| /contrib/sdk/sources/Mesa/src/gbm/Makefile.am |
|---|
| 0,0 → 1,47 |
| pkgconfigdir = $(libdir)/pkgconfig |
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| $(LIBUDEV_CFLAGS) \ |
| $(LIBKMS_CFLAGS) \ |
| $(DLOPEN_CFLAGS) \ |
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| main/backend.c \ |
| main/common.c |
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| ln -f .libs/libgbm.so.1.0.0 $(top_builddir)/$(LIB_DIR)/libgbm.so |
| /contrib/sdk/sources/Mesa/src/gbm/Makefile.in |
|---|
| 0,0 → 1,956 |
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| else \ |
| echo "$$sdir/$$i"; \ |
| fi; \ |
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| -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags |
| distdir: $(DISTFILES) |
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| sed -e "s|^$$srcdirstrip/||;t" \ |
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| distclean-tags |
| dvi: dvi-am |
| dvi-am: |
| html: html-am |
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| clean-generic clean-libLTLIBRARIES clean-libtool \ |
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| install install-am install-data install-data-am install-dvi \ |
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| install-info-am install-libLTLIBRARIES install-man install-pdf \ |
| install-pdf-am install-pkgconfigDATA install-ps install-ps-am \ |
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| all-local: libgbm.la |
| $(MKDIR_P) $(top_builddir)/$(LIB_DIR); |
| ln -f .libs/libgbm.so.1.0.0 $(top_builddir)/$(LIB_DIR)/libgbm.so |
| # Tell versions [3.59,3.63) of GNU make to not export all variables. |
| # Otherwise a system limit (for SysV at least) may be exceeded. |
| .NOEXPORT: |
| /contrib/sdk/sources/Mesa/src/gbm/backends/dri/driver_name.c |
|---|
| 0,0 → 1,89 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Kristian Høgsberg <krh@bitplanet.net> |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <libudev.h> |
| #include "gbm_driint.h" |
| #define DRIVER_MAP_DRI2_ONLY |
| #include "pci_ids/pci_id_driver_map.h" |
| char * |
| dri_fd_get_driver_name(int fd) |
| { |
| struct udev *udev; |
| struct udev_device *device, *parent; |
| const char *pci_id; |
| char *driver = NULL; |
| int vendor_id, chip_id, i, j; |
| udev = udev_new(); |
| device = _gbm_udev_device_new_from_fd(udev, fd); |
| if (device == NULL) |
| return NULL; |
| parent = udev_device_get_parent(device); |
| if (parent == NULL) { |
| fprintf(stderr, "gbm: could not get parent device"); |
| goto out; |
| } |
| pci_id = udev_device_get_property_value(parent, "PCI_ID"); |
| if (pci_id == NULL || |
| sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) { |
| fprintf(stderr, "gbm: malformed or no PCI ID"); |
| goto out; |
| } |
| for (i = 0; driver_map[i].driver; i++) { |
| if (vendor_id != driver_map[i].vendor_id) |
| continue; |
| if (driver_map[i].num_chips_ids == -1) { |
| driver = strdup(driver_map[i].driver); |
| _gbm_log("pci id for %d: %04x:%04x, driver %s", |
| fd, vendor_id, chip_id, driver); |
| goto out; |
| } |
| for (j = 0; j < driver_map[i].num_chips_ids; j++) |
| if (driver_map[i].chip_ids[j] == chip_id) { |
| driver = strdup(driver_map[i].driver); |
| _gbm_log("pci id for %d: %04x:%04x, driver %s", |
| fd, vendor_id, chip_id, driver); |
| goto out; |
| } |
| } |
| out: |
| udev_device_unref(device); |
| udev_unref(udev); |
| return driver; |
| } |
| /contrib/sdk/sources/Mesa/src/gbm/backends/dri/gbm_dri.c |
|---|
| 0,0 → 1,671 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <limits.h> |
| #include <sys/types.h> |
| //#include <sys/mman.h> |
| #include <unistd.h> |
| //#include <dlfcn.h> |
| #include <xf86drm.h> |
