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-rw-r--r--minui/Android.mk27
-rw-r--r--minui/events.c211
-rw-r--r--minui/events.cpp232
-rw-r--r--minui/graphics.cpp (renamed from minui/graphics.c)88
-rw-r--r--minui/graphics.h25
-rw-r--r--minui/graphics_adf.cpp (renamed from minui/graphics_adf.c)52
-rw-r--r--minui/graphics_drm.cpp476
-rw-r--r--minui/graphics_fbdev.cpp (renamed from minui/graphics_fbdev.c)38
-rw-r--r--minui/minui.h85
-rw-r--r--minui/resources.cpp (renamed from minui/resources.c)76
10 files changed, 904 insertions, 406 deletions
diff --git a/minui/Android.mk b/minui/Android.mk
index df4aac169..97724fbf0 100644
--- a/minui/Android.mk
+++ b/minui/Android.mk
@@ -1,21 +1,29 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
-LOCAL_SRC_FILES := graphics.c graphics_adf.c graphics_fbdev.c events.c \
- resources.c
-
-LOCAL_C_INCLUDES +=\
- external/libpng\
- external/zlib
+LOCAL_SRC_FILES := \
+ events.cpp \
+ graphics.cpp \
+ graphics_adf.cpp \
+ graphics_drm.cpp \
+ graphics_fbdev.cpp \
+ resources.cpp \
LOCAL_WHOLE_STATIC_LIBRARIES += libadf
+LOCAL_WHOLE_STATIC_LIBRARIES += libdrm
+LOCAL_STATIC_LIBRARIES += libpng
LOCAL_MODULE := libminui
+LOCAL_CLANG := true
+
# This used to compare against values in double-quotes (which are just
# ordinary characters in this context). Strip double-quotes from the
# value so that either will work.
+ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),ABGR_8888)
+ LOCAL_CFLAGS += -DRECOVERY_ABGR
+endif
ifeq ($(subst ",,$(TARGET_RECOVERY_PIXEL_FORMAT)),RGBX_8888)
LOCAL_CFLAGS += -DRECOVERY_RGBX
endif
@@ -30,3 +38,10 @@ else
endif
include $(BUILD_STATIC_LIBRARY)
+
+# Used by OEMs for factory test images.
+include $(CLEAR_VARS)
+LOCAL_MODULE := libminui
+LOCAL_WHOLE_STATIC_LIBRARIES += libminui
+LOCAL_SHARED_LIBRARIES := libpng
+include $(BUILD_SHARED_LIBRARY)
diff --git a/minui/events.c b/minui/events.c
deleted file mode 100644
index df7dad448..000000000
--- a/minui/events.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- * 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.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <sys/epoll.h>
-
-#include <linux/input.h>
-
-#include "minui.h"
-
-#define MAX_DEVICES 16
-#define MAX_MISC_FDS 16
-
-#define BITS_PER_LONG (sizeof(unsigned long) * 8)
-#define BITS_TO_LONGS(x) (((x) + BITS_PER_LONG - 1) / BITS_PER_LONG)
-
-#define test_bit(bit, array) \
- ((array)[(bit)/BITS_PER_LONG] & (1 << ((bit) % BITS_PER_LONG)))
-
-struct fd_info {
- int fd;
- ev_callback cb;
- void *data;
-};
-
-static int epollfd;
-static struct epoll_event polledevents[MAX_DEVICES + MAX_MISC_FDS];
-static int npolledevents;
-
-static struct fd_info ev_fdinfo[MAX_DEVICES + MAX_MISC_FDS];
-
-static unsigned ev_count = 0;
-static unsigned ev_dev_count = 0;
-static unsigned ev_misc_count = 0;
-
-int ev_init(ev_callback input_cb, void *data)
-{
- DIR *dir;
- struct dirent *de;
- int fd;
- struct epoll_event ev;
- bool epollctlfail = false;
-
- epollfd = epoll_create(MAX_DEVICES + MAX_MISC_FDS);
- if (epollfd == -1)
- return -1;
-
- dir = opendir("/dev/input");
- if(dir != 0) {
- 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;
- fd = openat(dirfd(dir), de->d_name, O_RDONLY);
- if(fd < 0) continue;
-
- /* read the evbits of the input device */
- if (ioctl(fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) < 0) {
- close(fd);
- continue;
- }
-
- /* TODO: add ability to specify event masks. For now, just assume
- * that only EV_KEY and EV_REL event types are ever needed. */
- if (!test_bit(EV_KEY, ev_bits) && !test_bit(EV_REL, ev_bits)) {
- close(fd);
- continue;
- }
-
- ev.events = EPOLLIN | EPOLLWAKEUP;
- ev.data.ptr = (void *)&ev_fdinfo[ev_count];
- if (epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev)) {
- 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;
- }
- }
-
- if (epollctlfail && !ev_count) {
- close(epollfd);
- epollfd = -1;
- return -1;
- }
-
- return 0;
-}
-
-int ev_add_fd(int fd, ev_callback cb, void *data)
-{
- struct epoll_event ev;
- int ret;
-
