+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <strings.h>
-#include <ctype.h>
-#include <sys/time.h>
-#include <SDL/SDL.h>
-
-#include "pmsdl.h"
-#include "common/input.h"
-#include "linux/fbdev.h"
-#include "linux/oshide.h"
-
-static SDL_Surface *g_screen;
-static void *g_screen_fbp;
-static Uint16 g_8bpp_pal[256];
-static Uint32 g_start_ticks;
-
-static inline int min(int v1, int v2)
-{
- return v1 < v2 ? v1 : v2;
-}
-
-static SDL_Surface *alloc_surface(int w, int h, int bpp)
-{
- // SDL has some pointer overuse, every surface has a format,
- // why make format accessible through pointer?
- struct {
- SDL_Surface s;
- SDL_PixelFormat f;
- } *ret;
-
- ret = calloc(1, sizeof(*ret));
- if (ret == NULL)
- return NULL;
-
- ret->s.format = &ret->f;
- ret->f.BitsPerPixel = bpp;
- ret->f.BytesPerPixel = (bpp + 7) / 8;
-
- ret->s.w = w;
- ret->s.h = h;
- ret->s.pitch = w * ret->f.BytesPerPixel;
- // XXX: more fields
-
- return &ret->s;
-}
-
-static char *sskip(char *p)
-{
- while (*p && isspace(*p))
- p++;
- return p;
-}
-
-static char *nsskip(char *p)
-{
- while (*p && !isspace(*p))
- p++;
- return p;
-}
-
-static int check_token(const char *p, const char *token)
-{
- int tlen = strlen(token);
- return strncasecmp(p, token, tlen) == 0 && isspace(p[tlen]);
-}
-
-static void do_config(void)
-{
- char buff[256];
- FILE *f;
-
- f = fopen("pmsdl.cfg", "r");
- if (f == NULL)
- return;
-
- while (!feof(f)) {
- char *p, *line = fgets(buff, sizeof(buff), f);
- if (line == NULL)
- break;
- p = line = sskip(line);
- if (*p == '#')
- continue;
-
- if (check_token(p, "bind")) {
- char *key, *key_end, *sdlkey, *sdlkey_end;
- key = sskip(p + 5);
- key_end = nsskip(key);
- p = sskip(key_end);
- if (*p != '=')
- goto bad;
- sdlkey = sskip(p + 1);
- sdlkey_end = nsskip(sdlkey);
- p = sskip(sdlkey_end);
- if (*key == 0 || *sdlkey == 0 || *p != 0)
- goto bad;
- *key_end = *sdlkey_end = 0;
-
- pmsdl_input_bind(key, sdlkey);
- continue;
- }
-
-bad:
- err("config: failed to parse: %s", line);
- }
- fclose(f);
-}
-
-DECLSPEC int SDLCALL
-SDL_Init(Uint32 flags)
-{
- trace("%08x", flags);
-
- if (g_start_ticks == 0) {
- pmsdl_input_init();
- oshide_init();
- do_config();
- }
-
- g_start_ticks = 0;
- g_start_ticks = SDL_GetTicks();
-
- return 0;
-}
-
-DECLSPEC void SDLCALL
-SDL_Quit(void)
-{
- trace("");
-
- if (g_start_ticks != 0) {
- oshide_finish();
- g_start_ticks = 0;
- }
-}
-
-DECLSPEC int SDLCALL
-SDL_InitSubSystem(Uint32 flags)
-{
- trace("%08x", flags);
- return 0;
-}
-
-DECLSPEC void SDLCALL
-SDL_QuitSubSystem(Uint32 flags)
-{
- trace("%08x", flags);
-}
-
-DECLSPEC Uint32 SDLCALL
-SDL_GetTicks(void)
-{
- struct timeval tv;
- Uint32 ret;
-
- gettimeofday(&tv, NULL);
- ret = tv.tv_sec * 1000;
- ret += tv.tv_usec * 1048 >> 20;
-
- ret -= g_start_ticks;
- dbg(" SDL_GetTicks %d", ret);
- return ret;
-}
-
-DECLSPEC SDL_Surface * SDLCALL
-SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
-{
- struct vout_fbdev *fbdev;
-
- trace("%d, %d, %d, %08x", width, height, bpp, flags);
-
- if (bpp == 0)
- bpp = 16;
-
- if (bpp != 8 && bpp != 16) {
- err("unsupported bpp: %d\n", bpp);
- return NULL;
- }
-
- // XXX: destroy old g_screen?
