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-rw-r--r--minui/graphics.c538
1 files changed, 312 insertions, 226 deletions
diff --git a/minui/graphics.c b/minui/graphics.c
index 6049d85ca..3713f61de 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -18,6 +18,7 @@
#include <stdlib.h>
#include <unistd.h>
+#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@@ -28,37 +29,208 @@
#include <linux/fb.h>
#include <linux/kd.h>
-#include <time.h>
+#include <pixelflinger/pixelflinger.h>
#include "font_10x18.h"
#include "minui.h"
-#include "graphics.h"
+
+#if defined(RECOVERY_BGRA)
+#define PIXEL_FORMAT GGL_PIXEL_FORMAT_BGRA_8888
+#define PIXEL_SIZE 4
+#elif defined(RECOVERY_RGBX)
+#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBX_8888
+#define PIXEL_SIZE 4
+#else
+#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGB_565
+#define PIXEL_SIZE 2
+#endif
+
+#define NUM_BUFFERS 2
typedef struct {
- GRSurface* texture;
- int cwidth;
- int cheight;
+ GGLSurface* texture;
+ unsigned cwidth;
+ unsigned cheight;
} GRFont;
-static GRFont* gr_font = NULL;
-static minui_backend* gr_backend = NULL;
-
+static GRFont *gr_font = 0;
+static GGLContext *gr_context = 0;
+static GGLSurface gr_font_texture;
+static GGLSurface gr_framebuffer[NUM_BUFFERS];
+static GGLSurface gr_mem_surface;
+static unsigned gr_active_fb = 0;
+static unsigned double_buffering = 0;
static int overscan_percent = OVERSCAN_PERCENT;
static int overscan_offset_x = 0;
static int overscan_offset_y = 0;
+static int gr_fb_fd = -1;
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;
-static unsigned char gr_current_a = 255;
+static struct fb_var_screeninfo vi;
+static struct fb_fix_screeninfo fi;
-static GRSurface* gr_draw = NULL;
+static bool has_overlay = false;
-static bool outside(int x, int y)
+bool target_has_overlay(char *version);
+int free_ion_mem(void);
+int alloc_ion_mem(unsigned int size);
+int allocate_overlay(int fd, GGLSurface gr_fb[]);
+int free_overlay(int fd);
+int overlay_display_frame(int fd, GGLubyte* data, size_t size);
+
+static int get_framebuffer(GGLSurface *fb)
{
- return x < 0 || x >= gr_draw->width || y < 0 || y >= gr_draw->height;
+ int fd;
+ void *bits;
+
+ fd = open("/dev/graphics/fb0", O_RDWR);
+ if (fd < 0) {
+ perror("cannot open fb0");
+ return -1;
+ }
+
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
+ perror("failed to get fb0 info");
+ close(fd);
+ return -1;
+ }
+
+ vi.bits_per_pixel = PIXEL_SIZE * 8;
+ if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_BGRA_8888) {
+ vi.red.offset = 8;
+ vi.red.length = 8;
+ vi.green.offset = 16;
+ vi.green.length = 8;
+ vi.blue.offset = 24;
+ vi.blue.length = 8;
+ vi.transp.offset = 0;
+ vi.transp.length = 8;
+ } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBX_8888) {
+ vi.red.offset = 24;
+ vi.red.length = 8;
+ vi.green.offset = 16;
+ vi.green.length = 8;
+ vi.blue.offset = 8;
+ vi.blue.length = 8;
+ vi.transp.offset = 0;
+ vi.transp.length = 8;
+ } else { /* RGB565*/
+ vi.red.offset = 11;
+ vi.red.length = 5;
+ vi.green.offset = 5;
+ vi.green.length = 6;
+ vi.blue.offset = 0;
+ vi.blue.length = 5;
+ vi.transp.offset = 0;
+ vi.transp.length = 0;
+ }
+ if (ioctl(fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
+ perror("failed to put fb0 info");
+ close(fd);
+ return -1;
+ }
+
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+ perror("failed to get fb0 info");
+ close(fd);
+ return -1;
+ }
+
+ has_overlay = target_has_overlay(fi.id);
+
+ if (!has_overlay) {
+ 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 -1;
+ }
+ }
+
+ overscan_offset_x = vi.xres * overscan_percent / 100;
+ overscan_offset_y = vi.yres * overscan_percent / 100;
+
+ fb->version = sizeof(*fb);
+ fb->width = vi.xres;
+ fb->height = vi.yres;
+ fb->stride = fi.line_length/PIXEL_SIZE;
+ fb->format = PIXEL_FORMAT;
+ if (!has_overlay) {
+ fb->data = bits;
+ memset(fb->data, 0, vi.yres * fi.line_length);
+ }
+
+ fb++;
+
+ /* check if we can use double buffering */
+ if (vi.yres * fi.line_length * 2 > fi.smem_len)
+ return fd;
+
+ double_buffering = 1;
+
+ fb->version = sizeof(*fb);
+ fb->width = vi.xres;
+ fb->height = vi.yres;
+ fb->stride = fi.line_length/PIXEL_SIZE;
+ fb->format = PIXEL_FORMAT;
+ if (!has_overlay) {