- if (ev_misc_count == MAX_MISC_FDS || cb == NULL)
- return -1;
-
- ev.events = EPOLLIN | EPOLLWAKEUP;
- ev.data.ptr = (void *)&ev_fdinfo[ev_count];
- ret = epoll_ctl(epollfd, 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_get_epollfd(void)
-{
- return epollfd;
-}
-
-void ev_exit(void)
-{
- while (ev_count > 0) {
- close(ev_fdinfo[--ev_count].fd);
- }
- ev_misc_count = 0;
- ev_dev_count = 0;
- close(epollfd);
-}
-
-int ev_wait(int timeout)
-{
- npolledevents = epoll_wait(epollfd, polledevents, ev_count, timeout);
- if (npolledevents <= 0)
- return -1;
- return 0;
-}
-
-void ev_dispatch(void)
-{
- int n;
- int ret;
-
- for (n = 0; n < npolledevents; n++) {
- struct fd_info *fdi = polledevents[n].data.ptr;
- ev_callback cb = fdi->cb;
- if (cb)
- cb(fdi->fd, polledevents[n].events, fdi->data);
- }
-}
-
-int ev_get_input(int fd, uint32_t epevents, struct input_event *ev)
-{
- int r;
-
- if (epevents & EPOLLIN) {
- r = read(fd, ev, sizeof(*ev));
- if (r == sizeof(*ev))
- return 0;
- }
- return -1;
-}
-
-int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data)
-{
- unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)];
- unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)];
- unsigned i;
- int ret;
-
- for (i = 0; i < ev_dev_count; i++) {
- int code;
-
- memset(key_bits, 0, sizeof(key_bits));
- memset(ev_bits, 0, sizeof(ev_bits));
-
- ret = ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
- if (ret < 0 || !test_bit(EV_KEY, ev_bits))
- continue;
-
- ret = ioctl(ev_fdinfo[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits);
- if (ret < 0)
- continue;
-
- for (code = 0; code <= KEY_MAX; code++) {
- if (test_bit(code, key_bits))
- set_key_cb(code, 1, data);
- }
- }
-
- return 0;
-}
diff --git a/minui/events.cpp b/minui/events.cpp
new file mode 100644
index 000000000..3b2262a4b
--- /dev/null
+++ b/minui/events.cpp
@@ -0,0 +1,232 @@
+/*
+ * 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.
+ */
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+
+#include <linux/input.h>
+
+#include "minui.h"
+
+#define MAX_DEVICES 16
+#define MAX_MISC_FDS 16
+
+#define BITS_PER_LONG (sizeof(unsigned long) * 8)
+#define BITS_TO_LONGS(x) (((x) + BITS_PER_LONG - 1) / BITS_PER_LONG)
+
+struct fd_info {
+ int fd;
+ ev_callback cb;
+ void* data;
+};
+
+static int g_epoll_fd;
+static epoll_event polledevents[MAX_DEVICES + MAX_MISC_FDS];
+static int npolledevents;
+
+static fd_info ev_fdinfo[MAX_DEVICES + MAX_MISC_FDS];
+
+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) {
+ return (array[bit/BITS_PER_LONG] & (1UL << (bit % BITS_PER_LONG))) != 0;
+}
+
+int ev_init(ev_callback input_cb, void* data) {
+ bool epollctlfail = false;
+
+ 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))) {
+ 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);
+ }
+
+ if (epollctlfail && !ev_count) {
+ close(g_epoll_fd);
+ g_epoll_fd = -1;
+ return -1;
+ }
+
+ 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;
+}
+
+void ev_exit(void) {
+ while (ev_count > 0) {
+ close(ev_fdinfo[--ev_count].fd);
+ }
+ ev_misc_count = 0;
+ ev_dev_count = 0;
+ close(g_epoll_fd);
+}
+
+int ev_wait(int timeout) {
+ npolledevents = epoll_wait(g_epoll_fd, polledevents, ev_count, timeout);
+ if (npolledevents <= 0) {
+ return -1;
+ }
+ return 0;
+}
+
+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);
+ }
+ }
+}
+
+int ev_get_input(int fd, uint32_t epevents, input_event* ev) {
+ if (epevents & EPOLLIN) {
+ ssize_t r = TEMP_FAILURE_RETRY(read(fd, ev, sizeof(*ev)));
+ if (r == sizeof(*ev)) {
+ return 0;
+ }
+ }
+ 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)];
+
+ 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;
+ }
+
+ for (int code = 0; code <= KEY_MAX; code++) {
+ if (test_bit(code, key_bits)) {
+ set_key_cb(code, 1, data);
+ }
+ }
+ }
+
+ 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)];
+
+ for (size_t i = 0; i < ev_dev_count; ++i) {
+ memset(ev_bits, 0, sizeof(ev_bits));
+ memset(key_bits, 0, sizeof(key_bits));
+
+ // Does this device even have keys?