| #include <GL/gl.h> /* dri_interface needs GL types */ |
| #include <GL/internal/dri_interface.h> |
| #include "gbm_driint.h" |
| #include "gbmint.h" |
| /* For importing wl_buffer */ |
| #if HAVE_WAYLAND_PLATFORM |
| #include "../../../egl/wayland/wayland-drm/wayland-drm.h" |
| #endif |
| void *load_library(const char *name); |
| void *get_proc_address(void *lib, char *proc_name); |
| static __DRIimage * |
| dri_lookup_egl_image(__DRIscreen *screen, void *image, void *data) |
| { |
| struct gbm_dri_device *dri = data; |
| if (dri->lookup_image == NULL) |
| return NULL; |
| return dri->lookup_image(screen, image, dri->lookup_user_data); |
| } |
| static __DRIbuffer * |
| dri_get_buffers(__DRIdrawable * driDrawable, |
| int *width, int *height, |
| unsigned int *attachments, int count, |
| int *out_count, void *data) |
| { |
| struct gbm_dri_surface *surf = data; |
| struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
| if (dri->get_buffers == NULL) |
| return NULL; |
| return dri->get_buffers(driDrawable, width, height, attachments, |
| count, out_count, surf->dri_private); |
| } |
| static void |
| dri_flush_front_buffer(__DRIdrawable * driDrawable, void *data) |
| { |
| struct gbm_dri_surface *surf = data; |
| struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
| if (dri->flush_front_buffer != NULL) |
| dri->flush_front_buffer(driDrawable, surf->dri_private); |
| } |
| static __DRIbuffer * |
| dri_get_buffers_with_format(__DRIdrawable * driDrawable, |
| int *width, int *height, |
| unsigned int *attachments, int count, |
| int *out_count, void *data) |
| { |
| struct gbm_dri_surface *surf = data; |
| struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
| if (dri->get_buffers_with_format == NULL) |
| return NULL; |
| return |
| dri->get_buffers_with_format(driDrawable, width, height, attachments, |
| count, out_count, surf->dri_private); |
| } |
| static const __DRIuseInvalidateExtension use_invalidate = { |
| { __DRI_USE_INVALIDATE, 1 } |
| }; |
| static const __DRIimageLookupExtension image_lookup_extension = { |
| { __DRI_IMAGE_LOOKUP, 1 }, |
| dri_lookup_egl_image |
| }; |
| const __DRIdri2LoaderExtension dri2_loader_extension = { |
| { __DRI_DRI2_LOADER, 3 }, |
| dri_get_buffers, |
| dri_flush_front_buffer, |
| dri_get_buffers_with_format, |
| }; |
| struct dri_extension_match { |
| const char *name; |
| int version; |
| int offset; |
| }; |
| static struct dri_extension_match dri_core_extensions[] = { |
| { __DRI2_FLUSH, 1, offsetof(struct gbm_dri_device, flush) }, |
| { __DRI_IMAGE, 1, offsetof(struct gbm_dri_device, image) }, |
| { NULL, 0, 0 } |
| }; |
| static struct dri_extension_match gbm_dri_device_extensions[] = { |
| { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core) }, |
| { __DRI_DRI2, 1, offsetof(struct gbm_dri_device, dri2) }, |
| { NULL, 0, 0 } |
| }; |
| static int |
| dri_bind_extensions(struct gbm_dri_device *dri, |
| struct dri_extension_match *matches, |
| const __DRIextension **extensions) |
| { |
| int i, j, ret = 0; |
| void *field; |
| for (i = 0; extensions[i]; i++) { |
| for (j = 0; matches[j].name; j++) { |
| if (strcmp(extensions[i]->name, matches[j].name) == 0 && |
| extensions[i]->version >= matches[j].version) { |
| field = ((char *) dri + matches[j].offset); |
| *(const __DRIextension **) field = extensions[i]; |
| } |
| } |
| } |
| for (j = 0; matches[j].name; j++) { |
| field = ((char *) dri + matches[j].offset); |
| if (*(const __DRIextension **) field == NULL) { |
| ret = -1; |
| } |
| } |
| return ret; |
| } |
| static int |
| dri_load_driver(struct gbm_dri_device *dri) |
| { |
| const __DRIextension **extensions; |
| // char path[PATH_MAX], *search_paths, *p, *next, *end; |