+ fb->data = (void*) (((unsigned long) bits) + vi.yres * fi.line_length);
+ memset(fb->data, 0, vi.yres * fi.line_length);
+ }
+
+ return fd;
+}
+
+static void get_memory_surface(GGLSurface* ms) {
+ ms->version = sizeof(*ms);
+ ms->width = vi.xres;
+ ms->height = vi.yres;
+ ms->stride = fi.line_length/PIXEL_SIZE;
+ ms->data = malloc(fi.line_length * vi.yres);
+ ms->format = PIXEL_FORMAT;
+}
+
+static void set_active_framebuffer(unsigned n)
+{
+ if (n > 1 || !double_buffering) return;
+ vi.yres_virtual = vi.yres * NUM_BUFFERS;
+ vi.yoffset = n * vi.yres;
+ vi.bits_per_pixel = PIXEL_SIZE * 8;
+ if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
+ perror("active fb swap failed");
+ }
+}
+
+void gr_flip(void)
+{
+ if (-EINVAL == overlay_display_frame(gr_fb_fd, gr_mem_surface.data,
+ (fi.line_length * vi.yres))) {
+ GGLContext *gl = gr_context;
+
+ /* swap front and back buffers */
+ if (double_buffering)
+ gr_active_fb = (gr_active_fb + 1) & 1;
+
+ /* copy data from the in-memory surface to the buffer we're about
+ * to make active. */
+ memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
+ fi.line_length * vi.yres);
+
+ /* inform the display driver */
+ set_active_framebuffer(gr_active_fb);
+ }
+}
+
+void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+{
+ GGLContext *gl = gr_context;
+ GGLint color[4];
+ color[0] = ((r << 8) | r) + 1;
+ color[1] = ((g << 8) | g) + 1;
+ color[2] = ((b << 8) | b) + 1;
+ color[3] = ((a << 8) | a) + 1;
+ gl->color4xv(gl, color);
}
int gr_measure(const char *s)
@@ -72,118 +244,63 @@ void gr_font_size(int *x, int *y)
*y = gr_font->cheight;
}
-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 gr_text(int x, int y, const char *s, ...)
{
- int i, j;
- for (j = 0; j < height; ++j) {
- unsigned char* sx = src_p;
- unsigned char* px = dst_p;
- for (i = 0; i < width; ++i) {
- unsigned char a = *sx++;
- if (gr_current_a < 255) a = ((int)a * gr_current_a) / 255;
- if (a == 255) {
- *px++ = gr_current_r;
- *px++ = gr_current_g;
- *px++ = gr_current_b;
- px++;
- } else if (a > 0) {
- *px = (*px * (255-a) + gr_current_r * a) / 255;
- ++px;
- *px = (*px * (255-a) + gr_current_g * a) / 255;
- ++px;
- *px = (*px * (255-a) + gr_current_b * a) / 255;
- ++px;
- ++px;
- } else {
- px += 4;
- }
- }
- src_p += src_row_bytes;
- dst_p += dst_row_bytes;
- }
+ return gr_text_impl(x, y, s, 0);
}
-
-void gr_text(int x, int y, const char *s, int bold)
+int gr_text_impl(int x, int y, const char *s, int bold)
{
+ GGLContext *gl = gr_context;
GRFont *font = gr_font;
unsigned off;
- if (!font->texture) return;
- if (gr_current_a == 0) return;
+ if (!font->texture) return x;
bold = bold && (font->texture->height != font->cheight);
x += overscan_offset_x;
y += overscan_offset_y;
+ gl->bindTexture(gl, font->texture);
+ gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
+ gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+ gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+ gl->enable(gl, GGL_TEXTURE_2D);
+
while((off = *s++)) {
off -= 32;
- 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;
-
- text_blend(src_p, font->texture->row_bytes,
- dst_p, gr_draw->row_bytes,
- font->cwidth, font->cheight);
-
+ gl->texCoord2i(gl, (off * font->cwidth) - x,
+ (bold ? font->cheight : 0) - y);
+ gl->recti(gl, x, y, x + font->cwidth, y + font->cheight);
}
x += font->cwidth;
}
-}
-void gr_texticon(int x, int y, GRSurface* icon) {
- if (icon == NULL) return;
+ return x;
+}
- if (icon->pixel_bytes != 1) {
- printf("gr_texticon: source has wrong format\n");
+void gr_texticon(int x, int y, gr_surface icon) {
+ if (gr_context == NULL || icon == NULL) {
return;
}
+ GGLContext* gl = gr_context;
x += overscan_offset_x;
y += overscan_offset_y;
- if (outside(x, y) || outside(x+icon->width-1, y+icon->height-1)) return;
-
- unsigned char* src_p = icon->data;
- unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
-
- text_blend(src_p, icon->row_bytes,
- dst_p, gr_draw->row_bytes,
- icon->width, icon->height);
-}
+ gl->bindTexture(gl, (GGLSurface*) icon);
+ gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
+ gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+ gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+ gl->enable(gl, GGL_TEXTURE_2D);