+ if (ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits) == -1) {
+ continue;
+ }
+ if (!test_bit(EV_KEY, ev_bits)) {
+ continue;
+ }
+
+ int rc = ioctl(ev_fdinfo[i].fd, EVIOCGBIT(EV_KEY, KEY_MAX), key_bits);
+ if (rc == -1) {
+ continue;
+ }
+
+ for (int key_code = 0; key_code <= KEY_MAX; ++key_code) {
+ if (test_bit(key_code, key_bits)) {
+ f(key_code);
+ }
+ }
+ }
+}
diff --git a/minui/graphics.c b/minui/graphics.cpp
index 6049d85ca..c0eea9e38 100644
--- a/minui/graphics.c
+++ b/minui/graphics.cpp
@@ -16,6 +16,7 @@
#include <stdbool.h>
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include <fcntl.h>
@@ -34,11 +35,11 @@
#include "minui.h"
#include "graphics.h"
-typedef struct {
+struct GRFont {
GRSurface* texture;
int cwidth;
int cheight;
-} GRFont;
+};
static GRFont* gr_font = NULL;
static minui_backend* gr_backend = NULL;
@@ -47,8 +48,6 @@ static int overscan_percent = OVERSCAN_PERCENT;
static int overscan_offset_x = 0;
static int overscan_offset_y = 0;
-static int gr_vt_fd = -1;
-
static unsigned char gr_current_r = 255;
static unsigned char gr_current_g = 255;
static unsigned char gr_current_b = 255;
@@ -76,11 +75,10 @@ static void text_blend(unsigned char* src_p, int src_row_bytes,
unsigned char* dst_p, int dst_row_bytes,
int width, int height)
{
- int i, j;
- for (j = 0; j < height; ++j) {
+ for (int j = 0; j < height; ++j) {
unsigned char* sx = src_p;
unsigned char* px = dst_p;
- for (i = 0; i < width; ++i) {
+ for (int i = 0; i < width; ++i) {
unsigned char a = *sx++;
if (gr_current_a < 255) a = ((int)a * gr_current_a) / 255;
if (a == 255) {
@@ -105,34 +103,33 @@ static void text_blend(unsigned char* src_p, int src_row_bytes,
}
}
-
-void gr_text(int x, int y, const char *s, int bold)
+void gr_text(int x, int y, const char *s, bool bold)
{
- GRFont *font = gr_font;
- unsigned off;
+ GRFont* font = gr_font;
- if (!font->texture) return;
- if (gr_current_a == 0) return;
+ if (!font->texture || gr_current_a == 0) return;
bold = bold && (font->texture->height != font->cheight);
x += overscan_offset_x;
y += overscan_offset_y;
- while((off = *s++)) {
- off -= 32;
+ unsigned char ch;
+ while ((ch = *s++)) {
if (outside(x, y) || outside(x+font->cwidth-1, y+font->cheight-1)) break;
- if (off < 96) {
- unsigned char* src_p = font->texture->data + (off * font->cwidth) +
- (bold ? font->cheight * font->texture->row_bytes : 0);
- unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
+ if (ch < ' ' || ch > '~') {
+ ch = '?';
+ }
- text_blend(src_p, font->texture->row_bytes,
- dst_p, gr_draw->row_bytes,
- font->cwidth, font->cheight);
+ unsigned char* src_p = font->texture->data + ((ch - ' ') * font->cwidth) +
+ (bold ? font->cheight * font->texture->row_bytes : 0);
+ unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
+
+ text_blend(src_p, font->texture->row_bytes,
+ dst_p, gr_draw->row_bytes,
+ font->cwidth, font->cheight);
- }
x += font->cwidth;
}
}
@@ -160,22 +157,27 @@ void gr_texticon(int x, int y, GRSurface* icon) {
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
{
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+ gr_current_r = b;
+ gr_current_g = g;
+ gr_current_b = r;
+ gr_current_a = a;
+#else
gr_current_r = r;
gr_current_g = g;
gr_current_b = b;
gr_current_a = a;
+#endif
}
void gr_clear()
{
- if (gr_current_r == gr_current_g &&
- gr_current_r == gr_current_b) {
+ if (gr_current_r == gr_current_g && gr_current_r == gr_current_b) {
memset(gr_draw->data, gr_current_r, gr_draw->height * gr_draw->row_bytes);
} else {
- int x, y;
unsigned char* px = gr_draw->data;
- for (y = 0; y < gr_draw->height; ++y) {
- for (x = 0; x < gr_draw->width; ++x) {
+ for (int y = 0; y < gr_draw->height; ++y) {
+ for (int x = 0; x < gr_draw->width; ++x) {
*px++ = gr_current_r;
*px++ = gr_current_g;
*px++ = gr_current_b;
@@ -267,7 +269,7 @@ unsigned int gr_get_height(GRSurface* surface) {
static void gr_init_font(void)
{
- gr_font = calloc(sizeof(*gr_font), 1);
+ gr_font = reinterpret_cast<GRFont*>(calloc(sizeof(*gr_font), 1));
int res = res_create_alpha_surface("font", &(gr_font->texture));
if (res == 0) {
@@ -280,14 +282,14 @@ static void gr_init_font(void)
printf("failed to read font: res=%d\n", res);
// fall back to the compiled-in font.
- gr_font->texture = malloc(sizeof(*gr_font->texture));
+ gr_font->texture = reinterpret_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 = malloc(font.width * font.height);
- gr_font->texture->data = (void*) bits;
+ unsigned char* bits = reinterpret_cast<unsigned char*>(malloc(font.width * font.height));
+ gr_font->texture->data = reinterpret_cast<unsigned char*>(bits);
unsigned char data;
unsigned char* in = font.rundata;
@@ -324,7 +326,7 @@ static void gr_test() {
gr_clear();
gr_color(255, 0, 0, 255);
- gr_surface frame = images[x%frames];
+ GRSurface* frame = images[x%frames];
gr_blit(frame, 0, 0, frame->width, frame->height, x, 0);
gr_color(255, 0, 0, 128);
@@ -358,17 +360,6 @@ int gr_init(void)
{
gr_init_font();
- gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC);
- if (gr_vt_fd < 0) {
- // This is non-fatal; post-Cupcake kernels don't have tty0.