| char *search_paths; |
| search_paths = NULL; |
| #if 0 |
| if (geteuid() == getuid()) { |
| /* don't allow setuid apps to use GBM_DRIVERS_PATH */ |
| search_paths = getenv("GBM_DRIVERS_PATH"); |
| } |
| if (search_paths == NULL) |
| search_paths = DEFAULT_DRIVER_DIR; |
| dri->driver = NULL; |
| end = search_paths + strlen(search_paths); |
| for (p = search_paths; p < end && dri->driver == NULL; p = next + 1) { |
| int len; |
| next = strchr(p, ':'); |
| if (next == NULL) |
| next = end; |
| len = next - p; |
| #if GLX_USE_TLS |
| snprintf(path, sizeof path, |
| "%.*s/tls/%s_dri.so", len, p, dri->base.driver_name); |
| dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| #endif |
| if (dri->driver == NULL) { |
| snprintf(path, sizeof path, |
| "%.*s/%s_dri.so", len, p, dri->base.driver_name); |
| dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| if (dri->driver == NULL) |
| fprintf(stderr, "failed to open %s: %s\n", path, dlerror()); |
| } |
| } |
| #endif |
| dri->driver = load_library("libGL.dll"); |
| if (dri->driver == NULL) { |
| fprintf(stderr, "gbm: failed to open any driver (search paths %s)", |
| search_paths); |
| return -1; |
| } |
| extensions = get_proc_address(dri->driver, __DRI_DRIVER_EXTENSIONS); |
| if (extensions == NULL) { |
| fprintf(stderr, "gbm: driver exports no extensions\n"); |
| // dlclose(dri->driver); |
| return -1; |
| } |
| if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { |
| // dlclose(dri->driver); |
| fprintf(stderr, "failed to bind extensions\n"); |
| return -1; |
| } |
| return 0; |
| } |
| static int |
| dri_screen_create(struct gbm_dri_device *dri) |
| { |
| const __DRIextension **extensions; |
| int ret = 0; |
| dri->base.driver_name = strdup("drm"); //dri_fd_get_driver_name(dri->base.base.fd); |
| if (dri->base.driver_name == NULL) |
| return -1; |
| ret = dri_load_driver(dri); |
| if (ret) { |
| fprintf(stderr, "failed to load driver: %s\n", dri->base.driver_name); |
| return ret; |
| }; |
| dri->extensions[0] = &image_lookup_extension.base; |
| dri->extensions[1] = &use_invalidate.base; |
| dri->extensions[2] = &dri2_loader_extension.base; |
| dri->extensions[3] = NULL; |
| if (dri->dri2 == NULL) |
| return -1; |
| dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd, |
| dri->extensions, |
| &dri->driver_configs, dri); |
| if (dri->screen == NULL) |
| return -1; |
| extensions = dri->core->getExtensions(dri->screen); |
| if (dri_bind_extensions(dri, dri_core_extensions, extensions) < 0) { |
| ret = -1; |
| goto free_screen; |
| } |
| dri->lookup_image = NULL; |
| dri->lookup_user_data = NULL; |
| return 0; |
| free_screen: |
| dri->core->destroyScreen(dri->screen); |
| return ret; |
| } |
| static int |
| gbm_dri_is_format_supported(struct gbm_device *gbm, |
| uint32_t format, |
| uint32_t usage) |
| { |
| switch (format) { |
| case GBM_BO_FORMAT_XRGB8888: |
| case GBM_FORMAT_XRGB8888: |
| break; |
| case GBM_BO_FORMAT_ARGB8888: |
| case GBM_FORMAT_ARGB8888: |
| if (usage & GBM_BO_USE_SCANOUT) |
| return 0; |
| break; |
| default: |
| return 0; |
| } |
| if (usage & GBM_BO_USE_CURSOR_64X64 && |
| usage & GBM_BO_USE_RENDERING) |
| return 0; |
| return 1; |
| } |
| static int |
| gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count) |
| { |
| struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
| if (bo->image != NULL) |
| return -1; |
| memcpy(bo->map, buf, count); |
| return 0; |
| } |
| static void |
| gbm_dri_bo_destroy(struct gbm_bo *_bo) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); |
| struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
| // struct drm_mode_destroy_dumb arg; |
| if (bo->image != NULL) { |
