OLD | NEW |
| (Empty) |
1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 module mojo; | |
6 | |
7 import "components/view_manager/public/interfaces/surface_id.mojom"; | |
8 import "ui/mojo/geometry/geometry.mojom"; | |
9 | |
10 struct Color { | |
11 uint32 rgba; | |
12 }; | |
13 | |
14 struct CheckerboardQuadState { | |
15 // Checkerboard color. | |
16 Color color; | |
17 | |
18 // The scale factor of checkers. Chromium uses device scale factor for | |
19 // it. | |
20 float scale; | |
21 }; | |
22 | |
23 struct DebugBorderQuadState { | |
24 // Debug border color. | |
25 Color color; | |
26 | |
27 // Debug border width. | |
28 int32 width; | |
29 }; | |
30 | |
31 // TODO(jamesr): Populate subtype fields. | |
32 struct IoSurfaceContentQuadState {}; | |
33 | |
34 struct RenderPassId { | |
35 int32 layer_id; | |
36 uint32 index; | |
37 }; | |
38 | |
39 struct RenderPassQuadState { | |
40 RenderPassId render_pass_id; | |
41 | |
42 // If nonzero, resource id of mask to use when drawing this pass. | |
43 uint32 mask_resource_id; | |
44 PointF mask_uv_scale; | |
45 Size mask_texture_size; | |
46 | |
47 // Post-processing filters, applied to the pixels in the render pass' texture. | |
48 // TODO(jamesr): Support | |
49 // FilterOperations filters; | |
50 | |
51 // The scale from layer space of the root layer of the render pass to | |
52 // the render pass physical pixels. This scale is applied to the filter | |
53 // parameters for pixel-moving filters. This scale should include | |
54 // content-to-target-space scale, and device pixel ratio. | |
55 PointF filters_scale; | |
56 | |
57 // Post-processing filters, applied to the pixels showing through the | |
58 // background of the render pass, from behind it. | |
59 // TODO(jamesr): Support | |
60 // FilterOperations background_filters; | |
61 }; | |
62 | |
63 struct SolidColorQuadState { | |
64 Color color; | |
65 bool force_anti_aliasing_off; | |
66 }; | |
67 | |
68 struct SurfaceQuadState { | |
69 SurfaceId surface; | |
70 }; | |
71 | |
72 struct TextureQuadState { | |
73 uint32 resource_id; | |
74 bool premultiplied_alpha; | |
75 PointF uv_top_left; | |
76 PointF uv_bottom_right; | |
77 Color background_color; | |
78 array<float, 4> vertex_opacity; | |
79 bool y_flipped; | |
80 bool nearest_neighbor; | |
81 }; | |
82 | |
83 struct TileQuadState { | |
84 RectF tex_coord_rect; | |
85 Size texture_size; | |
86 bool swizzle_contents; | |
87 uint32 resource_id; | |
88 bool nearest_neighbor; | |
89 }; | |
90 | |
91 struct StreamVideoQuadState {}; | |
92 | |
93 enum YUVColorSpace { | |
94 REC_601, // SDTV standard with restricted "studio swing" color range. | |
95 REC_709, // HDTV standard with restricted "studio swing" color range. | |
96 JPEG, // Full color range [0, 255] JPEG color space. | |
97 }; | |
98 | |
99 struct YUVVideoQuadState { | |
100 RectF ya_tex_coord_rect; | |
101 RectF uv_tex_coord_rect; | |
102 Size ya_tex_size; | |
103 Size uv_tex_size; | |
104 uint32 y_plane_resource_id; | |
105 uint32 u_plane_resource_id; | |
106 uint32 v_plane_resource_id; | |
107 uint32 a_plane_resource_id; | |
108 YUVColorSpace color_space; | |
109 }; | |
110 | |
111 enum Material { | |
112 DEBUG_BORDER = 1, | |
113 IO_SURFACE_CONTENT, | |
114 PICTURE_CONTENT, | |
115 RENDER_PASS, | |
116 SOLID_COLOR, | |
117 STREAM_VIDEO_CONTENT, | |
118 SURFACE_CONTENT, | |
119 TEXTURE_CONTENT, | |
120 TILED_CONTENT, | |
121 YUV_VIDEO_CONTENT, | |
122 }; | |
123 | |
124 struct Quad { | |
125 Material material; | |
126 | |
127 // This rect, after applying the quad_transform(), gives the geometry that | |
128 // this quad should draw to. This rect lives in content space. | |
129 Rect rect; | |
130 | |
