blob: 943301f2fa9f0869ba278988e80a682888225cd3 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/tools/compositor_model_bench/render_tree.h"
#include <memory>
#include <sstream>
#include <vector>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/logging.h"
#include "base/values.h"
#include "gpu/tools/compositor_model_bench/shaders.h"
using base::JSONReader;
using base::JSONWriter;
using base::ReadFileToString;
using base::Value;
GLenum TextureFormatFromString(const std::string& format) {
if (format == "RGBA")
return GL_RGBA;
if (format == "RGB")
return GL_RGB;
if (format == "LUMINANCE")
return GL_LUMINANCE;
return GL_INVALID_ENUM;
}
const char* TextureFormatName(GLenum format) {
switch (format) {
case GL_RGBA:
return "RGBA";
case GL_RGB:
return "RGB";
case GL_LUMINANCE:
return "LUMINANCE";
default:
return "(unknown format)";
}
}
int FormatBytesPerPixel(GLenum format) {
switch (format) {
case GL_RGBA:
return 4;
case GL_RGB:
return 3;
case GL_LUMINANCE:
return 1;
default:
return 0;
}
}
RenderNode::RenderNode() {
}
RenderNode::~RenderNode() {
}
void RenderNode::Accept(RenderNodeVisitor* v) {
v->BeginVisitRenderNode(this);
v->EndVisitRenderNode(this);
}
ContentLayerNode::ContentLayerNode() {
}
ContentLayerNode::~ContentLayerNode() {
}
void ContentLayerNode::Accept(RenderNodeVisitor* v) {
v->BeginVisitContentLayerNode(this);
for (auto& child : children_) {
child->Accept(v);
}
v->EndVisitContentLayerNode(this);
}
CCNode::CCNode() {
}
CCNode::~CCNode() {
}
void CCNode::Accept(RenderNodeVisitor* v) {
v->BeginVisitCCNode(this);
v->EndVisitCCNode(this);
}
RenderNodeVisitor::~RenderNodeVisitor() {
}
void RenderNodeVisitor::BeginVisitContentLayerNode(ContentLayerNode* v) {
this->BeginVisitRenderNode(v);
}
void RenderNodeVisitor::BeginVisitCCNode(CCNode* v) {
this->BeginVisitRenderNode(v);
}
void RenderNodeVisitor::EndVisitRenderNode(RenderNode* v) {
}
void RenderNodeVisitor::EndVisitContentLayerNode(ContentLayerNode* v) {
this->EndVisitRenderNode(v);
}
void RenderNodeVisitor::EndVisitCCNode(CCNode* v) {
this->EndVisitRenderNode(v);
}
std::unique_ptr<RenderNode> InterpretNode(const base::Value& node);
// Makes sure that the key exists and has the type we expect.
bool VerifyDictionaryEntry(const base::Value& node,
const std::string& key,
Value::Type type) {
const Value* value = node.FindKey(key);
if (!value) {
LOG(ERROR) << "Missing value for key: " << key;
return false;
}
if (value->type() != type) {
LOG(ERROR) << key
<< " did not have the expected type "
"(expected "
<< base::Value::GetTypeName(type) << ")";
return false;
}
return true;
}
// Makes sure that the list entry has the type we expect.
bool VerifyListEntry(const base::Value& list,
int index,
Value::Type type,
const char* listName = nullptr) {
// Assume the index is valid (since we'll be able to generate a better
// error message for this elsewhere.)
