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     : premultiplied_alpha(false),
  17       background_color(SK_ColorTRANSPARENT),
  18       y_flipped(false),
  19       nearest_neighbor(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 y_flipped,
  37                              bool nearest_neighbor) {
  38   bool needs_blending = vertex_opacity[0] != 1.0f || vertex_opacity[1] != 1.0f
  39       || vertex_opacity[2] != 1.0f || vertex_opacity[3] != 1.0f;
  40   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
  41                    opaque_rect, visible_rect, needs_blending);
  42   resources.ids[kResourceIdIndex] = resource_id;
  43   resources.count = 1;
  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->y_flipped = y_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                              gfx::Size resource_size_in_pixels,
  63                              bool allow_overlay,
  64                              bool premultiplied_alpha,
  65                              const gfx::PointF& uv_top_left,
  66                              const gfx::PointF& uv_bottom_right,
  67                              SkColor background_color,
  68                              const float vertex_opacity[4],
  69                              bool y_flipped,
  70                              bool nearest_neighbor) {
  71   DrawQuad::SetAll(shared_quad_state, DrawQuad::TEXTURE_CONTENT, rect,
  72                    opaque_rect, visible_rect, needs_blending);
  73   resources.ids[kResourceIdIndex] = resource_id;
  74   overlay_resources.size_in_pixels[kResourceIdIndex] = resource_size_in_pixels;
  75   overlay_resources.allow_overlay[kResourceIdIndex] = allow_overlay;
  76   resources.count = 1;
  77   this->premultiplied_alpha = premultiplied_alpha;
  78   this->uv_top_left = uv_top_left;
  79   this->uv_bottom_right = uv_bottom_right;
  80   this->background_color = background_color;
  81   this->vertex_opacity[0] = vertex_opacity[0];
  82   this->vertex_opacity[1] = vertex_opacity[1];
  83   this->vertex_opacity[2] = vertex_opacity[2];
  84   this->vertex_opacity[3] = vertex_opacity[3];
  85   this->y_flipped = y_flipped;
  86   this->nearest_neighbor = nearest_neighbor;
  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", resources.ids[kResourceIdIndex]);
  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("y_flipped", y_flipped);
 109   value->SetBoolean("nearest_neighbor", nearest_neighbor);
 110 }
 111
 112 TextureDrawQuad::OverlayResources::OverlayResources() {
 113   for (size_t i = 0; i < Resources::kMaxResourceIdCount; ++i)
 114     allow_overlay[i] = false;
 115 }
 116
 117 }  // namespace cc