src/cc/quads/render_pass.cc

   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/quads/render_pass.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/debug/trace_event_argument.h"
  10 #include "base/values.h"
  11 #include "cc/base/math_util.h"
  12 #include "cc/debug/traced_value.h"
  13 #include "cc/output/copy_output_request.h"
  14 #include "cc/quads/checkerboard_draw_quad.h"
  15 #include "cc/quads/debug_border_draw_quad.h"
  16 #include "cc/quads/draw_quad.h"
  17 #include "cc/quads/io_surface_draw_quad.h"
  18 #include "cc/quads/largest_draw_quad.h"
  19 #include "cc/quads/picture_draw_quad.h"
  20 #include "cc/quads/render_pass_draw_quad.h"
  21 #include "cc/quads/shared_quad_state.h"
  22 #include "cc/quads/solid_color_draw_quad.h"
  23 #include "cc/quads/stream_video_draw_quad.h"
  24 #include "cc/quads/surface_draw_quad.h"
  25 #include "cc/quads/texture_draw_quad.h"
  26 #include "cc/quads/tile_draw_quad.h"
  27 #include "cc/quads/yuv_video_draw_quad.h"
  28
  29 namespace {
  30 const size_t kDefaultNumSharedQuadStatesToReserve = 32;
  31 const size_t kDefaultNumQuadsToReserve = 128;
  32 }
  33
  34 namespace cc {
  35
  36 QuadList::QuadList(size_t default_size_to_reserve)
  37     : ListContainer<DrawQuad>(LargestDrawQuadSize(), default_size_to_reserve) {
  38 }
  39
  40 scoped_ptr<RenderPass> RenderPass::Create() {
  41   return make_scoped_ptr(new RenderPass());
  42 }
  43
  44 scoped_ptr<RenderPass> RenderPass::Create(size_t num_layers) {
  45   return make_scoped_ptr(new RenderPass(num_layers));
  46 }
  47
  48 scoped_ptr<RenderPass> RenderPass::Create(size_t shared_quad_state_list_size,
  49                                           size_t quad_list_size) {
  50   return make_scoped_ptr(
  51       new RenderPass(shared_quad_state_list_size, quad_list_size));
  52 }
  53
  54 RenderPass::RenderPass()
  55     : id(RenderPassId(-1, -1)),
  56       has_transparent_background(true),
  57       quad_list(kDefaultNumQuadsToReserve),
  58       shared_quad_state_list(sizeof(SharedQuadState),
  59                              kDefaultNumSharedQuadStatesToReserve) {
  60 }
  61
  62 // Each layer usually produces one shared quad state, so the number of layers
  63 // is a good hint for what to reserve here.
  64 RenderPass::RenderPass(size_t num_layers)
  65     : id(RenderPassId(-1, -1)),
  66       has_transparent_background(true),
  67       quad_list(kDefaultNumQuadsToReserve),
  68       shared_quad_state_list(sizeof(SharedQuadState), num_layers) {
  69 }
  70
  71 RenderPass::RenderPass(size_t shared_quad_state_list_size,
  72                        size_t quad_list_size)
  73     : id(RenderPassId(-1, -1)),
  74       has_transparent_background(true),
  75       quad_list(quad_list_size),
  76       shared_quad_state_list(sizeof(SharedQuadState),
  77                              shared_quad_state_list_size) {
  78 }
  79
  80 RenderPass::~RenderPass() {
  81   TRACE_EVENT_OBJECT_DELETED_WITH_ID(
  82       TRACE_DISABLED_BY_DEFAULT("cc.debug.quads"),
  83       "cc::RenderPass", id.AsTracingId());
  84 }
  85
  86 scoped_ptr<RenderPass> RenderPass::Copy(RenderPassId new_id) const {
  87   scoped_ptr<RenderPass> copy_pass(
  88       Create(shared_quad_state_list.size(), quad_list.size()));
  89   copy_pass->SetAll(new_id,
  90                     output_rect,
  91                     damage_rect,
  92                     transform_to_root_target,
  93                     has_transparent_background);
  94   return copy_pass.Pass();
  95 }
  96
  97 // static
  98 void RenderPass::CopyAll(const ScopedPtrVector<RenderPass>& in,
  99                          ScopedPtrVector<RenderPass>* out) {
 100   for (size_t i = 0; i < in.size(); ++i) {
 101     RenderPass* source = in[i];
 102
 103     // Since we can't copy these, it's wrong to use CopyAll in a situation where
 104     // you may have copy_requests present.
