diff options
| -rw-r--r-- | src/gallium/state_trackers/egl/fbdev/native_fbdev.c | 334 | ||||
| -rw-r--r-- | src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.c | 71 | ||||
| -rw-r--r-- | src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.h | 9 |
3 files changed, 241 insertions, 173 deletions
diff --git a/src/gallium/state_trackers/egl/fbdev/native_fbdev.c b/src/gallium/state_trackers/egl/fbdev/native_fbdev.c index 49e3728535d..6772d379f73 100644 --- a/src/gallium/state_trackers/egl/fbdev/native_fbdev.c +++ b/src/gallium/state_trackers/egl/fbdev/native_fbdev.c @@ -26,6 +26,21 @@ * Chia-I Wu <[email protected]> */ +/** + * Considering fbdev as an in-kernel window system, + * + * - opening a device opens a connection + * - there is only one window: the framebuffer + * - fb_var_screeninfo decides window position, size, and even color format + * - there is no pixmap + * + * Now EGL is built on top of this window system. So we should have + * + * - the fd as the handle of the native display + * - reject all but one native window: NULL + * - no pixmap support + */ + #include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.h> @@ -48,13 +63,10 @@ struct fbdev_display { const struct native_event_handler *event_handler; struct fb_fix_screeninfo finfo; - struct fb_var_screeninfo vinfo; - + struct fb_var_screeninfo config_vinfo; struct native_config config; - struct native_connector connector; - struct native_mode mode; - struct fbdev_surface *current_surface; + boolean assume_fixed_vinfo; }; struct fbdev_surface { @@ -66,7 +78,7 @@ struct fbdev_surface { unsigned int sequence_number; - boolean is_current; + struct fbdev_sw_drawable drawable; }; static INLINE struct fbdev_display * @@ -103,38 +115,70 @@ fbdev_surface_validate(struct native_surface *nsurf, uint attachment_mask, return TRUE; } -static boolean -fbdev_surface_flush_frontbuffer(struct native_surface *nsurf) +static enum pipe_format +vinfo_to_format(const struct fb_var_screeninfo *vinfo) { - struct fbdev_surface *fbsurf = fbdev_surface(nsurf); + enum pipe_format format = PIPE_FORMAT_NONE; - if (!fbsurf->is_current) - return TRUE; + /* should also check channel offsets... */ + switch (vinfo->bits_per_pixel) { + case 32: + if (vinfo->red.length == 8 && + vinfo->green.length == 8 && + vinfo->blue.length == 8) { + format = (vinfo->transp.length == 8) ? + PIPE_FORMAT_B8G8R8A8_UNORM : PIPE_FORMAT_B8G8R8X8_UNORM; + } + break; + case 16: + if (vinfo->red.length == 5 && + vinfo->green.length == 6 && + vinfo->blue.length == 5 && + vinfo->transp.length == 0) + format = PIPE_FORMAT_B5G6R5_UNORM; + break; + default: + break; + } - return resource_surface_present(fbsurf->rsurf, - NATIVE_ATTACHMENT_FRONT_LEFT, NULL); + return format; } static boolean -fbdev_surface_swap_buffers(struct native_surface *nsurf) +fbdev_surface_update_drawable(struct native_surface *nsurf, + const struct fb_var_screeninfo *vinfo) { struct fbdev_surface *fbsurf = fbdev_surface(nsurf); - struct fbdev_display *fbdpy = fbsurf->fbdpy; - boolean ret = TRUE; - - if (fbsurf->is_current) { - ret = resource_surface_present(fbsurf->rsurf, - NATIVE_ATTACHMENT_BACK_LEFT, NULL); + unsigned x, y, width, height; + + x = vinfo->xoffset; + y = vinfo->yoffset; + width = MIN2(vinfo->xres, fbsurf->width); + height = MIN2(vinfo->yres, fbsurf->height); + + /* sanitize the values */ + if (x + width > vinfo->xres_virtual) { + if (x > vinfo->xres_virtual) + width = 0; + else + width = vinfo->xres_virtual - x; + } + if (y + height > vinfo->yres_virtual) { + if (y > vinfo->yres_virtual) + height = 0; + else + height = vinfo->yres_virtual - y; } - resource_surface_swap_buffers(fbsurf->rsurf, - NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, TRUE); - /* the front/back textures are swapped */ - fbsurf->sequence_number++; - fbdpy->event_handler->invalid_surface(&fbdpy->base, - &fbsurf->base, fbsurf->sequence_number); + fbsurf->drawable.format = vinfo_to_format(vinfo); + fbsurf->drawable.x = vinfo->xoffset; + fbsurf->drawable.y = vinfo->yoffset; + fbsurf->drawable.width = vinfo->xres; + fbsurf->drawable.height = vinfo->yres; - return ret; + return (fbsurf->drawable.format != PIPE_FORMAT_NONE && + fbsurf->drawable.width && + fbsurf->drawable.height); } static boolean @@ -143,21 +187,43 @@ fbdev_surface_present(struct native_surface *nsurf, boolean preserve, uint swap_interval) { - boolean ret; + struct fbdev_surface *fbsurf = fbdev_surface(nsurf); + struct fbdev_display *fbdpy = fbsurf->fbdpy; + boolean ret = FALSE; - if (preserve || swap_interval) + if (swap_interval) + return FALSE; + if (natt != NATIVE_ATTACHMENT_BACK_LEFT) return FALSE; - switch (natt) { - case NATIVE_ATTACHMENT_FRONT_LEFT: - ret = fbdev_surface_flush_frontbuffer(nsurf); - break; - case NATIVE_ATTACHMENT_BACK_LEFT: - ret = fbdev_surface_swap_buffers(nsurf); - break; - default: - ret = FALSE; - break; + if (!fbdpy->assume_fixed_vinfo) { + struct fb_var_screeninfo vinfo; + + memset(&vinfo, 0, sizeof(vinfo)); + if (ioctl(fbdpy->fd, FBIOGET_VSCREENINFO, &vinfo)) + return FALSE; + + /* present the surface */ + if (fbdev_surface_update_drawable(&fbsurf->base, &vinfo)) { + ret = resource_surface_present(fbsurf->rsurf, + natt, (void *) &fbsurf->drawable); + } + + fbsurf->width = vinfo.xres; + fbsurf->height = vinfo.yres; + + if (resource_surface_set_size(fbsurf->rsurf, + fbsurf->width, fbsurf->height)) { + /* surface resized */ + fbsurf->sequence_number++; + fbdpy->event_handler->invalid_surface(&fbdpy->base, + &fbsurf->base, fbsurf->sequence_number); + } + } + else { + /* the drawable never changes */ + ret = resource_surface_present(fbsurf->rsurf, + natt, (void *) &fbsurf->drawable); } return ret; @@ -179,26 +245,48 @@ fbdev_surface_destroy(struct native_surface *nsurf) } static struct native_surface * -fbdev_display_create_scanout_surface(struct native_display *ndpy, - const struct native_config *nconf, - uint width, uint height) +fbdev_display_create_window_surface(struct native_display *ndpy, + EGLNativeWindowType win, + const struct native_config *nconf) { struct fbdev_display *fbdpy = fbdev_display(ndpy); struct fbdev_surface *fbsurf; + struct fb_var_screeninfo vinfo; + + /* there is only one native window: NULL */ + if (win) + return NULL; fbsurf = CALLOC_STRUCT(fbdev_surface); if (!fbsurf) return NULL; fbsurf->fbdpy = fbdpy; - fbsurf->width = width; - fbsurf->height = height; + + /* get current vinfo */ + if (fbdpy->assume_fixed_vinfo) { + vinfo = fbdpy->config_vinfo; + } + else { + memset(&vinfo, 0, sizeof(vinfo)); + if (ioctl(fbdpy->fd, FBIOGET_VSCREENINFO, &vinfo)) { + FREE(fbsurf); + return NULL; + } + } + + fbsurf->width = vinfo.xres; + fbsurf->height = vinfo.yres; + + if (!fbdev_surface_update_drawable(&fbsurf->base, &vinfo)) { + FREE(fbsurf); + return NULL; + } fbsurf->rsurf = resource_surface_create(fbdpy->base.screen, nconf->color_format, PIPE_BIND_RENDER_TARGET | - PIPE_BIND_DISPLAY_TARGET | - PIPE_BIND_SCANOUT); + PIPE_BIND_DISPLAY_TARGET); if (!fbsurf->rsurf) { FREE(fbsurf); return NULL; @@ -214,42 +302,43 @@ fbdev_display_create_scanout_surface(struct