GpuService: Add 'help' and 'vkjson' commands (8b0d55e3) · Commits · e / os / android_frameworks_native-old

services/surfaceflinger/Android.mk

+6 −1

Original line number	Diff line number	Diff line
		@@ -38,6 +38,9 @@ LOCAL_SRC_FILES := \
		RenderEngine/GLES11RenderEngine.cpp \
		RenderEngine/GLES20RenderEngine.cpp

		LOCAL_C_INCLUDES := \
		frameworks/native/vulkan/include \
		external/vulkan-validation-layers/libs/vkjson

		LOCAL_CFLAGS := -DLOG_TAG=\"SurfaceFlinger\"
		LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
		@@ -107,6 +110,7 @@ endif
		LOCAL_CFLAGS += -fvisibility=hidden -Werror=format
		LOCAL_CFLAGS += -std=c++14

		LOCAL_STATIC_LIBRARIES := libvkjson
		LOCAL_SHARED_LIBRARIES := \
		libcutils \
		liblog \
		@@ -119,7 +123,8 @@ LOCAL_SHARED_LIBRARIES := \
		libbinder \
		libui \
		libgui \
		libpowermanager
		libpowermanager \
		libvulkan

		LOCAL_MODULE := libsurfaceflinger

services/surfaceflinger/GpuService.cpp

+111 −3

Original line number	Diff line number	Diff line
		@@ -17,6 +17,8 @@
		#include "GpuService.h"

		#include <binder/Parcel.h>
		#include <utils/String8.h>
		#include <vkjson.h>

		namespace android {

		@@ -53,15 +55,121 @@ status_t BnGpuService::onTransact(uint32_t code, const Parcel& data,

		// ----------------------------------------------------------------------------

		namespace {
		status_t cmd_help(int out);
		status_t cmd_vkjson(int out, int err);
		}

		const char* const GpuService::SERVICE_NAME = "gpu";

		GpuService::GpuService() {}

		status_t GpuService::shellCommand(int /in/, int /out/, int /err/,
		Vector<String16>& /args/)
		status_t GpuService::shellCommand(int /in/, int out, int err,
		Vector<String16>& args)
		{
		ALOGD("GpuService::shellCommand");
		ALOGV("GpuService::shellCommand");
		for (size_t i = 0, n = args.size(); i < n; i++)
		ALOGV(" arg[%zu]: '%s'", i, String8(args[i]).string());

		if (args[0] == String16("vkjson"))
		return cmd_vkjson(out, err);
		else if (args[0] == String16("help"))
		return cmd_help(out);

		return NO_ERROR;
		}

		// ----------------------------------------------------------------------------

		namespace {

		status_t cmd_help(int out) {
		FILE* outs = fdopen(out, "w");
		if (!outs) {
		ALOGE("vkjson: failed to create out stream: %s (%d)", strerror(errno),
		errno);
		return BAD_VALUE;
		}
		fprintf(outs,
		"GPU Service commands:\n"
		" vkjson dump Vulkan device capabilities as JSON\n");
		fclose(outs);
		return NO_ERROR;
		}

		VkResult vkjsonPrint(FILE* out, FILE* err) {
		VkResult result;

		const VkApplicationInfo app_info = {
		VK_STRUCTURE_TYPE_APPLICATION_INFO, nullptr,
		"vkjson", 1, /* app name, version */
		"", 0, /* engine name, version */
		VK_API_VERSION
		};
		const VkInstanceCreateInfo instance_info = {
		VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, nullptr,
		0, /* flags */
		&app_info,
		0, nullptr, /* layers */
		0, nullptr, /* extensions */
		};
		VkInstance instance;
		result = vkCreateInstance(&instance_info, nullptr, &instance);
		if (result != VK_SUCCESS) {
		fprintf(err, "vkCreateInstance failed: %d\n", result);
		return result;
		}

		uint32_t ngpu = 0;
		result = vkEnumeratePhysicalDevices(instance, &ngpu, nullptr);
		if (result != VK_SUCCESS) {
		fprintf(err, "vkEnumeratePhysicalDevices failed: %d\n", result);
		return result;
		}
		std::vector<VkPhysicalDevice> gpus(ngpu, VK_NULL_HANDLE);
		result = vkEnumeratePhysicalDevices(instance, &ngpu, gpus.data());
		if (result != VK_SUCCESS) {
		fprintf(err, "vkEnumeratePhysicalDevices failed: %d\n", result);
		return result;
		}

		for (size_t i = 0, n = gpus.size(); i < n; i++) {
		auto props = VkJsonGetAllProperties(gpus[i]);
		std::string json = VkJsonAllPropertiesToJson(props);
		fwrite(json.data(), 1, json.size(), out);
		if (i < n - 1)
		fputc(',', out);
		fputc('\n', out);
		}

		vkDestroyInstance(instance, nullptr);

		return VK_SUCCESS;
		}

		status_t cmd_vkjson(int out, int err) {
		int errnum;
		FILE* outs = fdopen(out, "w");
		if (!outs) {
		errnum = errno;
		ALOGE("vkjson: failed to create output stream: %s", strerror(errnum));
		return -errnum;
		}
		FILE* errs = fdopen(err, "w");
		if (!errs) {
		errnum = errno;
		ALOGE("vkjson: failed to create error stream: %s", strerror(errnum));
		fclose(outs);
		return -errnum;
		}
		fprintf(outs, "[\n");
		VkResult result = vkjsonPrint(outs, errs);
		fprintf(outs, "]\n");
		fclose(errs);
		fclose(outs);
		return result >= 0 ? NO_ERROR : UNKNOWN_ERROR;
		}

		} // anonymous namespace

		} // namespace android