-
- g_screen = alloc_surface(width, height, bpp);
- if (g_screen == NULL)
- return NULL;
-
- fbdev = vout_fbdev_init("/dev/fb0", &width, &height, 0);
- if (fbdev == NULL)
- goto fail_fbdev_init;
-
- g_screen_fbp = vout_fbdev_flip(fbdev);
- if (bpp == 16)
- g_screen->pixels = g_screen_fbp;
- else
- // we have to fake this for now..
- g_screen->pixels = calloc(g_screen->pitch * height, 1);
-
- if (g_screen->pixels == NULL) {
- err("fb NULL");
- goto fail_pixels;
- }
- g_screen->hwdata = (void *)fbdev;
-
- dbg("returning %p", g_screen);
- return g_screen;
-
-fail_pixels:
- vout_fbdev_finish(fbdev);
-fail_fbdev_init:
- free(g_screen);
- g_screen = NULL;
- return NULL;
-}
-
-DECLSPEC int SDLCALL
-SDL_Flip(SDL_Surface *screen)
-{
- struct vout_fbdev *fbdev;
-
- trace("%p", screen);
-
- if (screen != g_screen) {
- err("flip not on screen surface?");
- return -1;
- }
-
- if (screen->format->BitsPerPixel == 8) {
- int l = screen->pitch * screen->h;
-#ifdef __arm__
- do_clut(g_screen_fbp, screen->pixels, g_8bpp_pal, l);
-#else
- Uint16 *d = g_screen_fbp;
- Uint8 *s = screen->pixels;
-
- // XXX: perhaps optimize this sh*t
- for (; l > 0; d++, s++, l--)
- *d = g_8bpp_pal[*s];
-#endif
- }
-
- fbdev = (void *)screen->hwdata;
- g_screen_fbp = vout_fbdev_flip(fbdev);
-
- if (screen->format->BitsPerPixel != 8)
- screen->pixels = g_screen_fbp;
-
- return 0;
-}
-
-static int do_rect_clip(const SDL_Surface *s, SDL_Rect *r)
-{
- int x = r->x, y = r->y, w = r->w, h = r->h;
-
- if (x < 0) {
- w += x;
- if (w < 0)
- w = 0;
- x = 0;
- }
- if (y < 0) {
- h += y;
- if (h < 0)
- h = 0;
- y = 0;
- }
- if (x + w > s->w) {
- w = s->w - x;
- if (w < 0)
- w = 0;
- }
- if (y + h > s->h) {
- h = s->h - y;
- if (h < 0)
- h = 0;
- }
-
- r->x = x; r->y = y; r->w = w; r->h = h;
- return (w > 0 && h > 0) ? 0 : -1;
-}
-
-DECLSPEC int SDLCALL
-SDL_UpperBlit(SDL_Surface *src, SDL_Rect *srcrect,
- SDL_Surface *dst, SDL_Rect *dstrect)
-{
- int sx = 0, sy = 0, sw, sh;
- int dx = 0, dy = 0;
- SDL_Rect tmprect = { 0, };
-
- trace("%p, %p, %p, %p", src, srcrect, dst, dstrect);
-
- if (src == NULL || dst == NULL)
- return -1;
-
- if (srcrect != NULL) {
- // XXX: dst pos may need to be adjusted in some corner cases
- if (do_rect_clip(src, srcrect) < 0)
- return -1;
- sx = srcrect->x;
- sy = srcrect->y;
- sw = srcrect->w;
- sh = srcrect->h;
- } else {
- sw = src->w;
- sh = src->h;
- }
-
- if (dstrect == NULL)
- dstrect = &tmprect;
-
- // SDL just uses source w and h
- dstrect->w = sw;
- dstrect->h = sh;
- if (do_rect_clip(dst, dstrect) < 0)
- return -1;
- dx = dstrect->x;
- dy = dstrect->y;
- sw = dstrect->w;
- sh = dstrect->h;
-
- dbg("(%d %d %d %d) -> (%d %d %d %d)", sx, sy, sw, sh, dx, dy, sw, sh);
-
- if (src->format->BitsPerPixel == dst->format->BitsPerPixel) {
- int Bpp = src->format->BytesPerPixel;
- int dpitch = dst->pitch;
- int spitch = src->pitch;
