summaryrefslogtreecommitdiffstats
path: root/minuitwrp/graphics.c
diff options
context:
space:
mode:
Diffstat (limited to 'minuitwrp/graphics.c')
-rw-r--r--minuitwrp/graphics.c754
1 files changed, 0 insertions, 754 deletions
diff --git a/minuitwrp/graphics.c b/minuitwrp/graphics.c
deleted file mode 100644
index fb86c1450..000000000
--- a/minuitwrp/graphics.c
+++ /dev/null
@@ -1,754 +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 <string.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 "minui.h"
-#include "../gui/placement.h"
-
-#ifdef RECOVERY_BGRA
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_BGRA_8888
-#define PIXEL_SIZE 4
-#endif
-#ifdef RECOVERY_RGBA
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBA_8888
-#define PIXEL_SIZE 4
-#endif
-#ifdef RECOVERY_RGBX
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBX_8888
-#define PIXEL_SIZE 4
-#endif
-#ifndef PIXEL_FORMAT
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGB_565
-#define PIXEL_SIZE 2
-#endif
-
-#define NUM_BUFFERS 2
-#define MAX_DISPLAY_DIM 2048
-
-// #define PRINT_SCREENINFO 1 // Enables printing of screen info to log
-
-typedef struct {
- int type;
- GGLSurface texture;
- unsigned offset[97];
- unsigned cheight;
- unsigned ascent;
-} GRFont;
-
-static GRFont *gr_font = 0;
-static GGLContext *gr_context = 0;
-static GGLSurface gr_font_texture;
-static GGLSurface gr_framebuffer[NUM_BUFFERS];
-GGLSurface gr_mem_surface;
-static unsigned gr_active_fb = 0;
-static unsigned double_buffering = 0;
-static int gr_is_curr_clr_opaque = 0;
-
-static int gr_fb_fd = -1;
-static int gr_vt_fd = -1;
-
-struct fb_var_screeninfo vi;
-static struct fb_fix_screeninfo fi;
-
-static bool has_overlay = false;
-static int leftSplit = 0;
-static int rightSplit = 0;
-
-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);
-
-#ifdef PRINT_SCREENINFO
-static void print_fb_var_screeninfo()
-{
- printf("vi.xres: %d\n", vi.xres);
- printf("vi.yres: %d\n", vi.yres);
- printf("vi.xres_virtual: %d\n", vi.xres_virtual);
- printf("vi.yres_virtual: %d\n", vi.yres_virtual);
- printf("vi.xoffset: %d\n", vi.xoffset);
- printf("vi.yoffset: %d\n", vi.yoffset);
- printf("vi.bits_per_pixel: %d\n", vi.bits_per_pixel);
- printf("vi.grayscale: %d\n", vi.grayscale);
-}
-#endif
-
-#ifdef MSM_BSP
-int getLeftSplit(void) {
- //Default even split for all displays with high res
- int lSplit = vi.xres / 2;
-
- //Override if split published by driver
- if (leftSplit)
- lSplit = leftSplit;
-
- return lSplit;
-}
-
-int getRightSplit(void) {
- return rightSplit;
-}
-
-
-void setDisplaySplit(void) {
- char split[64] = {0};
- FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r");
- if (fp) {
- //Format "left right" space as delimiter
- if(fread(split, sizeof(char), 64, fp)) {
- leftSplit = atoi(split);
- printf("Left Split=%d\n",leftSplit);
- char *rght = strpbrk(split, " ");
- if (rght)
- rightSplit = atoi(rght + 1);
- printf("Right Split=%d\n", rightSplit);
- }
- } else {
- printf("Failed to open mdss_fb_split node\n");
- }
- if (fp)
- fclose(fp);
-}
-
-bool isDisplaySplit(void) {
- if (vi.xres > MAX_DISPLAY_DIM)
- return true;
- //check if right split is set by driver
- if (getRightSplit())
- return true;
-
- return false;
-}
-
-int getFbXres(void) {
- return vi.xres;
-}
-
-int getFbYres (void) {
- return vi.yres;
-}
-#endif // MSM_BSP
-
-static int get_framebuffer(GGLSurface *fb)
-{
- int fd, index = 0;
- void *bits;
-
- fd = open("/dev/graphics/fb0", O_RDWR);
-
- while (fd < 0 && index < 30) {
- usleep(1000);
- fd = open("/dev/graphics/fb0", O_RDWR);
- index++;
- }
- if (fd < 0) {
