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skia2/tools/flags/SkCommonFlagsConfig.cpp
kkinnunen 45c2c8166b Implement support for using GL ES 3.0 with command buffer 
Adds a new 'api': --config gpu(api=commandbuffer3) for dm/nanobench.

BUG=skia:4943
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1684413003

Review URL: https://codereview.chromium.org/1684413003
2016-02-25 02:03:43 -08:00

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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkCommonFlagsConfig.h"
#include <stdlib.h>
static const char defaultConfigs[] =
"565 8888 gpu nonrendering"
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
" angle"
#endif
#endif
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
" hwui"
#endif
;
static const char configHelp[] =
"Options: 565 8888 debug gpu gpudebug gpudft gpunull "
"msaa16 msaa4 nonrendering null nullgpu nvprmsaa16 nvprmsaa4 "
"pdf pdf_poppler skp svg xps"
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
" angle"
#endif
" angle-gl"
#endif
#if SK_COMMAND_BUFFER
" commandbuffer"
#endif
#if SK_MESA
" mesa"
#endif
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
" hwui"
#endif
" or use extended form 'backend(option=value,...)'.\n";
static const char configExtendedHelp[] =
"Extended form: 'backend(option=value,...)'\n\n"
"Possible backends and options:\n"
#if SK_SUPPORT_GPU
"\n"
"gpu(api=string,dit=bool,nvpr=bool,samples=int)\tGPU backend\n"
"\tapi\ttype: string\tdefault: native.\n"
"\t Select graphics API to use with gpu backend.\n"
"\t Options:\n"
"\t\tnative\t\t\tUse platform default OpenGL or OpenGL ES backend.\n"
"\t\tgl \t\t\tUse OpenGL.\n"
"\t\tgles \t\t\tUse OpenGL ES.\n"
"\t\tdebug \t\t\tUse debug OpenGL.\n"
"\t\tnull \t\t\tUse null OpenGL.\n"
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
"\t\tangle\t\t\tUse ANGLE DirectX.\n"
#endif
"\t\tangle-gl\t\t\tUse ANGLE OpenGL.\n"
#endif
#if SK_COMMAND_BUFFER
"\t\tcommandbuffer\t\tUse command buffer.\n"
"\t\tcommandbuffer3\t\tUse command buffer ES 3.0 (experimental).\n"
#endif
#if SK_MESA
"\t\tmesa\t\t\tUse MESA.\n"
#endif
"\tdit\ttype: bool\tdefault: false.\n"
"\t Use device independent text.\n"
"\tnvpr\ttype: bool\tdefault: false.\n"
"\t Use NV_path_rendering OpenGL and OpenGL ES extension.\n"
"\tsamples\ttype: int\tdefault: 0.\n"
"\t Use multisampling with N samples.\n"
"\n"
"Predefined configs:\n\n"
"\tgpu \t= gpu()\n"
"\tmsaa4 \t= gpu(samples=4)\n"
"\tmsaa16 \t= gpu(samples=16)\n"
"\tnvprmsaa4\t= gpu(nvpr=true,samples=4)\n"
"\tnvprmsaa16\t= gpu(nvpr=true,samples=16)\n"
"\tgpudft \t= gpu(dit=true)\n"
"\tgpudebug \t= gpu(api=debug)\n"
"\tgpunull \t= gpu(api=null)\n"
"\tdebug \t= gpu(api=debug)\n"
"\tnullgpu \t= gpu(api=null)\n"
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
"\tangle \t= gpu(api=angle)\n"
#endif
"\tangle-gl \t= gpu(api=angle-gl)\n"
#endif
#if SK_COMMAND_BUFFER
"\tcommandbuffer\t= gpu(api=commandbuffer)\n"
#endif
#if SK_MESA
"\tmesa \t= gpu(api=mesa)\n"
#endif
#endif
;
DEFINE_extended_string(config, defaultConfigs, configHelp, configExtendedHelp);
static const struct {
const char* predefinedConfig;
const char* backend;
const char* options;
} gPredefinedConfigs[] = {
