From 1c41ba468681fcee3ebb9b9b0cf68095b7f13f1e Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Mon, 23 May 2022 13:13:45 +0800
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Subject: [PATCH 3/3] core: Add --off-screen command-line option
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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src/main_loop.cpp | 7 +++++--
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src/options.cpp | 5 +++++
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src/options.h | 1 +
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3 files changed, 11 insertions(+), 2 deletions(-)
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diff --git a/src/main_loop.cpp b/src/main_loop.cpp
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index 5a6383b..94f4a12 100644
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--- a/src/main_loop.cpp
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+++ b/src/main_loop.cpp
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@@ -123,8 +123,11 @@ void MainLoop::run()
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!(should_quit = ws.should_quit()) &&
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!should_stop)
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{
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- ws.present_vulkan_image(
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- scene.draw(ws.next_vulkan_image()));
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+ if (options.off_screen)
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+ scene.draw(ws.next_vulkan_image());
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+ else
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+ ws.present_vulkan_image(
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+ scene.draw(ws.next_vulkan_image()));
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scene.update();
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}
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diff --git a/src/options.cpp b/src/options.cpp
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index 0ef58c9..6009949 100644
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--- a/src/options.cpp
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+++ b/src/options.cpp
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@@ -50,6 +50,7 @@ struct option long_options[] = {
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{"winsys-options", 1, 0, 0},
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{"list-devices", 0, 0, 0},
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{"run-forever", 0, 0, 0},
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+ {"off-screen", 0, 0, 0},
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{"debug", 0, 0, 0},
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{"help", 0, 0, 0},
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{0, 0, 0, 0}
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@@ -136,6 +137,7 @@ Options::Options()
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window_system_dir{VKMARK_WINDOW_SYSTEM_DIR},
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data_dir{VKMARK_DATA_DIR},
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run_forever{false},
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+ off_screen{false},
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show_debug{false},
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show_help{false},
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list_devices{false},
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@@ -167,6 +169,7 @@ std::string Options::help_string()
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" --winsys-options OPTS Window system options as 'opt1=val1(:opt2=val2)*'\n"
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" --run-forever Run indefinitely, looping from the last benchmark\n"
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" back to the first\n"
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+ " --off-screen Render to an off-screen surface\n"
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" -d, --debug Display debug messages\n"
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" -D --use-device Use Vulkan device with specified UUID\n"
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" -L --list-devices List Vulkan devices\n"
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@@ -223,6 +226,8 @@ bool Options::parse_args(int argc, char **argv)
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window_system_options = parse_window_system_options(optarg);
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else if (optname == "run-forever")
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run_forever = true;
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+ else if (optname == "off-screen")
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+ off_screen = true;
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else if (c == 'd' || optname == "debug")
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show_debug = true;
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else if (c == 'h' || optname == "help")
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diff --git a/src/options.h b/src/options.h
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index eb5b6cf..69b37d4 100644
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--- a/src/options.h
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+++ b/src/options.h
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@@ -55,6 +55,7 @@ struct Options
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std::string window_system;
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std::vector<WindowSystemOption> window_system_options;
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bool run_forever;
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+ bool off_screen;
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bool show_debug;
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bool show_help;
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bool list_devices;
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--
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2.20.1
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