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| 1 // Copyright 2011 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 #include "cc/tiled_layer_impl.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/stringprintf.h" | |
| 9 #include "cc/append_quads_data.h" | |
| 10 #include "cc/base/math_util.h" | |
| 11 #include "cc/debug/debug_colors.h" | |
| 12 #include "cc/quad_sink.h" | |
| 13 #include "cc/quads/checkerboard_draw_quad.h" | |
| 14 #include "cc/quads/debug_border_draw_quad.h" | |
| 15 #include "cc/quads/solid_color_draw_quad.h" | |
| 16 #include "cc/quads/tile_draw_quad.h" | |
| 17 #include "cc/resources/layer_tiling_data.h" | |
| 18 #include "third_party/khronos/GLES2/gl2.h" | |
| 19 #include "third_party/skia/include/core/SkColor.h" | |
| 20 #include "ui/gfx/quad_f.h" | |
| 21 | |
| 22 namespace cc { | |
| 23 | |
| 24 // Temporary diagnostic. | |
| 25 static bool s_safe_to_delete_drawable_tile = false; | |
| 26 | |
| 27 class DrawableTile : public LayerTilingData::Tile { | |
| 28 public: | |
| 29 static scoped_ptr<DrawableTile> Create() { | |
| 30 return make_scoped_ptr(new DrawableTile()); | |
| 31 } | |
| 32 | |
| 33 virtual ~DrawableTile() { CHECK(s_safe_to_delete_drawable_tile); } | |
| 34 | |
| 35 ResourceProvider::ResourceId resource_id() const { return resource_id_; } | |
| 36 void set_resource_id(ResourceProvider::ResourceId resource_id) { | |
| 37 resource_id_ = resource_id; | |
| 38 } | |
| 39 bool contents_swizzled() { return contents_swizzled_; } | |
| 40 void set_contents_swizzled(bool contents_swizzled) { | |
| 41 contents_swizzled_ = contents_swizzled; | |
| 42 } | |
| 43 | |
| 44 private: | |
| 45 DrawableTile() : resource_id_(0), contents_swizzled_(false) {} | |
| 46 | |
| 47 ResourceProvider::ResourceId resource_id_; | |
| 48 bool contents_swizzled_; | |
| 49 | |
| 50 DISALLOW_COPY_AND_ASSIGN(DrawableTile); | |
| 51 }; | |
| 52 | |
| 53 TiledLayerImpl::TiledLayerImpl(LayerTreeImpl* tree_impl, int id) | |
| 54 : LayerImpl(tree_impl, id), skips_draw_(true) {} | |
| 55 | |
| 56 TiledLayerImpl::~TiledLayerImpl() { | |
| 57 s_safe_to_delete_drawable_tile = true; | |
| 58 if (tiler_) | |
| 59 tiler_->reset(); | |
| 60 s_safe_to_delete_drawable_tile = false; | |
| 61 } | |
| 62 | |
| 63 ResourceProvider::ResourceId TiledLayerImpl::ContentsResourceId() const { | |
| 64 // This function is only valid for single texture layers, e.g. masks. | |
| 65 DCHECK(tiler_); | |
| 66 DCHECK_EQ(tiler_->num_tiles_x(), 1); | |
| 67 DCHECK_EQ(tiler_->num_tiles_y(), 1); | |
| 68 | |
| 69 DrawableTile* tile = TileAt(0, 0); | |
| 70 ResourceProvider::ResourceId resource_id = tile ? tile->resource_id() : 0; | |
| 71 return resource_id; | |
| 72 } | |
| 73 | |
| 74 void TiledLayerImpl::DumpLayerProperties(std::string* str, int indent) const { | |
| 75 str->append(IndentString(indent)); | |
| 76 base::StringAppendF(str, "skipsDraw: %d\n", (!tiler_ || skips_draw_)); | |
| 77 LayerImpl::DumpLayerProperties(str, indent); | |