#if SK_SUPPORT_GPU
{ "gpu", "gpu", "" },
{ "msaa4", "gpu", "samples=4" },
{ "msaa16", "gpu", "samples=16" },
{ "nvprmsaa4", "gpu", "nvpr=true,samples=4,dit=true" },
{ "nvprmsaa16", "gpu", "nvpr=true,samples=16,dit=true" },
{ "gpudft", "gpu", "dit=true" },
{ "gpudebug", "gpu", "api=debug" },
{ "gpunull", "gpu", "api=null" },
{ "debug", "gpu", "api=debug" },
{ "nullgpu", "gpu", "api=null" }
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
, { "angle", "gpu", "api=angle" }
#endif
, { "angle-gl", "gpu", "api=angle-gl" }
#endif
#if SK_COMMAND_BUFFER
, { "commandbuffer", "gpu", "api=commandbuffer" }
#endif
#if SK_MESA
, { "mesa", "gpu", "api=mesa" }
#endif
#else
{ "", "", "" }
#endif
};
SkCommandLineConfig::SkCommandLineConfig(const SkString& tag, const SkString& backend,
const SkTArray<SkString>& viaParts)
: fTag(tag)
, fBackend(backend)
, fViaParts(viaParts) {
}
SkCommandLineConfig::~SkCommandLineConfig() {
}
#if SK_SUPPORT_GPU
SkCommandLineConfigGpu::SkCommandLineConfigGpu(
const SkString& tag, const SkTArray<SkString>& viaParts,
ContextType contextType, bool useNVPR, bool useDIText, int samples)
: SkCommandLineConfig(tag, SkString("gpu"), viaParts)
, fContextType(contextType)
, fUseNVPR(useNVPR)
, fUseDIText(useDIText)
, fSamples(samples) {
}
static bool parse_option_int(const SkString& value, int* outInt) {
if (value.isEmpty()) {
return false;
}
char* endptr = nullptr;
long intValue = strtol(value.c_str(), &endptr, 10);
if (*endptr != '\0') {
return false;
}
*outInt = static_cast<int>(intValue);
return true;
}
static bool parse_option_bool(const SkString& value, bool* outBool) {
if (value.equals("true")) {
*outBool = true;
return true;
}
if (value.equals("false")) {
*outBool = false;
return true;
}
return false;
}
static bool parse_option_gpu_api(const SkString& value,
SkCommandLineConfigGpu::ContextType* outContextType) {
if (value.equals("native")) {
*outContextType = GrContextFactory::kNative_GLContextType;
return true;
}
if (value.equals("gl")) {
*outContextType = GrContextFactory::kGL_GLContextType;
return true;
}
if (value.equals("gles")) {
*outContextType = GrContextFactory::kGLES_GLContextType;
return true;
}
if (value.equals("debug")) {
*outContextType = GrContextFactory::kDebug_GLContextType;
return true;
}
if (value.equals("null")) {
*outContextType = GrContextFactory::kNull_GLContextType;
return true;
}
#if SK_ANGLE
#ifdef SK_BUILD_FOR_WIN
if (value.equals("angle")) {
*outContextType = GrContextFactory::kANGLE_GLContextType;
return true;
}
#endif
if (value.equals("angle-gl")) {
*outContextType = GrContextFactory::kANGLE_GL_GLContextType;
return true;
}
#endif
#if SK_COMMAND_BUFFER
if (value.equals("commandbuffer")) {
*outContextType = GrContextFactory::kCommandBufferES2_GLContextType;
return true;
}
if (value.equals("commandbuffer3")) {
*outContextType = GrContextFactory::kCommandBufferES3_GLContextType;
return true;
}
#endif
#if SK_MESA
if (value.equals("mesa")) {
*outContextType = GrContextFactory::kMESA_GLContextType;
return true;
}
#endif
return false;
}
SkCommandLineConfigGpu* parse_command_line_config_gpu(const SkString& tag,
const SkTArray<SkString>& vias,
const SkString& options) {
// Defaults for GPU backend.