- perror("can't open /dev/tty0");
- } else if (ioctl(gr_vt_fd, KDSETMODE, (void*) KD_GRAPHICS)) {
- // However, if we do open tty0, we expect the ioctl to work.
- perror("failed KDSETMODE to KD_GRAPHICS on tty0");
- gr_exit();
- return -1;
- }
-
gr_backend = open_adf();
if (gr_backend) {
gr_draw = gr_backend->init(gr_backend);
@@ -378,6 +369,11 @@ int gr_init(void)
}
if (!gr_draw) {
+ gr_backend = open_drm();
+ gr_draw = gr_backend->init(gr_backend);
+ }
+
+ if (!gr_draw) {
gr_backend = open_fbdev();
gr_draw = gr_backend->init(gr_backend);
if (gr_draw == NULL) {
@@ -397,10 +393,6 @@ int gr_init(void)
void gr_exit(void)
{
gr_backend->exit(gr_backend);
-
- ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
- close(gr_vt_fd);
- gr_vt_fd = -1;
}
int gr_fb_width(void)
diff --git a/minui/graphics.h b/minui/graphics.h
index 993e986ee..52968eb10 100644
--- a/minui/graphics.h
+++ b/minui/graphics.h
@@ -17,34 +17,27 @@
#ifndef _GRAPHICS_H_
#define _GRAPHICS_H_
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdbool.h>
#include "minui.h"
-typedef struct minui_backend {
- // Initializes the backend and returns a gr_surface to draw into.
- gr_surface (*init)(struct minui_backend*);
+// TODO: lose the function pointers.
+struct minui_backend {
+ // Initializes the backend and returns a GRSurface* to draw into.
+ GRSurface* (*init)(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.
- gr_surface (*flip)(struct minui_backend*);
+ GRSurface* (*flip)(minui_backend*);
// Blank (or unblank) the screen.
- void (*blank)(struct minui_backend*, bool);
+ void (*blank)(minui_backend*, bool);
// Device cleanup when drawing is done.
- void (*exit)(struct minui_backend*);
-} minui_backend;
+ void (*exit)(minui_backend*);
+};
minui_backend* open_fbdev();
minui_backend* open_adf();
-
-#ifdef __cplusplus
-}
-#endif
+minui_backend* open_drm();
#endif
diff --git a/minui/graphics_adf.c b/minui/graphics_adf.cpp
index ac6d64e9e..5d0867f58 100644
--- a/minui/graphics_adf.c
+++ b/minui/graphics_adf.cpp
@@ -19,6 +19,7 @@
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include <sys/cdefs.h>
@@ -43,15 +44,13 @@ struct adf_pdata {
unsigned int current_surface;
unsigned int n_surfaces;
- struct adf_surface_pdata surfaces[2];
+ adf_surface_pdata surfaces[2];
};
-static gr_surface adf_flip(struct minui_backend *backend);
-static void adf_blank(struct minui_backend *backend, bool blank);
+static GRSurface* adf_flip(minui_backend *backend);
+static void adf_blank(minui_backend *backend, bool blank);
-static int adf_surface_init(struct adf_pdata *pdata,
- struct drm_mode_modeinfo *mode, struct adf_surface_pdata *surf)
-{
+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,
@@ -64,8 +63,9 @@ static int adf_surface_init(struct adf_pdata *pdata,
surf->base.row_bytes = surf->pitch;
surf->base.pixel_bytes = (pdata->format == DRM_FORMAT_RGB565) ? 2 : 4;
- surf->base.data = mmap(NULL, surf->pitch * surf->base.height, PROT_WRITE,
- MAP_SHARED, surf->fd, surf->offset);
+ 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;
@@ -74,9 +74,9 @@ static int adf_surface_init(struct adf_pdata *pdata,
return 0;
}
-static int adf_interface_init(struct adf_pdata *pdata)
+static int adf_interface_init(adf_pdata *pdata)
{
- struct adf_interface_data intf_data;
+ adf_interface_data intf_data;
int ret = 0;
int err;
@@ -106,7 +106,7 @@ done:
return ret;
}
-static int adf_device_init(struct adf_pdata *pdata, struct adf_device *dev)
+static int adf_device_init(adf_pdata *pdata, adf_device *dev)
{
adf_id_t intf_id;
int intf_fd;
@@ -134,14 +134,16 @@ static int adf_device_init(struct adf_pdata *pdata, struct adf_device *dev)
return err;
}
-static gr_surface adf_init(minui_backend *backend)
+static GRSurface* adf_init(minui_backend *backend)
{
- struct adf_pdata *pdata = (struct adf_pdata *)backend;
+ adf_pdata *pdata = (adf_pdata *)backend;
adf_id_t *dev_ids = NULL;
ssize_t n_dev_ids, i;
- gr_surface ret;
+ GRSurface* ret;
-#if defined(RECOVERY_BGRA)
+#if defined(RECOVERY_ABGR)
+ pdata->format = DRM_FORMAT_ABGR8888;
+#elif defined(RECOVERY_BGRA)
pdata->format = DRM_FORMAT_BGRA8888;
#elif defined(RECOVERY_RGBX)
pdata->format = DRM_FORMAT_RGBX8888;
@@ -161,7 +163,7 @@ static gr_surface adf_init(minui_backend *backend)
pdata->intf_fd = -1;
for (i = 0; i < n_dev_ids && pdata->intf_fd < 0; i++) {
- struct adf_device dev;
+ adf_device dev;
int err = adf_device_open(dev_ids[i], O_RDWR, &dev);
if (err < 0) {
@@ -191,10 +193,10 @@ static gr_surface adf_init(minui_backend *backend)
return ret;
}
-static gr_surface adf_flip(struct minui_backend *backend)
