From 8bd7170fd95aa0753dc859457808d7f7f81d560d Mon Sep 17 00:00:00 2001 From: Alexander Orzechowski Date: Fri, 19 Aug 2022 10:10:52 -0400 Subject: [PATCH] Use env helpers --- backend/backend.c | 4 +- backend/drm/drm.c | 7 ++-- backend/libinput/backend.c | 10 ++--- render/egl.c | 4 +- render/wlr_renderer.c | 80 ++++++++++++++++++++++---------------- types/output/output.c | 9 ++--- types/scene/wlr_scene.c | 52 +++++-------------------- 7 files changed, 70 insertions(+), 96 deletions(-) diff --git a/backend/backend.c b/backend/backend.c index 32ddca97..4c886af6 100644 --- a/backend/backend.c +++ b/backend/backend.c @@ -17,6 +17,7 @@ #include "backend/backend.h" #include "backend/multi.h" #include "render/allocator/allocator.h" +#include "util/env.h" #if WLR_HAS_DRM_BACKEND #include @@ -364,8 +365,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) { } wlr_multi_backend_add(backend, libinput); #else - const char *no_devs = getenv("WLR_LIBINPUT_NO_DEVICES"); - if (no_devs && strcmp(no_devs, "1") == 0) { + if (env_parse_bool("WLR_LIBINPUT_NO_DEVICES")) { wlr_log(WLR_INFO, "WLR_LIBINPUT_NO_DEVICES is set, " "starting without libinput backend"); } else { diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 9acb4175..94dd7023 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -29,6 +29,7 @@ #include "render/drm_format_set.h" #include "render/swapchain.h" #include "render/wlr_renderer.h" +#include "util/env.h" // Output state which needs a KMS commit to be applied static const uint32_t COMMIT_OUTPUT_STATE = @@ -74,8 +75,7 @@ bool check_drm_features(struct wlr_drm_backend *drm) { return false; } - const char *no_atomic = getenv("WLR_DRM_NO_ATOMIC"); - if (no_atomic && strcmp(no_atomic, "1") == 0) { + if (env_parse_bool("WLR_DRM_NO_ATOMIC")) { wlr_log(WLR_DEBUG, "WLR_DRM_NO_ATOMIC set, forcing legacy DRM interface"); drm->iface = &legacy_iface; @@ -91,8 +91,7 @@ bool check_drm_features(struct wlr_drm_backend *drm) { int ret = drmGetCap(drm->fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap); drm->clock = (ret == 0 && cap == 1) ? CLOCK_MONOTONIC : CLOCK_REALTIME; - const char *no_modifiers = getenv("WLR_DRM_NO_MODIFIERS"); - if (no_modifiers != NULL && strcmp(no_modifiers, "1") == 0) { + if (env_parse_bool("WLR_DRM_NO_MODIFIERS")) { wlr_log(WLR_DEBUG, "WLR_DRM_NO_MODIFIERS set, disabling modifiers"); } else { ret = drmGetCap(drm->fd, DRM_CAP_ADDFB2_MODIFIERS, &cap); diff --git a/backend/libinput/backend.c b/backend/libinput/backend.c index 02c2f64b..688fae5d 100644 --- a/backend/libinput/backend.c +++ b/backend/libinput/backend.c @@ -6,6 +6,7 @@ #include #include #include "backend/libinput.h" +#include "util/env.h" static struct wlr_libinput_backend *get_libinput_backend_from_backend( struct wlr_backend *wlr_backend) { @@ -103,13 +104,8 @@ static bool backend_start(struct wlr_backend *wlr_backend) { libinput_log_set_priority(backend->libinput_context, LIBINPUT_LOG_PRIORITY_ERROR); int libinput_fd = libinput_get_fd(backend->libinput_context); - char *no_devs = getenv("WLR_LIBINPUT_NO_DEVICES"); - if (no_devs) { - if (strcmp(no_devs, "1") != 0) { - no_devs = NULL; - } - } - if (!no_devs && wl_list_empty(&backend->devices)) { + + if (!env_parse_bool("WLR_LIBINPUT_NO_DEVICES") && wl_list_empty(&backend->devices)) { handle_libinput_readable(libinput_fd, WL_EVENT_READABLE, backend); if (wl_list_empty(&backend->devices)) { wlr_log(WLR_ERROR, "libinput initialization failed, no input devices"); diff --git a/render/egl.c b/render/egl.c index 168e358c..ee961f4b 100644 --- a/render/egl.c +++ b/render/egl.c @@ -11,6 +11,7 @@ #include #include #include "render/egl.h" +#include "util/env.h" static enum wlr_log_importance egl_log_importance_to_wlr(EGLint type) { switch (type) { @@ -284,8 +285,7 @@ static bool egl_init_display(struct wlr_egl *egl, EGLDisplay *display) { } if (check_egl_ext(device_exts_str, "EGL_MESA_device_software")) { - const char *allow_software = getenv("WLR_RENDERER_ALLOW_SOFTWARE"); - if (allow_software != NULL && strcmp(allow_software, "1") == 0) { + if (env_parse_bool("WLR_RENDERER_ALLOW_SOFTWARE")) { wlr_log(WLR_INFO, "Using software rendering"); } else { wlr_log(WLR_ERROR, "Software rendering detected, please use " diff --git a/render/wlr_renderer.c b/render/wlr_renderer.c index 622f5f96..f140f9af 100644 --- a/render/wlr_renderer.c +++ b/render/wlr_renderer.c @@ -28,6 +28,7 @@ #include "backend/backend.h" #include "render/pixel_format.h" #include "render/wlr_renderer.h" +#include "util/env.h" void wlr_renderer_init(struct wlr_renderer *renderer, const struct wlr_renderer_impl *impl) { @@ -266,54 +267,65 @@ bool wlr_renderer_init_wl_display(struct wlr_renderer *r, return true; } -struct wlr_renderer *renderer_autocreate_with_drm_fd(int drm_fd) { - const char *name = getenv("WLR_RENDERER"); - if (name) { - wlr_log(WLR_INFO, "Loading user-specified renderer due to WLR_RENDERER: %s", - name); +static void log_creation_failure(bool is_auto, const char *msg) { + wlr_log(is_auto ? WLR_DEBUG : WLR_ERROR, "%s%s", msg, is_auto ? ". Skipping!" : ""); +} +struct wlr_renderer *renderer_autocreate_with_drm_fd(int drm_fd) { + const char *renderer_options[] = { + "auto", #if WLR_HAS_GLES2_RENDERER - if (strcmp(name, "gles2") == 0) { - if (drm_fd < 0) { - wlr_log(WLR_ERROR, "Cannot create GLES2 renderer: " - "no DRM FD available"); - return NULL; - } - return wlr_gles2_renderer_create_with_drm_fd(drm_fd); - } + "gles2", #endif #if WLR_HAS_VULKAN_RENDERER - if (strcmp(name, "vulkan") == 0) { - return wlr_vk_renderer_create_with_drm_fd(drm_fd); - } + "vulkan", #endif - if (strcmp(name, "pixman") == 0) { - return wlr_pixman_renderer_create(); - } - - wlr_log(WLR_ERROR, "Invalid WLR_RENDERER value: '%s'", name); - return NULL; - } + "pixman", + NULL + }; + const char *renderer_name = renderer_options[env_parse_switch("WLR_RENDERER", renderer_options)]; + bool is_auto = strcmp(renderer_name, "auto") == 0; struct wlr_renderer *renderer = NULL; + #if WLR_HAS_GLES2_RENDERER - if (drm_fd >= 0) { - if ((renderer = wlr_gles2_renderer_create_with_drm_fd(drm_fd)) != NULL) { - return renderer; + if (!renderer && (is_auto || strcmp(renderer_name, "gles2") == 0)) { + if (drm_fd < 0) { + log_creation_failure(is_auto, "Cannot create GLES2 renderer: no DRM FD available"); + } else { + renderer = wlr_gles2_renderer_create_with_drm_fd(drm_fd); + if (!renderer) { + log_creation_failure(is_auto, "Failed to create a GLES2 renderer"); + } } - wlr_log(WLR_DEBUG, "Failed to create GLES2 renderer"); - } else { - wlr_log(WLR_DEBUG, "Skipping GLES2 renderer: no DRM FD available"); } #endif - if ((renderer = wlr_pixman_renderer_create()) != NULL) { - return renderer; +#if WLR_HAS_VULKAN_RENDERER + if (!renderer && (is_auto || strcmp(renderer_name, "vulkan") == 0)) { + if (drm_fd < 0) { + log_creation_failure(is_auto, "Cannot create Vulkan renderer: no DRM FD available"); + } else { + renderer = wlr_vk_renderer_create_with_drm_fd(drm_fd); + if (!renderer) { + log_creation_failure(is_auto, "Failed to create a Vulkan renderer"); + } + } } - wlr_log(WLR_DEBUG, "Failed to create pixman renderer"); +#endif - wlr_log(WLR_ERROR, "Could not initialize renderer"); - return NULL; + if (!renderer && (is_auto || strcmp(renderer_name, "pixman") == 0)) { + renderer = wlr_pixman_renderer_create(); + if (!renderer) { + log_creation_failure(is_auto, "Failed to create a pixman renderer"); + } + } + + if (!renderer) { + wlr_log(WLR_ERROR, "Could not initialize