| 78 } | |
| 79 | |
| 80 bool TiledLayerImpl::HasTileAt(int i, int j) const { | |
| 81 return tiler_->TileAt(i, j); | |
| 82 } | |
| 83 | |
| 84 bool TiledLayerImpl::HasResourceIdForTileAt(int i, int j) const { | |
| 85 return HasTileAt(i, j) && TileAt(i, j)->resource_id(); | |
| 86 } | |
| 87 | |
| 88 DrawableTile* TiledLayerImpl::TileAt(int i, int j) const { | |
| 89 return static_cast<DrawableTile*>(tiler_->TileAt(i, j)); | |
| 90 } | |
| 91 | |
| 92 DrawableTile* TiledLayerImpl::CreateTile(int i, int j) { | |
| 93 scoped_ptr<DrawableTile> tile(DrawableTile::Create()); | |
| 94 DrawableTile* added_tile = tile.get(); | |
| 95 tiler_->AddTile(tile.PassAs<LayerTilingData::Tile>(), i, j); | |
| 96 | |
| 97 // Temporary diagnostic checks. | |
| 98 CHECK(added_tile); | |
| 99 CHECK(TileAt(i, j)); | |
| 100 | |
| 101 return added_tile; | |
| 102 } | |
| 103 | |
| 104 void TiledLayerImpl::GetDebugBorderProperties(SkColor* color, | |
| 105 float* width) const { | |
| 106 *color = DebugColors::TiledContentLayerBorderColor(); | |
| 107 *width = DebugColors::TiledContentLayerBorderWidth(layer_tree_impl()); | |
| 108 } | |
| 109 | |
| 110 scoped_ptr<LayerImpl> TiledLayerImpl::CreateLayerImpl( | |
| 111 LayerTreeImpl* tree_impl) { | |
| 112 return TiledLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); | |
| 113 } | |
| 114 | |
| 115 void TiledLayerImpl::PushPropertiesTo(LayerImpl* layer) { | |
| 116 LayerImpl::PushPropertiesTo(layer); | |
| 117 | |
| 118 TiledLayerImpl* tiled_layer = static_cast<TiledLayerImpl*>(layer); | |
| 119 | |
| 120 tiled_layer->set_skips_draw(skips_draw_); | |
| 121 tiled_layer->SetTilingData(*tiler_); | |
| 122 | |
| 123 for (LayerTilingData::TileMap::const_iterator iter = tiler_->tiles().begin(); | |
| 124 iter != tiler_->tiles().end(); | |
| 125 ++iter) { | |
| 126 int i = iter->first.first; | |
| 127 int j = iter->first.second; | |
| 128 DrawableTile* tile = static_cast<DrawableTile*>(iter->second); | |
| 129 | |
| 130 tiled_layer->PushTileProperties(i, | |
| 131 j, | |
| 132 tile->resource_id(), | |
| 133 tile->opaque_rect(), | |
| 134 tile->contents_swizzled()); | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 void TiledLayerImpl::AppendQuads(QuadSink* quad_sink, | |
| 139 AppendQuadsData* append_quads_data) { | |
| 140 gfx::Rect content_rect = visible_content_rect(); | |
| 141 | |
| 142 if (!tiler_ || tiler_->has_empty_bounds() || content_rect.IsEmpty()) | |
| 143 return; | |
| 144 | |
| 145 SharedQuadState* shared_quad_state = | |
| 146 quad_sink->UseSharedQuadState(CreateSharedQuadState()); | |
| 147 AppendDebugBorderQuad(quad_sink, shared_quad_state, append_quads_data); | |
| 148 | |
| 149 int left, top, right, bottom; | |
| 150 tiler_->ContentRectToTileIndices(content_rect, &left, &top, &right, &bottom); | |
| 151 | |
| 152 if (ShowDebugBorders()) { | |
| 153 for (int j = top; j <= bottom; ++j) { | |
| 154 for (int i = left; i <= right; ++i) { | |
