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-rw-r--r--minui/Android.mk40
-rw-r--r--minui/events.cpp217
-rw-r--r--minui/graphics.cpp155
-rw-r--r--minui/graphics.h31
-rw-r--r--minui/graphics_adf.cpp318
-rw-r--r--minui/graphics_adf.h58
-rw-r--r--minui/graphics_drm.cpp671
-rw-r--r--minui/graphics_drm.h58
-rw-r--r--minui/graphics_fbdev.cpp286
-rw-r--r--minui/graphics_fbdev.h44
-rw-r--r--minui/include/minui/minui.h (renamed from minui/minui.h)20
-rw-r--r--minui/resources.cpp85
12 files changed, 972 insertions, 1011 deletions
diff --git a/minui/Android.mk b/minui/Android.mk
index 3057f452c..4dfc65f8a 100644
--- a/minui/Android.mk
+++ b/minui/Android.mk
@@ -1,3 +1,17 @@
+# Copyright (C) 2007 The Android Open Source Project
+#
+# 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.
+
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
@@ -9,13 +23,20 @@ LOCAL_SRC_FILES := \
graphics_fbdev.cpp \
resources.cpp \
-LOCAL_WHOLE_STATIC_LIBRARIES += libadf
-LOCAL_WHOLE_STATIC_LIBRARIES += libdrm
-LOCAL_STATIC_LIBRARIES += libpng
+LOCAL_WHOLE_STATIC_LIBRARIES := \
+ libadf \
+ libdrm \
+ libsync_recovery
-LOCAL_MODULE := libminui
+LOCAL_STATIC_LIBRARIES := \
+ libpng \
+ libbase
-LOCAL_CLANG := true
+LOCAL_CFLAGS := -Werror
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
+
+LOCAL_MODULE := libminui
# This used to compare against values in double-quotes (which are just
# ordinary characters in this context). Strip double-quotes from the
@@ -41,8 +62,13 @@ include $(BUILD_STATIC_LIBRARY)
# Used by OEMs for factory test images.
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_MODULE := libminui
LOCAL_WHOLE_STATIC_LIBRARIES += libminui
-LOCAL_SHARED_LIBRARIES := libpng
+LOCAL_SHARED_LIBRARIES := \
+ libpng \
+ libbase
+
+LOCAL_CFLAGS := -Werror
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/include
include $(BUILD_SHARED_LIBRARY)
diff --git a/minui/events.cpp b/minui/events.cpp
index 3b2262a4b..0e1fd44a0 100644
--- a/minui/events.cpp
+++ b/minui/events.cpp
@@ -15,17 +15,18 @@
*/
#include <dirent.h>
-#include <errno.h>
#include <fcntl.h>
+#include <linux/input.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
+#include <sys/ioctl.h>
#include <unistd.h>
-#include <linux/input.h>
+#include <functional>
-#include "minui.h"
+#include "minui/minui.h"
#define MAX_DEVICES 16
#define MAX_MISC_FDS 16
@@ -34,9 +35,8 @@
#define BITS_TO_LONGS(x) (((x) + BITS_PER_LONG - 1) / BITS_PER_LONG)
struct fd_info {
- int fd;
- ev_callback cb;
- void* data;
+ int fd;
+ ev_callback cb;
};
static int g_epoll_fd;
@@ -49,92 +49,91 @@ static unsigned ev_count = 0;
static unsigned ev_dev_count = 0;
static unsigned ev_misc_count = 0;
-static bool test_bit(size_t bit, unsigned long* array) {
+static bool test_bit(size_t bit, unsigned long* array) { // NOLINT
return (array[bit/BITS_PER_LONG] & (1UL << (bit % BITS_PER_LONG))) != 0;
}
-int ev_init(ev_callback input_cb, void* data) {
- bool epollctlfail = false;
+int ev_init(ev_callback input_cb) {
+ bool epollctlfail = false;
- g_epoll_fd = epoll_create(MAX_DEVICES + MAX_MISC_FDS);
- if (g_epoll_fd == -1) {
- return -1;
+ g_epoll_fd = epoll_create(MAX_DEVICES + MAX_MISC_FDS);
+ if (g_epoll_fd == -1) {
+ return -1;
+ }
+
+ DIR* dir = opendir("/dev/input");
+ if (dir != NULL) {
+ dirent* de;
+ while ((de = readdir(dir))) {
+ // Use unsigned long to match ioctl's parameter type.
+ unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // NOLINT
+
+ // fprintf(stderr,"/dev/input/%s\n", de->d_name);
+ if (strncmp(de->d_name, "event", 5)) continue;
+ int fd = openat(dirfd(dir), de->d_name, O_RDONLY);
+ if (fd == -1) continue;
+
+ // Read the evbits of the input device.
+ if (ioctl(fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) == -1) {
+ close(fd);
+ continue;
+ }
+
+ // We assume that only EV_KEY, EV_REL, and EV_SW event types are ever needed.
+ if (!test_bit(EV_KEY, ev_bits) && !test_bit(EV_REL, ev_bits) && !test_bit(EV_SW, ev_bits)) {
+ close(fd);
+ continue;
+ }
+
+ epoll_event ev;
+ ev.events = EPOLLIN | EPOLLWAKEUP;
+ ev.data.ptr = &ev_fdinfo[ev_count];
+ if (epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, fd, &ev) == -1) {
+ close(fd);
+ epollctlfail = true;
+ continue;
+ }
+
+ ev_fdinfo[ev_count].fd = fd;
+ ev_fdinfo[ev_count].cb = std::move(input_cb);
+ ev_count++;
+ ev_dev_count++;
+ if (ev_dev_count == MAX_DEVICES) break;
}
- DIR* dir = opendir("/dev/input");
- if (dir != NULL) {
- dirent* de;
- while ((de = readdir(dir))) {
- unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)];
-
-// fprintf(stderr,"/dev/input/%s\n", de->d_name);
- if (strncmp(de->d_name, "event", 5)) continue;
- int fd = openat(dirfd(dir), de->d_name, O_RDONLY);
- if (fd == -1) continue;
-
- // Read the evbits of the input device.
- if (ioctl(fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) == -1) {
- close(fd);
- continue;
- }
-
- // We assume that only EV_KEY, EV_REL, and EV_SW event types are ever needed.
- if (!test_bit(EV_KEY, ev_bits) && !test_bit(EV_REL, ev_bits) && !test_bit(EV_SW, ev_bits)) {
- close(fd);
- continue;
- }
-
- epoll_event ev;
- ev.events = EPOLLIN | EPOLLWAKEUP;
- ev.data.ptr = &ev_fdinfo[ev_count];
- if (epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, fd, &ev) == -1) {
- close(fd);
- epollctlfail = true;
- continue;
- }
-
- ev_fdinfo[ev_count].fd = fd;
- ev_fdinfo[ev_count].cb = input_cb;
- ev_fdinfo[ev_count].data = data;
- ev_count++;
- ev_dev_count++;
- if (ev_dev_count == MAX_DEVICES) break;
- }
+ closedir(dir);
+ }
- closedir(dir);
- }
-
- if (epollctlfail && !ev_count) {
- close(g_epoll_fd);
- g_epoll_fd = -1;
- return -1;
- }
+ if (epollctlfail && !ev_count) {
+ close(g_epoll_fd);
+ g_epoll_fd = -1;
+ return -1;
+ }
- return 0;
+ return 0;
}
int ev_get_epollfd(void) {
return g_epoll_fd;
}
-int ev_add_fd(int fd, ev_callback cb, void* data) {
- if (ev_misc_count == MAX_MISC_FDS || cb == NULL) {
- return -1;
- }
-
- epoll_event ev;
- ev.events = EPOLLIN | EPOLLWAKEUP;
- ev.data.ptr = (void *)&ev_fdinfo[ev_count];
- int ret = epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, fd, &ev);
- if (!ret) {
- ev_fdinfo[ev_count].fd = fd;
- ev_fdinfo[ev_count].cb = cb;
- ev_fdinfo[ev_count].data = data;
- ev_count++;
- ev_misc_count++;
- }
-
- return ret;
+int ev_add_fd(int fd, ev_callback cb) {
+ if (ev_misc_count == MAX_MISC_FDS || cb == NULL) {
+ return -1;
+ }
+
+ epoll_event ev;
+ ev.events = EPOLLIN | EPOLLWAKEUP;
+ ev.data.ptr = static_cast<void*>(&ev_fdinfo[ev_count]);
+ int ret = epoll_ctl(g_epoll_fd, EPOLL_CTL_ADD, fd, &ev);
+ if (!ret) {
+ ev_fdinfo[ev_count].fd = fd;
+ ev_fdinfo[ev_count].cb = std::move(cb);
+ ev_count++;
+ ev_misc_count++;
+ }
+
+ return ret;
}
void ev_exit(void) {
@@ -155,13 +154,13 @@ int ev_wait(int timeout) {
}
void ev_dispatch(void) {
- for (int n = 0; n < npolledevents; n++) {
- fd_info* fdi = reinterpret_cast<fd_info*>(polledevents[n].data.ptr);
- ev_callback cb = fdi->cb;
- if (cb) {
- cb(fdi->fd, polledevents[n].events, fdi->data);
- }
+ for (int n = 0; n < npolledevents; n++) {
+ fd_info* fdi = static_cast<fd_info*>(polledevents[n].data.ptr);
+ const ev_callback& cb = fdi->cb;
+ if (cb) {
+ cb(fdi->fd, polledevents[n].events);
}
+ }
}
int ev_get_input(int fd, uint32_t epevents, input_event* ev) {
@@ -174,37 +173,39 @@ int ev_get_input(int fd, uint32_t epevents, input_event* ev) {
return -1;
}
-int ev_sync_key_state(ev_set_key_callback set_key_cb, void* data) {
- unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)];
- unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)];
+int ev_sync_key_state(const ev_set_key_callback& set_key_cb) {
+ // Use unsigned long to match ioctl's parameter type.
+ unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // NOLINT
+ unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)]; // NOLINT
- for (size_t i = 0; i < ev_dev_count; ++i) {
- memset(ev_bits, 0, sizeof(ev_bits));
- memset(key_bits, 0, sizeof(key_bits));
+ for (size_t i = 0; i < ev_dev_count; ++i) {
+ memset(ev_bits, 0, sizeof(ev_bits));
+ memset(key_bits, 0, sizeof(key_bits));
- if (ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) == -1) {
- continue;
- }
- if (!test_bit(EV_KEY, ev_bits)) {
- continue;
- }
- if (ioctl(ev_fdinfo[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits) == -1) {
- continue;
- }
+ if (ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) == -1) {
+ continue;
+ }
+ if (!test_bit(EV_KEY, ev_bits)) {
+ continue;
+ }
+ if (ioctl(ev_fdinfo[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits) == -1) {
+ continue;
+ }
- for (int code = 0; code <= KEY_MAX; code++) {
- if (test_bit(code, key_bits)) {
- set_key_cb(code, 1, data);
- }
- }
+ for (int code = 0; code <= KEY_MAX; code++) {
+ if (test_bit(code, key_bits)) {
+ set_key_cb(code, 1);
+ }
}
+ }
- return 0;
+ return 0;
}
-void ev_iterate_available_keys(std::function<void(int)> f) {
- unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)];
- unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)];
+void ev_iterate_available_keys(const std::function<void(int)>& f) {
+ // Use unsigned long to match ioctl's parameter type.
+ unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // NOLINT
+ unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)]; // NOLINT
for (size_t i = 0; i < ev_dev_count; ++i) {
memset(ev_bits, 0, sizeof(ev_bits));
diff --git a/minui/graphics.cpp b/minui/graphics.cpp
index ab56a6fd6..3bfce11d8 100644
--- a/minui/graphics.cpp
+++ b/minui/graphics.cpp
@@ -14,29 +14,22 @@
* limitations under the License.
*/
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
+#include "graphics.h"
-#include <fcntl.h>
#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-
-#include <linux/fb.h>
-#include <linux/kd.h>
-
-#include <time.h>
+#include <memory>
#include "font_10x18.h"
-#include "minui.h"
-#include "graphics.h"
+#include "graphics_adf.h"
+#include "graphics_drm.h"
+#include "graphics_fbdev.h"
+#include "minui/minui.h"
static GRFont* gr_font = NULL;
-static minui_backend* gr_backend = NULL;
+static MinuiBackend* gr_backend = nullptr;
static int overscan_percent = OVERSCAN_PERCENT;
static int overscan_offset_x = 0;
@@ -265,7 +258,7 @@ unsigned int gr_get_height(GRSurface* surface) {
}
int gr_init_font(const char* name, GRFont** dest) {
- GRFont* font = reinterpret_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
+ GRFont* font = static_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
if (font == nullptr) {
return -1;
}
@@ -298,15 +291,15 @@ static void gr_init_font(void)
// fall back to the compiled-in font.
- gr_font = reinterpret_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
- gr_font->texture = reinterpret_cast<GRSurface*>(malloc(sizeof(*gr_font->texture)));
+ gr_font = static_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
+ gr_font->texture = static_cast<GRSurface*>(malloc(sizeof(*gr_font->texture)));
gr_font->texture->width = font.width;
gr_font->texture->height = font.height;
gr_font->texture->row_bytes = font.width;
gr_font->texture->pixel_bytes = 1;
- unsigned char* bits = reinterpret_cast<unsigned char*>(malloc(font.width * font.height));
- gr_font->texture->data = reinterpret_cast<unsigned char*>(bits);
+ unsigned char* bits = static_cast<unsigned char*>(malloc(font.width * font.height));
+ gr_font->texture->data = bits;
unsigned char data;
unsigned char* in = font.rundata;
@@ -319,109 +312,53 @@ static void gr_init_font(void)
gr_font->char_height = font.char_height;
}
-#if 0
-// Exercises many of the gr_*() functions; useful for testing.
-static void gr_test() {
- GRSurface** images;
- int frames;
- int result = res_create_multi_surface("icon_installing", &frames, &images);
- if (result < 0) {
- printf("create surface %d\n", result);
- gr_exit();
- return;
- }
-
- time_t start = time(NULL);
- int x;
- for (x = 0; x <= 1200; ++x) {
- if (x < 400) {
- gr_color(0, 0, 0, 255);
- } else {
- gr_color(0, (x-400)%128, 0, 255);
- }
- gr_clear();
-
- gr_color(255, 0, 0, 255);
- GRSurface* frame = images[x%frames];
- gr_blit(frame, 0, 0, frame->width, frame->height, x, 0);
-
- gr_color(255, 0, 0, 128);
- gr_fill(400, 150, 600, 350);
-
- gr_color(255, 255, 255, 255);
- gr_text(500, 225, "hello, world!", 0);
- gr_color(255, 255, 0, 128);
- gr_text(300+x, 275, "pack my box with five dozen liquor jugs", 1);
-
- gr_color(0, 0, 255, 128);
- gr_fill(gr_draw->width - 200 - x, 300, gr_draw->width - x, 500);
-
- gr_draw = gr_backend->flip(gr_backend);
- }
- printf("getting end time\n");
- time_t end = time(NULL);
- printf("got end time\n");
- printf("start %ld end %ld\n", (long)start, (long)end);
- if (end > start) {
- printf("%.2f fps\n", ((double)x) / (end-start));
- }
-}
-#endif
-
void gr_flip() {
- gr_draw = gr_backend->flip(gr_backend);
+ gr_draw = gr_backend->Flip();
}
-int gr_init(void)
-{
- gr_init_font();
+int gr_init() {
+ gr_init_font();
- gr_backend = open_adf();
- if (gr_backend) {
- gr_draw = gr_backend->init(gr_backend);
- if (!gr_draw) {
- gr_backend->exit(gr_backend);
- }
- }
+ auto backend = std::unique_ptr<MinuiBackend>{ std::make_unique<MinuiBackendAdf>() };
+ gr_draw = backend->Init();
- if (!gr_draw) {
- gr_backend = open_drm();
- gr_draw = gr_backend->init(gr_backend);
- }
+ if (!gr_draw) {
+ backend = std::make_unique<MinuiBackendDrm>();
+ gr_draw = backend->Init();
+ }
- if (!gr_draw) {
- gr_backend = open_fbdev();
- gr_draw = gr_backend->init(gr_backend);
- if (gr_draw == NULL) {
- return -1;
- }
- }
+ if (!gr_draw) {
+ backend = std::make_unique<MinuiBackendFbdev>();
+ gr_draw = backend->Init();
+ }
- overscan_offset_x = gr_draw->width * overscan_percent / 100;
- overscan_offset_y = gr_draw->height * overscan_percent / 100;
+ if (!gr_draw) {
+ return -1;
+ }
- gr_flip();
- gr_flip();
+ gr_backend = backend.release();
- return 0;
+ overscan_offset_x = gr_draw->width * overscan_percent / 100;
+ overscan_offset_y = gr_draw->height * overscan_percent / 100;
+
+ gr_flip();
+ gr_flip();
+
+ return 0;
}
-void gr_exit(void)
-{
- gr_backend->exit(gr_backend);
+void gr_exit() {
+ delete gr_backend;
}
-int gr_fb_width(void)
-{
- return gr_draw->width - 2*overscan_offset_x;
+int gr_fb_width() {
+ return gr_draw->width - 2 * overscan_offset_x;
}
-int gr_fb_height(void)
-{
- return gr_draw->height - 2*overscan_offset_y;
+int gr_fb_height() {
+ return gr_draw->height - 2 * overscan_offset_y;
}
-void gr_fb_blank(bool blank)
-{
- gr_backend->blank(gr_backend, blank);
+void gr_fb_blank(bool blank) {
+ gr_backend->Blank(blank);
}
diff --git a/minui/graphics.h b/minui/graphics.h
index 52968eb10..3c45a406b 100644
--- a/minui/graphics.h
+++ b/minui/graphics.h
@@ -17,27 +17,22 @@
#ifndef _GRAPHICS_H_
#define _GRAPHICS_H_
-#include "minui.h"
+#include "minui/minui.h"
-// TODO: lose the function pointers.
-struct minui_backend {
- // Initializes the backend and returns a GRSurface* to draw into.
- GRSurface* (*init)(minui_backend*);
+class MinuiBackend {
+ public:
+ // Initializes the backend and returns a GRSurface* to draw into.
+ virtual GRSurface* Init() = 0;
- // Causes the current drawing surface (returned by the most recent
- // call to flip() or init()) to be displayed, and returns a new
- // drawing surface.
- GRSurface* (*flip)(minui_backend*);
+ // Causes the current drawing surface (returned by the most recent call to Flip() or Init()) to
+ // be displayed, and returns a new drawing surface.
+ virtual GRSurface* Flip() = 0;
- // Blank (or unblank) the screen.
- void (*blank)(minui_backend*, bool);
+ // Blank (or unblank) the screen.
+ virtual void Blank(bool) = 0;
- // Device cleanup when drawing is done.
- void (*exit)(minui_backend*);
+ // Device cleanup when drawing is done.
+ virtual ~MinuiBackend() {};
};
-minui_backend* open_fbdev();
-minui_backend* open_adf();
-minui_backend* open_drm();
-
-#endif
+#endif // _GRAPHICS_H_
diff --git a/minui/graphics_adf.cpp b/minui/graphics_adf.cpp
index 5d0867f58..1b15a04fb 100644
--- a/minui/graphics_adf.cpp
+++ b/minui/graphics_adf.cpp
@@ -14,236 +14,184 @@
* limitations under the License.
