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Issue 12676029: cc: Fix capitalization style in chromified files. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 9 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/trees/layer_sorter.h" 5 #include "cc/trees/layer_sorter.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <deque> 8 #include <deque>
9 #include <limits> 9 #include <limits>
10 #include <vector> 10 #include <vector>
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181 181
182 LayerShape::LayerShape() {} 182 LayerShape::LayerShape() {}
183 183
184 LayerShape::LayerShape(float width, 184 LayerShape::LayerShape(float width,
185 float height, 185 float height,
186 const gfx::Transform& draw_transform) { 186 const gfx::Transform& draw_transform) {
187 gfx::QuadF layer_quad(gfx::RectF(0.f, 0.f, width, height)); 187 gfx::QuadF layer_quad(gfx::RectF(0.f, 0.f, width, height));
188 188
189 // Compute the projection of the layer quad onto the z = 0 plane. 189 // Compute the projection of the layer quad onto the z = 0 plane.
190 190
191 gfx::PointF clippedQuad[8]; 191 gfx::PointF clipped_quad[8];
192 int num_vertices_in_clipped_quad; 192 int num_vertices_in_clipped_quad;
193 MathUtil::MapClippedQuad(draw_transform, 193 MathUtil::MapClippedQuad(draw_transform,
194 layer_quad, 194 layer_quad,
195 clippedQuad, 195 clipped_quad,
196 num_vertices_in_clipped_quad); 196 num_vertices_in_clipped_quad);
197 197
198 if (num_vertices_in_clipped_quad < 3) { 198 if (num_vertices_in_clipped_quad < 3) {
199 projected_bounds = gfx::RectF(); 199 projected_bounds = gfx::RectF();
200 return; 200 return;
201 } 201 }
202 202
203 projected_bounds = 203 projected_bounds =
204 MathUtil::ComputeEnclosingRectOfVertices(clippedQuad, 204 MathUtil::ComputeEnclosingRectOfVertices(clipped_quad,
205 num_vertices_in_clipped_quad); 205 num_vertices_in_clipped_quad);
206 206
207 // NOTE: it will require very significant refactoring and overhead to deal 207 // NOTE: it will require very significant refactoring and overhead to deal
208 // with generalized polygons or multiple quads per layer here. For the sake of 208 // with generalized polygons or multiple quads per layer here. For the sake of
209 // layer sorting it is equally correct to take a subsection of the polygon 209 // layer sorting it is equally correct to take a subsection of the polygon
210 // that can be made into a quad. This will only be incorrect in the case of 210 // that can be made into a quad. This will only be incorrect in the case of
211 // intersecting layers, which are not supported yet anyway. 211 // intersecting layers, which are not supported yet anyway.
212 projected_quad.set_p1(clippedQuad[0]); 212 projected_quad.set_p1(clipped_quad[0]);
213 projected_quad.set_p2(clippedQuad[1]); 213 projected_quad.set_p2(clipped_quad[1]);
214 projected_quad.set_p3(clippedQuad[2]); 214 projected_quad.set_p3(clipped_quad[2]);
215 if (num_vertices_in_clipped_quad >= 4) { 215 if (num_vertices_in_clipped_quad >= 4) {
216 projected_quad.set_p4(clippedQuad[3]); 216 projected_quad.set_p4(clipped_quad[3]);
217 } else { 217 } else {
218 // This will be a degenerate quad that is actually a triangle. 218 // This will be a degenerate quad that is actually a triangle.
219 projected_quad.set_p4(clippedQuad[2]); 219 projected_quad.set_p4(clipped_quad[2]);
220 } 220 }
221 221
222 // Compute the normal of the layer's plane. 222 // Compute the normal of the layer's plane.
223 bool clipped = false; 223 bool clipped = false;
224 gfx::Point3F c1 = 224 gfx::Point3F c1 =
225 MathUtil::MapPoint(draw_transform, gfx::Point3F(0.f, 0.f, 0.f), &clipped); 225 MathUtil::MapPoint(draw_transform, gfx::Point3F(0.f, 0.f, 0.f), &clipped);
226 gfx::Point3F c2 = 226 gfx::Point3F c2 =
227 MathUtil::MapPoint(draw_transform, gfx::Point3F(0.f, 1.f, 0.f), &clipped); 227 MathUtil::MapPoint(draw_transform, gfx::Point3F(0.f, 1.f, 0.f), &clipped);
228 gfx::Point3F c3 = 228 gfx::Point3F c3 =
229 MathUtil::MapPoint(draw_transform, gfx::Point3F(1.f, 0.f, 0.f), &clipped); 229 MathUtil::MapPoint(draw_transform, gfx::Point3F(1.f, 0.f, 0.f), &clipped);
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291 291
292 max_z = std::max(max_z, node.shape.transform_origin.z()); 292 max_z = std::max(max_z, node.shape.transform_origin.z());
293 min_z = std::min(min_z, node.shape.transform_origin.z()); 293 min_z = std::min(min_z, node.shape.transform_origin.z());
294 } 294 }
295 295
296 z_range_ = fabsf(max_z - min_z); 296 z_range_ = fabsf(max_z - min_z);
297 } 297 }
298 298
299 void LayerSorter::CreateGraphEdges() { 299 void LayerSorter::CreateGraphEdges() {
300 DVLOG(2) << "Edges:"; 300 DVLOG(2) << "Edges:";
301 // Fraction of the total zRange below which z differences 301 // Fraction of the total z_range below which z differences
302 // are not considered reliable. 302 // are not considered reliable.
303 const float z_threshold_factor = 0.01f; 303 const float z_threshold_factor = 0.01f;
304 float z_threshold = z_range_ * z_threshold_factor; 304 float z_threshold = z_range_ * z_threshold_factor;
305 305
306 for (size_t na = 0; na < nodes_.size(); na++) { 306 for (size_t na = 0; na < nodes_.size(); na++) {
307 GraphNode& node_a = nodes_[na]; 307 GraphNode& node_a = nodes_[na];
308 if (!node_a.layer->DrawsContent() && !node_a.layer->render_surface()) 308 if (!node_a.layer->DrawsContent() && !node_a.layer->render_surface())
309 continue; 309 continue;
310 for (size_t nb = na + 1; nb < nodes_.size(); nb++) { 310 for (size_t nb = na + 1; nb < nodes_.size(); nb++) {
311 GraphNode& node_b = nodes_[nb]; 311 GraphNode& node_b = nodes_[nb];
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459 *it = sorted_list[count++]->layer; 459 *it = sorted_list[count++]->layer;
460 460
461 DVLOG(2) << "Sorting end ----"; 461 DVLOG(2) << "Sorting end ----";
462 462
463 nodes_.clear(); 463 nodes_.clear();
464 edges_.clear(); 464 edges_.clear();
465 active_edges_.clear(); 465 active_edges_.clear();
466 } 466 }
467 467
468 } // namespace cc 468 } // namespace cc
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