| 155 DrawableTile* tile = TileAt(i, j); | |
| 156 gfx::Rect tile_rect = tiler_->tile_bounds(i, j); | |
| 157 SkColor border_color; | |
| 158 float border_width; | |
| 159 | |
| 160 if (skips_draw_ || !tile || !tile->resource_id()) { | |
| 161 border_color = DebugColors::MissingTileBorderColor(); | |
| 162 border_width = DebugColors::MissingTileBorderWidth(layer_tree_impl()); | |
| 163 } else { | |
| 164 border_color = DebugColors::HighResTileBorderColor(); | |
| 165 border_width = DebugColors::HighResTileBorderWidth(layer_tree_impl()); | |
| 166 } | |
| 167 scoped_ptr<DebugBorderDrawQuad> debug_border_quad = | |
| 168 DebugBorderDrawQuad::Create(); | |
| 169 debug_border_quad->SetNew( | |
| 170 shared_quad_state, tile_rect, border_color, border_width); | |
| 171 quad_sink->Append(debug_border_quad.PassAs<DrawQuad>(), | |
| 172 append_quads_data); | |
| 173 } | |
| 174 } | |
| 175 } | |
| 176 | |
| 177 if (skips_draw_) | |
| 178 return; | |
| 179 | |
| 180 for (int j = top; j <= bottom; ++j) { | |
| 181 for (int i = left; i <= right; ++i) { | |
| 182 DrawableTile* tile = TileAt(i, j); | |
| 183 gfx::Rect tile_rect = tiler_->tile_bounds(i, j); | |
| 184 gfx::Rect display_rect = tile_rect; | |
| 185 tile_rect.Intersect(content_rect); | |
| 186 | |
| 187 // Skip empty tiles. | |
| 188 if (tile_rect.IsEmpty()) | |
| 189 continue; | |
| 190 | |
| 191 if (!tile || !tile->resource_id()) { | |
| 192 if (DrawCheckerboardForMissingTiles()) { | |
| 193 SkColor checker_color; | |
| 194 if (ShowDebugBorders()) { | |
| 195 checker_color = | |
| 196 tile ? DebugColors::InvalidatedTileCheckerboardColor() | |
| 197 : DebugColors::EvictedTileCheckerboardColor(); | |
| 198 } else { | |
| 199 checker_color = DebugColors::DefaultCheckerboardColor(); | |
| 200 } | |
| 201 | |
| 202 scoped_ptr<CheckerboardDrawQuad> checkerboard_quad = | |
| 203 CheckerboardDrawQuad::Create(); | |
| 204 checkerboard_quad->SetNew( | |
| 205 shared_quad_state, tile_rect, checker_color); | |
| 206 if (quad_sink->Append(checkerboard_quad.PassAs<DrawQuad>(), | |
| 207 append_quads_data)) | |
| 208 append_quads_data->numMissingTiles++; | |
| 209 } else { | |
| 210 scoped_ptr<SolidColorDrawQuad> solid_color_quad = | |
| 211 SolidColorDrawQuad::Create(); | |
| 212 solid_color_quad->SetNew( | |
| 213 shared_quad_state, tile_rect, background_color()); | |
| 214 if (quad_sink->Append(solid_color_quad.PassAs<DrawQuad>(), | |
| 215 append_quads_data)) | |
| 216 append_quads_data->numMissingTiles++; | |
| 217 } | |
| 218 continue; | |
| 219 } | |
| 220 | |
| 221 gfx::Rect tile_opaque_rect = contents_opaque() ? tile_rect : | |
| 222 gfx::IntersectRects(tile->opaque_rect(), content_rect); | |
| 223 | |
| 224 // Keep track of how the top left has moved, so the texture can be | |
| 225 // offset the same amount. | |
| 226 gfx::Vector2d display_offset = tile_rect.origin() - display_rect.origin(); | |
| 227 gfx::Vector2d texture_offset = | |
| 228 tiler_->texture_offset(i, j) + display_offset; | |