+static GRSurface* adf_flip(minui_backend *backend)
{
- struct adf_pdata *pdata = (struct adf_pdata *)backend;
- struct adf_surface_pdata *surf = &pdata->surfaces[pdata->current_surface];
+ adf_pdata *pdata = (adf_pdata *)backend;
+ adf_surface_pdata *surf = &pdata->surfaces[pdata->current_surface];
int fence_fd = adf_interface_simple_post(pdata->intf_fd, pdata->eng_id,
surf->base.width, surf->base.height, pdata->format, surf->fd,
@@ -206,22 +208,22 @@ static gr_surface adf_flip(struct minui_backend *backend)
return &pdata->surfaces[pdata->current_surface].base;
}
-static void adf_blank(struct minui_backend *backend, bool blank)
+static void adf_blank(minui_backend *backend, bool blank)
{
- struct adf_pdata *pdata = (struct adf_pdata *)backend;
+ adf_pdata *pdata = (adf_pdata *)backend;
adf_interface_blank(pdata->intf_fd,
blank ? DRM_MODE_DPMS_OFF : DRM_MODE_DPMS_ON);
}
-static void adf_surface_destroy(struct adf_surface_pdata *surf)
+static void adf_surface_destroy(adf_surface_pdata *surf)
{
munmap(surf->base.data, surf->pitch * surf->base.height);
close(surf->fd);
}
-static void adf_exit(struct minui_backend *backend)
+static void adf_exit(minui_backend *backend)
{
- struct adf_pdata *pdata = (struct adf_pdata *)backend;
+ adf_pdata *pdata = (adf_pdata *)backend;
unsigned int i;
for (i = 0; i < pdata->n_surfaces; i++)
@@ -233,7 +235,7 @@ static void adf_exit(struct minui_backend *backend)
minui_backend *open_adf()
{
- struct adf_pdata *pdata = calloc(1, sizeof(*pdata));
+ adf_pdata* pdata = reinterpret_cast<adf_pdata*>(calloc(1, sizeof(*pdata)));
if (!pdata) {
perror("allocating adf backend failed");
return NULL;
diff --git a/minui/graphics_drm.cpp b/minui/graphics_drm.cpp
new file mode 100644
index 000000000..03e33b775
--- /dev/null
+++ b/minui/graphics_drm.cpp
@@ -0,0 +1,476 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#include <drm_fourcc.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 <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "minui.h"
+#include "graphics.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
+ }
+}
+
+static void drm_enable_crtc(int drm_fd, drmModeCrtc *crtc,
+ struct drm_surface *surface) {
+ int32_t ret;
+
+ 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);
+}
+
+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]);
+}
+
+static void drm_destroy_surface(struct drm_surface *surface) {
+ struct drm_gem_close gem_close;
+ int ret;
+
+ if(!surface)
+ return;
+
+ if (surface->base.data)
+ munmap(surface->base.data,
+ surface->base.row_bytes * surface->base.height);
+
+ if (surface->fb_id) {
+ 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;
+
+ ret = drmIoctl(drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+ if (ret)
+ printf("DRM_IOCTL_GEM_CLOSE failed ret=%d\n", ret);
+ }
+
+ free(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;
+ }
+}
+
+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;
+ }
+
+#if defined(RECOVERY_ABGR)
+ format = DRM_FORMAT_RGBA8888;
+#elif defined(RECOVERY_BGRA)
+ format = DRM_FORMAT_ARGB8888;
+#elif defined(RECOVERY_RGBX)
+ format = DRM_FORMAT_XBGR8888;
+#else
+ 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;
+}
+
+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;
+ 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;
+}
+
+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);
+ }
+ }
+ return NULL;
+}
+
+static drmModeConnector *find_first_connected_connector(int fd,
+ drmModeRes *resources) {
+ int i;
+ for (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;
+
+ drmModeFreeConnector(connector);
+ }
+ }
+ return NULL;
+}
+
+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;
+ }
+ }
+
+ 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);
+ }
+}
+
+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;
+ }
+
+ if (drm_fd < 0 || res == NULL) {
+ perror("cannot find/open a drm device");
+ return NULL;
+ }
+
+ 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;
+ }
+
+ 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 NULL;
+ }
+
+ disable_non_main_crtcs(drm_fd,
+ res, main_monitor_crtc);
+
+ main_monitor_crtc->mode = main_monitor_connector->modes[selected_mode];
+
+ width = main_monitor_crtc->mode.hdisplay;
+ height = main_monitor_crtc->mode.vdisplay;
+
+ drmModeFreeResources(res);
+
+ 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;
+ }
+
+ current_buffer = 0;
+
+ drm_enable_crtc(drm_fd, main_monitor_crtc, drm_surfaces[1]);
+
+ return &(drm_surfaces[0]->base);
+}
+
+static GRSurface* drm_flip(minui_backend* backend __unused) {
