Restructure public side of surfaces service.

mojo/services/public/interfaces/surfaces/quads.mojom

-// 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.
-
-module mojo;
-
-import "mojo/services/public/interfaces/geometry/geometry.mojom";
-import "mojo/services/public/interfaces/surfaces/surface_id.mojom";
-
-struct Color {
-  uint32 rgba;
-};
-
-// TODO(jamesr): Populate subtype fields.
-struct CheckerboardQuadState {};
-
-struct DebugBorderQuadState {};
-
-struct IoSurfaceContentQuadState {};
-
-struct RenderPassId {
-  int32 layer_id;
-  int32 index;
-};
-
-struct RenderPassQuadState {
-  RenderPassId render_pass_id;
-
-  // If nonzero, resource id of mask to use when drawing this pass.
-  uint32 mask_resource_id;
-  PointF mask_uv_scale;
-  Size mask_texture_size;
-
-  // Post-processing filters, applied to the pixels in the render pass' texture.
-  // TODO(jamesr): Support
-  // FilterOperations filters;
-
-  // The scale from layer space of the root layer of the render pass to
-  // the render pass physical pixels. This scale is applied to the filter
-  // parameters for pixel-moving filters. This scale should include
-  // content-to-target-space scale, and device pixel ratio.
-  PointF filters_scale;
-
-  // Post-processing filters, applied to the pixels showing through the
-  // background of the render pass, from behind it.
-  // TODO(jamesr): Support
-  // FilterOperations background_filters;
-};
-
-struct SolidColorQuadState {
-  Color color;
-  bool force_anti_aliasing_off;
-};
-
-struct SurfaceQuadState {
-  SurfaceId surface;
-};
-
-struct TextureQuadState {
-  uint32 resource_id;
-  bool premultiplied_alpha;
-  PointF uv_top_left;
-  PointF uv_bottom_right;
-  Color background_color;
-  array<float, 4> vertex_opacity;
-  bool flipped;
-  bool nearest_neighbor;
-};
-
-struct TileQuadState {
-  RectF tex_coord_rect;
-  Size texture_size;
-  bool swizzle_contents;
-  uint32 resource_id;
-};
-
-struct StreamVideoQuadState {};
-
-enum YUVColorSpace {
-  REC_601,       // SDTV standard with restricted "studio swing" color range.
-  REC_601_JPEG,  // Full color range [0, 255] variant of the above.
-};
-
-struct YUVVideoQuadState {
-  RectF tex_coord_rect;
-  uint32 y_plane_resource_id;
-  uint32 u_plane_resource_id;
-  uint32 v_plane_resource_id;
-  uint32 a_plane_resource_id;
-  YUVColorSpace color_space;
-};
-
-enum Material {
-  CHECKERBOARD = 1,
-  DEBUG_BORDER,
-  IO_SURFACE_CONTENT,
-  PICTURE_CONTENT,
-  RENDER_PASS,
-  SOLID_COLOR,
-  STREAM_VIDEO_CONTENT,
-  SURFACE_CONTENT,
-  TEXTURE_CONTENT,
-  TILED_CONTENT,
-  YUV_VIDEO_CONTENT,
-};
-
-struct Quad {
-  Material material;
-
-  // This rect, after applying the quad_transform(), gives the geometry that
-  // this quad should draw to. This rect lives in content space.
-  Rect rect;
-
-  // This specifies the region of the quad that is opaque. This rect lives in
-  // content space.
-  Rect opaque_rect;
-
-  // Allows changing the rect that gets drawn to make it smaller. This value
-  // should be clipped to |rect|. This rect lives in content space.
-  Rect visible_rect;
-
-  // Allows changing the rect that gets drawn to make it smaller. This value
-  // should be clipped to |rect|. This rect lives in content space.
-  bool needs_blending;
-
-  // Index into the containing pass' shared quad state array which has state
-  // (transforms etc) shared by multiple quads.
-  uint32 shared_quad_state_index;
-
-  // Only one of the following will be set, depending on the material.
-  CheckerboardQuadState? checkerboard_quad_state;
-  DebugBorderQuadState? debug_border_quad_state;
-  IoSurfaceContentQuadState? io_surface_quad_state;
-  RenderPassQuadState? render_pass_quad_state;
-  SolidColorQuadState? solid_color_quad_state;
-  SurfaceQuadState? surface_quad_state;
-  TextureQuadState? texture_quad_state;
-  TileQuadState? tile_quad_state;
-  StreamVideoQuadState? stream_video_quad_state;
-  YUVVideoQuadState? yuv_video_quad_state;
-};
-
-enum SkXfermode {
-  kClear_Mode = 0,    //!< [0, 0]
-  kSrc_Mode,      //!< [Sa, Sc]
-  kDst_Mode,      //!< [Da, Dc]
-  kSrcOver_Mode,  //!< [Sa + Da - Sa*Da, Rc = Sc + (1 - Sa)*Dc]
-  kDstOver_Mode,  //!< [Sa + Da - Sa*Da, Rc = Dc + (1 - Da)*Sc]
-  kSrcIn_Mode,    //!< [Sa * Da, Sc * Da]
-  kDstIn_Mode,    //!< [Sa * Da, Sa * Dc]
-  kSrcOut_Mode,   //!< [Sa * (1 - Da), Sc * (1 - Da)]
-  kDstOut_Mode,   //!< [Da * (1 - Sa), Dc * (1 - Sa)]
-  kSrcATop_Mode,  //!< [Da, Sc * Da + (1 - Sa) * Dc]
-  kDstATop_Mode,  //!< [Sa, Sa * Dc + Sc * (1 - Da)]
-  kXor_Mode,      //!< [Sa + Da - 2 * Sa * Da, Sc * (1 - Da) + (1 - Sa) * Dc]
-  kPlus_Mode,     //!< [Sa + Da, Sc + Dc]
-  kModulate_Mode, // multiplies all components (= alpha and color)
-
-  // Following blend modes are defined in the CSS Compositing standard:
-  // https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#blending
-  kScreen_Mode,
-  kLastCoeffMode = kScreen_Mode,
-
-  kOverlay_Mode,
-  kDarken_Mode,
-  kLighten_Mode,
-  kColorDodge_Mode,
-  kColorBurn_Mode,
-  kHardLight_Mode,
-  kSoftLight_Mode,
-  kDifference_Mode,
-  kExclusion_Mode,
-  kMultiply_Mode,
-  kLastSeparableMode = kMultiply_Mode,
-
-  kHue_Mode,
-  kSaturation_Mode,
-  kColor_Mode,
-  kLuminosity_Mode,
-  kLastMode = kLuminosity_Mode
-};
-
-struct SharedQuadState {
-  // Transforms from quad's original content space to its target content space.
-  Transform content_to_target_transform;
-
-  // This size lives in the content space for the quad's originating layer.
-  Size content_bounds;
-
-  // This rect lives in the content space for the quad's originating layer.
-  Rect visible_content_rect;
-
-  // This rect lives in the target content space.
-  Rect clip_rect;
-
-  bool is_clipped;
-  float opacity;
-  SkXfermode blend_mode;
-  int32 sorting_context_id;
-};
-
-struct Pass {
-  int32 id;
-  Rect output_rect;
-  Rect damage_rect;
-  Transform transform_to_root_target;
-  bool has_transparent_background;
-  array<Quad> quads;
-  array<SharedQuadState> shared_quad_states;
-};