- Uint8 *d = (Uint8 *)dst->pixels + dpitch * dy + dx * Bpp;
- Uint8 *s = (Uint8 *)src->pixels + spitch * sy + sx * Bpp;
-
- for (sw *= Bpp; sh > 0; d += dpitch, s += spitch, sh--)
- memcpy(d, s, sw);
- }
- else
- not_supported();
-
- return 0;
-}
-
-DECLSPEC SDL_Surface * SDLCALL
-SDL_CreateRGBSurface(Uint32 flags, int width, int height, int depth,
- Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
-{
- SDL_Surface *ret;
-
- trace("%08x, %d, %d, %d, %04x, %04x, %04x, %04x",
- flags, width, height, depth, Rmask, Gmask, Bmask, Amask);
-
- ret = alloc_surface(width, height, depth);
- if (ret == NULL)
- return NULL;
-
- ret->pixels = calloc(ret->pitch * height, 1);
- if (ret->pixels == NULL)
- goto fail;
-
- dbg("returning %p", ret);
- return ret;
-
-fail:
- free(ret);
- return NULL;
-}
-
-DECLSPEC int SDLCALL
-SDL_SetColors(SDL_Surface *surface, SDL_Color *colors, int firstcolor, int ncolors)
-{
- int i, to;
-
- trace("%p, %p, %d, %d", surface, colors, firstcolor, ncolors);
-
- if (surface != g_screen)
- return 0;
-
- to = min(ARRAY_SIZE(g_8bpp_pal), firstcolor + ncolors);
- for (i = firstcolor; i < to; i++) {
- SDL_Color *c = &colors[i - firstcolor];
- int r = c->r, g = c->g, b = c->b;
- // noiz2sa gets a good deal darker that real SDL,
- // don't know what's going on there
-/*
- if (r < 0xf8 && (r & 7) > 3) r += 8;
- if (g < 0xfc && (g & 3) > 1) g += 4;
- if (b < 0xf8 && (b & 7) > 3) b += 8;
-*/
- g_8bpp_pal[i] = ((r << 8) & 0xf800) | ((g << 3) & 0x07e0) | (b >> 3);
-// g_8bpp_pal[i] += 0x0821;
- }
-
- return 0;
-}
-
-DECLSPEC int SDLCALL
-SDL_FillRect(SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color)
-{
- trace("%p, %p, %04x", dst, dstrect, color);
-
- if (dst->format->BytesPerPixel != 1) {
- not_supported();
- return -1;
- }
- else
- memset(dst->pixels, color, dst->pitch * dst->h);
-
- return 0;
-}
-
-/*
-DECLSPEC SDL_Surface * SDLCALL
-SDL_CreateRGBSurfaceFrom(void *pixels, int width, int height, int depth, int pitch,
- Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask)
-{
-}
-*/
-
-DECLSPEC SDL_RWops * SDLCALL
-SDL_RWFromFile(const char *file, const char *mode)
-{
- SDL_RWops *ret;
- FILE *f;
-
- trace("%s, %s", file, mode);
-
- f = fopen(file, mode);
- if (f == NULL)
- return NULL;
-
- ret = calloc(1, sizeof(*ret));
- if (ret == NULL) {
- fclose(f);
- return NULL;
- }
- ret->hidden.stdio.fp = f;
-
- return ret;
-}
-
-DECLSPEC void SDLCALL
-SDL_FreeRW(SDL_RWops *area)
-{
- if (area->hidden.stdio.fp) {
- fclose(area->hidden.stdio.fp);
- area->hidden.stdio.fp = NULL;
- }
- free(area);
-}
-
-DECLSPEC SDL_Surface * SDLCALL
-SDL_LoadBMP_RW(SDL_RWops *src, int freesrc)
-{
- struct bmp_dib_v3 {
- unsigned char magic[2];
- uint32_t filesz;
- uint16_t creator1;
- uint16_t creator2;
- uint32_t bmp_offset;
- uint32_t header_sz;
- int32_t width;
- int32_t height;
- uint16_t nplanes;