| dri->image->destroyImage(bo->image); |
| } else { |
| // munmap(bo->map, bo->size); |
| // memset(&arg, 0, sizeof(arg)); |
| // arg.handle = bo->handle; |
| // drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg); |
| } |
| free(bo); |
| } |
| static uint32_t |
| gbm_dri_to_gbm_format(uint32_t dri_format) |
| { |
| uint32_t ret = 0; |
| switch (dri_format) { |
| case __DRI_IMAGE_FORMAT_RGB565: |
| ret = GBM_FORMAT_RGB565; |
| break; |
| case __DRI_IMAGE_FORMAT_XRGB8888: |
| ret = GBM_FORMAT_XRGB8888; |
| break; |
| case __DRI_IMAGE_FORMAT_ARGB8888: |
| ret = GBM_FORMAT_ARGB8888; |
| break; |
| case __DRI_IMAGE_FORMAT_ABGR8888: |
| ret = GBM_FORMAT_ABGR8888; |
| break; |
| default: |
| ret = 0; |
| break; |
| } |
| return ret; |
| } |
| static struct gbm_bo * |
| gbm_dri_bo_import(struct gbm_device *gbm, |
| uint32_t type, void *buffer, uint32_t usage) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| struct gbm_dri_bo *bo; |
| __DRIimage *image; |
| unsigned dri_use = 0; |
| int gbm_format; |
| /* Required for query image WIDTH & HEIGHT */ |
| if (dri->image->base.version < 4) |
| return NULL; |
| switch (type) { |
| #if HAVE_WAYLAND_PLATFORM |
| case GBM_BO_IMPORT_WL_BUFFER: |
| { |
| struct wl_drm_buffer *wb = (struct wl_drm_buffer *) buffer; |
| if (!wayland_buffer_is_drm(buffer)) |
| return NULL; |
| image = wb->driver_buffer; |
| switch (wb->format) { |
| case WL_DRM_FORMAT_XRGB8888: |
| gbm_format = GBM_FORMAT_XRGB8888; |
| break; |
| case WL_DRM_FORMAT_ARGB8888: |
| gbm_format = GBM_FORMAT_ARGB8888; |
| break; |
| case WL_DRM_FORMAT_YUYV: |
| gbm_format = GBM_FORMAT_YUYV; |
| break; |
| default: |
| return NULL; |
| } |
| break; |
| } |
| #endif |
| case GBM_BO_IMPORT_EGL_IMAGE: |
| { |
| int dri_format; |
| if (dri->lookup_image == NULL) |
| return NULL; |
| image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data); |
| dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format); |
| gbm_format = gbm_dri_to_gbm_format(dri_format); |
| if (gbm_format == 0) |
| return NULL; |
| break; |
| } |
| default: |
| return NULL; |
| } |
| bo = calloc(1, sizeof *bo); |
| if (bo == NULL) |
| return NULL; |
| bo->image = dri->image->dupImage(image, NULL); |
| if (usage & GBM_BO_USE_SCANOUT) |
| dri_use |= __DRI_IMAGE_USE_SCANOUT; |
| if (usage & GBM_BO_USE_CURSOR_64X64) |
| dri_use |= __DRI_IMAGE_USE_CURSOR; |
| if (dri->image->base.version >= 2 && |
| !dri->image->validateUsage(bo->image, dri_use)) { |
| free(bo); |
| return NULL; |
| } |
| bo->base.base.gbm = gbm; |
| bo->base.base.format = gbm_format; |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_WIDTH, |
| (int*)&bo->base.base.width); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HEIGHT, |
| (int*)&bo->base.base.height); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, |
| (int*)&bo->base.base.stride); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, |
| &bo->base.base.handle.s32); |
| return &bo->base.base; |
| } |
| #if 0 |
| static struct gbm_bo * |
| create_dumb(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t usage) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| struct drm_mode_create_dumb create_arg; |
| struct drm_mode_map_dumb map_arg; |
| struct gbm_dri_bo *bo; |
| struct drm_mode_destroy_dumb destroy_arg; |
| int ret; |
| if (!(usage & GBM_BO_USE_CURSOR_64X64)) |
| return NULL; |
| if (format != GBM_FORMAT_ARGB8888) |
| return NULL; |
| bo = calloc(1, sizeof *bo); |
| if (bo == NULL) |
| return NULL; |
| create_arg.bpp = 32; |
| create_arg.width = width; |
| create_arg.height = height; |
| ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg); |
| if (ret) |
| goto free_bo; |
| bo->base.base.gbm = gbm; |