131 // This specifies the region of the quad that is opaque. This rect lives in | |
132 // content space. | |
133 Rect opaque_rect; | |
134 | |
135 // Allows changing the rect that gets drawn to make it smaller. This value | |
136 // should be clipped to |rect|. This rect lives in content space. | |
137 Rect visible_rect; | |
138 | |
139 // Allows changing the rect that gets drawn to make it smaller. This value | |
140 // should be clipped to |rect|. This rect lives in content space. | |
141 bool needs_blending; | |
142 | |
143 // Index into the containing pass' shared quad state array which has state | |
144 // (transforms etc) shared by multiple quads. | |
145 uint32 shared_quad_state_index; | |
146 | |
147 // Only one of the following will be set, depending on the material. | |
148 CheckerboardQuadState? checkerboard_quad_state; | |
149 DebugBorderQuadState? debug_border_quad_state; | |
150 IoSurfaceContentQuadState? io_surface_quad_state; | |
151 RenderPassQuadState? render_pass_quad_state; | |
152 SolidColorQuadState? solid_color_quad_state; | |
153 SurfaceQuadState? surface_quad_state; | |
154 TextureQuadState? texture_quad_state; | |
155 TileQuadState? tile_quad_state; | |
156 StreamVideoQuadState? stream_video_quad_state; | |
157 YUVVideoQuadState? yuv_video_quad_state; | |
158 }; | |
159 | |
160 enum SkXfermode { | |
161 kClear_Mode = 0, //!< [0, 0] | |
162 kSrc_Mode, //!< [Sa, Sc] | |
163 kDst_Mode, //!< [Da, Dc] | |
164 kSrcOver_Mode, //!< [Sa + Da - Sa*Da, Rc = Sc + (1 - Sa)*Dc] | |
165 kDstOver_Mode, //!< [Sa + Da - Sa*Da, Rc = Dc + (1 - Da)*Sc] | |
166 kSrcIn_Mode, //!< [Sa * Da, Sc * Da] | |
167 kDstIn_Mode, //!< [Sa * Da, Sa * Dc] | |
168 kSrcOut_Mode, //!< [Sa * (1 - Da), Sc * (1 - Da)] | |
169 kDstOut_Mode, //!< [Da * (1 - Sa), Dc * (1 - Sa)] | |
170 kSrcATop_Mode, //!< [Da, Sc * Da + (1 - Sa) * Dc] | |
171 kDstATop_Mode, //!< [Sa, Sa * Dc + Sc * (1 - Da)] | |
172 kXor_Mode, //!< [Sa + Da - 2 * Sa * Da, Sc * (1 - Da) + (1 - Sa) * Dc] | |
173 kPlus_Mode, //!< [Sa + Da, Sc + Dc] | |
174 kModulate_Mode, // multiplies all components (= alpha and color) | |
175 | |
176 // Following blend modes are defined in the CSS Compositing standard: | |
177 // https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#blending | |
178 kScreen_Mode, | |
179 kLastCoeffMode = kScreen_Mode, | |
180 | |
181 kOverlay_Mode, | |
182 kDarken_Mode, | |
183 kLighten_Mode, | |
184 kColorDodge_Mode, | |
185 kColorBurn_Mode, | |
186 kHardLight_Mode, | |
187 kSoftLight_Mode, | |
188 kDifference_Mode, | |
189 kExclusion_Mode, | |
190 kMultiply_Mode, | |
191 kLastSeparableMode = kMultiply_Mode, | |
192 | |
193 kHue_Mode, | |
194 kSaturation_Mode, | |
195 kColor_Mode, | |
196 kLuminosity_Mode, | |
197 kLastMode = kLuminosity_Mode | |
198 }; | |
199 | |
200 struct SharedQuadState { | |
201 // Transforms quad rects into the target content space. | |
202 Transform quad_to_target_transform; | |
203 | |
204 // The size of the quads' originating layer in the space of the quad rects. | |
205 Size quad_layer_bounds; | |
206 | |
207 // The size of the visible area in the quads' originating layer, in the space | |
208 // of the quad rects. | |
209 Rect visible_quad_layer_rect; | |
210 | |
211 // This rect lives in the target content space. | |
212 Rect clip_rect; | |
213 | |
214 bool is_clipped; | |
215 float opacity; | |
216 SkXfermode blend_mode; | |
217 int32 sorting_context_id; | |
218 }; | |
219 | |
220 struct Pass { | |
221 RenderPassId id; | |
222 Rect output_rect; | |
223 Rect damage_rect; | |
224 Transform transform_to_root_target; | |
225 bool has_transparent_background; | |
226 array<Quad> quads; | |
227 array<SharedQuadState> shared_quad_states; | |
228 }; | |
OLD | NEW |