- uint16_t bitspp;
- uint32_t compress_type;
- uint32_t bmp_bytesz;
- int32_t hres;
- int32_t vres;
- uint32_t ncolors;
- uint32_t nimpcolors;
- } __attribute__((packed)) bmp;
- SDL_Surface *ret = NULL;
- int data_size, read_size;
- uint8_t *tmp_buf = NULL;
- int i, bytespp;
- FILE *f;
-
- trace("%p, %d", src, freesrc);
-
- f = src->hidden.stdio.fp;
- if (f == NULL)
- goto out;
-
- if (fread(&bmp, 1, sizeof(bmp), f) != sizeof(bmp)) {
- err("bmp read error");
- goto out;
- }
-
- if (bmp.magic[0] != 'B' || bmp.magic[1] != 'M' || bmp.header_sz != 40) {
- err("unhandled BMP format, sz=%d", bmp.header_sz);
- goto out;
- }
-
- if ((unsigned)bmp.width > 0xffff || (unsigned)bmp.height > 0xffff) {
- err("BMP size %dx%d out of range", bmp.width, bmp.height);
- goto out;
- }
-
- if (bmp.bitspp != 4) {
- err("BMP unhandled bpp: %d", bmp.bitspp);
- goto out;
- }
-
- bytespp = bmp.bitspp < 8 ? 1 : (bmp.bitspp + 7) / 8;
- data_size = bmp.width * bmp.height * bytespp;
- tmp_buf = malloc(data_size);
- if (tmp_buf == NULL)
- goto out;
-
- if (fseek(f, bmp.bmp_offset, SEEK_SET) != 0) {
- err("BMP seek error");
- goto out;
- }
-
- read_size = bmp.width * bmp.bitspp / 8;
- for (i = bmp.height - 1; i > 0; i--) {
- if (fread((char *)tmp_buf + i * read_size, 1, read_size, f) != read_size) {
- err("BMP read error");
- goto out;
- }
- }
-
- if (bmp.bitspp == 4) {
- // just convert to 8bpp now
- int c = bmp.width * bmp.height / 2;
- uint8_t *p = tmp_buf;
- for (i = c - 1; i >= 0; i--) {
- p[i * 2 + 1] = p[i] & 0xf;
- p[i * 2] = p[i] >> 4;
- }
- }
-
- ret = alloc_surface(bmp.width, bmp.height, 8);
- if (ret == NULL)
- goto out;
-
- ret->pixels = tmp_buf;
- tmp_buf = NULL;
-
-out:
- if (tmp_buf != NULL)
- free(tmp_buf);
- if (freesrc)
- SDL_FreeRW(src);
-
- return ret;
-}
-
-DECLSPEC SDL_Surface * SDLCALL
-SDL_ConvertSurface(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags)
-{
- SDL_Surface *ret;
- void *data;
-
- trace("%p, %p, %08x", src, fmt, flags);
-
- if (src->format->BitsPerPixel != fmt->BitsPerPixel) {
- err("convert: not implemented");
- return NULL;
- }
-
- data = malloc(src->pitch * src->h);
- if (data == NULL)
- return NULL;
- memcpy(data, src->pixels, src->pitch * src->h);
-
- ret = alloc_surface(src->w, src->h, fmt->BitsPerPixel);
- if (ret == NULL) {
- free(data);
- return NULL;
- }
- ret->pixels = data;
- return ret;
-}
-
-DECLSPEC int SDLCALL
-SDL_SetColorKey(SDL_Surface *surface, Uint32 flag, Uint32 key)
-{
- trace("%p, %08x, %04x", surface, flag, key);
- return 0;
-}
-
-DECLSPEC void SDLCALL
-SDL_WM_SetCaption(const char *title, const char *icon)
-{
- trace("%s, %s", title, icon);
-}
-
-DECLSPEC int SDLCALL
-SDL_ShowCursor(int toggle)
-{
- trace("%d", toggle);
- return 0;
-}
-
-DECLSPEC char * SDLCALL
-SDL_GetError(void)
-{
- trace("");
-
- return "";
-}
-
notaz.gp2x.de / sdl_omap.git / blobdiff