*/
+#include "graphics_adf.h"
+
#include <errno.h>
#include <fcntl.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <sys/cdefs.h>
#include <sys/mman.h>
+#include <unistd.h>
#include <adf/adf.h>
+#include <sync/sync.h>
+
+#include "minui/minui.h"
+
+MinuiBackendAdf::MinuiBackendAdf() : intf_fd(-1), dev(), n_surfaces(0), surfaces() {}
+
+int MinuiBackendAdf::SurfaceInit(const drm_mode_modeinfo* mode, GRSurfaceAdf* surf) {
+ *surf = {};
+ surf->fence_fd = -1;
+ surf->fd = adf_interface_simple_buffer_alloc(intf_fd, mode->hdisplay, mode->vdisplay, format,
+ &surf->offset, &surf->pitch);
+ if (surf->fd < 0) {
+ return surf->fd;
+ }
+
+ surf->width = mode->hdisplay;
+ surf->height = mode->vdisplay;
+ surf->row_bytes = surf->pitch;
+ surf->pixel_bytes = (format == DRM_FORMAT_RGB565) ? 2 : 4;
+
+ surf->data = static_cast<uint8_t*>(
+ mmap(nullptr, surf->pitch * surf->height, PROT_WRITE, MAP_SHARED, surf->fd, surf->offset));
+ if (surf->data == MAP_FAILED) {
+ int saved_errno = errno;
+ close(surf->fd);
+ return -saved_errno;
+ }
-#include "graphics.h"
-
-struct adf_surface_pdata {
- GRSurface base;
- int fd;
- __u32 offset;
- __u32 pitch;
-};
-
-struct adf_pdata {
- minui_backend base;
- int intf_fd;
- adf_id_t eng_id;
- __u32 format;
-
- unsigned int current_surface;
- unsigned int n_surfaces;
- adf_surface_pdata surfaces[2];
-};
-
-static GRSurface* adf_flip(minui_backend *backend);
-static void adf_blank(minui_backend *backend, bool blank);
-
-static int adf_surface_init(adf_pdata *pdata, drm_mode_modeinfo *mode, adf_surface_pdata *surf) {
- memset(surf, 0, sizeof(*surf));
-
- surf->fd = adf_interface_simple_buffer_alloc(pdata->intf_fd, mode->hdisplay,
- mode->vdisplay, pdata->format, &surf->offset, &surf->pitch);
- if (surf->fd < 0)
- return surf->fd;
-
- surf->base.width = mode->hdisplay;
- surf->base.height = mode->vdisplay;
- surf->base.row_bytes = surf->pitch;
- surf->base.pixel_bytes = (pdata->format == DRM_FORMAT_RGB565) ? 2 : 4;
-
- surf->base.data = reinterpret_cast<uint8_t*>(mmap(NULL,
- surf->pitch * surf->base.height, PROT_WRITE,
- MAP_SHARED, surf->fd, surf->offset));
- if (surf->base.data == MAP_FAILED) {
- close(surf->fd);
- return -errno;
- }
-
- return 0;
+ return 0;
}
-static int adf_interface_init(adf_pdata *pdata)
-{
- adf_interface_data intf_data;
- int ret = 0;
- int err;
-
- err = adf_get_interface_data(pdata->intf_fd, &intf_data);
- if (err < 0)
- return err;
-
- err = adf_surface_init(pdata, &intf_data.current_mode, &pdata->surfaces[0]);
- if (err < 0) {
- fprintf(stderr, "allocating surface 0 failed: %s\n", strerror(-err));
- ret = err;
- goto done;
- }
-
- err = adf_surface_init(pdata, &intf_data.current_mode,
- &pdata->surfaces[1]);
- if (err < 0) {
- fprintf(stderr, "allocating surface 1 failed: %s\n", strerror(-err));
- memset(&pdata->surfaces[1], 0, sizeof(pdata->surfaces[1]));
- pdata->n_surfaces = 1;
- } else {
- pdata->n_surfaces = 2;
- }
+int MinuiBackendAdf::InterfaceInit() {
+ adf_interface_data intf_data;
+ int err = adf_get_interface_data(intf_fd, &intf_data);
+ if (err < 0) return err;
+
+ int ret = 0;
+ err = SurfaceInit(&intf_data.current_mode, &surfaces[0]);
+ if (err < 0) {
+ fprintf(stderr, "allocating surface 0 failed: %s\n", strerror(-err));
+ ret = err;
+ goto done;
+ }
+
+ err = SurfaceInit(&intf_data.current_mode, &surfaces[1]);
+ if (err < 0) {
+ fprintf(stderr, "allocating surface 1 failed: %s\n", strerror(-err));
+ surfaces[1] = {};
+ n_surfaces = 1;
+ } else {
+ n_surfaces = 2;
+ }
done:
- adf_free_interface_data(&intf_data);
- return ret;
+ adf_free_interface_data(&intf_data);
+ return ret;
}
-static int adf_device_init(adf_pdata *pdata, adf_device *dev)
-{
- adf_id_t intf_id;
- int intf_fd;
- int err;
-
- err = adf_find_simple_post_configuration(dev, &pdata->format, 1, &intf_id,
- &pdata->eng_id);
- if (err < 0)
- return err;
+int MinuiBackendAdf::DeviceInit(adf_device* dev) {
+ adf_id_t intf_id;
+ int err = adf_find_simple_post_configuration(dev, &format, 1, &intf_id, &eng_id);
+ if (err < 0) return err;
- err = adf_device_attach(dev, pdata->eng_id, intf_id);
- if (err < 0 && err != -EALREADY)
- return err;
+ err = adf_device_attach(dev, eng_id, intf_id);
+ if (err < 0 && err != -EALREADY) return err;
- pdata->intf_fd = adf_interface_open(dev, intf_id, O_RDWR);
- if (pdata->intf_fd < 0)
- return pdata->intf_fd;
+ intf_fd = adf_interface_open(dev, intf_id, O_RDWR);
+ if (intf_fd < 0) return intf_fd;
- err = adf_interface_init(pdata);
- if (err < 0) {
- close(pdata->intf_fd);
- pdata->intf_fd = -1;
- }
+ err = InterfaceInit();
+ if (err < 0) {
+ close(intf_fd);
+ intf_fd = -1;
+ }
- return err;
+ return err;
}
-static GRSurface* adf_init(minui_backend *backend)
-{
- adf_pdata *pdata = (adf_pdata *)backend;
- adf_id_t *dev_ids = NULL;
- ssize_t n_dev_ids, i;
- GRSurface* ret;
-
+GRSurface* MinuiBackendAdf::Init() {
#if defined(RECOVERY_ABGR)
- pdata->format = DRM_FORMAT_ABGR8888;
+ format = DRM_FORMAT_ABGR8888;
#elif defined(RECOVERY_BGRA)
- pdata->format = DRM_FORMAT_BGRA8888;
+ format = DRM_FORMAT_BGRA8888;
#elif defined(RECOVERY_RGBX)
- pdata->format = DRM_FORMAT_RGBX8888;
+ format = DRM_FORMAT_RGBX8888;
#else
- pdata->format = DRM_FORMAT_RGB565;
+ format = DRM_FORMAT_RGB565;
#endif
- n_dev_ids = adf_devices(&dev_ids);
- if (n_dev_ids == 0) {
- return NULL;
- } else if (n_dev_ids < 0) {
- fprintf(stderr, "enumerating adf devices failed: %s\n",
- strerror(-n_dev_ids));
- return NULL;
- }
-
- pdata->intf_fd = -1;
-
- for (i = 0; i < n_dev_ids && pdata->intf_fd < 0; i++) {
- adf_device dev;
+ adf_id_t* dev_ids = nullptr;
+ ssize_t n_dev_ids = adf_devices(&dev_ids);
+ if (n_dev_ids == 0) {
+ return nullptr;
+ } else if (n_dev_ids < 0) {
+ fprintf(stderr, "enumerating adf devices failed: %s\n", strerror(-n_dev_ids));
+ return nullptr;
+ }
- int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
- if (err < 0) {
- fprintf(stderr, "opening adf device %u failed: %s\n", dev_ids[i],
- strerror(-err));
- continue;
- }
+ intf_fd = -1;
- err = adf_device_init(pdata, &dev);
- if (err < 0)
- fprintf(stderr, "initializing adf device %u failed: %s\n",
- dev_ids[i], strerror(-err));
+ for (ssize_t i = 0; i < n_dev_ids && intf_fd < 0; i++) {
+ int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
+ if (err < 0) {
+ fprintf(stderr, "opening adf device %u failed: %s\n", dev_ids[i], strerror(-err));
+ continue;
+ }
- adf_device_close(&dev);
+ err = DeviceInit(&dev);
+ if (err < 0) {
+ fprintf(stderr, "initializing adf device %u failed: %s\n", dev_ids[i], strerror(-err));
+ adf_device_close(&dev);
}
+ }
- free(dev_ids);
+ free(dev_ids);
- if (pdata->intf_fd < 0)
- return NULL;
+ if (intf_fd < 0) return nullptr;
- ret = adf_flip(backend);
+ GRSurface* ret = Flip();
- adf_blank(backend, true);
- adf_blank(backend, false);
+ Blank(true);
+ Blank(false);
- return ret;
+ return ret;
}
-static GRSurface* adf_flip(minui_backend *backend)
-{
- adf_pdata *pdata = (adf_pdata *)backend;
- adf_surface_pdata *surf = &pdata->surfaces[pdata->current_surface];
+void MinuiBackendAdf::Sync(GRSurfaceAdf* surf) {
+ static constexpr unsigned int warningTimeout = 3000;
- int fence_fd = adf_interface_simple_post(pdata->intf_fd, pdata->eng_id,
- surf->base.width, surf->base.height, pdata->format, surf->fd,
- surf->offset, surf->pitch, -1);
- if (fence_fd >= 0)
- close(fence_fd);
+ if (surf == nullptr) return;
- pdata->current_surface = (pdata->current_surface + 1) % pdata->n_surfaces;
- return &pdata->surfaces[pdata->current_surface].base;
-}
+ if (surf->fence_fd >= 0) {
+ int err = sync_wait(surf->fence_fd, warningTimeout);
+ if (err < 0) {
+ perror("adf sync fence wait error\n");
+ }
-static void adf_blank(minui_backend *backend, bool blank)
-{
- adf_pdata *pdata = (adf_pdata *)backend;
- adf_interface_blank(pdata->intf_fd,
- blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON);
+ close(surf->fence_fd);
+ surf->fence_fd = -1;
+ }
}
-static void adf_surface_destroy(adf_surface_pdata *surf)
-{
- munmap(surf->base.data, surf->pitch * surf->base.height);
- close(surf->fd);
-}
+GRSurface* MinuiBackendAdf::Flip() {
+ GRSurfaceAdf* surf = &surfaces[current_surface];