- perror("cannot open fb0\n");
- return -1;
- }
-
- if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
- perror("failed to get fb0 info");
- close(fd);
- return -1;
- }
-
- fprintf(stderr, "Pixel format: %dx%d @ %dbpp\n", vi.xres, vi.yres, vi.bits_per_pixel);
-
- vi.bits_per_pixel = PIXEL_SIZE * 8;
- if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_BGRA_8888) {
- fprintf(stderr, "Pixel format: BGRA_8888\n");
- if (PIXEL_SIZE != 4) fprintf(stderr, "E: Pixel Size mismatch!\n");
- 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_RGBA_8888) {
- fprintf(stderr, "Pixel format: RGBA_8888\n");
- if (PIXEL_SIZE != 4) fprintf(stderr, "E: Pixel Size mismatch!\n");
- vi.red.offset = 0;
- vi.red.length = 8;
- vi.green.offset = 8;
- vi.green.length = 8;
- vi.blue.offset = 16;
- vi.blue.length = 8;
- vi.transp.offset = 24;
- vi.transp.length = 8;
- } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBX_8888) {
- fprintf(stderr, "Pixel format: RGBX_8888\n");
- if (PIXEL_SIZE != 4) fprintf(stderr, "E: Pixel Size mismatch!\n");
- 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 if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGB_565) {
-#ifdef RECOVERY_RGB_565
- fprintf(stderr, "Pixel format: RGB_565\n");
- vi.blue.offset = 0;
- vi.green.offset = 5;
- vi.red.offset = 11;
-#else
- fprintf(stderr, "Pixel format: BGR_565\n");
- vi.blue.offset = 11;
- vi.green.offset = 5;
- vi.red.offset = 0;
-#endif
- if (PIXEL_SIZE != 2) fprintf(stderr, "E: Pixel Size mismatch!\n");
- vi.blue.length = 5;
- vi.green.length = 6;
- vi.red.length = 5;
- vi.blue.msb_right = 0;
- vi.green.msb_right = 0;
- vi.red.msb_right = 0;
- vi.transp.offset = 0;
- vi.transp.length = 0;
- }
- else
- {
- perror("unknown pixel format");
- close(fd);
- return -1;
- }
-
- vi.vmode = FB_VMODE_NONINTERLACED;
- vi.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE;
-
- 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;
- }
-
-#ifdef MSM_BSP
- has_overlay = target_has_overlay(fi.id);
-
- if (isTargetMdp5())
- setDisplaySplit();
-#else
- has_overlay = false;
-#endif
-
- if (!has_overlay) {
- printf("Not using qualcomm overlay, '%s'\n", fi.id);
- 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;
- }
- } else {
- printf("Using qualcomm overlay\n");
- }
-
-#ifdef RECOVERY_GRAPHICS_USE_LINELENGTH
- vi.xres_virtual = fi.line_length / PIXEL_SIZE;
-#endif
-
- fb->version = sizeof(*fb);
- fb->width = vi.xres;
- fb->height = vi.yres;
-#ifdef BOARD_HAS_JANKY_BACKBUFFER
- printf("setting JANKY BACKBUFFER\n");
- fb->stride = fi.line_length/2;
-#else
- fb->stride = vi.xres_virtual;
-#endif
- fb->format = PIXEL_FORMAT;
- if (!has_overlay) {
- fb->data = bits;
- memset(fb->data, 0, vi.yres * fb->stride * PIXEL_SIZE);
- }
-
- fb++;
-
-#ifndef TW_DISABLE_DOUBLE_BUFFERING
- /* check if we can use double buffering */
- if (vi.yres * fi.line_length * 2 > fi.smem_len)
-#else
- printf("TW_DISABLE_DOUBLE_BUFFERING := true\n");
-#endif
- return fd;
-
- double_buffering = 1;
-
- fb->version = sizeof(*fb);
- fb->width = vi.xres;
- fb->height = vi.yres;
-#ifdef BOARD_HAS_JANKY_BACKBUFFER
- fb->stride = fi.line_length/2;
- fb->data = (GGLubyte*) (((unsigned long) bits) + vi.yres * fi.line_length);
-#else
- fb->stride = vi.xres_virtual;
- fb->data = (GGLubyte*) (((unsigned long) bits) + vi.yres * fb->stride * PIXEL_SIZE);
-#endif
- fb->format = PIXEL_FORMAT;
- if (!has_overlay) {
- memset(fb->data, 0, vi.yres * fb->stride * PIXEL_SIZE);
- }
-
-#ifdef PRINT_SCREENINFO
- print_fb_var_screeninfo();
-#endif
-
- 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_virtual;