+ int ret;
+
+ 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);
+}
+
+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;
+}
+
+static minui_backend drm_backend = {
+ .init = drm_init,
+ .flip = drm_flip,
+ .blank = drm_blank,
+ .exit = drm_exit,
+};
+
+minui_backend* open_drm() {
+ return &drm_backend;
+}
diff --git a/minui/graphics_fbdev.c b/minui/graphics_fbdev.cpp
index 6df2726f5..997e9cac2 100644
--- a/minui/graphics_fbdev.c
+++ b/minui/graphics_fbdev.cpp
@@ -16,6 +16,7 @@
#include <stdbool.h>
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include <fcntl.h>
@@ -32,8 +33,8 @@
#include "minui.h"
#include "graphics.h"
-static gr_surface fbdev_init(minui_backend*);
-static gr_surface fbdev_flip(minui_backend*);
+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*);
@@ -42,7 +43,7 @@ static bool double_buffered;
static GRSurface* gr_draw = NULL;
static int displayed_buffer;
-static struct fb_var_screeninfo vi;
+static fb_var_screeninfo vi;
static int fb_fd = -1;
static minui_backend my_backend = {
@@ -78,18 +79,14 @@ static void set_displayed_framebuffer(unsigned n)
displayed_buffer = n;
}
-static gr_surface fbdev_init(minui_backend* backend) {
- int fd;
- void *bits;
-
- struct fb_fix_screeninfo fi;
-
- fd = open("/dev/graphics/fb0", O_RDWR);
- if (fd < 0) {
+static GRSurface* fbdev_init(minui_backend* backend) {
+ int fd = open("/dev/graphics/fb0", O_RDWR);
+ if (fd == -1) {
perror("cannot open fb0");
return NULL;
}
+ fb_fix_screeninfo fi;
if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
perror("failed to get fb0 info");
close(fd);
@@ -123,7 +120,7 @@ static gr_surface fbdev_init(minui_backend* backend) {
vi.green.offset, vi.green.length,
vi.blue.offset, vi.blue.length);
- bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ 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);
@@ -136,7 +133,7 @@ static gr_surface fbdev_init(minui_backend* backend) {
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 = bits;
+ 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 */
@@ -177,7 +174,7 @@ static gr_surface fbdev_init(minui_backend* backend) {
return gr_draw;
}
-static gr_surface fbdev_flip(minui_backend* backend __unused) {
+static GRSurface* fbdev_flip(minui_backend* backend __unused) {
if (double_buffered) {
#if defined(RECOVERY_BGRA)
// In case of BGRA, do some byte swapping
@@ -198,21 +195,8 @@ static gr_surface fbdev_flip(minui_backend* backend __unused) {
set_displayed_framebuffer(1-displayed_buffer);
} else {
// Copy from the in-memory surface to the framebuffer.
-
-#if defined(RECOVERY_BGRA)
- unsigned int idx;
- unsigned char* ucfb_vaddr = (unsigned char*)gr_framebuffer[0].data;
- unsigned char* ucbuffer_vaddr = (unsigned char*)gr_draw->data;
- for (idx = 0 ; idx < (gr_draw->height * gr_draw->row_bytes); idx += 4) {
- ucfb_vaddr[idx ] = ucbuffer_vaddr[idx + 2];
- ucfb_vaddr[idx + 1] = ucbuffer_vaddr[idx + 1];
- ucfb_vaddr[idx + 2] = ucbuffer_vaddr[idx ];
- ucfb_vaddr[idx + 3] = ucbuffer_vaddr[idx + 3];
- }
-#else
memcpy(gr_framebuffer[0].data, gr_draw->data,
gr_draw->height * gr_draw->row_bytes);
-#endif
}
return gr_draw;
}
diff --git a/minui/minui.h b/minui/minui.h
index 733b675f3..bdde083f3 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -19,67 +19,70 @@
#include <sys/types.h>
-#include <stdbool.h>
+#include <functional>
-#ifdef __cplusplus
-extern "C" {
-#endif
+//
+// Graphics.
+//
-typedef struct {
+struct GRSurface {
int width;
int height;
int row_bytes;
int pixel_bytes;
unsigned char* data;
-} GRSurface;
+};
-typedef GRSurface* gr_surface;
+int gr_init();
+void gr_exit();
-int gr_init(void);
-void gr_exit(void);
+int gr_fb_width();
+int gr_fb_height();
-int gr_fb_width(void);
-int gr_fb_height(void);
-
-void gr_flip(void);
+void gr_flip();
void gr_fb_blank(bool blank);
void gr_clear(); // clear entire surface to current color
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x1, int y1, int x2, int y2);
-void gr_text(int x, int y, const char *s, int bold);
-void gr_texticon(int x, int y, gr_surface icon);
+void gr_text(int x, int y, const char *s, bool bold);
+void gr_texticon(int x, int y, GRSurface* icon);
int gr_measure(const char *s);
void gr_font_size(int *x, int *y);
-void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy);
-unsigned int gr_get_width(gr_surface surface);
-unsigned int gr_get_height(gr_surface surface);
+void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy);
+unsigned int gr_get_width(GRSurface* surface);
+unsigned int gr_get_height(GRSurface* surface);
+
+//
+// Input events.