-static void adf_exit(minui_backend *backend)
-{
- adf_pdata *pdata = (adf_pdata *)backend;
- unsigned int i;
+ int fence_fd = adf_interface_simple_post(intf_fd, eng_id, surf->width, surf->height, format,
+ surf->fd, surf->offset, surf->pitch, -1);
+ if (fence_fd >= 0) surf->fence_fd = fence_fd;
- for (i = 0; i < pdata->n_surfaces; i++)
- adf_surface_destroy(&pdata->surfaces[i]);
- if (pdata->intf_fd >= 0)
- close(pdata->intf_fd);
- free(pdata);
+ current_surface = (current_surface + 1) % n_surfaces;
+ Sync(&surfaces[current_surface]);
+ return &surfaces[current_surface];
}
-minui_backend *open_adf()
-{
- adf_pdata* pdata = reinterpret_cast<adf_pdata*>(calloc(1, sizeof(*pdata)));
- if (!pdata) {
- perror("allocating adf backend failed");
- return NULL;
- }
+void MinuiBackendAdf::Blank(bool blank) {
+ adf_interface_blank(intf_fd, blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON);
+}
+
+void MinuiBackendAdf::SurfaceDestroy(GRSurfaceAdf* surf) {
+ munmap(surf->data, surf->pitch * surf->height);
+ close(surf->fence_fd);
+ close(surf->fd);
+}
- pdata->base.init = adf_init;
- pdata->base.flip = adf_flip;
- pdata->base.blank = adf_blank;
- pdata->base.exit = adf_exit;
- return &pdata->base;
+MinuiBackendAdf::~MinuiBackendAdf() {
+ adf_device_close(&dev);
+ for (unsigned int i = 0; i < n_surfaces; i++) {
+ SurfaceDestroy(&surfaces[i]);
+ }
+ if (intf_fd >= 0) close(intf_fd);
}
diff --git a/minui/graphics_adf.h b/minui/graphics_adf.h
new file mode 100644
index 000000000..2f019ed0b
--- /dev/null
+++ b/minui/graphics_adf.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef _GRAPHICS_ADF_H_
+#define _GRAPHICS_ADF_H_
+
+#include <adf/adf.h>
+
+#include "graphics.h"
+
+class GRSurfaceAdf : public GRSurface {
+ private:
+ int fence_fd;
+ int fd;
+ __u32 offset;
+ __u32 pitch;
+
+ friend class MinuiBackendAdf;
+};
+
+class MinuiBackendAdf : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendAdf() override;
+ MinuiBackendAdf();
+
+ private:
+ int SurfaceInit(const drm_mode_modeinfo* mode, GRSurfaceAdf* surf);
+ int InterfaceInit();
+ int DeviceInit(adf_device* dev);
+ void SurfaceDestroy(GRSurfaceAdf* surf);
+ void Sync(GRSurfaceAdf* surf);
+
+ int intf_fd;
+ adf_id_t eng_id;
+ __u32 format;
+ adf_device dev;
+ unsigned int current_surface;
+ unsigned int n_surfaces;
+ GRSurfaceAdf surfaces[2];
+};
+
+#endif // _GRAPHICS_ADF_H_
diff --git a/minui/graphics_drm.cpp b/minui/graphics_drm.cpp
index 03e33b775..e7d4b38ef 100644
--- a/minui/graphics_drm.cpp
+++ b/minui/graphics_drm.cpp
@@ -14,463 +14,382 @@
* limitations under the License.
*/
-#include <drm_fourcc.h>
+#include "graphics_drm.h"
+
#include <fcntl.h>
-#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <sys/cdefs.h>
-#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <unistd.h>
+
+#include <drm_fourcc.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
-#include "minui.h"
-#include "graphics.h"
+#include "minui/minui.h"
#define ARRAY_SIZE(A) (sizeof(A)/sizeof(*(A)))
-struct drm_surface {
- GRSurface base;
- uint32_t fb_id;
- uint32_t handle;
-};
-
-static drm_surface *drm_surfaces[2];
-static int current_buffer;
-
-static drmModeCrtc *main_monitor_crtc;
-static drmModeConnector *main_monitor_connector;
-
-static int drm_fd = -1;
-
-static void drm_disable_crtc(int drm_fd, drmModeCrtc *crtc) {
- if (crtc) {
- drmModeSetCrtc(drm_fd, crtc->crtc_id,
- 0, // fb_id
- 0, 0, // x,y
- NULL, // connectors
- 0, // connector_count
- NULL); // mode
- }
+MinuiBackendDrm::MinuiBackendDrm()
+ : GRSurfaceDrms(), main_monitor_crtc(nullptr), main_monitor_connector(nullptr), drm_fd(-1) {}
+
+void MinuiBackendDrm::DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc) {
+ if (crtc) {
+ drmModeSetCrtc(drm_fd, crtc->crtc_id,
+ 0, // fb_id
+ 0, 0, // x,y
+ nullptr, // connectors
+ 0, // connector_count
+ nullptr); // mode
+ }
}
-static void drm_enable_crtc(int drm_fd, drmModeCrtc *crtc,
- struct drm_surface *surface) {
- int32_t ret;
+void MinuiBackendDrm::DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface) {
+ int32_t ret = drmModeSetCrtc(drm_fd, crtc->crtc_id, surface->fb_id, 0, 0, // x,y
+ &main_monitor_connector->connector_id,
+ 1, // connector_count
+ &main_monitor_crtc->mode);
- ret = drmModeSetCrtc(drm_fd, crtc->crtc_id,
- surface->fb_id,
- 0, 0, // x,y
- &main_monitor_connector->connector_id,
- 1, // connector_count
- &main_monitor_crtc->mode);
-
- if (ret)
- printf("drmModeSetCrtc failed ret=%d\n", ret);
+ if (ret) {
+ printf("drmModeSetCrtc failed ret=%d\n", ret);
+ }
}
-static void drm_blank(minui_backend* backend __unused, bool blank) {
- if (blank)
- drm_disable_crtc(drm_fd, main_monitor_crtc);
- else
- drm_enable_crtc(drm_fd, main_monitor_crtc,
- drm_surfaces[current_buffer]);
+void MinuiBackendDrm::Blank(bool blank) {
+ if (blank) {
+ DrmDisableCrtc(drm_fd, main_monitor_crtc);
+ } else {
+ DrmEnableCrtc(drm_fd, main_monitor_crtc, GRSurfaceDrms[current_buffer]);
+ }
}
-static void drm_destroy_surface(struct drm_surface *surface) {
- struct drm_gem_close gem_close;
- int ret;
-
- if(!surface)
- return;
+void MinuiBackendDrm::DrmDestroySurface(GRSurfaceDrm* surface) {
+ if (!surface) return;
- if (surface->base.data)
- munmap(surface->base.data,
- surface->base.row_bytes * surface->base.height);
+ if (surface->data) {
+ munmap(surface->data, surface->row_bytes * surface->height);
+ }
- if (surface->fb_id) {
- ret = drmModeRmFB(drm_fd, surface->fb_id);
- if (ret)
- printf("drmModeRmFB failed ret=%d\n", ret);
+ if (surface->fb_id) {
+ int ret = drmModeRmFB(drm_fd, surface->fb_id);
+ if (ret) {
+ printf("drmModeRmFB failed ret=%d\n", ret);
}
+ }
- if (surface->handle) {
- memset(&gem_close, 0, sizeof(gem_close));
- gem_close.handle = surface->handle;
+ if (surface->handle) {
+ drm_gem_close gem_close = {};
+ gem_close.handle = surface->handle;
- ret = drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
- if (ret)
- printf("DRM_IOCTL_GEM_CLOSE failed ret=%d\n", ret);
+ int ret = drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+ if (ret) {
+ printf("DRM_IOCTL_GEM_CLOSE failed ret=%d\n", ret);
}
+ }
- free(surface);
+ delete surface;
}
static int drm_format_to_bpp(uint32_t format) {
- switch(format) {
- case DRM_FORMAT_ABGR8888:
- case DRM_FORMAT_BGRA8888:
- case DRM_FORMAT_RGBX8888:
- case DRM_FORMAT_BGRX8888:
- case DRM_FORMAT_XBGR8888:
- case DRM_FORMAT_XRGB8888:
- return 32;
- case DRM_FORMAT_RGB565:
- return 16;
- default:
- printf("Unknown format %d\n", format);
- return 32;
- }
+ switch (format) {
+ case DRM_FORMAT_ABGR8888:
+ case DRM_FORMAT_BGRA8888:
+ case DRM_FORMAT_RGBX8888:
+ case DRM_FORMAT_BGRX8888:
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_XRGB8888:
+ return 32;
+ case DRM_FORMAT_RGB565:
+ return 16;
+ default:
+ printf("Unknown format %d\n", format);
+ return 32;
+ }
}
-static drm_surface *drm_create_surface(int width, int height) {
- struct drm_surface *surface;
- struct drm_mode_create_dumb create_dumb;
- uint32_t format;
- int ret;
-
- surface = (struct drm_surface*)calloc(1, sizeof(*surface));
- if (!surface) {
- printf("Can't allocate memory\n");
- return NULL;
- }
+GRSurfaceDrm* MinuiBackendDrm::DrmCreateSurface(int width, int height) {
+ GRSurfaceDrm* surface = new GRSurfaceDrm;
+ *surface = {};
+ uint32_t format;
#if defined(RECOVERY_ABGR)
- format = DRM_FORMAT_RGBA8888;
+ format = DRM_FORMAT_RGBA8888;
#elif defined(RECOVERY_BGRA)
- format = DRM_FORMAT_ARGB8888;
+ format = DRM_FORMAT_ARGB8888;
#elif defined(RECOVERY_RGBX)
- format = DRM_FORMAT_XBGR8888;
+ format = DRM_FORMAT_XBGR8888;
#else
- format = DRM_FORMAT_RGB565;
+ format = DRM_FORMAT_RGB565;
#endif
- memset(&create_dumb, 0, sizeof(create_dumb));
- create_dumb.height = height;
- create_dumb.width = width;
- create_dumb.bpp = drm_format_to_bpp(format);
- create_dumb.flags = 0;
-
- ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
- if (ret) {
- printf("DRM_IOCTL_MODE_CREATE_DUMB failed ret=%d\n",ret);
- drm_destroy_surface(surface);
- return NULL;
- }
- surface->handle = create_dumb.handle;
-
- uint32_t handles[4], pitches[4], offsets[4];
-
- handles[0] = surface->handle;