renderer"); + } + + return renderer; } static int open_drm_render_node(void) { diff --git a/types/output/output.c b/types/output/output.c index 549dabd1..a4cb8980 100644 --- a/types/output/output.c +++ b/types/output/output.c @@ -10,6 +10,7 @@ #include "render/allocator/allocator.h" #include "render/swapchain.h" #include "types/wlr_output.h" +#include "util/env.h" #include "util/global.h" #define OUTPUT_VERSION 4 @@ -366,11 +367,9 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend, wl_signal_init(&output->events.destroy); output_state_init(&output->pending); - const char *no_hardware_cursors = getenv("WLR_NO_HARDWARE_CURSORS"); - if (no_hardware_cursors != NULL && strcmp(no_hardware_cursors, "1") == 0) { - wlr_log(WLR_DEBUG, - "WLR_NO_HARDWARE_CURSORS set, forcing software cursors"); - output->software_cursor_locks = 1; + output->software_cursor_locks = env_parse_bool("WLR_NO_HARDWARE_CURSORS"); + if (output->software_cursor_locks) { + wlr_log(WLR_DEBUG, "WLR_NO_HARDWARE_CURSORS set, forcing software cursors"); } wlr_addon_set_init(&output->addons); diff --git a/types/scene/wlr_scene.c b/types/scene/wlr_scene.c index a33ea1b3..7541affc 100644 --- a/types/scene/wlr_scene.c +++ b/types/scene/wlr_scene.c @@ -14,6 +14,7 @@ #include "types/wlr_buffer.h" #include "types/wlr_scene.h" #include "util/array.h" +#include "util/env.h" #include "util/time.h" #define HIGHLIGHT_DAMAGE_FADEOUT_TIME 250 @@ -150,49 +151,16 @@ struct wlr_scene *wlr_scene_create(void) { wl_list_init(&scene->outputs); wl_list_init(&scene->presentation_destroy.link); - char *debug_damage = getenv("WLR_SCENE_DEBUG_DAMAGE"); - if (debug_damage) { - wlr_log(WLR_INFO, "Loading WLR_SCENE_DEBUG_DAMAGE option: %s", debug_damage); - } + const char *debug_damage_options[] = { + "none", + "rerender", + "highlight", + NULL + }; - if (!debug_damage || strcmp(debug_damage, "none") == 0) { - scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_NONE; - } else if (strcmp(debug_damage, "rerender") == 0) { - scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_RERENDER; - } else if (strcmp(debug_damage, "highlight") == 0) { - scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_HIGHLIGHT; - } else { - wlr_log(WLR_ERROR, "Unknown WLR_SCENE_DEBUG_DAMAGE option: %s", debug_damage); - scene->debug_damage_option = WLR_SCENE_DEBUG_DAMAGE_NONE; - } - - char *disable_direct_scanout = getenv("WLR_SCENE_DISABLE_DIRECT_SCANOUT"); - if (disable_direct_scanout) { - wlr_log(WLR_INFO, "Loading WLR_SCENE_DISABLE_DIRECT_SCANOUT option: %s", disable_direct_scanout); - } - - if (!disable_direct_scanout || strcmp(disable_direct_scanout, "0") == 0) { - scene->direct_scanout = true; - } else if (strcmp(disable_direct_scanout, "1") == 0) { - scene->direct_scanout = false; - } else { - wlr_log(WLR_ERROR, "Unknown WLR_SCENE_DISABLE_DIRECT_SCANOUT option: %s", disable_direct_scanout); - scene->direct_scanout = true; - } - - char *visibility_disabled = getenv("WLR_SCENE_DISABLE_VISIBILITY"); - if (visibility_disabled) { - wlr_log(WLR_INFO, "Loading WLR_SCENE_DISABLE_VISIBILITY option: %s", visibility_disabled); - } - - if (!visibility_disabled || strcmp(visibility_disabled, "0") == 0) { - scene->calculate_visibility = true; - } else if (strcmp(visibility_disabled, "1") == 0) { - scene->calculate_visibility = false; - } else { - wlr_log(WLR_ERROR, "Unknown WLR_SCENE_DISABLE_VISIBILITY option: %s", visibility_disabled); - scene->calculate_visibility = true; - } + scene->debug_damage_option = env_parse_switch("WLR_SCENE_DEBUG_DAMAGE", debug_damage_options); + scene->direct_scanout = !env_parse_bool("WLR_SCENE_DISABLE_DIRECT_SCANOUT"); + scene->calculate_visibility = !env_parse_bool("WLR_SCENE_DISABLE_VISIBILITY"); return scene; }