- ms->data = malloc(vi.xres_virtual * vi.yres * PIXEL_SIZE);
- 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;
-
-#ifdef BOARD_HAS_FLIPPED_SCREEN
- /* flip buffer 180 degrees for devices with physicaly inverted screens */
- unsigned int i;
- unsigned int j;
- for (i = 0; i < vi.yres; i++) {
- for (j = 0; j < vi.xres; j++) {
- memcpy(gr_framebuffer[gr_active_fb].data + (i * vi.xres_virtual + j) * PIXEL_SIZE,
- gr_mem_surface.data + ((vi.yres - i - 1) * vi.xres_virtual + vi.xres - j - 1) * PIXEL_SIZE, PIXEL_SIZE);
- }
- }
-#else
- /* 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_virtual * vi.yres * PIXEL_SIZE);
-#endif
-
- /* 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);
-
- gr_is_curr_clr_opaque = (a == 255);
-}
-
-int gr_measureEx(const char *s, void* font)
-{
- GRFont* fnt = (GRFont*) font;
-
- if (!fnt)
- return 0;
-
- return gr_ttf_measureEx(s, font);
-}
-
-int gr_maxExW(const char *s, void* font, int max_width)
-{
- GRFont* fnt = (GRFont*) font;
-
- if (!fnt)
- return 0;
-
- return gr_ttf_maxExW(s, font, max_width);
-}
-
-int gr_textEx(int x, int y, const char *s, void* pFont)
-{
- GGLContext *gl = gr_context;
- GRFont *font = (GRFont*) pFont;
-
- if (!font)
- return 0;
-
- return gr_ttf_textExWH(gl, x, y, s, pFont, -1, -1);
-}
-
-int gr_textEx_scaleW(int x, int y, const char *s, void* pFont, int max_width, int placement, int scale)
-{
- GGLContext *gl = gr_context;
- void* vfont = pFont;
- GRFont *font = (GRFont*) pFont;
- unsigned off;
- unsigned cwidth;
- int y_scale = 0, measured_width, measured_height, ret, new_height;
-
- if (!s || strlen(s) == 0 || !font)
- return 0;
-
- measured_height = gr_ttf_getMaxFontHeight(font);
-
- if (scale) {
- measured_width = gr_ttf_measureEx(s, vfont);
- if (measured_width > max_width) {
- // Adjust font size down until the text fits
- void *new_font = gr_ttf_scaleFont(vfont, max_width, measured_width);
- if (!new_font) {
- printf("gr_textEx_scaleW new_font is NULL\n");
- return 0;
- }
- measured_width = gr_ttf_measureEx(s, new_font);
- // These next 2 lines adjust the y point based on the new font's height
- new_height = gr_ttf_getMaxFontHeight(new_font);
- y_scale = (measured_height - new_height) / 2;
- vfont = new_font;
- }
- } else
- measured_width = gr_ttf_measureEx(s, vfont);
-
- int x_adj = measured_width;
- if (measured_width > max_width)
- x_adj = max_width;
-
- if (placement != TOP_LEFT && placement != BOTTOM_LEFT && placement != TEXT_ONLY_RIGHT) {
- if (placement == CENTER || placement == CENTER_X_ONLY)
- x -= (x_adj / 2);
- else
- x -= x_adj;
- }
-
- if (placement != TOP_LEFT && placement != TOP_RIGHT) {
- if (placement == CENTER || placement == TEXT_ONLY_RIGHT)
- y -= (measured_height / 2);
- else if (placement == BOTTOM_LEFT || placement == BOTTOM_RIGHT)
- y -= measured_height;
- }
- return gr_ttf_textExWH(gl, x, y + y_scale, s, vfont, measured_width + x, -1);
-}
-
-int gr_textExW(int x, int y, const char *s, void* pFont, int max_width)
-{
- GGLContext *gl = gr_context;
- GRFont *font = (GRFont*) pFont;
-
- if (!font)
- return 0;
-
- return gr_ttf_textExWH(gl, x, y, s, pFont, max_width, -1);
-}
-
-int gr_textExWH(int x, int y, const char *s, void* pFont, int max_width, int max_height)
-{
- GGLContext *gl = gr_context;
- GRFont *font = (GRFont*) pFont;
-
- if (!font)
- return 0;
-
- return gr_ttf_textExWH(gl, x, y, s, pFont, max_width, max_height);
-}
-
-void gr_clip(int x, int y, int w, int h)
-{
- GGLContext *gl = gr_context;
- gl->scissor(gl, x, y, w, h);
- gl->enable(gl, GGL_SCISSOR_TEST);
-}
-
-void gr_noclip()
-{
- GGLContext *gl = gr_context;
- gl->scissor(gl, 0, 0, gr_fb_width(), gr_fb_height());