- pitches[0] = create_dumb.pitch;
- offsets[0] = 0;
-
- ret = drmModeAddFB2(drm_fd, width, height,
- format, handles, pitches, offsets,
- &(surface->fb_id), 0);
- if (ret) {
- printf("drmModeAddFB2 failed ret=%d\n", ret);
- drm_destroy_surface(surface);
- return NULL;
- }
-
- struct drm_mode_map_dumb map_dumb;
- memset(&map_dumb, 0, sizeof(map_dumb));
- map_dumb.handle = create_dumb.handle;
- ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &map_dumb);
- if (ret) {
- printf("DRM_IOCTL_MODE_MAP_DUMB failed ret=%d\n",ret);
- drm_destroy_surface(surface);
- return NULL;;
- }
-
- surface->base.height = height;
- surface->base.width = width;
- surface->base.row_bytes = create_dumb.pitch;
- surface->base.pixel_bytes = create_dumb.bpp / 8;
- surface->base.data = (unsigned char*)
- mmap(NULL,
- surface->base.height * surface->base.row_bytes,
- PROT_READ | PROT_WRITE, MAP_SHARED,
- drm_fd, map_dumb.offset);
- if (surface->base.data == MAP_FAILED) {
- perror("mmap() failed");
- drm_destroy_surface(surface);
- return NULL;
- }
-
- return surface;
+ drm_mode_create_dumb create_dumb = {};
+ create_dumb.height = height;
+ create_dumb.width = width;
+ create_dumb.bpp = drm_format_to_bpp(format);
+ create_dumb.flags = 0;
+
+ int ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
+ if (ret) {
+ printf("DRM_IOCTL_MODE_CREATE_DUMB failed ret=%d\n", ret);
+ DrmDestroySurface(surface);
+ return nullptr;
+ }
+ surface->handle = create_dumb.handle;
+
+ uint32_t handles[4], pitches[4], offsets[4];
+
+ handles[0] = surface->handle;
+ pitches[0] = create_dumb.pitch;
+ offsets[0] = 0;
+
+ ret =
+ drmModeAddFB2(drm_fd, width, height, format, handles, pitches, offsets, &(surface->fb_id), 0);
+ if (ret) {
+ printf("drmModeAddFB2 failed ret=%d\n", ret);
+ DrmDestroySurface(surface);
+ return nullptr;
+ }
+
+ drm_mode_map_dumb map_dumb = {};
+ map_dumb.handle = create_dumb.handle;
+ ret = drmIoctl(drm_fd, DRM_IOCTL_MODE_MAP_DUMB, &map_dumb);
+ if (ret) {
+ printf("DRM_IOCTL_MODE_MAP_DUMB failed ret=%d\n", ret);
+ DrmDestroySurface(surface);
+ return nullptr;
+ }
+
+ surface->height = height;
+ surface->width = width;
+ surface->row_bytes = create_dumb.pitch;
+ surface->pixel_bytes = create_dumb.bpp / 8;
+ surface->data = static_cast<unsigned char*>(mmap(nullptr, surface->height * surface->row_bytes,
+ PROT_READ | PROT_WRITE, MAP_SHARED, drm_fd,
+ map_dumb.offset));
+ if (surface->data == MAP_FAILED) {
+ perror("mmap() failed");
+ DrmDestroySurface(surface);
+ return nullptr;
+ }
+
+ return surface;
}
-static drmModeCrtc *find_crtc_for_connector(int fd,
- drmModeRes *resources,
- drmModeConnector *connector) {
- int i, j;
- drmModeEncoder *encoder;
- int32_t crtc;
-
- /*
- * Find the encoder. If we already have one, just use it.
- */
- if (connector->encoder_id)
- encoder = drmModeGetEncoder(fd, connector->encoder_id);
- else
- encoder = NULL;
-
- if (encoder && encoder->crtc_id) {
- crtc = encoder->crtc_id;
+static drmModeCrtc* find_crtc_for_connector(int fd, drmModeRes* resources,
+ drmModeConnector* connector) {
+ // Find the encoder. If we already have one, just use it.
+ drmModeEncoder* encoder;
+ if (connector->encoder_id) {
+ encoder = drmModeGetEncoder(fd, connector->encoder_id);
+ } else {
+ encoder = nullptr;
+ }
+
+ int32_t crtc;
+ if (encoder && encoder->crtc_id) {
+ crtc = encoder->crtc_id;
+ drmModeFreeEncoder(encoder);
+ return drmModeGetCrtc(fd, crtc);
+ }
+
+ // Didn't find anything, try to find a crtc and encoder combo.
+ crtc = -1;
+ for (int i = 0; i < connector->count_encoders; i++) {
+ encoder = drmModeGetEncoder(fd, connector->encoders[i]);
+
+ if (encoder) {
+ for (int j = 0; j < resources->count_crtcs; j++) {
+ if (!(encoder->possible_crtcs & (1 << j))) continue;
+ crtc = resources->crtcs[j];
+ break;
+ }
+ if (crtc >= 0) {
drmModeFreeEncoder(encoder);
return drmModeGetCrtc(fd, crtc);
+ }
}
+ }
- /*
- * Didn't find anything, try to find a crtc and encoder combo.
- */
- crtc = -1;
- for (i = 0; i < connector->count_encoders; i++) {
- encoder = drmModeGetEncoder(fd, connector->encoders[i]);
-
- if (encoder) {
- for (j = 0; j < resources->count_crtcs; j++) {
- if (!(encoder->possible_crtcs & (1 << j)))
- continue;
- crtc = resources->crtcs[j];
- break;
- }
- if (crtc >= 0) {
- drmModeFreeEncoder(encoder);
- return drmModeGetCrtc(fd, crtc);
- }
- }
- }
-
- return NULL;
+ return nullptr;
}
-static drmModeConnector *find_used_connector_by_type(int fd,
- drmModeRes *resources,
- unsigned type) {
- int i;
- for (i = 0; i < resources->count_connectors; i++) {
- drmModeConnector *connector;
-
- connector = drmModeGetConnector(fd, resources->connectors[i]);
- if (connector) {
- if ((connector->connector_type == type) &&
- (connector->connection == DRM_MODE_CONNECTED) &&
- (connector->count_modes > 0))
- return connector;
-
- drmModeFreeConnector(connector);
- }
+static drmModeConnector* find_used_connector_by_type(int fd, drmModeRes* resources, unsigned type) {
+ for (int i = 0; i < resources->count_connectors; i++) {
+ drmModeConnector* connector = drmModeGetConnector(fd, resources->connectors[i]);
+ if (connector) {
+ if ((connector->connector_type == type) && (connector->connection == DRM_MODE_CONNECTED) &&
+ (connector->count_modes > 0)) {
+ return connector;
+ }
+ drmModeFreeConnector(connector);
}
- return NULL;
+ }
+ return nullptr;
}
-static drmModeConnector *find_first_connected_connector(int fd,
- drmModeRes *resources) {
- int i;
- for (i = 0; i < resources->count_connectors; i++) {
- drmModeConnector *connector;
+static drmModeConnector* find_first_connected_connector(int fd, drmModeRes* resources) {
+ for (int i = 0; i < resources->count_connectors; i++) {
+ drmModeConnector* connector;
- connector = drmModeGetConnector(fd, resources->connectors[i]);
- if (connector) {
- if ((connector->count_modes > 0) &&
- (connector->connection == DRM_MODE_CONNECTED))
- return connector;
+ connector = drmModeGetConnector(fd, resources->connectors[i]);
+ if (connector) {
+ if ((connector->count_modes > 0) && (connector->connection == DRM_MODE_CONNECTED))
+ return connector;
- drmModeFreeConnector(connector);
- }
+ drmModeFreeConnector(connector);
}
- return NULL;
+ }
+ return nullptr;
}
-static drmModeConnector *find_main_monitor(int fd, drmModeRes *resources,
- uint32_t *mode_index) {
- unsigned i = 0;
- int modes;
- /* Look for LVDS/eDP/DSI connectors. Those are the main screens. */
- unsigned kConnectorPriority[] = {
- DRM_MODE_CONNECTOR_LVDS,
- DRM_MODE_CONNECTOR_eDP,
- DRM_MODE_CONNECTOR_DSI,
- };
-
- drmModeConnector *main_monitor_connector = NULL;
- do {
- main_monitor_connector = find_used_connector_by_type(fd,
- resources,
- kConnectorPriority[i]);
- i++;
- } while (!main_monitor_connector && i < ARRAY_SIZE(kConnectorPriority));
-
- /* If we didn't find a connector, grab the first one that is connected. */
- if (!main_monitor_connector)
- main_monitor_connector =
- find_first_connected_connector(fd, resources);
-
- /* If we still didn't find a connector, give up and return. */
- if (!main_monitor_connector)
- return NULL;
-
- *mode_index = 0;
- for (modes = 0; modes < main_monitor_connector->count_modes; modes++) {
- if (main_monitor_connector->modes[modes].type &
- DRM_MODE_TYPE_PREFERRED) {
- *mode_index = modes;
- break;
- }
+drmModeConnector* MinuiBackendDrm::FindMainMonitor(int fd, drmModeRes* resources,
+ uint32_t* mode_index) {
+ /* Look for LVDS/eDP/DSI connectors. Those are the main screens. */
+ static constexpr unsigned kConnectorPriority[] = {
+ DRM_MODE_CONNECTOR_LVDS,
+ DRM_MODE_CONNECTOR_eDP,
+ DRM_MODE_CONNECTOR_DSI,
+ };
+
+ drmModeConnector* main_monitor_connector = nullptr;
+ unsigned i = 0;
+ do {
+ main_monitor_connector = find_used_connector_by_type(fd, resources, kConnectorPriority[i]);
+ i++;
+ } while (!main_monitor_connector && i < ARRAY_SIZE(kConnectorPriority));
+
+ /* If we didn't find a connector, grab the first one that is connected. */
+ if (!main_monitor_connector) {
+ main_monitor_connector = find_first_connected_connector(fd, resources);
+ }
+
+ /* If we still didn't find a connector, give up and return. */
