From b60f2812208aa36dc8b9e8e90f02b608dafd0c00 Mon Sep 17 00:00:00 2001 From: notaz Date: Fri, 19 Nov 2010 01:56:51 +0200 Subject: [PATCH] fbdev output for xvideo, basic ARM build --- .gitignore | 1 + Makefile | 19 ++- frontend/X11/keysym.h | 24 ++++ frontend/linux/fbdev.c | 240 +++++++++++++++++++++++++++++++++++ frontend/linux/fbdev.h | 12 ++ frontend/main.c | 21 ++- frontend/plugin_lib.c | 54 ++++++++ frontend/plugin_lib.h | 7 + plugins/dfxvideo/draw_fb.c | 143 +++++++++++++++++++++ plugins/dfxvideo/externals.h | 2 +- 10 files changed, 510 insertions(+), 13 deletions(-) create mode 100644 frontend/X11/keysym.h create mode 100644 frontend/linux/fbdev.c create mode 100644 frontend/linux/fbdev.h create mode 100644 frontend/plugin_lib.c create mode 100644 frontend/plugin_lib.h create mode 100644 plugins/dfxvideo/draw_fb.c diff --git a/.gitignore b/.gitignore index 3c2904ed..645bb348 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,4 @@ *.o +frontend/linux tags cscope.out diff --git a/Makefile b/Makefile index 50b7b60d..0dd79eea 100644 --- a/Makefile +++ b/Makefile @@ -1,9 +1,12 @@ -CROSS_COMPILE= +#CROSS_COMPILE= CC = $(CROSS_COMPILE)gcc LD = $(CROSS_COMPILE)ld CFLAGS += -Wall -ggdb -Ifrontend LDFLAGS += -lz -lpthread -ldl +ifdef CROSS_COMPILE +CFLAGS += -O2 -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=softfp -ffast-math +endif TARGET = pcsx all: $(TARGET) @@ -21,14 +24,20 @@ OBJS += plugins/dfsound/adsr.o plugins/dfsound/dma.o plugins/dfsound/oss.o plugi plugins/dfsound/spu.o # gpu OBJS += plugins/dfxvideo/cfg.o plugins/dfxvideo/fps.o plugins/dfxvideo/key.o plugins/dfxvideo/prim.o \ - plugins/dfxvideo/zn.o plugins/dfxvideo/draw.o plugins/dfxvideo/gpu.o plugins/dfxvideo/menu.o \ - plugins/dfxvideo/soft.o -LDFLAGS += -lz -lpthread -lX11 -lXv + plugins/dfxvideo/gpu.o plugins/dfxvideo/menu.o plugins/dfxvideo/soft.o plugins/dfxvideo/zn.o +ifdef X11 +LDFLAGS += -lX11 -lXv +OBJS += plugins/dfxvideo/draw.o +else +CFLAGS += -D_MACGL # disables X in dfxvideo +OBJS += plugins/dfxvideo/draw_fb.o +endif # gui OBJS += gui/Config.o gui/Plugin.o -OBJS += frontend/main.o frontend/plugin.o +OBJS += frontend/main.o frontend/plugin.o frontend/plugin_lib.o +OBJS += frontend/linux/fbdev.o $(TARGET): $(OBJS) $(CC) -o $@ $^ $(LDFLAGS) diff --git a/frontend/X11/keysym.h b/frontend/X11/keysym.h new file mode 100644 index 00000000..31ad4610 --- /dev/null +++ b/frontend/X11/keysym.h @@ -0,0 +1,24 @@ + +#define XK_Return 0xff0d /* Return, enter */ +#define XK_Escape 0xff1b +#define XK_Control_L 0xffe3 /* Left control */ +#define XK_Control_R 0xffe4 /* Right control */ +#define XK_Alt_L 0xffe9 /* Left alt */ +#define XK_Alt_R 0xffea /* Right alt */ +#define XK_0 0x0030 /* U+0030 DIGIT ZERO */ +#define XK_1 0x0031 /* U+0031 DIGIT ONE */ +#define XK_2 0x0032 /* U+0032 DIGIT TWO */ +#define XK_3 0x0033 /* U+0033 DIGIT THREE */ +#define XK_4 0x0034 /* U+0034 DIGIT FOUR */ +#define XK_5 0x0035 /* U+0035 DIGIT FIVE */ +#define XK_F1 0xffbe +#define XK_F2 0xffbf +#define XK_F3 0xffc0 +#define XK_F4 0xffc1 +#define XK_F5 0xffc2 +#define XK_F6 0xffc3 +#define XK_F7 0xffc4 +#define XK_F8 0xffc5 +#define XK_F9 0xffc6 +#define XK_F10 0xffc7 + diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c new file mode 100644 index 00000000..6ae0c771 --- /dev/null +++ b/frontend/linux/fbdev.c @@ -0,0 +1,240 @@ +/* + * (C) Gražvydas "notaz" Ignotas, 2009-2010 + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING file in the top-level directory. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "fbdev.h" + +#define FBDEV_MAX_BUFFERS 3 + +struct vout_fbdev { + int fd; + void *mem; + size_t mem_size; + struct fb_var_screeninfo fbvar_old; + struct fb_var_screeninfo fbvar_new; + int buffer_write; + int fb_size; + int buffer_count; + int top_border, bottom_border; +}; + +void *vout_fbdev_flip(struct vout_fbdev *fbdev) +{ + int draw_buf; + + if (fbdev->buffer_count < 2) + return fbdev->mem; + + draw_buf = fbdev->buffer_write; + fbdev->buffer_write++; + if (fbdev->buffer_write >= fbdev->buffer_count) + fbdev->buffer_write = 0; + + fbdev->fbvar_new.yoffset = + (fbdev->top_border + fbdev->fbvar_new.yres + fbdev->bottom_border) * draw_buf + + fbdev->top_border; + + ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new); + + return (char *)fbdev->mem + fbdev->fb_size * fbdev->buffer_write; +} + +void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev) +{ + int arg = 0; + ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg); +} + +int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, + int left_border, int right_border, int top_border, int bottom_border, int no_dblbuf) +{ + int w_total = left_border + w + right_border; + int h_total = top_border + h + bottom_border; + size_t mem_size; + int ret; + + // unblank to be sure the mode is really accepted + ioctl(fbdev->fd, FBIOBLANK, FB_BLANK_UNBLANK); + + if (fbdev->fbvar_new.bits_per_pixel != 16 || + w != fbdev->fbvar_new.xres || + h != fbdev->fbvar_new.yres || + w_total != fbdev->fbvar_new.xres_virtual || + h_total > fbdev->fbvar_new.yres_virtual || + left_border != fbdev->fbvar_new.xoffset) { + fbdev->fbvar_new.xres = w; + fbdev->fbvar_new.yres = h; + fbdev->fbvar_new.xres_virtual = w_total; + fbdev->fbvar_new.yres_virtual = h_total; + fbdev->fbvar_new.xoffset = left_border; + fbdev->fbvar_new.bits_per_pixel = 16; + printf(" switching to %dx%d@16\n", w, h); + ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); + if (ret == -1) { + perror("FBIOPUT_VSCREENINFO ioctl"); + return -1; + } + } + + fbdev->buffer_count = FBDEV_MAX_BUFFERS; // be optimistic + if (no_dblbuf) + fbdev->buffer_count = 1; + + if (fbdev->fbvar_new.yres_virtual < h_total * fbdev->buffer_count) { + fbdev->fbvar_new.yres_virtual = h_total * fbdev->buffer_count; + ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); + if (ret == -1) { + fbdev->buffer_count = 1; + fprintf(stderr, "Warning: failed to increase virtual resolution, " + "doublebuffering disabled\n"); + } + } + + fbdev->fb_size = w_total * h_total * 2; + fbdev->top_border = top_border; + fbdev->bottom_border = bottom_border; + + mem_size = fbdev->fb_size * fbdev->buffer_count; + if (fbdev->mem_size >= mem_size) + return 0; + + if (fbdev->mem != NULL) + munmap(fbdev->mem, fbdev->mem_size); + + fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0); + if (fbdev->mem == MAP_FAILED && fbdev->buffer_count > 1) { + fprintf(stderr, "Warning: can't map %zd bytes, doublebuffering disabled\n", fbdev->mem_size); + fbdev->buffer_count = 1; + mem_size = fbdev->fb_size; + fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0); + } + if (fbdev->mem == MAP_FAILED) { + fbdev->mem = NULL; + fbdev->mem_size = 0; + perror("mmap framebuffer"); + return -1; + } + + fbdev->mem_size = mem_size; + return 0; +} + +void vout_fbdev_clear(struct vout_fbdev *fbdev) +{ + memset(fbdev->mem, 0, fbdev->mem_size); +} + +void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count) +{ + int stride = fbdev->fbvar_new.xres_virtual * fbdev->fbvar_new.bits_per_pixel / 8; + int i; + + if (y + count > fbdev->top_border + fbdev->fbvar_new.yres) + count = fbdev->top_border + fbdev->fbvar_new.yres - y; + + if (y >= 0 && count > 0) + for (i = 0; i < fbdev->buffer_count; i++) + memset((char *)fbdev->mem + fbdev->fb_size * i + y * stride, 0, stride * count); +} + +int vout_fbdev_get_fd(struct vout_fbdev *fbdev) +{ + return fbdev->fd; +} + +struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf) +{ + struct vout_fbdev *fbdev; + int req_w, req_h; + int ret; + + fbdev = calloc(1, sizeof(*fbdev)); + if (fbdev == NULL) + return NULL; + + fbdev->fd = open(fbdev_name, O_RDWR); + if (fbdev->fd == -1) { + fprintf(stderr, "%s: ", fbdev_name); + perror("open"); + goto fail_open; + } + + ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old); + if (ret == -1) { + perror("FBIOGET_VSCREENINFO ioctl"); + goto fail; + } + + fbdev->fbvar_new = fbdev->fbvar_old; + + req_w = fbdev->fbvar_new.xres; + if (*w != 0) + req_w = *w; + req_h = fbdev->fbvar_new.yres; + if (*h != 0) + req_h = *h; + + ret = vout_fbdev_resize(fbdev, req_w, req_h, 0, 0, 0, 0, no_dblbuf); + if (ret != 0) + goto fail; + + printf("%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_new.xres, fbdev->fbvar_new.yres, + fbdev->fbvar_new.bits_per_pixel); + *w = fbdev->fbvar_new.xres; + *h = fbdev->fbvar_new.yres; + + memset(fbdev->mem, 0, fbdev->mem_size); + + // some checks + ret = 0; + ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret); + if (ret != 0) + fprintf(stderr, "Warning: vsync doesn't seem to be supported\n"); + + if (fbdev->buffer_count > 1) { + fbdev->buffer_write = 0; + fbdev->fbvar_new.yoffset = fbdev->fbvar_new.yres * (fbdev->buffer_count - 1); + ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new); + if (ret != 0) { + fbdev->buffer_count = 1; + fprintf(stderr, "Warning: can't pan display, doublebuffering disabled\n"); + } + } + + printf("fbdev initialized.\n"); + return fbdev; + +fail: + close(fbdev->fd); +fail_open: + free(fbdev); + return NULL; +} + +void vout_fbdev_finish(struct vout_fbdev *fbdev) +{ + ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_old); + if (fbdev->mem != MAP_FAILED) + munmap(fbdev->mem, fbdev->mem_size); + if (fbdev->fd >= 0) + close(fbdev->fd); + fbdev->mem = NULL; + fbdev->fd = -1; + free(fbdev); +} + diff --git a/frontend/linux/fbdev.h b/frontend/linux/fbdev.h new file mode 100644 index 00000000..fa163aa8 --- /dev/null +++ b/frontend/linux/fbdev.h @@ -0,0 +1,12 @@ +struct vout_fbdev; + +struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf); +void *vout_fbdev_flip(struct vout_fbdev *fbdev); +void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev); +int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, + int left_border, int right_border, int top_border, int bottom_border, + int no_dblbuf); +void vout_fbdev_clear(struct vout_fbdev *fbdev); +void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count); +int vout_fbdev_get_fd(struct vout_fbdev *fbdev); +void vout_fbdev_finish(struct vout_fbdev *fbdev); diff --git a/frontend/main.c b/frontend/main.c index 6ee0b2f0..e36ad481 100644 --- a/frontend/main.c +++ b/frontend/main.c @@ -18,6 +18,7 @@ #include "../libpcsxcore/misc.h" int UseGui; +static char *(*real_getenv)(const char *name); static void make_path(char *buf, size_t size, const char *dir, const char *fname) { @@ -67,8 +68,18 @@ int main(int argc, char *argv[]) char path[MAXPATHLEN]; int runcd = 0; int loadst = 0; + void *tmp; int i; + tmp = dlopen("/lib/libdl.so.2", RTLD_LAZY); + if (tmp != NULL) + real_getenv = dlsym(tmp, "getenv"); + if (real_getenv == NULL) { + fprintf(stderr, "%s\n", dlerror()); + return 1; + } + dlclose(tmp); + // what is the name of the config file? // it may be redefined by -cfg on the command line strcpy(cfgfile_basename, "pcsx.cfg"); @@ -376,14 +387,10 @@ char *getenv(const char *name) { static char ret[8] = "."; - // HACK - if (name && strcmp(name, "DISPLAY") == 0) - return ":0"; - - if (name && strcmp(name, "HOME") != 0) - fprintf(stderr, "getenv called with %s\n", name); + if (name && strcmp(name, "HOME") == 0) + return ret; - return ret; + return real_getenv(name); } #endif diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c new file mode 100644 index 00000000..5fd80cd7 --- /dev/null +++ b/frontend/plugin_lib.c @@ -0,0 +1,54 @@ +/* + * (C) notaz, 2010 + * + * This work is licensed under the terms of the GNU GPLv2 or later. + * See the COPYING file in the top-level directory. + */ + +#include +#include + +#include "linux/fbdev.h" + +static struct vout_fbdev *fbdev; +void *pl_fbdev_buf; + +int pl_fbdev_init(void) +{ + const char *fbdev_name; + int w, h; + + fbdev_name = getenv("FBDEV"); + if (fbdev_name == NULL) + fbdev_name = "/dev/fb0"; + + w = 640; + h = 512; // ?? + fbdev = vout_fbdev_init(fbdev_name, &w, &h, 0); + if (fbdev == NULL) + return -1; + + pl_fbdev_buf = vout_fbdev_flip(fbdev); + + return 0; +} + +int pl_fbdev_set_mode(int w, int h, int bpp) +{ + printf("set mode %dx%d@%d\n", w, h, bpp); + return vout_fbdev_resize(fbdev, w, h, 0, 0, 0, 0, 0); +} + +void *pl_fbdev_flip(void) +{ + pl_fbdev_buf = vout_fbdev_flip(fbdev); + return pl_fbdev_buf; +} + +void pl_fbdev_finish(void) +{ + if (fbdev != NULL) + vout_fbdev_finish(fbdev); + fbdev = NULL; +} + diff --git a/frontend/plugin_lib.h b/frontend/plugin_lib.h new file mode 100644 index 00000000..03afc861 --- /dev/null +++ b/frontend/plugin_lib.h @@ -0,0 +1,7 @@ + +extern void *pl_fbdev_buf; + +int pl_fbdev_init(void); +int pl_fbdev_set_mode(int w, int h, int bpp); +void *pl_fbdev_flip(void); +void pl_fbdev_finish(void); diff --git a/plugins/dfxvideo/draw_fb.c b/plugins/dfxvideo/draw_fb.c new file mode 100644 index 00000000..39be291c --- /dev/null +++ b/plugins/dfxvideo/draw_fb.c @@ -0,0 +1,143 @@ +/* + * (C) notaz, 2010 + * + * This work is licensed under the terms of the GNU GPLv2 or later. + * See the COPYING file in the top-level directory. + */ + +#define _IN_DRAW + +#include "externals.h" +#include "gpu.h" +#include "draw.h" +#include "prim.h" +#include "menu.h" +#include "interp.h" +#include "swap.h" + +#include "plugin_lib.h" + +// misc globals +int iResX; +int iResY; +long lLowerpart; +BOOL bIsFirstFrame = TRUE; +BOOL bCheckMask = FALSE; +unsigned short sSetMask = 0; +unsigned long lSetMask = 0; +int iDesktopCol = 16; +int iShowFPS = 0; +int iWinSize; +int iMaintainAspect = 0; +int iUseNoStretchBlt = 0; +int iFastFwd = 0; +int iFVDisplay = 0; +PSXPoint_t ptCursorPoint[8]; +unsigned short usCursorActive = 0; +char * pCaptionText; + + +static void blit(void) +{ + int x = PSXDisplay.DisplayPosition.x; + int y = PSXDisplay.DisplayPosition.y; + int w = PreviousPSXDisplay.Range.x1; + int h = PreviousPSXDisplay.DisplayMode.y; + int pitch = PreviousPSXDisplay.DisplayMode.x * 2; + unsigned char *dest = pl_fbdev_buf; + + // TODO: clear border if centering + + // account for centering + h -= PreviousPSXDisplay.Range.y0; + dest += PreviousPSXDisplay.Range.y0 / 2 * pitch; + dest += PreviousPSXDisplay.Range.x0 * 2; // XXX + + { + unsigned short *srcs = psxVuw + y * 1024 + x; + for (; h-- > 0; dest += pitch, srcs += 1024) + { + memcpy(dest, srcs, w * 2); + } + } +} + +static int fbw, fbh, fb24bpp; + +void DoBufferSwap(void) +{ + static float fps_old; + if (PSXDisplay.DisplayMode.x == 0 || PSXDisplay.DisplayMode.y == 0) + return; + + if (PSXDisplay.DisplayMode.x != fbw || PSXDisplay.DisplayMode.y != fbh + || PSXDisplay.RGB24 != fb24bpp) { + fbw = PSXDisplay.DisplayMode.x; + fbh = PSXDisplay.DisplayMode.y; + fb24bpp = PSXDisplay.RGB24; + pl_fbdev_set_mode(fbw, fbh, fb24bpp ? 24 : 16); + } + + if (fps_cur != fps_old) { + printf("%2.1f\n", fps_cur); + fps_old = fps_cur; + } + + blit(); + pl_fbdev_flip(); +} + +void DoClearScreenBuffer(void) // CLEAR DX BUFFER +{ +} + +void DoClearFrontBuffer(void) // CLEAR DX BUFFER +{ +} + +static int initialize(void) +{ + iDesktopCol=32; + + bUsingTWin=FALSE; + bIsFirstFrame = FALSE; // done + + if(iShowFPS) + { + iShowFPS=0; + ulKeybits|=KEY_SHOWFPS; + szDispBuf[0]=0; + BuildDispMenu(0); + } + + return 0; +} + +unsigned long ulInitDisplay(void) +{ + iShowFPS=1; + initialize(); + + if (pl_fbdev_init() != 0) + return 0; + + return 1; /* ok */ +} + +void CloseDisplay(void) +{ + CloseMenu(); + pl_fbdev_finish(); +} + +void CreatePic(unsigned char * pMem) +{ +} + +void DestroyPic(void) +{ +} + +void HandleKey(int keycode) +{ +} diff --git a/plugins/dfxvideo/externals.h b/plugins/dfxvideo/externals.h index 2c29faf2..89c48bfe 100644 --- a/plugins/dfxvideo/externals.h +++ b/plugins/dfxvideo/externals.h @@ -64,9 +64,9 @@ #ifndef _MACGL #include #include +#include #endif #include -#include #include ///////////////////////////////////////////////////////////////////////////// -- 2.39.2