- gl->disable(gl, GGL_SCISSOR_TEST);
-}
-
-void gr_fill(int x, int y, int w, int h)
-{
- GGLContext *gl = gr_context;
-
- if(gr_is_curr_clr_opaque)
- gl->disable(gl, GGL_BLEND);
-
- gl->recti(gl, x, y, x + w, y + h);
-
- if(gr_is_curr_clr_opaque)
- gl->enable(gl, GGL_BLEND);
-}
-
-void gr_line(int x0, int y0, int x1, int y1, int width)
-{
- GGLContext *gl = gr_context;
-
- if(gr_is_curr_clr_opaque)
- gl->disable(gl, GGL_BLEND);
-
- const int coords0[2] = { x0 << 4, y0 << 4 };
- const int coords1[2] = { x1 << 4, y1 << 4 };
- gl->linex(gl, coords0, coords1, width << 4);
-
- if(gr_is_curr_clr_opaque)
- gl->enable(gl, GGL_BLEND);
-}
-
-gr_surface gr_render_circle(int radius, unsigned char r, unsigned char g, unsigned char b, unsigned char a)
-{
- int rx, ry;
- GGLSurface *surface;
- const int diameter = radius*2 + 1;
- const int radius_check = radius*radius + radius*0.8;
- const uint32_t px = (a << 24) | (b << 16) | (g << 8) | r;
- uint32_t *data;
-
- surface = malloc(sizeof(GGLSurface));
- memset(surface, 0, sizeof(GGLSurface));
-
- data = malloc(diameter * diameter * 4);
- memset(data, 0, diameter * diameter * 4);
-
- surface->version = sizeof(surface);
- surface->width = diameter;
- surface->height = diameter;
- surface->stride = diameter;
- surface->data = (GGLubyte*)data;
- surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
-
- for(ry = -radius; ry <= radius; ++ry)
- for(rx = -radius; rx <= radius; ++rx)
- if(rx*rx+ry*ry <= radius_check)
- *(data + diameter*(radius + ry) + (radius+rx)) = px;
-
- return surface;
-}
-
-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;
- GGLSurface *surface = (GGLSurface*)source;
-
- if(surface->format == GGL_PIXEL_FORMAT_RGBX_8888)
- gl->disable(gl, GGL_BLEND);
-
- gl->bindTexture(gl, surface);
- 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);
- gl->disable(gl, GGL_TEXTURE_2D);
-
- if(surface->format == GGL_PIXEL_FORMAT_RGBX_8888)
- gl->enable(gl, GGL_BLEND);
-}
-
-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;
-}
-
-int gr_getMaxFontHeight(void *font)
-{
- GRFont *fnt = (GRFont*) font;
-
- if (!fnt)
- return -1;
-
- return gr_ttf_getMaxFontHeight(font);
-}
-
-int gr_init(void)
-{
- gglInit(&gr_context);
- GGLContext *gl = gr_context;
-
- 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.
- } 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) {
- perror("Unable to get framebuffer.\n");
- 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);
-
-#ifdef TW_SCREEN_BLANK_ON_BOOT
- printf("TW_SCREEN_BLANK_ON_BOOT := true\n");
- gr_fb_blank(true);
- gr_fb_blank(false);
-#endif
-
- 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;
-}
-
-int gr_fb_height(void)
-{
- return gr_framebuffer[0].height;
-}
-
-gr_pixel *gr_fb_data(void)
-{
- return (unsigned short *) gr_mem_surface.data;
-}
-
-int gr_fb_blank(int blank)
-{
- 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);
- return ret;
-}
-
-int gr_get_surface(gr_surface* surface)
-{
- GGLSurface* ms = malloc(sizeof(GGLSurface));
- if (!ms) return -1;
-
- // Allocate the data
- get_memory_surface(ms);
-
- // Now, copy the data
- memcpy(ms->data, gr_mem_surface.data, vi.xres * vi.yres * vi.bits_per_pixel / 8);
-
- *surface = (gr_surface*) ms;
- return 0;
-}
-
-int gr_free_surface(gr_surface surface)
-{
- if (!surface)
- return -1;
-
- GGLSurface* ms = (GGLSurface*) surface;
- free(ms->data);
- free(ms);
- return 0;
-}
-
-void gr_write_frame_to_file(int fd)
-{
- write(fd, gr_mem_surface.data, vi.xres * vi.yres * vi.bits_per_pixel / 8);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 07:40:41 +0200