_bottom_right, - g_transparent_color, vertex_opacity, y_flipped, - nearest_neighbor, false); - } - - if (color_ != g_transparent_color) { - cc::SolidColorDrawQuad* quad = - pass->CreateAndAppendDrawQuad<cc::SolidColorDrawQuad>(); - const bool force_antialiasing_off = false; - const gfx::Rect opaque_rect(0, 0, 0, 0); - const bool needs_blending = true; - quad->SetAll(sqs, bounds, opaque_rect, bounds, needs_blending, color_, - force_antialiasing_off); - } - - frame.delegated_frame_data->render_pass_list.push_back(std::move(pass)); - - // TODO(rjkroege, fsamuel): We should throttle frames. - surface_->SubmitCompositorFrame(std::move(frame), base::Closure()); -} - -uint32_t BitmapUploader::BindTextureForSize(const gfx::Size& size) { - gpu::gles2::GLES2Interface* gl = gles2_context_->interface(); - // TODO(jamesr): Recycle textures. - GLuint texture = 0u; - gl->GenTextures(1, &texture); - gl->BindTexture(GL_TEXTURE_2D, texture); - gl->TexImage2D(GL_TEXTURE_2D, 0, TextureFormat(), size.width(), size.height(), - 0, TextureFormat(), GL_UNSIGNED_BYTE, 0); - gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - return texture; -} - -void BitmapUploader::SetIdNamespace(uint32_t id_namespace) { - id_namespace_ = id_namespace; - if (color_ != g_transparent_color || bitmap_.get()) - Upload(); -} - -void BitmapUploader::OnResourcesReturned( - mus::WindowSurface* surface, - mojo::Array<cc::ReturnedResource> resources) { - gpu::gles2::GLES2Interface* gl = gles2_context_->interface(); - // TODO(jamesr): Recycle. - for (size_t i = 0; i < resources.size(); ++i) { - cc::ReturnedResource resource = std::move(resources[i]); - DCHECK_EQ(1, resource.count); - gl->WaitSyncTokenCHROMIUM(resource.sync_token.GetConstData()); - uint32_t texture_id = resource_to_texture_id_map_[resource.id]; - DCHECK_NE(0u, texture_id); - resource_to_texture_id_map_.erase(resource.id); - gl->DeleteTextures(1, &texture_id); - } -} - -} // namespace bitmap_uploader |