+//
-// input event structure, include <linux/input.h> for the definition.
-// see http://www.mjmwired.net/kernel/Documentation/input/ for info.
struct input_event;
-typedef int (*ev_callback)(int fd, uint32_t epevents, void *data);
-typedef int (*ev_set_key_callback)(int code, int value, void *data);
+// 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);
-int ev_init(ev_callback input_cb, void *data);
-void ev_exit(void);
-int ev_add_fd(int fd, ev_callback cb, void *data);
-int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data);
+int ev_init(ev_callback input_cb, void* data);
+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);
-/* timeout has the same semantics as for poll
- * 0 : don't block
- * < 0 : block forever
- * > 0 : block for 'timeout' milliseconds
- */
+// 'timeout' has the same semantics as poll(2).
+// 0 : don't block
+// < 0 : block forever
+// > 0 : block for 'timeout' milliseconds
int ev_wait(int timeout);
-int ev_get_input(int fd, uint32_t epevents, struct input_event *ev);
-void ev_dispatch(void);
-int ev_get_epollfd(void);
+int ev_get_input(int fd, uint32_t epevents, input_event* ev);
+void ev_dispatch();
+int ev_get_epollfd();
+//
// Resources
+//
// res_create_*_surface() functions return 0 if no error, else
// negative.
@@ -92,17 +95,17 @@ int ev_get_epollfd(void);
// All these functions load PNG images from "/res/images/${name}.png".
// Load a single display surface from a PNG image.
-int res_create_display_surface(const char* name, gr_surface* pSurface);
+int res_create_display_surface(const char* name, GRSurface** pSurface);
// Load an array of display surfaces from a single PNG image. The PNG
// should have a 'Frames' text chunk whose value is the number of
// frames this image represents. The pixel data itself is interlaced
// by row.
int res_create_multi_display_surface(const char* name,
- int* frames, gr_surface** pSurface);
+ int* frames, GRSurface*** pSurface);
// Load a single alpha surface from a grayscale PNG image.
-int res_create_alpha_surface(const char* name, gr_surface* pSurface);
+int res_create_alpha_surface(const char* name, GRSurface** pSurface);
// Load part of a grayscale PNG image that is the first match for the
// given locale. The image is expected to be a composite of multiple
@@ -111,14 +114,10 @@ int res_create_alpha_surface(const char* name, gr_surface* pSurface);
// development/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,
- gr_surface* pSurface);
+ GRSurface** pSurface);
// Free a surface allocated by any of the res_create_*_surface()
// functions.
-void res_free_surface(gr_surface surface);
-
-#ifdef __cplusplus
-}
-#endif
+void res_free_surface(GRSurface* surface);
#endif
diff --git a/minui/resources.c b/minui/resources.cpp
index 2bae4ded0..5e4789277 100644
--- a/minui/resources.c
+++ b/minui/resources.cpp
@@ -15,6 +15,7 @@
*/
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include <fcntl.h>
@@ -35,10 +36,11 @@ extern char* locale;
#define SURFACE_DATA_ALIGNMENT 8
-static gr_surface malloc_surface(size_t data_size) {
- unsigned char* temp = malloc(sizeof(GRSurface) + data_size + SURFACE_DATA_ALIGNMENT);
+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));
if (temp == NULL) return NULL;
- gr_surface surface = (gr_surface) temp;
+ GRSurface* surface = reinterpret_cast<GRSurface*>(temp);
surface->data = temp + sizeof(GRSurface) +
(SURFACE_DATA_ALIGNMENT - (sizeof(GRSurface) % SURFACE_DATA_ALIGNMENT));
return surface;
@@ -49,6 +51,8 @@ static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
char resPath[256];
unsigned char header[8];
int result = 0;
+ int color_type, bit_depth;
+ size_t bytesRead;
snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.png", name);
resPath[sizeof(resPath)-1] = '\0';
@@ -58,7 +62,7 @@ static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
goto exit;
}
- size_t bytesRead = fread(header, 1, sizeof(header), fp);
+ bytesRead = fread(header, 1, sizeof(header), fp);
if (bytesRead != sizeof(header)) {
result = -2;
goto exit;
@@ -90,7 +94,6 @@ static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
png_set_sig_bytes(*png_ptr, sizeof(header));
png_read_info(*png_ptr, *info_ptr);
- int color_type, bit_depth;
png_get_IHDR(*png_ptr, *info_ptr, width, height, &bit_depth,
&color_type, NULL, NULL, NULL);
@@ -135,12 +138,10 @@ static int open_png(const char* name, png_structp* png_ptr, png_infop* info_ptr,
// framebuffer pixel format; they need to be modified if the
// framebuffer format changes (but nothing else should).
-// Allocate and return a gr_surface sufficient for storing an image of
+// Allocate and return a GRSurface* sufficient for storing an image of
// the indicated size in the framebuffer pixel format.