native_display *ndpy, return &fbsurf->base; } +static struct native_surface * +fbdev_display_create_scanout_surface(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height) +{ + return fbdev_display_create_window_surface(ndpy, + (EGLNativeWindowType) NULL, nconf); +} + static boolean fbdev_display_program(struct native_display *ndpy, int crtc_idx, struct native_surface *nsurf, uint x, uint y, const struct native_connector **nconns, int num_nconns, const struct native_mode *nmode) { - struct fbdev_display *fbdpy = fbdev_display(ndpy); - struct fbdev_surface *fbsurf = fbdev_surface(nsurf); - - if (x || y) - return FALSE; - - if (fbdpy->current_surface) { - if (fbdpy->current_surface == fbsurf) - return TRUE; - fbdpy->current_surface->is_current = FALSE; - } - - if (fbsurf) - fbsurf->is_current = TRUE; - fbdpy->current_surface = fbsurf; - return TRUE; } static const struct native_mode ** fbdev_display_get_modes(struct native_display *ndpy, - const struct native_connector *nconn, - int *num_modes) + const struct native_connector *nconn, + int *num_modes) { - struct fbdev_display *fbdpy = fbdev_display(ndpy); + static struct native_mode mode; const struct native_mode **modes; + if (!mode.desc) { + struct fbdev_display *fbdpy = fbdev_display(ndpy); + mode.desc = "Current Mode"; + mode.width = fbdpy->config_vinfo.xres; + mode.height = fbdpy->config_vinfo.yres; + mode.refresh_rate = 60 * 1000; /* dummy */ + } + modes = MALLOC(sizeof(*modes)); if (modes) { - modes[0] = &fbdpy->mode; + modes[0] = &mode; if (num_modes) *num_modes = 1; } @@ -261,12 +350,12 @@ static const struct native_connector ** fbdev_display_get_connectors(struct native_display *ndpy, int *num_connectors, int *num_crtc) { - struct fbdev_display *fbdpy = fbdev_display(ndpy); + static struct native_connector connector; const struct native_connector **connectors; connectors = MALLOC(sizeof(*connectors)); if (connectors) { - connectors[0] = &fbdpy->connector; + connectors[0] = &connector; if (num_connectors) *num_connectors = 1; } @@ -274,7 +363,8 @@ fbdev_display_get_connectors(struct native_display *ndpy, int *num_connectors, return connectors; } -static struct native_display_modeset fbdev_display_modeset = { +/* remove modeset support one day! */ +static const struct native_display_modeset fbdev_display_modeset = { .get_connectors = fbdev_display_get_connectors, .get_modes = fbdev_display_get_modes, .create_scanout_surface = fbdev_display_create_scanout_surface, @@ -304,8 +394,10 @@ fbdev_display_get_param(struct native_display *ndpy, int val; switch (param) { - case NATIVE_PARAM_USE_NATIVE_BUFFER: case NATIVE_PARAM_PRESERVE_BUFFER: + val = 1; + break; + case NATIVE_PARAM_USE_NATIVE_BUFFER: case NATIVE_PARAM_MAX_SWAP_INTERVAL: default: val = 0; @@ -326,79 +418,12 @@ fbdev_display_destroy(struct native_display *ndpy) } static boolean -fbdev_display_init_modes(struct native_display *ndpy) -{ - struct fbdev_display *fbdpy = fbdev_display(ndpy); - struct native_mode *nmode = &fbdpy->mode; - - nmode->desc = "Current Mode"; - nmode->width = fbdpy->vinfo.xres; - nmode->height = fbdpy->vinfo.yres; - nmode->refresh_rate = 60 * 1000; /* dummy */ - - return TRUE; -} - -static boolean -fbdev_display_init_connectors(struct native_display *ndpy) -{ - return TRUE; -} - -static enum pipe_format -vinfo_to_format(const struct fb_var_screeninfo *vinfo) -{ - enum pipe_format format = PIPE_FORMAT_NONE; - - switch (vinfo->bits_per_pixel) { - case 32: - if (vinfo->red.length == 8 && - vinfo->green.length == 8 && - vinfo->blue.length == 