 105     DCHECK_EQ(source->copy_requests.size(), 0u);
 106
 107     scoped_ptr<RenderPass> copy_pass(Create(
 108         source->shared_quad_state_list.size(), source->quad_list.size()));
 109     copy_pass->SetAll(source->id,
 110                       source->output_rect,
 111                       source->damage_rect,
 112                       source->transform_to_root_target,
 113                       source->has_transparent_background);
 114     for (const auto& shared_quad_state : source->shared_quad_state_list) {
 115       SharedQuadState* copy_shared_quad_state =
 116           copy_pass->CreateAndAppendSharedQuadState();
 117       copy_shared_quad_state->CopyFrom(shared_quad_state);
 118     }
 119     SharedQuadStateList::Iterator sqs_iter =
 120         source->shared_quad_state_list.begin();
 121     SharedQuadStateList::Iterator copy_sqs_iter =
 122         copy_pass->shared_quad_state_list.begin();
 123     for (const auto& quad : source->quad_list) {
 124       while (quad->shared_quad_state != *sqs_iter) {
 125         ++sqs_iter;
 126         ++copy_sqs_iter;
 127         DCHECK(sqs_iter != source->shared_quad_state_list.end());
 128       }
 129       DCHECK(quad->shared_quad_state == *sqs_iter);
 130
 131       SharedQuadState* copy_shared_quad_state = *copy_sqs_iter;
 132
 133       if (quad->material == DrawQuad::RENDER_PASS) {
 134         const RenderPassDrawQuad* pass_quad =
 135             RenderPassDrawQuad::MaterialCast(quad);
 136         copy_pass->CopyFromAndAppendRenderPassDrawQuad(
 137             pass_quad, copy_shared_quad_state, pass_quad->render_pass_id);
 138       } else {
 139         copy_pass->CopyFromAndAppendDrawQuad(quad, copy_shared_quad_state);
 140       }
 141     }
 142     out->push_back(copy_pass.Pass());
 143   }
 144 }
 145
 146 void RenderPass::SetNew(RenderPassId id,
 147                         const gfx::Rect& output_rect,
 148                         const gfx::Rect& damage_rect,
 149                         const gfx::Transform& transform_to_root_target) {
 150   DCHECK_GT(id.layer_id, 0);
 151   DCHECK_GE(id.index, 0);
 152   DCHECK(damage_rect.IsEmpty() || output_rect.Contains(damage_rect))
 153       << "damage_rect: " << damage_rect.ToString()
 154       << " output_rect: " << output_rect.ToString();
 155
 156   this->id = id;
 157   this->output_rect = output_rect;
 158   this->damage_rect = damage_rect;
 159   this->transform_to_root_target = transform_to_root_target;
 160
 161   DCHECK(quad_list.empty());
 162   DCHECK(shared_quad_state_list.empty());
 163 }
 164
 165 void RenderPass::SetAll(RenderPassId id,
 166                         const gfx::Rect& output_rect,
 167                         const gfx::Rect& damage_rect,
 168                         const gfx::Transform& transform_to_root_target,
 169                         bool has_transparent_background) {
 170   DCHECK_GT(id.layer_id, 0);
 171   DCHECK_GE(id.index, 0);
 172
 173   this->id = id;
 174   this->output_rect = output_rect;
 175   this->damage_rect = damage_rect;
 176   this->transform_to_root_target = transform_to_root_target;
 177   this->has_transparent_background = has_transparent_background;
 178
 179   DCHECK(quad_list.empty());
 180   DCHECK(shared_quad_state_list.empty());
 181 }
 182
 183 void RenderPass::AsValueInto(base::debug::TracedValue* value) const {
 184   value->BeginArray("output_rect");
 185   MathUtil::AddToTracedValue(output_rect, value);
