cc/quads/yuv_video_draw_quad.h

// 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_QUADS_YUV_VIDEO_DRAW_QUAD_H_
#define CC_QUADS_YUV_VIDEO_DRAW_QUAD_H_

#include <stddef.h>

#include <memory>

#include "cc/base/cc_export.h"
#include "cc/quads/draw_quad.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/size.h"

namespace cc {

class CC_EXPORT YUVVideoDrawQuad : public DrawQuad {
 public:
  static const size_t kYPlaneResourceIdIndex = 0;
  static const size_t kUPlaneResourceIdIndex = 1;
  static const size_t kVPlaneResourceIdIndex = 2;
  static const size_t kAPlaneResourceIdIndex = 3;

  enum : uint32_t { kMinBitsPerChannel = 8, kMaxBitsPerChannel = 24 };

  enum ColorSpace {
    REC_601,  // SDTV standard with restricted "studio swing" color range.
    REC_709,  // HDTV standard with restricted "studio swing" color range.
    JPEG,     // Full color range [0, 255] JPEG color space.
    COLOR_SPACE_LAST = JPEG
  };

  ~YUVVideoDrawQuad() override;

  YUVVideoDrawQuad();
  YUVVideoDrawQuad(const YUVVideoDrawQuad& other);

  void SetNew(const SharedQuadState* shared_quad_state,
              const gfx::Rect& rect,
              const gfx::Rect& opaque_rect,
              const gfx::Rect& visible_rect,
              // |*_tex_coord_rect| contains non-normalized coordinates.
              // TODO(reveman): Make the use of normalized vs non-normalized
              // coordinates consistent across all quad types: crbug.com/487370
              const gfx::RectF& ya_tex_coord_rect,
              const gfx::RectF& uv_tex_coord_rect,
              const gfx::Size& ya_tex_size,
              const gfx::Size& uv_tex_size,
              unsigned y_plane_resource_id,
              unsigned u_plane_resource_id,
              unsigned v_plane_resource_id,
              unsigned a_plane_resource_id,
              ColorSpace color_space,
              const gfx::ColorSpace& video_color_space,
              float offset,
              float multiplier,
              uint32_t bits_per_channel);

  void SetAll(const SharedQuadState* shared_quad_state,
              const gfx::Rect& rect,
              const gfx::Rect& opaque_rect,
              const gfx::Rect& visible_rect,
              bool needs_blending,
              // |*_tex_coord_rect| contains non-normalized coordinates.
              // TODO(reveman): Make the use of normalized vs non-normalized
              // coordinates consistent across all quad types: crbug.com/487370
              const gfx::RectF& ya_tex_coord_rect,
              const gfx::RectF& uv_tex_coord_rect,
              const gfx::Size& ya_tex_size,
              const gfx::Size& uv_tex_size,
              unsigned y_plane_resource_id,
              unsigned u_plane_resource_id,
              unsigned v_plane_resource_id,
              unsigned a_plane_resource_id,
              ColorSpace color_space,
              const gfx::ColorSpace& video_color_space,
              float offset,
              float multiplier,
              uint32_t bits_per_channel);

  gfx::RectF ya_tex_coord_rect;
  gfx::RectF uv_tex_coord_rect;
  gfx::Size ya_tex_size;
  gfx::Size uv_tex_size;
  ColorSpace color_space;
  float resource_offset = 0.0f;
  float resource_multiplier = 1.0f;
  uint32_t bits_per_channel = 8;
  // TODO(hubbe): Move to ResourceProvider::ScopedSamplerGL.
  gfx::ColorSpace video_color_space;

  static const YUVVideoDrawQuad* MaterialCast(const DrawQuad*);

  ResourceId y_plane_resource_id() const {
    return resources.ids[kYPlaneResourceIdIndex];
  }
  ResourceId u_plane_resource_id() const {
    return resources.ids[kUPlaneResourceIdIndex];
  }
  ResourceId v_plane_resource_id() const {
    return resources.ids[kVPlaneResourceIdIndex];
  }
  ResourceId a_plane_resource_id() const {
    return resources.ids[kAPlaneResourceIdIndex];
  }

 private:
  void ExtendValue(base::trace_event::TracedValue* value) const override;
};

}  // namespace cc

#endif  // CC_QUADS_YUV_VIDEO_DRAW_QUAD_H_