| // Copyright 2012 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. |
| |
| #ifndef CC_SCHEDULER_TEXTURE_UPLOADER_H_ |
| #define CC_SCHEDULER_TEXTURE_UPLOADER_H_ |
| |
| #include <set> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/base/scoped_ptr_deque.h" |
| #include "cc/resources/resource_provider.h" |
| |
| namespace WebKit { class WebGraphicsContext3D; } |
| |
| namespace gfx { |
| class Rect; |
| class Size; |
| class Vector2d; |
| } |
| |
| namespace cc { |
| |
| class CC_EXPORT TextureUploader { |
| public: |
| static scoped_ptr<TextureUploader> Create( |
| WebKit::WebGraphicsContext3D* context, |
| bool use_map_tex_sub_image, |
| bool use_shallow_flush) { |
| return make_scoped_ptr( |
| new TextureUploader(context, use_map_tex_sub_image, use_shallow_flush)); |
| } |
| ~TextureUploader(); |
| |
| size_t NumBlockingUploads(); |
| void MarkPendingUploadsAsNonBlocking(); |
| double EstimatedTexturesPerSecond(); |
| |
| // Let content_rect be a rectangle, and let content_rect be a sub-rectangle of |
| // content_rect, expressed in the same coordinate system as content_rect. Let |
| // image be a buffer for content_rect. This function will copy the region |
| // corresponding to source_rect to dest_offset in this sub-image. |
| void Upload(const uint8* image, |
| gfx::Rect content_rect, |
| gfx::Rect source_rect, |
| gfx::Vector2d dest_offset, |
| ResourceFormat format, |
| gfx::Size size); |
| |
| void Flush(); |
| void ReleaseCachedQueries(); |
| |
| private: |
| class Query { |
| public: |
| static scoped_ptr<Query> Create(WebKit::WebGraphicsContext3D* context) { |
| return make_scoped_ptr(new Query(context)); |
| } |
| |
| virtual ~Query(); |
| |
| void Begin(); |
| void End(); |
| bool IsPending(); |
| unsigned Value(); |
| size_t TexturesUploaded(); |
| void mark_as_non_blocking() { |
| is_non_blocking_ = true; |
| } |
| bool is_non_blocking() const { |
| return is_non_blocking_; |
| } |
| |
| private: |
| explicit Query(WebKit::WebGraphicsContext3D* context); |
| |
| WebKit::WebGraphicsContext3D* context_; |
| unsigned query_id_; |
| unsigned value_; |
| bool has_value_; |
| bool is_non_blocking_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Query); |
| }; |
| |
| TextureUploader(WebKit::WebGraphicsContext3D* context, |
| bool use_map_tex_sub_image, |
| bool use_shallow_flush); |
| |
| void BeginQuery(); |
| void EndQuery(); |
| void ProcessQueries(); |
| |
| void UploadWithTexSubImage(const uint8* image, |
| gfx::Rect image_rect, |
| gfx::Rect source_rect, |
| gfx::Vector2d dest_offset, |
| ResourceFormat format); |
| void UploadWithMapTexSubImage(const uint8* image, |
| gfx::Rect image_rect, |
| gfx::Rect source_rect, |
| gfx::Vector2d dest_offset, |
| ResourceFormat format); |
| void UploadWithTexImageETC1(const uint8* image, gfx::Size size); |
| |
| WebKit::WebGraphicsContext3D* context_; |
| ScopedPtrDeque<Query> pending_queries_; |
| ScopedPtrDeque<Query> available_queries_; |
| std::multiset<double> textures_per_second_history_; |
| size_t num_blocking_texture_uploads_; |
| |
| bool use_map_tex_sub_image_; |
| size_t sub_image_size_; |
| scoped_ptr<uint8[]> sub_image_; |
| |
| bool use_shallow_flush_; |
| size_t num_texture_uploads_since_last_flush_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TextureUploader); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_SCHEDULER_TEXTURE_UPLOADER_H_ |