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 import "mojo/services/public/interfaces/geometry/geometry.mojom" 6 import "mojo/services/public/interfaces/surfaces/surface_id.mojom" 7 8 module mojo { 9 10 struct Color { 11 uint32 rgba; 12 }; 13 14 // TODO(jamesr): Populate subtype fields. 15 struct CheckerboardQuadState {}; 16 17 struct DebugBorderQuadState {}; 18 19 struct IoSurfaceContentQuadState {}; 20 21 struct RenderPassId { 22 int32 layer_id; 23 int32 index; 24 }; 25 26 struct RenderPassQuadState { 27 RenderPassId render_pass_id; 28 29 // If nonzero, resource id of mask to use when drawing this pass. 30 uint32 mask_resource_id; 31 RectF mask_uv_rect; 32 33 // Post-processing filters, applied to the pixels in the render pass' texture. 34 // TODO(jamesr): Support 35 // FilterOperations filters; 36 37 // The scale from layer space of the root layer of the render pass to 38 // the render pass physical pixels. This scale is applied to the filter 39 // parameters for pixel-moving filters. This scale should include 40 // content-to-target-space scale, and device pixel ratio. 41 PointF filters_scale; 42 43 // Post-processing filters, applied to the pixels showing through the 44 // background of the render pass, from behind it. 45 // TODO(jamesr): Support 46 // FilterOperations background_filters; 47 }; 48 49 struct SolidColorQuadState { 50 Color color; 51 bool force_anti_aliasing_off; 52 }; 53 54 struct SurfaceQuadState { 55 SurfaceId surface; 56 }; 57 58 struct TextureQuadState { 59 uint32 resource_id; 60 bool premultiplied_alpha; 61 PointF uv_top_left; 62 PointF uv_bottom_right; 63 Color background_color; 64 float[4] vertex_opacity; 65 bool flipped; 66 }; 67 68 struct TileQuadState { 69 RectF tex_coord_rect; 70 Size texture_size; 71 bool swizzle_contents; 72 uint32 resource_id; 73 }; 74 75 struct StreamVideoQuadState {}; 76 77 enum YUVColorSpace { 78 REC_601, // SDTV standard with restricted "studio swing" color range. 79 REC_601_JPEG, // Full color range [0, 255] variant of the above. 80 }; 81 82 struct YUVVideoQuadState { 83 RectF tex_coord_rect; 84 uint32 y_plane_resource_id; 85 uint32 u_plane_resource_id; 86 uint32 v_plane_resource_id; 87 uint32 a_plane_resource_id; 88 YUVColorSpace color_space; 89 }; 90 91 enum Material { 92 CHECKERBOARD = 1, 93 DEBUG_BORDER, 94 IO_SURFACE_CONTENT, 95 PICTURE_CONTENT, 96 RENDER_PASS, 97 SOLID_COLOR, 98 STREAM_VIDEO_CONTENT, 99 SURFACE_CONTENT, 100 TEXTURE_CONTENT, 101 TILED_CONTENT, 102 YUV_VIDEO_CONTENT, 103 }; 104 105 struct Quad { 106 Material material; 107 108 // This rect, after applying the quad_transform(), gives the geometry that 109 // this quad should draw to. This rect lives in content space. 110 Rect rect; 111 112 // This specifies the region of the quad that is opaque. This rect lives in 113 // content space. 114 Rect opaque_rect; 115 116 // Allows changing the rect that gets drawn to make it smaller. This value 117 // should be clipped to |rect|. This rect lives in content space. 118 Rect visible_rect; 119 120 // Allows changing the rect that gets drawn to make it smaller. This value 121 // should be clipped to |rect|. This rect lives in content space. 122 bool needs_blending; 123 124 // Index into the containing pass' shared quad state array which has state 125 // (transforms etc) shared by multiple quads. 126 int32 shared_quad_state_index; 127 128 // Only one of the following will be set, depending on the material. 129 CheckerboardQuadState? checkerboard_quad_state; 130 DebugBorderQuadState? debug_border_quad_state; 131 IoSurfaceContentQuadState? io_surface_quad_state; 132 RenderPassQuadState? render_pass_quad_state; 133 SolidColorQuadState? solid_color_quad_state; 134 SurfaceQuadState? surface_quad_state; 135 TextureQuadState? texture_quad_state; 136 TileQuadState? tile_quad_state; 137 StreamVideoQuadState? stream_video_quad_state; 138 YUVVideoQuadState? yuv_video_quad_state; 139 }; 140 141 enum SkXfermode { 142 kClear_Mode = 0, //!< [0, 0] 143 kSrc_Mode, //!< [Sa, Sc] 144 kDst_Mode, //!< [Da, Dc] 145 kSrcOver_Mode, //!< [Sa + Da - Sa*Da, Rc = Sc + (1 - Sa)*Dc] 146 kDstOver_Mode, //!< [Sa + Da - Sa*Da, Rc = Dc + (1 - Da)*Sc] 147 kSrcIn_Mode, //!< [Sa * Da, Sc * Da] 148 kDstIn_Mode, //!< [Sa * Da, Sa * Dc] 149 kSrcOut_Mode, //!< [Sa * (1 - Da), Sc * (1 - Da)] 150 kDstOut_Mode, //!< [Da * (1 - Sa), Dc * (1 - Sa)] 151 kSrcATop_Mode, //!< [Da, Sc * Da + (1 - Sa) * Dc] 152 kDstATop_Mode, //!< [Sa, Sa * Dc + Sc * (1 - Da)] 153 kXor_Mode, //!< [Sa + Da - 2 * Sa * Da, Sc * (1 - Da) + (1 - Sa) * Dc] 154 kPlus_Mode, //!< [Sa + Da, Sc + Dc] 155 kModulate_Mode, // multiplies all components (= alpha and color) 156 157 // Following blend modes are defined in the CSS Compositing standard: 158 // https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#blending 159 kScreen_Mode, 160 kLastCoeffMode = kScreen_Mode, 161 162 kOverlay_Mode, 163 kDarken_Mode, 164 kLighten_Mode, 165 kColorDodge_Mode, 166 kColorBurn_Mode, 167 kHardLight_Mode, 168 kSoftLight_Mode, 169 kDifference_Mode, 170 kExclusion_Mode, 171 kMultiply_Mode, 172 kLastSeparableMode = kMultiply_Mode, 173 174 kHue_Mode, 175 kSaturation_Mode, 176 kColor_Mode, 177 kLuminosity_Mode, 178 kLastMode = kLuminosity_Mode 179 }; 180 181 struct SharedQuadState { 182 // Transforms from quad's original content space to its target content space. 183 Transform content_to_target_transform; 184 185 // This size lives in the content space for the quad's originating layer. 186 Size content_bounds; 187 188 // This rect lives in the content space for the quad's originating layer. 189 Rect visible_content_rect; 190 191 // This rect lives in the target content space. 192 Rect clip_rect; 193 194 bool is_clipped; 195 float opacity; 196 SkXfermode blend_mode; 197 int32 sorting_context_id; 198 }; 199 200 struct Pass { 201 int32 id; 202 Rect output_rect; 203 Rect damage_rect; 204 Transform transform_to_root_target; 205 bool has_transparent_background; 206 Quad[] quads; 207 SharedQuadState[] shared_quad_states; 208 }; 209 210 } 211
