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// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "amber/amber.h"
#include <cctype>
#include <cstdlib>
#include <memory>
#include <string>
#include "src/amberscript/parser.h"
#include "src/descriptor_set_and_binding_parser.h"
#include "src/engine.h"
#include "src/executor.h"
#include "src/make_unique.h"
#include "src/parser.h"
#include "src/vkscript/parser.h"
namespace amber {
Amber::Amber() = default;
Amber::~Amber() = default;
amber::Result Amber::Parse(const std::string& input, amber::Recipe* recipe) {
if (!recipe)
return Result("Recipe must be provided to Parse.");
std::unique_ptr<Parser> parser;
if (input.substr(0, 7) == "#!amber")
parser = MakeUnique<amberscript::Parser>();
else
parser = MakeUnique<vkscript::Parser>();
Result r = parser->Parse(input);
if (!r.IsSuccess())
return r;
recipe->SetImpl(parser->GetScript().release());
return {};
}
namespace {
// Create an engine initialize it, and check the recipe's requirements.
// Returns a failing result if anything fails. Otherwise pass the created
// engine out through |engine_ptr| and the script via |script|. The |script|
// pointer is borrowed, and should not be freed.
Result CreateEngineAndCheckRequirements(const Recipe* recipe,
Options* opts,
std::unique_ptr<Engine>* engine_ptr,
Script** script_ptr) {
if (!recipe)
return Result("Attempting to check an invalid recipe");
Script* script = static_cast<Script*>(recipe->GetImpl());
if (!script)
return Result("Recipe must contain a parsed script");
script->SetSpvTargetEnv(opts->spv_env);
auto engine = Engine::Create(opts->engine);
if (!engine) {
return Result("Failed to create engine");
}
// Engine initialization checks requirements. Current backends don't do
// much else. Refactor this if they end up doing to much here.
Result r = engine->Initialize(opts->config, script->GetRequiredFeatures(),
script->GetRequiredInstanceExtensions(),
script->GetRequiredDeviceExtensions());
if (!r.IsSuccess())
return r;
*engine_ptr = std::move(engine);
*script_ptr = script;
return r;
}
} // namespace
amber::Result Amber::AreAllRequirementsSupported(const amber::Recipe* recipe,
Options* opts) {
std::unique_ptr<Engine> engine;
Script* script = nullptr;
return CreateEngineAndCheckRequirements(recipe, opts, &engine, &script);
}
amber::Result Amber::Execute(const amber::Recipe* recipe, Options* opts) {
ShaderMap map;
return ExecuteWithShaderData(recipe, opts, map);
}
amber::Result Amber::ExecuteWithShaderData(const amber::Recipe* recipe,
Options* opts,
const ShaderMap& shader_data) {
std::unique_ptr<Engine> engine;
Script* script = nullptr;
Result r = CreateEngineAndCheckRequirements(recipe, opts, &engine, &script);
if (!r.IsSuccess())
return r;
script->SetSpvTargetEnv(opts->spv_env);
Executor executor;
Result executor_result = executor.Execute(
engine.get(), script, shader_data,
opts->pipeline_create_only ? ExecutionType::kPipelineCreateOnly
: ExecutionType::kExecute);
// Hold the executor result until the extractions are complete. This will let
// us dump any buffers requested even on failure.
// TODO(dsinclair): Figure out how extractions work with multiple pipelines.
auto* pipeline = script->GetPipelines()[0].get();
// The dump process holds onto the results and terminates the loop if any dump
// fails. This will allow us to validate |extractor_result| first as if the
// extractor fails before running the pipeline that will trigger the dumps
// to almost always fail.
for (BufferInfo& buffer_info : opts->extractions) {
if (buffer_info.buffer_name == "framebuffer") {
ResourceInfo info;
r = engine->GetFrameBufferInfo(pipeline, 0, &info);
if (!r.IsSuccess())
break;
buffer_info.width = info.image_info.width;
buffer_info.height = info.image_info.height;
r = engine->GetFrameBuffer(pipeline, 0, &(buffer_info.values));
if (!r.IsSuccess())
break;
continue;
}
DescriptorSetAndBindingParser desc_set_and_binding_parser;
r = desc_set_and_binding_parser.Parse(buffer_info.buffer_name);
if (!r.IsSuccess())
break;
ResourceInfo info = ResourceInfo();
r = engine->GetDescriptorInfo(
pipeline, desc_set_and_binding_parser.GetDescriptorSet(),
desc_set_and_binding_parser.GetBinding(), &info);
if (!r.IsSuccess())
break;
const uint8_t* ptr = static_cast<const uint8_t*>(info.cpu_memory);
auto& values = buffer_info.values;
for (size_t i = 0; i < info.size_in_bytes; ++i) {
values.emplace_back();
values.back().SetIntValue(*ptr);
++ptr;
}
}
if (!executor_result.IsSuccess()) {
engine->Shutdown();
return executor_result;
}
if (!r.IsSuccess()) {
engine->Shutdown();
return r;
}
return engine->Shutdown();
}
} // namespace amber
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