8) { - format = (vinfo->transp.length == 8) ? - PIPE_FORMAT_B8G8R8A8_UNORM : PIPE_FORMAT_B8G8R8X8_UNORM; - } - break; - case 16: - if (vinfo->red.length == 5 && - vinfo->green.length == 6 && - vinfo->blue.length == 5 && - vinfo->transp.length == 0) - format = PIPE_FORMAT_B5G6R5_UNORM; - break; - default: - break; - } - - return format; -} - -static boolean -fbdev_display_init_configs(struct native_display *ndpy) -{ - struct fbdev_display *fbdpy = fbdev_display(ndpy); - struct native_config *nconf = &fbdpy->config; - - nconf->color_format = vinfo_to_format(&fbdpy->vinfo); - if (nconf->color_format == PIPE_FORMAT_NONE) - return FALSE; - - nconf->buffer_mask = - (1 << NATIVE_ATTACHMENT_FRONT_LEFT) | - (1 << NATIVE_ATTACHMENT_BACK_LEFT); - - nconf->scanout_bit = TRUE; - - return TRUE; -} - -static boolean fbdev_display_init_screen(struct native_display *ndpy) { struct fbdev_display *fbdpy = fbdev_display(ndpy); struct sw_winsys *ws; - ws = fbdev_create_sw_winsys(fbdpy->fd, fbdpy->config.color_format); + ws = fbdev_create_sw_winsys(fbdpy->fd); if (!ws) return FALSE; @@ -420,6 +445,26 @@ fbdev_display_init_screen(struct native_display *ndpy) return TRUE; } +static boolean +fbdev_display_init_config(struct native_display *ndpy) +{ + struct fbdev_display *fbdpy = fbdev_display(ndpy); + struct native_config *nconf = &fbdpy->config; + + if (ioctl(fbdpy->fd, FBIOGET_VSCREENINFO, &fbdpy->config_vinfo)) + return FALSE; + + nconf->color_format = vinfo_to_format(&fbdpy->config_vinfo); + if (nconf->color_format == PIPE_FORMAT_NONE) + return FALSE; + + nconf->buffer_mask = (1 << NATIVE_ATTACHMENT_BACK_LEFT); + + nconf->window_bit = TRUE; + + return TRUE; +} + static struct native_display * fbdev_display_create(int fd, const struct native_event_handler *event_handler) { @@ -435,23 +480,24 @@ fbdev_display_create(int fd, const struct native_event_handler *event_handler) if (ioctl(fbdpy->fd, FBIOGET_FSCREENINFO, &fbdpy->finfo)) goto fail; - if (ioctl(fbdpy->fd, FBIOGET_VSCREENINFO, &fbdpy->vinfo)) - goto fail; - if (fbdpy->finfo.visual != FB_VISUAL_TRUECOLOR || fbdpy->finfo.type != FB_TYPE_PACKED_PIXELS) goto fail; - if (!fbdev_display_init_configs(&fbdpy->base) || - !fbdev_display_init_connectors(&fbdpy->base) || - !fbdev_display_init_modes(&fbdpy->base)) + if (!fbdev_display_init_config(&fbdpy->base)) goto fail; + fbdpy->assume_fixed_vinfo = TRUE; + fbdpy->base.init_screen = fbdev_display_init_screen; fbdpy->base.destroy = fbdev_display_destroy; fbdpy->base.get_param = fbdev_display_get_param; fbdpy->base.get_configs = fbdev_display_get_configs; + fbdpy->base.create_window_surface = fbdev_display_create_window_surface; + + /* we'd like to remove modeset support one day */ + fbdpy->config.scanout_bit = TRUE; fbdpy->base.modeset = &fbdev_display_modeset; return &fbdpy->base; diff --git a/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.c b/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.c index f4f4cd7969b..38d88f63aa2 100644 --- a/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.c +++ b/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.c @@ -54,10 +54,8 @@ struct fbdev_sw_winsys struct sw_winsys base; int fd; - enum pipe_format format; struct fb_fix_screeninfo finfo; - void *fbmem; unsigned rows; unsigned stride; }; @@ -77,22 +75,53 @@ fbdev_sw_winsys(struct sw_winsys *ws) static void fbdev_displaytarget_display(struct sw_winsys *ws, struct sw_displaytarget *dt, - void *context_private) + void *winsys_private) { struct fbdev_sw_winsys *fbdev = fbdev_sw_winsys(ws); - struct