bool seenAPI = false;
SkCommandLineConfigGpu::ContextType contextType = GrContextFactory::kNative_GLContextType;
bool seenUseNVPR = false;
bool useNVPR = false;
bool seenUseDIText =false;
bool useDIText = false;
bool seenSamples = false;
int samples = 0;
SkTArray<SkString> optionParts;
SkStrSplit(options.c_str(), ",", kStrict_SkStrSplitMode, &optionParts);
for (int i = 0; i < optionParts.count(); ++i) {
SkTArray<SkString> keyValueParts;
SkStrSplit(optionParts[i].c_str(), "=", kStrict_SkStrSplitMode, &keyValueParts);
if (keyValueParts.count() != 2) {
return nullptr;
}
const SkString& key = keyValueParts[0];
const SkString& value = keyValueParts[1];
bool valueOk = false;
if (key.equals("api") && !seenAPI) {
valueOk = parse_option_gpu_api(value, &contextType);
seenAPI = true;
} else if (key.equals("nvpr") && !seenUseNVPR) {
valueOk = parse_option_bool(value, &useNVPR);
seenUseNVPR = true;
} else if (key.equals("dit") && !seenUseDIText) {
valueOk = parse_option_bool(value, &useDIText);
seenUseDIText = true;
} else if (key.equals("samples") && !seenSamples) {
valueOk = parse_option_int(value, &samples);
seenSamples = true;
}
if (!valueOk) {
return nullptr;
}
}
return new SkCommandLineConfigGpu(tag, vias, contextType, useNVPR, useDIText, samples);
}
#endif
void ParseConfigs(const SkCommandLineFlags::StringArray& configs,
SkCommandLineConfigArray* outResult) {
outResult->reset();
for (int i = 0; i < configs.count(); ++i) {
SkString extendedBackend;
SkString extendedOptions;
SkString simpleBackend;
SkTArray<SkString> vias;
SkString tag(configs[i]);
SkTArray<SkString> parts;
SkStrSplit(tag.c_str(), "(", kStrict_SkStrSplitMode, &parts);
if (parts.count() == 2) {
SkTArray<SkString> parts2;
SkStrSplit(parts[1].c_str(), ")", kStrict_SkStrSplitMode, &parts2);
if (parts2.count() == 2 && parts2[1].isEmpty()) {
SkStrSplit(parts[0].c_str(), "-", kStrict_SkStrSplitMode, &vias);
if (vias.count()) {
extendedBackend = vias[vias.count() - 1];
vias.pop_back();
} else {
extendedBackend = parts[0];
}
extendedOptions = parts2[0];
simpleBackend.printf("%s(%s)", extendedBackend.c_str(), extendedOptions.c_str());
}
}
if (extendedBackend.isEmpty()) {
simpleBackend = tag;
SkStrSplit(tag.c_str(), "-", kStrict_SkStrSplitMode, &vias);
if (vias.count()) {
simpleBackend = vias[vias.count() - 1];
vias.pop_back();
}
// Note: no #if SK_ANGLE: this is a special rule in the via-tag grammar.
if (vias.count() && simpleBackend.equals("gl") &&
vias[vias.count() - 1].equals("angle")) {
simpleBackend = "angle-gl";
vias.pop_back();
}
for (auto& predefinedConfig : gPredefinedConfigs) {
if (simpleBackend.equals(predefinedConfig.predefinedConfig)) {
extendedBackend = predefinedConfig.backend;
extendedOptions = predefinedConfig.options;
break;
}
}
}
SkCommandLineConfig* parsedConfig = nullptr;
#if SK_SUPPORT_GPU
if (extendedBackend.equals("gpu")) {
parsedConfig = parse_command_line_config_gpu(tag, vias, extendedOptions);
}
#endif
if (!parsedConfig) {
parsedConfig = new SkCommandLineConfig(tag, simpleBackend, vias);
}
outResult->emplace_back(parsedConfig);
}
}
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