if (list.GetListDeprecated()[index].type() != type) {
LOG(ERROR) << (listName ? listName : "List") << "element " << index
<< " did not have the expected type (expected "
<< base::Value::GetTypeName(type) << ")\n";
return false;
}
return true;
}
bool InterpretCommonContents(const base::Value& node, RenderNode* c) {
if (!VerifyDictionaryEntry(node, "layerID", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(node, "width", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(node, "height", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(node, "drawsContent", Value::Type::BOOLEAN) ||
!VerifyDictionaryEntry(node, "targetSurfaceID", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(node, "transform", Value::Type::LIST)) {
return false;
}
c->set_layerID(node.FindIntKey("layerID").value());
c->set_width(node.FindIntKey("width").value());
c->set_height(node.FindIntKey("height").value());
c->set_drawsContent(node.FindBoolKey("drawsContent").value());
c->set_targetSurface(node.FindIntKey("targetSurfaceID").value());
const Value* transform = node.FindKey("transform");
if (transform->GetListDeprecated().size() != 16) {
LOG(ERROR) << "4x4 transform matrix did not have 16 elements";
return false;
}
float transform_mat[16];
for (int i = 0; i < 16; ++i) {
if (!VerifyListEntry(*transform, i, Value::Type::DOUBLE, "Transform"))
return false;
transform_mat[i] = transform->GetListDeprecated()[i].GetDouble();
}
c->set_transform(transform_mat);
const Value* tiles_dict = node.FindKey("tiles");
if (!tiles_dict)
return true;
if (!VerifyDictionaryEntry(node, "tiles", Value::Type::DICTIONARY))
return false;
if (!VerifyDictionaryEntry(*tiles_dict, "dim", Value::Type::LIST))
return false;
const Value* dim = tiles_dict->FindKey("dim");
if (!VerifyListEntry(*dim, 0, Value::Type::INTEGER, "Tile dimension") ||
!VerifyListEntry(*dim, 1, Value::Type::INTEGER, "Tile dimension")) {
return false;
}
c->set_tile_width(dim->GetListDeprecated()[0].GetInt());
c->set_tile_height(dim->GetListDeprecated()[1].GetInt());
if (!VerifyDictionaryEntry(*tiles_dict, "info", Value::Type::LIST))
return false;
const Value* tiles = tiles_dict->FindKey("info");
for (unsigned int i = 0; i < tiles->GetListDeprecated().size(); ++i) {
if (!VerifyListEntry(*tiles, i, Value::Type::DICTIONARY, "Tile info"))
return false;
const Value& tdict = tiles->GetListDeprecated()[i];
if (!VerifyDictionaryEntry(tdict, "x", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(tdict, "y", Value::Type::INTEGER)) {
return false;
}
Tile t;
t.x = tdict.FindIntKey("x").value();
t.y = tdict.FindIntKey("y").value();
const Value* texID = tdict.FindKey("texID");
if (texID) {
if (!VerifyDictionaryEntry(tdict, "texID", Value::Type::INTEGER))
return false;
t.texID = texID->GetInt();
} else {
t.texID = -1;
}
c->add_tile(t);
}
return true;
}
bool InterpretCCData(const base::Value& node, CCNode* c) {
if (!VerifyDictionaryEntry(node, "vertex_shader", Value::Type::STRING) ||
!VerifyDictionaryEntry(node, "fragment_shader", Value::Type::STRING) ||
!VerifyDictionaryEntry(node, "textures", Value::Type::LIST)) {
return false;
}
std::string vertex_shader_name = *node.FindStringKey("vertex_shader");
std::string fragment_shader_name = *node.FindStringKey("fragment_shader");
c->set_vertex_shader(ShaderIDFromString(vertex_shader_name));
c->set_fragment_shader(ShaderIDFromString(fragment_shader_name));
const Value* textures = node.FindKey("textures");
for (unsigned int i = 0; i < textures->GetListDeprecated().size(); ++i) {
if (!VerifyListEntry(*textures, i, Value::Type::DICTIONARY, "Tex list"))
return false;
const Value& tex = textures->GetListDeprecated()[i];
if (!VerifyDictionaryEntry(tex, "texID", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(tex, "height", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(tex, "width", Value::Type::INTEGER) ||
!VerifyDictionaryEntry(tex, "format", Value::Type::STRING)) {
return false;
}
Texture t;
t.texID = tex.FindIntKey("texID").value();
t.height = tex.FindIntKey("height").value();
t.width = tex.FindIntKey("width").value();