fbdev_sw_displaytarget *fbdt = fbdev_sw_displaytarget(dt); - unsigned rows, len, i; + struct fbdev_sw_displaytarget *src = fbdev_sw_displaytarget(dt); + const struct fbdev_sw_drawable *dst = + (const struct fbdev_sw_drawable *) winsys_private; + unsigned height, row_offset, row_len, i; + void *fbmem; + + /* FIXME format conversion */ + if (dst->format != src->format) { + assert(0); + return; + } - rows = MIN2(fbdt->height, fbdev->rows); - len = util_format_get_stride(fbdt->format, fbdt->width); - len = MIN2(len, fbdev->stride); + height = dst->height; + if (dst->y + dst->height > fbdev->rows) { + /* nothing to copy */ + if (dst->y >= fbdev->rows) + return; - for (i = 0; i < rows; i++) { - void *dst = fbdev->fbmem + fbdev->stride * i; - void *src = fbdt->data + fbdt->stride * i; + height = fbdev->rows - dst->y; + } + + row_offset = util_format_get_stride(dst->format, dst->x); + row_len = util_format_get_stride(dst->format, dst->width); + if (row_offset + row_len > fbdev->stride) { + /* nothing to copy */ + if (row_offset >= fbdev->stride) + return; - memcpy(dst, src, len); + row_len = fbdev->stride - row_offset; } + + fbmem = mmap(0, fbdev->finfo.smem_len, + PROT_WRITE, MAP_SHARED, fbdev->fd, 0); + if (fbmem == MAP_FAILED) + return; + + for (i = 0; i < height; i++) { + char *from = (char *) src->data + src->stride * i; + char *to = (char *) fbmem + fbdev->stride * (dst->y + i) + row_offset; + + memcpy(to, from, row_len); + } + + munmap(fbmem, fbdev->finfo.smem_len); } static void @@ -133,13 +162,9 @@ fbdev_displaytarget_create(struct sw_winsys *ws, unsigned alignment, unsigned *stride) { - struct fbdev_sw_winsys *fbdev = fbdev_sw_winsys(ws); struct fbdev_sw_displaytarget *fbdt; unsigned nblocksy, size, format_stride; - if (fbdev->format != format) - return NULL; - fbdt = CALLOC_STRUCT(fbdev_sw_displaytarget); if (!fbdt) return NULL; @@ -170,8 +195,7 @@ fbdev_is_displaytarget_format_supported(struct sw_winsys *ws, unsigned tex_usage, enum pipe_format format) { - struct fbdev_sw_winsys *fbdev = fbdev_sw_winsys(ws); - return (fbdev->format == format); + return TRUE; } static void @@ -179,12 +203,11 @@ fbdev_destroy(struct sw_winsys *ws) { struct fbdev_sw_winsys *fbdev = fbdev_sw_winsys(ws); - munmap(fbdev->fbmem, fbdev->finfo.smem_len); FREE(fbdev); } struct sw_winsys * -fbdev_create_sw_winsys(int fd, enum pipe_format format) +fbdev_create_sw_winsys(int fd) { struct fbdev_sw_winsys *fbdev; @@ -193,19 +216,11 @@ fbdev_create_sw_winsys(int fd, enum pipe_format format) return NULL; fbdev->fd = fd; - fbdev->format = format; if (ioctl(fbdev->fd, FBIOGET_FSCREENINFO, &fbdev->finfo)) { FREE(fbdev); return NULL; } - fbdev->fbmem = mmap(0, fbdev->finfo.smem_len, - PROT_WRITE, MAP_SHARED, fbdev->fd, 0); - if (fbdev->fbmem == MAP_FAILED) { - FREE(fbdev); - return NULL; - } - fbdev->rows = fbdev->finfo.smem_len / fbdev->finfo.line_length; fbdev->stride = fbdev->finfo.line_length; diff --git a/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.h b/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.h index d958ab9db3e..59d8a8f5cfe 100644 --- a/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.h +++ b/src/gallium/winsys/sw/fbdev/fbdev_sw_winsys.h @@ -32,7 +32,14 @@ struct sw_winsys; enum pipe_format; +/* for pipe_screen::flush_frontbuffer */ +struct fbdev_sw_drawable { + enum pipe_format format; + unsigned x, y; + unsigned width, height; +}; + struct sw_winsys * -fbdev_create_sw_winsys(int fd, enum pipe_format format); +fbdev_create_sw_winsys(int fd); #endif /* FBDEV_SW_WINSYS */ |