-void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
-{
- gr_current_r = r;
- gr_current_g = g;
- gr_current_b = b;
- gr_current_a = a;
-}
+ int w = gr_get_width(icon);
+ int h = gr_get_height(icon);
-void gr_clear()
-{
- 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) {
- *px++ = gr_current_r;
- *px++ = gr_current_g;
- *px++ = gr_current_b;
- px++;
- }
- px += gr_draw->row_bytes - (gr_draw->width * gr_draw->pixel_bytes);
- }
- }
+ gl->texCoord2i(gl, -x, -y);
+ gl->recti(gl, x, y, x+gr_get_width(icon), y+gr_get_height(icon));
}
void gr_fill(int x1, int y1, int x2, int y2)
@@ -194,82 +311,48 @@ void gr_fill(int x1, int y1, int x2, int y2)
x2 += overscan_offset_x;
y2 += overscan_offset_y;
- if (outside(x1, y1) || outside(x2-1, y2-1)) return;
-
- unsigned char* p = gr_draw->data + y1 * gr_draw->row_bytes + x1 * gr_draw->pixel_bytes;
- if (gr_current_a == 255) {
- int x, y;
- for (y = y1; y < y2; ++y) {
- unsigned char* px = p;
- for (x = x1; x < x2; ++x) {
- *px++ = gr_current_r;
- *px++ = gr_current_g;
- *px++ = gr_current_b;
- px++;
- }
- p += gr_draw->row_bytes;
- }
- } else if (gr_current_a > 0) {
- int x, y;
- for (y = y1; y < y2; ++y) {
- unsigned char* px = p;
- for (x = x1; x < x2; ++x) {
- *px = (*px * (255-gr_current_a) + gr_current_r * gr_current_a) / 255;
- ++px;
- *px = (*px * (255-gr_current_a) + gr_current_g * gr_current_a) / 255;
- ++px;
- *px = (*px * (255-gr_current_a) + gr_current_b * gr_current_a) / 255;
- ++px;
- ++px;
- }
- p += gr_draw->row_bytes;
- }
- }
+ GGLContext *gl = gr_context;
+ gl->disable(gl, GGL_TEXTURE_2D);
+ gl->recti(gl, x1, y1, x2, y2);
}
-void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy) {
- if (source == NULL) return;
-
- if (gr_draw->pixel_bytes != source->pixel_bytes) {
- printf("gr_blit: source has wrong format\n");
+void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
+ if (gr_context == NULL || source == NULL) {
return;
}
+ GGLContext *gl = gr_context;
dx += overscan_offset_x;
dy += overscan_offset_y;
- if (outside(dx, dy) || outside(dx+w-1, dy+h-1)) return;
-
- unsigned char* src_p = source->data + sy*source->row_bytes + sx*source->pixel_bytes;
- unsigned char* dst_p = gr_draw->data + dy*gr_draw->row_bytes + dx*gr_draw->pixel_bytes;
-
- int i;
- for (i = 0; i < h; ++i) {
- memcpy(dst_p, src_p, w * source->pixel_bytes);
- src_p += source->row_bytes;
- dst_p += gr_draw->row_bytes;
- }
+ gl->bindTexture(gl, (GGLSurface*) source);
+ gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
+ gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+ gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
+ gl->enable(gl, GGL_TEXTURE_2D);
+ gl->texCoord2i(gl, sx - dx, sy - dy);
+ gl->recti(gl, dx, dy, dx + w, dy + h);
}
-unsigned int gr_get_width(GRSurface* surface) {
+unsigned int gr_get_width(gr_surface surface) {
if (surface == NULL) {
return 0;
}
- return surface->width;
+ return ((GGLSurface*) surface)->width;
}
-unsigned int gr_get_height(GRSurface* surface) {
+unsigned int gr_get_height(gr_surface surface) {
if (surface == NULL) {
return 0;
}
- return surface->height;
+ return ((GGLSurface*) surface)->height;
}
static void gr_init_font(void)
{
gr_font = calloc(sizeof(*gr_font), 1);
- int res = res_create_alpha_surface("font", &(gr_font->texture));
+ int res = res_create_surface("font", (void**)&(gr_font->texture));
if (res == 0) {
// The font image should be a 96x2 array of character images. The
// columns are the printable ASCII characters 0x20 - 0x7f. The
@@ -283,8 +366,7 @@ static void gr_init_font(void)
gr_font->texture = 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;
+ gr_font->texture->stride = font.width;
unsigned char* bits = malloc(font.width * font.height);
gr_font->texture->data = (void*) bits;
@@ -299,65 +381,17 @@ static void gr_init_font(void)
gr_font->cwidth = font.cwidth;
gr_font->cheight = font.cheight;
}
-}
-
-#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);
- gr_surface 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);
+ // interpret the grayscale as alpha
+ gr_font->texture->format = GGL_PIXEL_FORMAT_A_8;
}
int gr_init(void)
{
- gr_init_font();
+ gglInit(&gr_context);
+ GGLContext *gl = gr_context;
+ 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.