 186   value->EndArray();
 187
 188   value->BeginArray("damage_rect");
 189   MathUtil::AddToTracedValue(damage_rect, value);
 190   value->EndArray();
 191
 192   value->SetBoolean("has_transparent_background", has_transparent_background);
 193   value->SetInteger("copy_requests", copy_requests.size());
 194
 195   value->BeginArray("shared_quad_state_list");
 196   for (const auto& shared_quad_state : shared_quad_state_list) {
 197     value->BeginDictionary();
 198     shared_quad_state->AsValueInto(value);
 199     value->EndDictionary();
 200   }
 201   value->EndArray();
 202
 203   value->BeginArray("quad_list");
 204   for (const auto& quad : quad_list) {
 205     value->BeginDictionary();
 206     quad->AsValueInto(value);
 207     value->EndDictionary();
 208   }
 209   value->EndArray();
 210
 211   TracedValue::MakeDictIntoImplicitSnapshotWithCategory(
 212       TRACE_DISABLED_BY_DEFAULT("cc.debug.quads"),
 213       value,
 214       "cc::RenderPass",
 215       id.AsTracingId());
 216 }
 217
 218 SharedQuadState* RenderPass::CreateAndAppendSharedQuadState() {
 219   return shared_quad_state_list.AllocateAndConstruct<SharedQuadState>();
 220 }
 221
 222 RenderPassDrawQuad* RenderPass::CopyFromAndAppendRenderPassDrawQuad(
 223     const RenderPassDrawQuad* quad,
 224     const SharedQuadState* shared_quad_state,
 225     RenderPassId render_pass_id) {
 226   RenderPassDrawQuad* copy_quad =
 227       CopyFromAndAppendTypedDrawQuad<RenderPassDrawQuad>(quad);
 228   copy_quad->shared_quad_state = shared_quad_state;
 229   copy_quad->render_pass_id = render_pass_id;
 230   return copy_quad;
 231 }
 232
 233 DrawQuad* RenderPass::CopyFromAndAppendDrawQuad(
 234     const DrawQuad* quad,
 235     const SharedQuadState* shared_quad_state) {
 236   switch (quad->material) {
 237     case DrawQuad::CHECKERBOARD:
 238       CopyFromAndAppendTypedDrawQuad<CheckerboardDrawQuad>(quad);
 239       break;
 240     case DrawQuad::DEBUG_BORDER:
 241       CopyFromAndAppendTypedDrawQuad<DebugBorderDrawQuad>(quad);
 242       break;
 243     case DrawQuad::IO_SURFACE_CONTENT:
 244       CopyFromAndAppendTypedDrawQuad<IOSurfaceDrawQuad>(quad);
 245       break;
 246     case DrawQuad::PICTURE_CONTENT:
 247       CopyFromAndAppendTypedDrawQuad<PictureDrawQuad>(quad);
 248       break;
 249     case DrawQuad::TEXTURE_CONTENT:
 250       CopyFromAndAppendTypedDrawQuad<TextureDrawQuad>(quad);
 251       break;
 252     case DrawQuad::SOLID_COLOR:
 253       CopyFromAndAppendTypedDrawQuad<SolidColorDrawQuad>(quad);
 254       break;
 255     case DrawQuad::TILED_CONTENT:
 256       CopyFromAndAppendTypedDrawQuad<TileDrawQuad>(quad);
 257       break;
 258     case DrawQuad::STREAM_VIDEO_CONTENT:
 259       CopyFromAndAppendTypedDrawQuad<StreamVideoDrawQuad>(quad);
 260       break;
 261     case DrawQuad::SURFACE_CONTENT:
 262       CopyFromAndAppendTypedDrawQuad<SurfaceDrawQuad>(quad);
 263       break;
 264     case DrawQuad::YUV_VIDEO_CONTENT:
 265       CopyFromAndAppendTypedDrawQuad<YUVVideoDrawQuad>(quad);
 266       break;
 267     // RenderPass quads need to use specific CopyFrom function.
 268     case DrawQuad::RENDER_PASS:
 269     case DrawQuad::INVALID:
 270       LOG(FATAL) << "Invalid DrawQuad material " << quad->material;
 271       break;
 272   }
 273   quad_list.back()->shared_quad_state = shared_quad_state;
 274   return quad_list.back();
 275 }
 276
 277 }  // namespace cc