From 610b0493ac4a3bbde44378adf855c7202b1e59c4 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Sat, 30 Sep 2017 19:03:34 +1300 Subject: Rename files to remove pointless drm prefix --- backend/drm/drm-util.c | 303 ------------------------------------------------- 1 file changed, 303 deletions(-) delete mode 100644 backend/drm/drm-util.c (limited to 'backend/drm/drm-util.c') diff --git a/backend/drm/drm-util.c b/backend/drm/drm-util.c deleted file mode 100644 index 0f8ee18c..00000000 --- a/backend/drm/drm-util.c +++ /dev/null @@ -1,303 +0,0 @@ -#include -#include -#include -#include -#include -#include "backend/drm-util.h" -#include - -int32_t calculate_refresh_rate(drmModeModeInfo *mode) { - int32_t refresh = (mode->clock * 1000000LL / mode->htotal + - mode->vtotal / 2) / mode->vtotal; - - if (mode->flags & DRM_MODE_FLAG_INTERLACE) { - refresh *= 2; - } - - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) { - refresh /= 2; - } - - if (mode->vscan > 1) { - refresh /= mode->vscan; - } - - return refresh; -} - -// Constructed from http://edid.tv/manufacturer -static const char *get_manufacturer(uint16_t id) { -#define ID(a, b, c) ((a & 0x1f) << 10) | ((b & 0x1f) << 5) | (c & 0x1f) - switch (id) { - case ID('A', 'A', 'A'): return "Avolites Ltd"; - case ID('A', 'C', 'I'): return "Ancor Communications Inc"; - case ID('A', 'C', 'R'): return "Acer Technologies"; - case ID('A', 'P', 'P'): return "Apple Computer Inc"; - case ID('B', 'N', 'O'): return "Bang & Olufsen"; - case ID('C', 'M', 'N'): return "Chimei Innolux Corporation"; - case ID('C', 'M', 'O'): return "Chi Mei Optoelectronics corp."; - case ID('C', 'R', 'O'): return "Extraordinary Technologies PTY Limited"; - case ID('D', 'E', 'L'): return "Dell Inc."; - case ID('D', 'O', 'N'): return "DENON, Ltd."; - case ID('E', 'N', 'C'): return "Eizo Nanao Corporation"; - case ID('E', 'P', 'H'): return "Epiphan Systems Inc."; - case ID('F', 'U', 'S'): return "Fujitsu Siemens Computers GmbH"; - case ID('G', 'S', 'M'): return "Goldstar Company Ltd"; - case ID('H', 'I', 'Q'): return "Kaohsiung Opto Electronics Americas, Inc."; - case ID('H', 'S', 'D'): return "HannStar Display Corp"; - case ID('H', 'W', 'P'): return "Hewlett Packard"; - case ID('I', 'N', 'T'): return "Interphase Corporation"; - case ID('I', 'V', 'M'): return "Iiyama North America"; - case ID('L', 'E', 'N'): return "Lenovo Group Limited"; - case ID('M', 'A', 'X'): return "Rogen Tech Distribution Inc"; - case ID('M', 'E', 'G'): return "Abeam Tech Ltd"; - case ID('M', 'E', 'I'): return "Panasonic Industry Company"; - case ID('M', 'T', 'C'): return "Mars-Tech Corporation"; - case ID('M', 'T', 'X'): return "Matrox"; - case ID('N', 'E', 'C'): return "NEC Corporation"; - case ID('O', 'N', 'K'): return "ONKYO Corporation"; - case ID('O', 'R', 'N'): return "ORION ELECTRIC CO., LTD."; - case ID('O', 'T', 'M'): return "Optoma Corporation"; - case ID('O', 'V', 'R'): return "Oculus VR, Inc."; - case ID('P', 'H', 'L'): return "Philips Consumer Electronics Company"; - case ID('P', 'I', 'O'): return "Pioneer Electronic Corporation"; - case ID('P', 'N', 'R'): return "Planar Systems, Inc."; - case ID('Q', 'D', 'S'): return "Quanta Display Inc."; - case ID('S', 'A', 'M'): return "Samsung Electric Company"; - case ID('S', 'E', 'C'): return "Seiko