+ if (!main_monitor_connector) return nullptr;
+
+ *mode_index = 0;
+ for (int modes = 0; modes < main_monitor_connector->count_modes; modes++) {
+ if (main_monitor_connector->modes[modes].type & DRM_MODE_TYPE_PREFERRED) {
+ *mode_index = modes;
+ break;
}
+ }
- return main_monitor_connector;
+ return main_monitor_connector;
}
-static void disable_non_main_crtcs(int fd,
- drmModeRes *resources,
- drmModeCrtc* main_crtc) {
- int i;
- drmModeCrtc* crtc;
-
- for (i = 0; i < resources->count_connectors; i++) {
- drmModeConnector *connector;
-
- connector = drmModeGetConnector(fd, resources->connectors[i]);
- crtc = find_crtc_for_connector(fd, resources, connector);
- if (crtc->crtc_id != main_crtc->crtc_id)
- drm_disable_crtc(fd, crtc);
- drmModeFreeCrtc(crtc);
+void MinuiBackendDrm::DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc) {
+ for (int i = 0; i < resources->count_connectors; i++) {
+ drmModeConnector* connector = drmModeGetConnector(fd, resources->connectors[i]);
+ drmModeCrtc* crtc = find_crtc_for_connector(fd, resources, connector);
+ if (crtc->crtc_id != main_crtc->crtc_id) {
+ DrmDisableCrtc(fd, crtc);
}
+ drmModeFreeCrtc(crtc);
+ }
}
-static GRSurface* drm_init(minui_backend* backend __unused) {
- drmModeRes *res = NULL;
- uint32_t selected_mode;
- char *dev_name;
- int width, height;
- int ret, i;
-
- /* Consider DRM devices in order. */
- for (i = 0; i < DRM_MAX_MINOR; i++) {
- uint64_t cap = 0;
-
- ret = asprintf(&dev_name, DRM_DEV_NAME, DRM_DIR_NAME, i);
- if (ret < 0)
- continue;
-
- drm_fd = open(dev_name, O_RDWR, 0);
- free(dev_name);
- if (drm_fd < 0)
- continue;
-
- /* We need dumb buffers. */
- ret = drmGetCap(drm_fd, DRM_CAP_DUMB_BUFFER, &cap);
- if (ret || cap == 0) {
- close(drm_fd);
- continue;
- }
-
- res = drmModeGetResources(drm_fd);
- if (!res) {
- close(drm_fd);
- continue;
- }
-
- /* Use this device if it has at least one connected monitor. */
- if (res->count_crtcs > 0 && res->count_connectors > 0)
- if (find_first_connected_connector(drm_fd, res))
- break;
-
- drmModeFreeResources(res);
- close(drm_fd);
- res = NULL;
+GRSurface* MinuiBackendDrm::Init() {
+ drmModeRes* res = nullptr;
+
+ /* Consider DRM devices in order. */
+ for (int i = 0; i < DRM_MAX_MINOR; i++) {
+ char* dev_name;
+ int ret = asprintf(&dev_name, DRM_DEV_NAME, DRM_DIR_NAME, i);
+ if (ret < 0) continue;
+
+ drm_fd = open(dev_name, O_RDWR, 0);
+ free(dev_name);
+ if (drm_fd < 0) continue;
+
+ uint64_t cap = 0;
+ /* We need dumb buffers. */
+ ret = drmGetCap(drm_fd, DRM_CAP_DUMB_BUFFER, &cap);
+ if (ret || cap == 0) {
+ close(drm_fd);
+ continue;
}
- if (drm_fd < 0 || res == NULL) {
- perror("cannot find/open a drm device");
- return NULL;
+ res = drmModeGetResources(drm_fd);
+ if (!res) {
+ close(drm_fd);
+ continue;
}
- main_monitor_connector = find_main_monitor(drm_fd,
- res, &selected_mode);
-
- if (!main_monitor_connector) {
- printf("main_monitor_connector not found\n");
- drmModeFreeResources(res);
- close(drm_fd);
- return NULL;
+ /* Use this device if it has at least one connected monitor. */
+ if (res->count_crtcs > 0 && res->count_connectors > 0) {
+ if (find_first_connected_connector(drm_fd, res)) break;
}
- main_monitor_crtc = find_crtc_for_connector(drm_fd, res,
- main_monitor_connector);
+ drmModeFreeResources(res);
+ close(drm_fd);
+ res = nullptr;
+ }
- if (!main_monitor_crtc) {
- printf("main_monitor_crtc not found\n");
- drmModeFreeResources(res);
- close(drm_fd);
- return NULL;
- }
+ if (drm_fd < 0 || res == nullptr) {
+ perror("cannot find/open a drm device");
+ return nullptr;
+ }
- disable_non_main_crtcs(drm_fd,
- res, main_monitor_crtc);
+ uint32_t selected_mode;
+ main_monitor_connector = FindMainMonitor(drm_fd, res, &selected_mode);
- main_monitor_crtc->mode = main_monitor_connector->modes[selected_mode];
+ if (!main_monitor_connector) {
+ printf("main_monitor_connector not found\n");
+ drmModeFreeResources(res);
+ close(drm_fd);
+ return nullptr;
+ }
- width = main_monitor_crtc->mode.hdisplay;
- height = main_monitor_crtc->mode.vdisplay;
+ main_monitor_crtc = find_crtc_for_connector(drm_fd, res, main_monitor_connector);
+ if (!main_monitor_crtc) {
+ printf("main_monitor_crtc not found\n");
drmModeFreeResources(res);
+ close(drm_fd);
+ return nullptr;
+ }
- drm_surfaces[0] = drm_create_surface(width, height);
- drm_surfaces[1] = drm_create_surface(width, height);
- if (!drm_surfaces[0] || !drm_surfaces[1]) {
- drm_destroy_surface(drm_surfaces[0]);
- drm_destroy_surface(drm_surfaces[1]);
- drmModeFreeResources(res);
- close(drm_fd);
- return NULL;
- }
+ DisableNonMainCrtcs(drm_fd, res, main_monitor_crtc);
- current_buffer = 0;
+ main_monitor_crtc->mode = main_monitor_connector->modes[selected_mode];
- drm_enable_crtc(drm_fd, main_monitor_crtc, drm_surfaces[1]);
+ int width = main_monitor_crtc->mode.hdisplay;
+ int height = main_monitor_crtc->mode.vdisplay;
- return &(drm_surfaces[0]->base);
-}
+ drmModeFreeResources(res);
-static GRSurface* drm_flip(minui_backend* backend __unused) {
- int ret;
+ GRSurfaceDrms[0] = DrmCreateSurface(width, height);
+ GRSurfaceDrms[1] = DrmCreateSurface(width, height);
+ if (!GRSurfaceDrms[0] || !GRSurfaceDrms[1]) {
+ // GRSurfaceDrms and drm_fd should be freed in d'tor.
+ return nullptr;
+ }
- ret = drmModePageFlip(drm_fd, main_monitor_crtc->crtc_id,
- drm_surfaces[current_buffer]->fb_id, 0, NULL);
- if (ret < 0) {
- printf("drmModePageFlip failed ret=%d\n", ret);
- return NULL;
- }
- current_buffer = 1 - current_buffer;
- return &(drm_surfaces[current_buffer]->base);
-}
+ current_buffer = 0;
-static void drm_exit(minui_backend* backend __unused) {
- drm_disable_crtc(drm_fd, main_monitor_crtc);
- drm_destroy_surface(drm_surfaces[0]);
- drm_destroy_surface(drm_surfaces[1]);
- drmModeFreeCrtc(main_monitor_crtc);
- drmModeFreeConnector(main_monitor_connector);
- close(drm_fd);
- drm_fd = -1;
+ DrmEnableCrtc(drm_fd, main_monitor_crtc, GRSurfaceDrms[1]);
+
+ return GRSurfaceDrms[0];
}
-static minui_backend drm_backend = {
- .init = drm_init,
- .flip = drm_flip,
- .blank = drm_blank,
- .exit = drm_exit,
-};
+GRSurface* MinuiBackendDrm::Flip() {
+ int ret = drmModePageFlip(drm_fd, main_monitor_crtc->crtc_id,
+ GRSurfaceDrms[current_buffer]->fb_id, 0, nullptr);
+ if (ret < 0) {
+ printf("drmModePageFlip failed ret=%d\n", ret);
+ return nullptr;
+ }
+ current_buffer = 1 - current_buffer;
+ return GRSurfaceDrms[current_buffer];
+}
-minui_backend* open_drm() {
- return &drm_backend;
+MinuiBackendDrm::~MinuiBackendDrm() {
+ DrmDisableCrtc(drm_fd, main_monitor_crtc);
+ DrmDestroySurface(GRSurfaceDrms[0]);
+ DrmDestroySurface(GRSurfaceDrms[1]);
+ drmModeFreeCrtc(main_monitor_crtc);
+ drmModeFreeConnector(main_monitor_connector);
+ close(drm_fd);
+ drm_fd = -1;
}
diff --git a/minui/graphics_drm.h b/minui/graphics_drm.h
new file mode 100644
index 000000000..de9621205
--- /dev/null
+++ b/minui/graphics_drm.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef _GRAPHICS_DRM_H_
+#define _GRAPHICS_DRM_H_
+
+#include <stdint.h>
+
+#include <xf86drmMode.h>
+
+#include "graphics.h"
+#include "minui/minui.h"
+
+class GRSurfaceDrm : public GRSurface {
+ private:
+ uint32_t fb_id;
+ uint32_t handle;
+
+ friend class MinuiBackendDrm;
+};
+
+class MinuiBackendDrm : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendDrm() override;
+ MinuiBackendDrm();
+
+ private:
+ void DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc);
+ void DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface);
+ GRSurfaceDrm* DrmCreateSurface(int width, int height);
+ void DrmDestroySurface(GRSurfaceDrm* surface);
+ void DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc);
+ drmModeConnector* FindMainMonitor(int fd, drmModeRes* resources, uint32_t* mode_index);
+
+ GRSurfaceDrm* GRSurfaceDrms[2];
+ int current_buffer;
+ drmModeCrtc* main_monitor_crtc;
+ drmModeConnector* main_monitor_connector;
+ int drm_fd;
+};
+
+#endif // _GRAPHICS_DRM_H_
diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp
index 0788f7552..746f42aaa 100644
--- a/minui/graphics_fbdev.cpp
+++ b/minui/graphics_fbdev.cpp
@@ -14,188 +14,154 @@
* limitations under the License.