| 229 gfx::RectF tex_coord_rect = gfx::RectF(tile_rect.size()) + texture_offset; | |
| 230 | |
| 231 float tile_width = static_cast<float>(tiler_->tile_size().width()); | |
| 232 float tile_height = static_cast<float>(tiler_->tile_size().height()); | |
| 233 gfx::Size texture_size(tile_width, tile_height); | |
| 234 | |
| 235 scoped_ptr<TileDrawQuad> quad = TileDrawQuad::Create(); | |
| 236 quad->SetNew(shared_quad_state, | |
| 237 tile_rect, | |
| 238 tile_opaque_rect, | |
| 239 tile->resource_id(), | |
| 240 tex_coord_rect, | |
| 241 texture_size, | |
| 242 tile->contents_swizzled()); | |
| 243 quad_sink->Append(quad.PassAs<DrawQuad>(), append_quads_data); | |
| 244 } | |
| 245 } | |
| 246 } | |
| 247 | |
| 248 void TiledLayerImpl::SetTilingData(const LayerTilingData& tiler) { | |
| 249 s_safe_to_delete_drawable_tile = true; | |
| 250 | |
| 251 if (tiler_) { | |
| 252 tiler_->reset(); | |
| 253 } else { | |
| 254 tiler_ = LayerTilingData::Create(tiler.tile_size(), | |
| 255 tiler.has_border_texels() | |
| 256 ? LayerTilingData::HAS_BORDER_TEXELS | |
| 257 : LayerTilingData::NO_BORDER_TEXELS); | |
| 258 } | |
| 259 *tiler_ = tiler; | |
| 260 | |
| 261 s_safe_to_delete_drawable_tile = false; | |
| 262 } | |
| 263 | |
| 264 void TiledLayerImpl::PushTileProperties( | |
| 265 int i, | |
| 266 int j, | |
| 267 ResourceProvider::ResourceId resource_id, | |
| 268 gfx::Rect opaque_rect, | |
| 269 bool contents_swizzled) { | |
| 270 DrawableTile* tile = TileAt(i, j); | |
| 271 if (!tile) | |
| 272 tile = CreateTile(i, j); | |
| 273 tile->set_resource_id(resource_id); | |
| 274 tile->set_opaque_rect(opaque_rect); | |
| 275 tile->set_contents_swizzled(contents_swizzled); | |
| 276 } | |
| 277 | |
| 278 void TiledLayerImpl::PushInvalidTile(int i, int j) { | |
| 279 DrawableTile* tile = TileAt(i, j); | |
| 280 if (!tile) | |
| 281 tile = CreateTile(i, j); | |
| 282 tile->set_resource_id(0); | |
| 283 tile->set_opaque_rect(gfx::Rect()); | |
| 284 tile->set_contents_swizzled(false); | |
| 285 } | |
| 286 | |
| 287 Region TiledLayerImpl::VisibleContentOpaqueRegion() const { | |
| 288 if (skips_draw_) | |
| 289 return Region(); | |
| 290 if (contents_opaque()) | |
| 291 return visible_content_rect(); | |
| 292 return tiler_->OpaqueRegionInContentRect(visible_content_rect()); | |
| 293 } | |
| 294 | |
| 295 void TiledLayerImpl::DidLoseOutputSurface() { | |
| 296 s_safe_to_delete_drawable_tile = true; | |
| 297 // Temporary diagnostic check. | |
| 298 CHECK(tiler_); | |
| 299 tiler_->reset(); | |
| 300 s_safe_to_delete_drawable_tile = false; | |
| 301 } | |
| 302 | |
| 303 const char* TiledLayerImpl::LayerTypeAsString() const { | |
| 304 return "ContentLayer"; | |
| 305 } | |
| 306 | |
| 307 } // namespace cc | |
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Chromium Code Reviews
Issue 12603013:
Part 10 of cc/ directory shuffles: layers (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src