diff options
Diffstat (limited to 'minui/graphics.c')
-rw-r--r-- | minui/graphics.c | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/minui/graphics.c b/minui/graphics.c deleted file mode 100644 index cce02a963..000000000 --- a/minui/graphics.c +++ /dev/null @@ -1,510 +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 <stdbool.h> -#include <stdlib.h> -#include <unistd.h> - -#include <errno.h> -#include <fcntl.h> -#include <stdio.h> - -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <sys/types.h> - -#include <linux/fb.h> -#include <linux/kd.h> - -#include <pixelflinger/pixelflinger.h> - -#ifdef BOARD_USE_CUSTOM_RECOVERY_FONT -#include BOARD_USE_CUSTOM_RECOVERY_FONT -#else -#include "font_10x18.h" -#endif - -#include "minui.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 { - GGLSurface* texture; - unsigned cwidth; - unsigned cheight; -} GRFont; - -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 struct fb_var_screeninfo vi; -static struct fb_fix_screeninfo fi; - -static bool has_overlay = false; - -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) -{ - 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) -{ - return gr_font->cwidth * strlen(s); -} - -void gr_font_size(int *x, int *y) -{ - *x = gr_font->cwidth; - *y = gr_font->cheight; -} - -int gr_text(int x, int y, const char *s, ...) -{ - return gr_text_impl(x, y, s, 0); -} - -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 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 (off < 96) { - 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; - } - - return x; -} - -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; - - 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); - - int w = gr_get_width(icon); - int h = gr_get_height(icon); - - 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) -{ - x1 += overscan_offset_x; - y1 += overscan_offset_y; - - x2 += overscan_offset_x; - y2 += overscan_offset_y; - - GGLContext *gl = gr_context; - gl->disable(gl, GGL_TEXTURE_2D); - gl->recti(gl, x1, y1, x2, y2); -} - -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; - - 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(gr_surface surface) { - if (surface == NULL) { - return 0; - } - return ((GGLSurface*) surface)->width; -} - -unsigned int gr_get_height(gr_surface surface) { - if (surface == NULL) { - return 0; - } - return ((GGLSurface*) surface)->height; -} - -static void gr_init_font(void) -{ - gr_font = calloc(sizeof(*gr_font), 1); - - 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 - // top row is regular text; the bottom row is bold. - gr_font->cwidth = gr_font->texture->width / 96; - gr_font->cheight = gr_font->texture->height / 2; - } else { - 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->width = font.width; - gr_font->texture->height = font.height; - gr_font->texture->stride = font.width; - - unsigned char* bits = malloc(font.width * font.height); - gr_font->texture->data = (void*) bits; - - unsigned char data; - unsigned char* in = font.rundata; - while((data = *in++)) { - memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f); - bits += (data & 0x7f); - } - - gr_font->cwidth = font.cwidth; - gr_font->cheight = font.cheight; - } - - // interpret the grayscale as alpha - gr_font->texture->format = GGL_PIXEL_FORMAT_A_8; -} - -int gr_init(void) -{ - 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. - 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_fb_fd = get_framebuffer(gr_framebuffer); - if (gr_fb_fd < 0) { - gr_exit(); - 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); - - gl->activeTexture(gl, 0); - gl->enable(gl, GGL_BLEND); - gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA); - - 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) -{ - 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); - gr_vt_fd = -1; -} - -int gr_fb_width(void) -{ - return gr_framebuffer[0].width - 2*overscan_offset_x; -} - -int gr_fb_height(void) -{ - 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) -{ -#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; -} - |