*/
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
+#include "graphics_fbdev.h"
#include <fcntl.h>
+#include <linux/fb.h>
#include <stdio.h>
-
-#include <sys/cdefs.h>
+#include <stdlib.h>
+#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/types.h>
+#include <unistd.h>
-#include <linux/fb.h>
-#include <linux/kd.h>
-
-#include "minui.h"
-#include "graphics.h"
-
-static GRSurface* fbdev_init(minui_backend*);
-static GRSurface* fbdev_flip(minui_backend*);
-static void fbdev_blank(minui_backend*, bool);
-static void fbdev_exit(minui_backend*);
-
-static GRSurface gr_framebuffer[2];
-static bool double_buffered;
-static GRSurface* gr_draw = NULL;
-static int displayed_buffer;
-
-static fb_var_screeninfo vi;
-static int fb_fd = -1;
-
-static minui_backend my_backend = {
- .init = fbdev_init,
- .flip = fbdev_flip,
- .blank = fbdev_blank,
- .exit = fbdev_exit,
-};
-
-minui_backend* open_fbdev() {
- return &my_backend;
-}
+#include "minui/minui.h"
-static void fbdev_blank(minui_backend* backend __unused, bool blank)
-{
- int ret;
+MinuiBackendFbdev::MinuiBackendFbdev() : gr_draw(nullptr), fb_fd(-1) {}
- ret = ioctl(fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
- if (ret < 0)
- perror("ioctl(): blank");
+void MinuiBackendFbdev::Blank(bool blank) {
+ int ret = ioctl(fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
+ if (ret < 0) perror("ioctl(): blank");
}
-static void set_displayed_framebuffer(unsigned n)
-{
- if (n > 1 || !double_buffered) return;
+void MinuiBackendFbdev::SetDisplayedFramebuffer(unsigned n) {
+ if (n > 1 || !double_buffered) return;
- vi.yres_virtual = gr_framebuffer[0].height * 2;
- vi.yoffset = n * gr_framebuffer[0].height;
- vi.bits_per_pixel = gr_framebuffer[0].pixel_bytes * 8;
- if (ioctl(fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
- perror("active fb swap failed");
- }
- displayed_buffer = n;
+ vi.yres_virtual = gr_framebuffer[0].height * 2;
+ vi.yoffset = n * gr_framebuffer[0].height;
+ vi.bits_per_pixel = gr_framebuffer[0].pixel_bytes * 8;
+ if (ioctl(fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
+ perror("active fb swap failed");
+ }
+ displayed_buffer = n;
}
-static GRSurface* fbdev_init(minui_backend* backend) {
- int fd = open("/dev/graphics/fb0", O_RDWR);
- if (fd == -1) {
- perror("cannot open fb0");
- return NULL;
+GRSurface* MinuiBackendFbdev::Init() {
+ int fd = open("/dev/graphics/fb0", O_RDWR);
+ if (fd == -1) {
+ perror("cannot open fb0");
+ return nullptr;
+ }
+
+ fb_fix_screeninfo fi;
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+ perror("failed to get fb0 info");
+ close(fd);
+ return nullptr;
+ }
+
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
+ perror("failed to get fb0 info");
+ close(fd);
+ return nullptr;
+ }
+
+ // We print this out for informational purposes only, but
+ // throughout we assume that the framebuffer device uses an RGBX
+ // pixel format. This is the case for every development device I
+ // have access to. For some of those devices (eg, hammerhead aka
+ // Nexus 5), FBIOGET_VSCREENINFO *reports* that it wants a
+ // different format (XBGR) but actually produces the correct
+ // results on the display when you write RGBX.
+ //
+ // If you have a device that actually *needs* another pixel format
+ // (ie, BGRX, or 565), patches welcome...
+
+ printf(
+ "fb0 reports (possibly inaccurate):\n"
+ " vi.bits_per_pixel = %d\n"
+ " vi.red.offset = %3d .length = %3d\n"
+ " vi.green.offset = %3d .length = %3d\n"
+ " vi.blue.offset = %3d .length = %3d\n",
+ vi.bits_per_pixel, vi.red.offset, vi.red.length, vi.green.offset, vi.green.length,
+ vi.blue.offset, vi.blue.length);
+
+ void* bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ if (bits == MAP_FAILED) {
+ perror("failed to mmap framebuffer");
+ close(fd);
+ return nullptr;
+ }
+
+ memset(bits, 0, fi.smem_len);
+
+ gr_framebuffer[0].width = vi.xres;
+ gr_framebuffer[0].height = vi.yres;
+ gr_framebuffer[0].row_bytes = fi.line_length;
+ gr_framebuffer[0].pixel_bytes = vi.bits_per_pixel / 8;
+ gr_framebuffer[0].data = static_cast<uint8_t*>(bits);
+ memset(gr_framebuffer[0].data, 0, gr_framebuffer[0].height * gr_framebuffer[0].row_bytes);
+
+ /* check if we can use double buffering */
+ if (vi.yres * fi.line_length * 2 <= fi.smem_len) {
+ double_buffered = true;
+
+ memcpy(gr_framebuffer + 1, gr_framebuffer, sizeof(GRSurface));
+ gr_framebuffer[1].data =
+ gr_framebuffer[0].data + gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
+
+ gr_draw = gr_framebuffer + 1;
+
+ } else {
+ double_buffered = false;
+
+ // Without double-buffering, we allocate RAM for a buffer to
+ // draw in, and then "flipping" the buffer consists of a
+ // memcpy from the buffer we allocated to the framebuffer.
+
+ gr_draw = static_cast<GRSurface*>(malloc(sizeof(GRSurface)));
+ memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));
+ gr_draw->data = static_cast<unsigned char*>(malloc(gr_draw->height * gr_draw->row_bytes));
+ if (!gr_draw->data) {
+ perror("failed to allocate in-memory surface");
+ return nullptr;
}
+ }
- fb_fix_screeninfo fi;
- if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
- perror("failed to get fb0 info");
- close(fd);
- return NULL;
- }
-
- if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
- perror("failed to get fb0 info");
- close(fd);
- return NULL;
- }
-
- // We print this out for informational purposes only, but
- // throughout we assume that the framebuffer device uses an RGBX
- // pixel format. This is the case for every development device I
- // have access to. For some of those devices (eg, hammerhead aka
- // Nexus 5), FBIOGET_VSCREENINFO *reports* that it wants a
- // different format (XBGR) but actually produces the correct
- // results on the display when you write RGBX.
- //
- // If you have a device that actually *needs* another pixel format
- // (ie, BGRX, or 565), patches welcome...
-
- printf("fb0 reports (possibly inaccurate):\n"
- " vi.bits_per_pixel = %d\n"
- " vi.red.offset = %3d .length = %3d\n"
- " vi.green.offset = %3d .length = %3d\n"
- " vi.blue.offset = %3d .length = %3d\n",
- vi.bits_per_pixel,
- vi.red.offset, vi.red.length,
- vi.green.offset, vi.green.length,
- vi.blue.offset, vi.blue.length);
-
- void* bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (bits == MAP_FAILED) {
- perror("failed to mmap framebuffer");
- close(fd);
- return NULL;
- }
-
- memset(bits, 0, fi.smem_len);
-
- gr_framebuffer[0].width = vi.xres;
- gr_framebuffer[0].height = vi.yres;
- gr_framebuffer[0].row_bytes = fi.line_length;
- gr_framebuffer[0].pixel_bytes = vi.bits_per_pixel / 8;
- gr_framebuffer[0].data = reinterpret_cast<uint8_t*>(bits);
- memset(gr_framebuffer[0].data, 0, gr_framebuffer[0].height * gr_framebuffer[0].row_bytes);
-
- /* check if we can use double buffering */
- if (vi.yres * fi.line_length * 2 <= fi.smem_len) {
- double_buffered = true;
-
- memcpy(gr_framebuffer+1, gr_framebuffer, sizeof(GRSurface));
- gr_framebuffer[1].data = gr_framebuffer[0].data +
- gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
+ memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);
+ fb_fd = fd;
+ SetDisplayedFramebuffer(0);
- gr_draw = gr_framebuffer+1;
+ printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);
- } else {
- double_buffered = false;
+ Blank(true);
+ Blank(false);
- // Without double-buffering, we allocate RAM for a buffer to
- // draw in, and then "flipping" the buffer consists of a
- // memcpy from the buffer we allocated to the framebuffer.
-
- gr_draw = (GRSurface*) malloc(sizeof(GRSurface));
- memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));
- gr_draw->data = (unsigned char*) malloc(gr_draw->height * gr_draw->row_bytes);
- if (!gr_draw->data) {
- perror("failed to allocate in-memory surface");
- return NULL;
- }
- }
-
- memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);
- fb_fd = fd;
- set_displayed_framebuffer(0);
-
- printf("framebuffer: %d (%d x %d)\n", fb_fd, gr_draw->width, gr_draw->height);
-
- fbdev_blank(backend, true);
- fbdev_blank(backend, false);
-
- return gr_draw;
+ return gr_draw;
}
-static GRSurface* fbdev_flip(minui_backend* backend __unused) {
- if (double_buffered) {
- // Change gr_draw to point to the buffer currently displayed,
- // then flip the driver so we're displaying the other buffer
- // instead.
- gr_draw = gr_framebuffer + displayed_buffer;
- set_displayed_framebuffer(1-displayed_buffer);
- } else {
- // Copy from the in-memory surface to the framebuffer.
- memcpy(gr_framebuffer[0].data, gr_draw->data,
- gr_draw->height * gr_draw->row_bytes);
- }
- return gr_draw;
+GRSurface* MinuiBackendFbdev::Flip() {
+ if (double_buffered) {
+ // Change gr_draw to point to the buffer currently displayed,
+ // then flip the driver so we're displaying the other buffer
+ // instead.
+ gr_draw = gr_framebuffer + displayed_buffer;
+ SetDisplayedFramebuffer(1 - displayed_buffer);
+ } else {
+ // Copy from the in-memory surface to the framebuffer.