-static gr_surface init_display_surface(png_uint_32 width, png_uint_32 height) {
- gr_surface surface;
-
- surface = malloc_surface(width * height * 4);
+static GRSurface* init_display_surface(png_uint_32 width, png_uint_32 height) {
+ GRSurface* surface = malloc_surface(width * height * 4);
if (surface == NULL) return NULL;
surface->width = width;
@@ -196,13 +197,15 @@ static void transform_rgb_to_draw(unsigned char* input_row,
}
}
-int res_create_display_surface(const char* name, gr_surface* pSurface) {
- gr_surface surface = NULL;
+int res_create_display_surface(const char* name, GRSurface** pSurface) {
+ GRSurface* surface = NULL;
int result = 0;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_uint_32 width, height;
png_byte channels;
+ unsigned char* p_row;
+ unsigned int y;
*pSurface = NULL;
@@ -215,8 +218,11 @@ int res_create_display_surface(const char* name, gr_surface* pSurface) {
goto exit;
}
- unsigned char* p_row = malloc(width * 4);
- unsigned int y;
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+ png_set_bgr(png_ptr);
+#endif
+
+ p_row = reinterpret_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);
@@ -231,14 +237,18 @@ int res_create_display_surface(const char* name, gr_surface* pSurface) {
return result;
}
-int res_create_multi_display_surface(const char* name, int* frames, gr_surface** pSurface) {
- gr_surface* surface = NULL;
+int res_create_multi_display_surface(const char* name, int* frames, GRSurface*** pSurface) {
+ GRSurface** surface = NULL;
int result = 0;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_uint_32 width, height;
png_byte channels;
int i;
+ png_textp text;
+ int num_text;
+ unsigned char* p_row;
+ unsigned int y;
*pSurface = NULL;
*frames = -1;
@@ -247,8 +257,6 @@ int res_create_multi_display_surface(const char* name, int* frames, gr_surface**
if (result < 0) return result;
*frames = 1;
- png_textp text;
- int num_text;
if (png_get_text(png_ptr, info_ptr, &text, &num_text)) {
for (i = 0; i < num_text; ++i) {
if (text[i].key && strcmp(text[i].key, "Frames") == 0 && text[i].text) {
@@ -265,7 +273,7 @@ int res_create_multi_display_surface(const char* name, int* frames, gr_surface**
goto exit;
}
- surface = malloc(*frames * sizeof(gr_surface));
+ surface = reinterpret_cast<GRSurface**>(malloc(*frames * sizeof(GRSurface*)));
if (surface == NULL) {
result = -8;
goto exit;
@@ -278,8 +286,11 @@ int res_create_multi_display_surface(const char* name, int* frames, gr_surface**
}
}
- unsigned char* p_row = malloc(width * 4);
- unsigned int y;
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+ png_set_bgr(png_ptr);
+#endif
+
+ p_row = reinterpret_cast<unsigned char*>(malloc(width * 4));
for (y = 0; y < height; ++y) {
png_read_row(png_ptr, p_row, NULL);
int frame = y % *frames;
@@ -289,7 +300,7 @@ int res_create_multi_display_surface(const char* name, int* frames, gr_surface**
}
free(p_row);
- *pSurface = (gr_surface*) surface;
+ *pSurface = reinterpret_cast<GRSurface**>(surface);
exit:
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
@@ -305,8 +316,8 @@ exit:
return result;
}
-int res_create_alpha_surface(const char* name, gr_surface* pSurface) {
- gr_surface surface = NULL;
+int res_create_alpha_surface(const char* name, GRSurface** pSurface) {
+ GRSurface* surface = NULL;
int result = 0;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
@@ -333,6 +344,10 @@ int res_create_alpha_surface(const char* name, gr_surface* pSurface) {
surface->row_bytes = width;
surface->pixel_bytes = 1;
+#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
+ png_set_bgr(png_ptr);
+#endif
+
unsigned char* p_row;
unsigned int y;
for (y = 0; y < height; ++y) {
@@ -367,13 +382,15 @@ static int matches_locale(const char* loc, const char* locale) {
int res_create_localized_alpha_surface(const char* name,
const char* locale,
- gr_surface* pSurface) {
- gr_surface surface = NULL;
+ GRSurface** pSurface) {
+ GRSurface* surface = NULL;
int result = 0;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_uint_32 width, height;
png_byte channels;
+ unsigned char* row;
+ png_uint_32 y;
*pSurface = NULL;
@@ -394,8 +411,7 @@ int res_create_localized_alpha_surface(const char* name,
goto exit;
}
- unsigned char* row = malloc(width);
- png_uint_32 y;
+ row = reinterpret_cast<unsigned char*>(malloc(width));
for (y = 0; y < height; ++y) {
png_read_row(png_ptr, row, NULL);
int w = (row[1] << 8) | row[0];
@@ -422,7 +438,7 @@ int res_create_localized_alpha_surface(const char* name,
memcpy(surface->data + i*w, row, w);
}
- *pSurface = (gr_surface) surface;
+ *pSurface = reinterpret_cast<GRSurface*>(surface);
break;
} else {
int i;
@@ -438,6 +454,6 @@ exit:
return result;
}
-void res_free_surface(gr_surface surface) {
+void res_free_surface(GRSurface* surface) {
free(surface);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 21:16:23 +0200