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