const std::string* format_name = tex.FindStringKey("format");
t.format = TextureFormatFromString(*format_name);
if (t.format == GL_INVALID_ENUM) {
LOG(ERROR) << "Unrecognized texture format in layer " << c->layerID()
<< " (format: " << *format_name
<< ")\n"
"The layer had "
<< textures->GetListDeprecated().size() << " children.";
return false;
}
c->add_texture(t);
}
if (c->vertex_shader() == SHADER_UNRECOGNIZED) {
LOG(ERROR) << "Unrecognized vertex shader name, layer " << c->layerID()
<< " (shader: " << vertex_shader_name << ")";
return false;
}
if (c->fragment_shader() == SHADER_UNRECOGNIZED) {
LOG(ERROR) << "Unrecognized fragment shader name, layer " << c->layerID()
<< " (shader: " << fragment_shader_name << ")";
return false;
}
return true;
}
std::unique_ptr<RenderNode> InterpretContentLayer(const base::Value& node) {
auto n = std::make_unique<ContentLayerNode>();
if (!InterpretCommonContents(node, n.get()))
return nullptr;
if (!VerifyDictionaryEntry(node, "type", Value::Type::STRING) ||
!VerifyDictionaryEntry(node, "skipsDraw", Value::Type::BOOLEAN) ||
!VerifyDictionaryEntry(node, "children", Value::Type::LIST)) {
return nullptr;
}
DCHECK_EQ(*node.FindStringKey("type"), "ContentLayer");
n->set_skipsDraw(node.FindBoolKey("skipsDraw").value());
const Value* children = node.FindKey("children");
for (unsigned int i = 0; i < children->GetListDeprecated().size(); ++i) {
const Value& child_node = children->GetListDeprecated()[i];
if (!child_node.is_dict())
continue;
std::unique_ptr<RenderNode> child = InterpretNode(child_node);
if (child)
n->add_child(child.release());
}
return std::move(n);
}
std::unique_ptr<RenderNode> InterpretCanvasLayer(const base::Value& node) {
auto n = std::make_unique<CCNode>();
if (!InterpretCommonContents(node, n.get()))
return nullptr;
if (!VerifyDictionaryEntry(node, "type", Value::Type::STRING))
return nullptr;
DCHECK_EQ(*node.FindStringKey("type"), "CanvasLayer");
if (!InterpretCCData(node, n.get()))
return nullptr;
return std::move(n);
}
std::unique_ptr<RenderNode> InterpretVideoLayer(const base::Value& node) {
auto n = std::make_unique<CCNode>();
if (!InterpretCommonContents(node, n.get()))
return nullptr;
if (!VerifyDictionaryEntry(node, "type", Value::Type::STRING))
return nullptr;
DCHECK_EQ(*node.FindStringKey("type"), "VideoLayer");
if (!InterpretCCData(node, n.get()))
return nullptr;
return std::move(n);
}
std::unique_ptr<RenderNode> InterpretImageLayer(const base::Value& node) {
auto n = std::make_unique<CCNode>();
if (!InterpretCommonContents(node, n.get()))
return nullptr;
if (!VerifyDictionaryEntry(node, "type", Value::Type::STRING))
return nullptr;
DCHECK_EQ(*node.FindStringKey("type"), "ImageLayer");
if (!InterpretCCData(node, n.get()))
return nullptr;
return std::move(n);
}
std::unique_ptr<RenderNode> InterpretNode(const base::Value& node) {
if (!VerifyDictionaryEntry(node, "type", Value::Type::STRING))
return nullptr;
const std::string* type = node.FindStringKey("type");
if (*type == "ContentLayer")
return InterpretContentLayer(node);
if (*type == "CanvasLayer")
return InterpretCanvasLayer(node);
if (*type == "VideoLayer")
return InterpretVideoLayer(node);
if (*type == "ImageLayer")
return InterpretImageLayer(node);
std::string outjson;
JSONWriter::WriteWithOptions(node, base::JSONWriter::OPTIONS_PRETTY_PRINT,
&outjson);
LOG(ERROR) << "Unrecognized node type! JSON:\n\n"
"-----------------------\n"
<< outjson << "-----------------------";
return nullptr;
}
std::unique_ptr<RenderNode> BuildRenderTreeFromFile(
const base::FilePath& path) {
LOG(INFO) << "Reading " << path.LossyDisplayName();
std::string contents;
if (!ReadFileToString(path, &contents))
return nullptr;
JSONReader::ValueWithError result = JSONReader::ReadAndReturnValueWithError(
contents, base::JSON_ALLOW_TRAILING_COMMAS);
if (!result.value.has_value() || !result.value->is_dict()) {
LOG(ERROR) << "Failed to parse JSON file " << path.LossyDisplayName()
<< "\n(" << result.error_message << ")";
return nullptr;
}
return InterpretContentLayer(result.value.value());
}