cc/quads/texture_draw_quad.cc

   1 // Copyright 2012 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/quads/texture_draw_quad.h"
   6
   7 #include "base/logging.h"
   8 #include "base/trace_event/trace_event_argument.h"
   9 #include "base/values.h"
  10 #include "cc/base/math_util.h"
  11 #include "ui/gfx/geometry/vector2d_f.h"
  12
  13 namespace cc {
  14
  15 TextureDrawQuad::TextureDrawQuad()
  16     : resource_id(0),
  17       premultiplied_alpha(false),
  18       background_color(SK_ColorTRANSPARENT),
  19       flipped(false),
  20       nearest_neighbor(false) {
  21   this->vertex_opacity[0] = 0.f;
  22   this->vertex_opacity[1] = 0.f;
  23   this->vertex_opacity[2] = 0.f;
  24   this->vertex_opacity[3] = 0.f;
  25 }
  26
  27 void TextureDrawQuad::SetNew(const SharedQuadState* shared_quad_state,
  28                              const gfx::Rect& rect,
  29                              const gfx::Rect& opaque_rect,
  30                              const gfx::Rect& visible_rect,
  31                              unsigned resource_id,
  32                              bool premultiplied_alpha,
  33                              const gfx::PointF& uv_top_left,
  34                              const gfx::PointF& uv_bottom_right,
  35                              SkColor background_color,
  36                              const float vertex_opacity[4],
  37                              bool flipped,
  38                              bool nearest_neighbor) {
  39   bool needs_blending = vertex_opacity[0] != 1.0f || vertex_opacity[1] != 1.0f
  40       || vertex_opacity[2] != 1.0f || vertex_opacity[3] != 1.0f;
  41   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
  42                    opaque_rect, visible_rect, needs_blending);
  43   this->resource_id = resource_id;
  44   this->premultiplied_alpha = premultiplied_alpha;
  45   this->uv_top_left = uv_top_left;
  46   this->uv_bottom_right = uv_bottom_right;
  47   this->background_color = background_color;
  48   this->vertex_opacity[0] = vertex_opacity[0];
  49   this->vertex_opacity[1] = vertex_opacity[1];
  50   this->vertex_opacity[2] = vertex_opacity[2];
  51   this->vertex_opacity[3] = vertex_opacity[3];
  52   this->flipped = flipped;
  53   this->nearest_neighbor = nearest_neighbor;
  54 }
  55
  56 void TextureDrawQuad::SetAll(const SharedQuadState* shared_quad_state,
  57                              const gfx::Rect& rect,
  58                              const gfx::Rect& opaque_rect,
  59                              const gfx::Rect& visible_rect,
  60                              bool needs_blending,
  61                              unsigned resource_id,
  62                              bool premultiplied_alpha,
  63                              const gfx::PointF& uv_top_left,
  64                              const gfx::PointF& uv_bottom_right,
  65                              SkColor background_color,
  66                              const float vertex_opacity[4],
  67                              bool flipped,
  68                              bool nearest_neighbor) {
  69   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
  70                    opaque_rect, visible_rect, needs_blending);
  71   this->resource_id = resource_id;
  72   this->premultiplied_alpha = premultiplied_alpha;
  73   this->uv_top_left = uv_top_left;
  74   this->uv_bottom_right = uv_bottom_right;
  75   this->background_color = background_color;
  76   this->vertex_opacity[0] = vertex_opacity[0];
  77   this->vertex_opacity[1] = vertex_opacity[1];
  78   this->vertex_opacity[2] = vertex_opacity[2];
  79   this->vertex_opacity[3] = vertex_opacity[3];
  80   this->flipped = flipped;
  81   this->nearest_neighbor = nearest_neighbor;
  82 }
  83
  84 void TextureDrawQuad::IterateResources(
  85     const ResourceIteratorCallback& callback) {
  86   resource_id = callback.Run(resource_id);
  87 }
  88
  89 const TextureDrawQuad* TextureDrawQuad::MaterialCast(const DrawQuad* quad) {
  90   DCHECK(quad->material == DrawQuad::TEXTURE_CONTENT);
  91   return static_cast<const TextureDrawQuad*>(quad);
  92 }
  93
  94 void TextureDrawQuad::ExtendValue(base::trace_event::TracedValue* value) const {
  95   value->SetInteger("resource_id", resource_id);
  96   value->SetBoolean("premultiplied_alpha", premultiplied_alpha);
  97
  98   MathUtil::AddToTracedValue("uv_top_left", uv_top_left, value);
  99   MathUtil::AddToTracedValue("uv_bottom_right", uv_bottom_right, value);
 100
 101   value->SetInteger("background_color", background_color);
 102
 103   value->BeginArray("vertex_opacity");
 104   for (size_t i = 0; i < 4; ++i)
 105     value->AppendDouble(vertex_opacity[i]);
 106   value->EndArray();
 107
 108   value->SetBoolean("flipped", flipped);
 109   value->SetBoolean("nearest_neighbor", nearest_neighbor);
 110 }
 111
 112 }  // namespace cc