@@ -369,34 +403,45 @@ int gr_init(void)
return -1;
}
- gr_backend = open_adf();
- if (gr_backend) {
- gr_draw = gr_backend->init(gr_backend);
- if (!gr_draw) {
- gr_backend->exit(gr_backend);
- }
+ gr_fb_fd = get_framebuffer(gr_framebuffer);
+ if (gr_fb_fd < 0) {
+ gr_exit();
+ return -1;
}
- if (!gr_draw) {
- gr_backend = open_fbdev();
- gr_draw = gr_backend->init(gr_backend);
- if (gr_draw == NULL) {
- return -1;
- }
- }
+ get_memory_surface(&gr_mem_surface);
+
+ fprintf(stderr, "framebuffer: fd %d (%d x %d)\n",
+ gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height);
+
+ /* start with 0 as front (displayed) and 1 as back (drawing) */
+ gr_active_fb = 0;
+ if (!has_overlay)
+ set_active_framebuffer(0);
+ gl->colorBuffer(gl, &gr_mem_surface);
- overscan_offset_x = gr_draw->width * overscan_percent / 100;
- overscan_offset_y = gr_draw->height * overscan_percent / 100;
+ gl->activeTexture(gl, 0);
+ gl->enable(gl, GGL_BLEND);
+ gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA);
- gr_flip();
- gr_flip();
+ gr_fb_blank(true);
+ gr_fb_blank(false);
+
+ if (!alloc_ion_mem(fi.line_length * vi.yres))
+ allocate_overlay(gr_fb_fd, gr_framebuffer);
return 0;
}
void gr_exit(void)
{
- gr_backend->exit(gr_backend);
+ free_overlay(gr_fb_fd);
+ free_ion_mem();
+
+ close(gr_fb_fd);
+ gr_fb_fd = -1;
+
+ free(gr_mem_surface.data);
ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
close(gr_vt_fd);
@@ -405,15 +450,56 @@ void gr_exit(void)
int gr_fb_width(void)
{
- return gr_draw->width - 2*overscan_offset_x;
+ return gr_framebuffer[0].width - 2*overscan_offset_x;
}
int gr_fb_height(void)
{
- return gr_draw->height - 2*overscan_offset_y;
+ return gr_framebuffer[0].height - 2*overscan_offset_y;
+}
+
+gr_pixel *gr_fb_data(void)
+{
+ return (unsigned short *) gr_mem_surface.data;
}
void gr_fb_blank(bool blank)
{
- gr_backend->blank(gr_backend, blank);
+#if defined(TW_NO_SCREEN_BLANK) && defined(TW_BRIGHTNESS_PATH) && defined(TW_MAX_BRIGHTNESS)
+ int fd;
+ char brightness[4];
+ snprintf(brightness, 4, "%03d", TW_MAX_BRIGHTNESS/2);
+
+ fd = open(TW_BRIGHTNESS_PATH, O_RDWR);
+ if (fd < 0) {
+ perror("cannot open LCD backlight");
+ return;
+ }
+ write(fd, blank ? "000" : brightness, 3);
+ close(fd);
+#else
+ int ret;
+ if (blank)
+ free_overlay(gr_fb_fd);
+
+ ret = ioctl(gr_fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK);
+ if (ret < 0)
+ perror("ioctl(): blank");
+
+ if (!blank)
+ allocate_overlay(gr_fb_fd, gr_framebuffer);
+#endif
+}
+
+void gr_get_memory_surface(gr_surface surface)
+{
+ get_memory_surface( (GGLSurface*) surface);
}
+
+// These are new graphics functions from 5.0 that were not available in
+// 4.4 that are required by charger and healthd
+void gr_clear()
+{
+ return;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-25 23:44:42 +0200