+ memcpy(gr_framebuffer[0].data, gr_draw->data, gr_draw->height * gr_draw->row_bytes);
+ }
+ return gr_draw;
}
-static void fbdev_exit(minui_backend* backend __unused) {
- close(fb_fd);
- fb_fd = -1;
+MinuiBackendFbdev::~MinuiBackendFbdev() {
+ close(fb_fd);
+ fb_fd = -1;
- if (!double_buffered && gr_draw) {
- free(gr_draw->data);
- free(gr_draw);
- }
- gr_draw = NULL;
+ if (!double_buffered && gr_draw) {
+ free(gr_draw->data);
+ free(gr_draw);
+ }
+ gr_draw = nullptr;
}
diff --git a/minui/graphics_fbdev.h b/minui/graphics_fbdev.h
new file mode 100644
index 000000000..107e19567
--- /dev/null
+++ b/minui/graphics_fbdev.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef _GRAPHICS_FBDEV_H_
+#define _GRAPHICS_FBDEV_H_
+
+#include <linux/fb.h>
+
+#include "graphics.h"
+#include "minui/minui.h"
+
+class MinuiBackendFbdev : public MinuiBackend {
+ public:
+ GRSurface* Init() override;
+ GRSurface* Flip() override;
+ void Blank(bool) override;
+ ~MinuiBackendFbdev() override;
+ MinuiBackendFbdev();
+
+ private:
+ void SetDisplayedFramebuffer(unsigned n);
+
+ GRSurface gr_framebuffer[2];
+ bool double_buffered;
+ GRSurface* gr_draw;
+ int displayed_buffer;
+ fb_var_screeninfo vi;
+ int fb_fd;
+};
+
+#endif // _GRAPHICS_FBDEV_H_
diff --git a/minui/minui.h b/minui/include/minui/minui.h
index d30426dc8..78dd4cb98 100644
--- a/minui/minui.h
+++ b/minui/include/minui/minui.h
@@ -20,6 +20,7 @@
#include <sys/types.h>
#include <functional>
+#include <string>
//
// Graphics.
@@ -70,15 +71,14 @@ unsigned int gr_get_height(GRSurface* surface);
struct input_event;
-// TODO: move these over to std::function.
-typedef int (*ev_callback)(int fd, uint32_t epevents, void* data);
-typedef int (*ev_set_key_callback)(int code, int value, void* data);
+using ev_callback = std::function<int(int fd, uint32_t epevents)>;
+using ev_set_key_callback = std::function<int(int code, int value)>;
-int ev_init(ev_callback input_cb, void* data);
+int ev_init(ev_callback input_cb);
void ev_exit();
-int ev_add_fd(int fd, ev_callback cb, void* data);
-void ev_iterate_available_keys(std::function<void(int)> f);
-int ev_sync_key_state(ev_set_key_callback set_key_cb, void* data);
+int ev_add_fd(int fd, ev_callback cb);
+void ev_iterate_available_keys(const std::function<void(int)>& f);
+int ev_sync_key_state(const ev_set_key_callback& set_key_cb);
// 'timeout' has the same semantics as poll(2).
// 0 : don't block
@@ -94,7 +94,7 @@ int ev_get_epollfd();
// Resources
//
-bool matches_locale(const char* prefix, const char* locale);
+bool matches_locale(const std::string& prefix, const std::string& locale);
// res_create_*_surface() functions return 0 if no error, else
// negative.
@@ -123,8 +123,8 @@ int res_create_alpha_surface(const char* name, GRSurface** pSurface);
// given locale. The image is expected to be a composite of multiple
// translations of the same text, with special added rows that encode
// the subimages' size and intended locale in the pixel data. See
-// development/tools/recovery_l10n for an app that will generate these
-// specialized images from Android resources.
+// bootable/recovery/tools/recovery_l10n for an app that will generate
+// these specialized images from Android resources.
int res_create_localized_alpha_surface(const char* name, const char* locale,
GRSurface** pSurface);
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 40d3c2c88..86c731b02 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -14,29 +14,31 @@
* limitations under the License.
*/
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
#include <fcntl.h>
+#include <linux/fb.h>
+#include <linux/kd.h>
#include <stdio.h>
-
+#include <stdlib.h>
+#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/types.h>
+#include <unistd.h>
-#include <linux/fb.h>
-#include <linux/kd.h>
+#include <regex>
+#include <string>
+#include <vector>
+#include <android-base/strings.h>
#include <png.h>
-#include "minui.h"
+#include "minui/minui.h"
#define SURFACE_DATA_ALIGNMENT 8
static GRSurface* malloc_surface(size_t data_size) {
size_t size = sizeof(GRSurface) + data_size + SURFACE_DATA_ALIGNMENT;
- unsigned char* temp = reinterpret_cast<unsigned char*>(malloc(size));
+ unsigned char* temp = static_cast<unsigned char*>(malloc(size));
if (temp == NULL) return NULL;
GRSurface* surface = reinterpret_cast<GRSurface*>(temp);
surface->data = temp + sizeof(GRSurface) +
@@ -220,7 +222,7 @@ int res_create_display_surface(const char* name, GRSurface** pSurface) {
png_set_bgr(png_ptr);
#endif
- p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
+ p_row = static_cast<unsigned char*>(malloc(width * 4));
for (y = 0; y < height; ++y) {
png_read_row(png_ptr, p_row, NULL);
transform_rgb_to_draw(p_row, surface->data + y * surface->row_bytes, channels, width);
@@ -268,7 +270,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
printf(" found fps = %d\n", *fps);
}
- if (frames <= 0 || fps <= 0) {
+ if (*frames <= 0 || *fps <= 0) {
printf("bad number of frames (%d) and/or FPS (%d)\n", *frames, *fps);
result = -10;
goto exit;
@@ -280,7 +282,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
goto exit;
}
- surface = reinterpret_cast<GRSurface**>(malloc(*frames * sizeof(GRSurface*)));
+ surface = static_cast<GRSurface**>(calloc(*frames, sizeof(GRSurface*)));
if (surface == NULL) {
result = -8;
goto exit;
@@ -297,7 +299,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
png_set_bgr(png_ptr);
#endif
- p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
+ p_row = static_cast<unsigned char*>(malloc(width * 4));
for (y = 0; y < height; ++y) {
png_read_row(png_ptr, p_row, NULL);
int frame = y % *frames;
@@ -307,7 +309,7 @@ int res_create_multi_display_surface(const char* name, int* frames, int* fps,
}
free(p_row);
- *pSurface = reinterpret_cast<GRSurface**>(surface);
+ *pSurface = surface;
exit:
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
@@ -315,7 +317,7 @@ exit:
if (result < 0) {
if (surface) {
for (int i = 0; i < *frames; ++i) {
- if (surface[i]) free(surface[i]);
+ free(surface[i]);
}
free(surface);
}
@@ -372,14 +374,26 @@ int res_create_alpha_surface(const char* name, GRSurface** pSurface) {
// This function tests if a locale string stored in PNG (prefix) matches
// the locale string provided by the system (locale).
-bool matches_locale(const char* prefix, const char* locale) {
- if (locale == NULL) return false;
-
- // Return true if the whole string of prefix matches the top part of
- // locale. For instance, prefix == "en" matches locale == "en_US";
- // and prefix == "zh_CN" matches locale == "zh_CN_#Hans".
-
- return (strncmp(prefix, locale, strlen(prefix)) == 0);
+bool matches_locale(const std::string& prefix, const std::string& locale) {
+ // According to the BCP 47 format, A locale string may consists of:
+ // language-{extlang}-{script}-{region}-{variant}
+ // The locale headers in PNG mostly consist of language-{region} except for sr-Latn, and some
+ // android's system locale can have the format language-{script}-{region}.
+
+ // Return true if the whole string of prefix matches the top part of locale. Otherwise try to
+ // match the locale string without the {script} section.
+ // For instance, prefix == "en" matches locale == "en-US", prefix == "sr-Latn" matches locale
+ // == "sr-Latn-BA", and prefix == "zh-CN" matches locale == "zh-Hans-CN".
+ if (android::base::StartsWith(locale, prefix.c_str())) {
+ return true;
+ }
+
+ size_t separator = prefix.find('-');
+ if (separator == std::string::npos) {
+ return false;
+ }
+ std::regex loc_regex(prefix.substr(0, separator) + "-[A-Za-z]*" + prefix.substr(separator));
+ return std::regex_match(locale, loc_regex);
}
int res_create_localized_alpha_surface(const char* name,
@@ -391,18 +405,13 @@ int res_create_localized_alpha_surface(const char* name,
png_infop info_ptr = NULL;
png_uint_32 width, height;
png_byte channels;
- unsigned char* row;
png_uint_32 y;
+ std::vector<unsigned char> row;
*pSurface = NULL;
if (locale == NULL) {
- surface = malloc_surface(0);
- surface->width = 0;
- surface->height = 0;
- surface->row_bytes = 0;
- surface->pixel_bytes = 1;
- goto exit;
+ return result;
}
result = open_png(name, &png_ptr, &info_ptr, &width, &height, &channels);
@@ -413,13 +422,13 @@ int res_create_localized_alpha_surface(const char* name,
goto exit;
}
- row = reinterpret_cast<unsigned char*>(malloc(width));
+ row.resize(width);
for (y = 0; y < height; ++y) {
- png_read_row(png_ptr, row, NULL);
+ png_read_row(png_ptr, row.data(), NULL);
int w = (row[1] << 8) | row[0];
int h = (row[3] << 8) | row[2];
- int len = row[4];
- char* loc = (char*)row+5;
+ __unused int len = row[4];
+ char* loc = reinterpret_cast<char*>(&row[5]);
if (y+1+h >= height || matches_locale(loc, locale)) {
printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
@@ -436,16 +445,16 @@ int res_create_localized_alpha_surface(const char* name,
int i;
for (i = 0; i < h; ++i, ++y) {
- png_read_row(png_ptr, row, NULL);
- memcpy(surface->data + i*w, row, w);
+ png_read_row(png_ptr, row.data(), NULL);
+ memcpy(surface->data + i*w, row.data(), w);
}
- *pSurface = reinterpret_cast<GRSurface*>(surface);
+ *pSurface = surface;
break;
} else {
int i;
for (i = 0; i < h; ++i, ++y) {
- png_read_row(png_ptr, row, NULL);
+ png_read_row(png_ptr, row.data(), NULL);
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 03:38:12 +0100