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