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-rw-r--r--minui/graphics.c312
1 files changed, 0 insertions, 312 deletions
diff --git a/minui/graphics.c b/minui/graphics.c
deleted file mode 100644
index 06c5fdfcd..000000000
--- a/minui/graphics.c
+++ /dev/null
@@ -1,312 +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 <stdlib.h>
-#include <unistd.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>
-
-#include "font_10x18.h"
-#include "minui.h"
-
-typedef struct {
- GGLSurface texture;
- unsigned cwidth;
- unsigned cheight;
- unsigned ascent;
-} GRFont;
-
-static GRFont *gr_font = 0;
-static GGLContext *gr_context = 0;
-static GGLSurface gr_font_texture;
-static GGLSurface gr_framebuffer[2];
-static GGLSurface gr_mem_surface;
-static unsigned gr_active_fb = 0;
-
-static int gr_fb_fd = -1;
-static int gr_vt_fd = -1;
-
-static struct fb_var_screeninfo vi;
-
-static int get_framebuffer(GGLSurface *fb)
-{
- int fd;
- struct fb_fix_screeninfo fi;
- void *bits;
-
- fd = open("/dev/graphics/fb0", O_RDWR);
- if (fd < 0) {
- perror("cannot open fb0");
- return -1;
- }
-
- if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
- perror("failed to get fb0 info");
- close(fd);
- return -1;
- }
-
- if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
- perror("failed to get fb0 info");
- close(fd);
- return -1;
- }
-
- 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;
- }
-
- fb->version = sizeof(*fb);
- fb->width = vi.xres;
- fb->height = vi.yres;
- fb->stride = vi.xres;
- fb->data = bits;
- fb->format = GGL_PIXEL_FORMAT_RGB_565;
-
- fb++;
-
- fb->version = sizeof(*fb);
- fb->width = vi.xres;
- fb->height = vi.yres;
- fb->stride = vi.xres;
- fb->data = (void*) (((unsigned) bits) + vi.yres * vi.xres * 2);
- fb->format = GGL_PIXEL_FORMAT_RGB_565;
-
- return fd;
-}
-
-static void get_memory_surface(GGLSurface* ms) {
- ms->version = sizeof(*ms);
- ms->width = vi.xres;
- ms->height = vi.yres;
- ms->stride = vi.xres;
- ms->data = malloc(vi.xres * vi.yres * 2);
- ms->format = GGL_PIXEL_FORMAT_RGB_565;
-}
-
-static void set_active_framebuffer(unsigned n)
-{
- if (n > 1) return;
- vi.yres_virtual = vi.yres * 2;
- vi.yoffset = n * vi.yres;
- if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
- perror("active fb swap failed");
- }
-}
-
-void gr_flip(void)
-{
- GGLContext *gl = gr_context;
-
- /* swap front and back buffers */
- 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,
- vi.xres * vi.yres * 2);
-
- /* 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);
-}
-
-int gr_text(int x, int y, const char *s)
-{
- GGLContext *gl = gr_context;
- GRFont *font = gr_font;
- unsigned off;
-
- y -= font->ascent;
-
- 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, 0 - y);
- gl->recti(gl, x, y, x + font->cwidth, y + font->cheight);
- }
- x += font->cwidth;
- }
-
- return x;
-}
-
-void gr_fill(int x, int y, int w, int h)
-{
- GGLContext *gl = gr_context;
- gl->disable(gl, GGL_TEXTURE_2D);
- gl->recti(gl, x, y, w, h);
-}
-
-void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
- if (gr_context == NULL) {
- return;
- }
- GGLContext *gl = gr_context;
-
- 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)
-{
- GGLSurface *ftex;
- unsigned char *bits, *rle;
- unsigned char *in, data;
-
- gr_font = calloc(sizeof(*gr_font), 1);
- ftex = &gr_font->texture;
-
- bits = malloc(font.width * font.height);
-
- ftex->version = sizeof(*ftex);
- ftex->width = font.width;
- ftex->height = font.height;
- ftex->stride = font.width;
- ftex->data = (void*) bits;
- ftex->format = GGL_PIXEL_FORMAT_A_8;
-
- 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;
- gr_font->ascent = font.cheight - 2;
-}
-
-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;
- 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);
-
- return 0;
-}
-
-void gr_exit(void)
-{
- 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;
-}
-
-int gr_fb_height(void)
-{
- return gr_framebuffer[0].height;
-}
-
-gr_pixel *gr_fb_data(void)
-{
- return (unsigned short *) gr_mem_surface.data;
-}
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