Epson Corporation"; - case ID('S', 'H', 'P'): return "Sharp Corporation"; - case ID('S', 'I', 'I'): return "Silicon Image, Inc."; - case ID('S', 'N', 'Y'): return "Sony"; - case ID('T', 'O', 'P'): return "Orion Communications Co., Ltd."; - case ID('T', 'S', 'B'): return "Toshiba America Info Systems Inc"; - case ID('T', 'S', 'T'): return "Transtream Inc"; - case ID('U', 'N', 'K'): return "Unknown"; - case ID('V', 'I', 'Z'): return "VIZIO, Inc"; - case ID('V', 'S', 'C'): return "ViewSonic Corporation"; - case ID('Y', 'M', 'H'): return "Yamaha Corporation"; - default: return "Unknown"; - } -#undef ID -} - -/* See https://en.wikipedia.org/wiki/Extended_Display_Identification_Data for layout of EDID data. - * We don't parse the EDID properly. We just expect to receive valid data. - */ -void parse_edid(struct wlr_output *restrict output, size_t len, const uint8_t *data) { - if (!data || len < 128) { - snprintf(output->make, sizeof(output->make), ""); - snprintf(output->model, sizeof(output->model), ""); - return; - } - - uint16_t id = (data[8] << 8) | data[9]; - snprintf(output->make, sizeof(output->make), "%s", get_manufacturer(id)); - - output->phys_width = ((data[68] & 0xf0) << 4) | data[66]; - output->phys_height = ((data[68] & 0x0f) << 8) | data[67]; - - for (size_t i = 72; i <= 108; i += 18) { - uint16_t flag = (data[i] << 8) | data[i + 1]; - if (flag == 0 && data[i + 3] == 0xFC) { - sprintf(output->model, "%.13s", &data[i + 5]); - - // Monitor names are terminated by newline if they're too short - char *nl = strchr(output->model, '\n'); - if (nl) { - *nl = '\0'; - } - - break; - } - } -} - -const char *conn_get_name(uint32_t type_id) { - switch (type_id) { - case DRM_MODE_CONNECTOR_Unknown: return "Unknown"; - case DRM_MODE_CONNECTOR_VGA: return "VGA"; - case DRM_MODE_CONNECTOR_DVII: return "DVI-I"; - case DRM_MODE_CONNECTOR_DVID: return "DVI-D"; - case DRM_MODE_CONNECTOR_DVIA: return "DVI-A"; - case DRM_MODE_CONNECTOR_Composite: return "Composite"; - case DRM_MODE_CONNECTOR_SVIDEO: return "SVIDEO"; - case DRM_MODE_CONNECTOR_LVDS: return "LVDS"; - case DRM_MODE_CONNECTOR_Component: return "Component"; - case DRM_MODE_CONNECTOR_9PinDIN: return "DIN"; - case DRM_MODE_CONNECTOR_DisplayPort: return "DP"; - case DRM_MODE_CONNECTOR_HDMIA: return "HDMI-A"; - case DRM_MODE_CONNECTOR_HDMIB: return "HDMI-B"; - case DRM_MODE_CONNECTOR_TV: return "TV"; - case DRM_MODE_CONNECTOR_eDP: return "eDP"; - case DRM_MODE_CONNECTOR_VIRTUAL: return "Virtual"; - case DRM_MODE_CONNECTOR_DSI: return "DSI"; - default: return "Unknown"; - } -} - -static void free_fb(struct gbm_bo *bo, void *data) { - uint32_t id = (uintptr_t)data; - - if (id) { - struct gbm_device *gbm = gbm_bo_get_device(bo); - drmModeRmFB(gbm_device_get_fd(gbm), id); - } -} - -uint32_t get_fb_for_bo(struct gbm_bo *bo) { - uint32_t id = (uintptr_t)gbm_bo_get_user_data(bo); - if (id) { - return id; - } - - struct gbm_device *gbm = gbm_bo_get_device(bo); - - int fd = gbm_device_get_fd(gbm); - uint32_t width = gbm_bo_get_width(bo); - uint32_t height = gbm_bo_get_height(bo); - uint32_t handles[4] = {gbm_bo_get_handle(bo).u32}; - uint32_t pitches[4] = {gbm_bo_get_stride(bo)}; - uint32_t offsets[4] = {gbm_bo_get_offset(bo, 0)}; - uint32_t format = gbm_bo_get_format(bo); - - if (drmModeAddFB2(fd, width, height, format, handles, pitches, offsets, &id, 0)) { - wlr_log_errno(L_ERROR, "Unable to add DRM framebuffer"); - } - - gbm_bo_set_user_data(bo, (void *)(uintptr_t)id, free_fb); - - return id; -} - -static inline bool is_taken(size_t n, const uint32_t arr[static n], uint32_t key) { - for (size_t i = 0; i < n; ++i) { - if (arr[i] == key) { - return true; - } - } - return false; -} - -/* - * Store all of the non-recursive state in a struct, so we aren't literally - * passing 12 arguments to a function. - */ -struct match_state { - const size_t num_objs; - const uint32_t *restrict objs; - const size_t num_res; - size_t score; - size_t replaced; - uint32_t *restrict res; - uint32_t *restrict best; - const uint32_t *restrict orig; - bool exit_early; -}; - -/* - * skips: The number of SKIP elements encountered so far. - * score: The number of resources we've matched so far. - * replaced: The number of changes from the original solution. - * i: The index of the current element. - * - * This tries to match a solution as close to st->orig as it can. - * - * Returns whether we've set a new best element with this solution. - */ -static bool match_obj_(struct match_state *st, size_t skips, size_t score, size_t replaced, size_t i) { - // Finished - if (i >= st->num_res) { - if (score > st->score || (score == st->score && replaced < st->replaced)) { - st->score = score; - st->replaced = replaced; - memcpy(st->best, st->res, sizeof st->best[0] * st->num_res); - - if (st->score == st->num_objs && st->replaced == 0) { - st->exit_early = true; - } - st->exit_early = (st->score == st->num_res - skips - || st->score == st->num_objs) - && st->replaced == 0; - - return true; - } else { - return false; - } - } - - if (st->orig[i] == SKIP) { - st->res[i] = SKIP; - return match_obj_(st, skips + 1, score, replaced, i + 1); - } - - /* - * Attempt to use the current solution first, to try and avoid - * recalculating everything - */ - - if (st->orig[i] != UNMATCHED && !is_taken(i, st->res, st->orig[i])) { - st->res[i] = st->orig[i]; - if (match_obj_(st, skips, score + 1, replaced, i + 1)) { - return true; - } - } - - if (st->orig[i] != UNMATCHED) { - ++replaced; - } - - bool is_best = false; - for (st->res[i] = 0; st->res[i] < st->num_objs; ++st->res[i]) { - // We tried this earlier - if (st->res[i] == st->orig[i]) { - continue; - } - - // Not compatable - if (!(st->objs[st->res[i]] & (1 << i))) { - continue; - } - - // Already taken - if (is_taken(i, st->res, st->res[i])) { - continue; - } - - if (match_obj_(st, skips, score + 1, replaced, i + 1)) { - is_best = true; - } - - if (st->exit_early) { - return true; - } - } - - if (is_best) { - return true; - } - - // Maybe this resource can't be matched - st->res[i] = UNMATCHED; - return match_obj_(st, skips, score, replaced, i + 1); -} - -size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num_objs], - size_t num_res, const uint32_t res[static restrict num_res], - uint32_t out[static restrict num_res]) { - uint32_t solution[num_res]; - - struct match_state st = { - .num_objs = num_objs, - .num_res = num_res, - .score = 0, - .replaced = SIZE_MAX, - .objs = objs, - .res = solution, - .best = out, - .orig = res, - .exit_early = false, - }; - - match_obj_(&st, 0, 0, 0, 0); - return st.score; -} -- cgit v1.2.3