| bo->base.base.width = width; |
| bo->base.base.height = height; |
| bo->base.base.stride = create_arg.pitch; |
| bo->base.base.format = format; |
| bo->base.base.handle.u32 = create_arg.handle; |
| bo->handle = create_arg.handle; |
| bo->size = create_arg.size; |
| memset(&map_arg, 0, sizeof(map_arg)); |
| map_arg.handle = bo->handle; |
| ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg); |
| if (ret) |
| goto destroy_dumb; |
| bo->map = mmap(0, bo->size, PROT_WRITE, |
| MAP_SHARED, dri->base.base.fd, map_arg.offset); |
| if (bo->map == MAP_FAILED) |
| goto destroy_dumb; |
| return &bo->base.base; |
| destroy_dumb: |
| memset(&destroy_arg, 0, sizeof destroy_arg); |
| destroy_arg.handle = create_arg.handle; |
| drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg); |
| free_bo: |
| free(bo); |
| return NULL; |
| } |
| #endif |
| static struct gbm_bo * |
| gbm_dri_bo_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t usage) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| struct gbm_dri_bo *bo; |
| int dri_format; |
| unsigned dri_use = 0; |
| // if (usage & GBM_BO_USE_WRITE) |
| // return create_dumb(gbm, width, height, format, usage); |
| bo = calloc(1, sizeof *bo); |
| if (bo == NULL) |
| return NULL; |
| bo->base.base.gbm = gbm; |
| bo->base.base.width = width; |
| bo->base.base.height = height; |
| bo->base.base.format = format; |
| switch (format) { |
| case GBM_FORMAT_RGB565: |
| dri_format =__DRI_IMAGE_FORMAT_RGB565; |
| break; |
| case GBM_FORMAT_XRGB8888: |
| case GBM_BO_FORMAT_XRGB8888: |
| dri_format = __DRI_IMAGE_FORMAT_XRGB8888; |
| break; |
| case GBM_FORMAT_ARGB8888: |
| case GBM_BO_FORMAT_ARGB8888: |
| dri_format = __DRI_IMAGE_FORMAT_ARGB8888; |
| break; |
| case GBM_FORMAT_ABGR8888: |
| dri_format = __DRI_IMAGE_FORMAT_ABGR8888; |
| break; |
| default: |
| return NULL; |
| } |
| if (usage & GBM_BO_USE_SCANOUT) |
| dri_use |= __DRI_IMAGE_USE_SCANOUT; |
| if (usage & GBM_BO_USE_CURSOR_64X64) |
| dri_use |= __DRI_IMAGE_USE_CURSOR; |
| /* Gallium drivers requires shared in order to get the handle/stride */ |
| dri_use |= __DRI_IMAGE_USE_SHARE; |
| bo->image = |
| dri->image->createImage(dri->screen, |
| width, height, |
| dri_format, dri_use, |
| bo); |
| if (bo->image == NULL) |
| return NULL; |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, |
| &bo->base.base.handle.s32); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, |
| (int *) &bo->base.base.stride); |
| printf("%s handle %d w %d h%d\n",__FUNCTION__, bo->base.base.handle.s32, |
| width, height); |
| return &bo->base.base; |
| } |
| static struct gbm_surface * |
| gbm_dri_surface_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags) |
| { |
| struct gbm_dri_surface *surf; |
| surf = calloc(1, sizeof *surf); |
| if (surf == NULL) |
| return NULL; |
| surf->base.gbm = gbm; |
| surf->base.width = width; |
| surf->base.height = height; |
| surf->base.format = format; |
| surf->base.flags = flags; |
| return &surf->base; |
| } |
| static void |
| gbm_dri_surface_destroy(struct gbm_surface *_surf) |
| { |
| struct gbm_dri_surface *surf = gbm_dri_surface(_surf); |
| free(surf); |
| } |
| static void |
| dri_destroy(struct gbm_device *gbm) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| dri->core->destroyScreen(dri->screen); |
| free(dri->driver_configs); |
| // dlclose(dri->driver); |
| free(dri->base.driver_name); |
| free(dri); |
| } |
| static struct gbm_device * |
| dri_device_create(int fd) |
| { |
| struct gbm_dri_device *dri; |
| int ret; |
| dri = calloc(1, sizeof *dri); |
| dri->base.base.fd = fd; |
| dri->base.base.bo_create = gbm_dri_bo_create; |
| dri->base.base.bo_import = gbm_dri_bo_import; |
| dri->base.base.is_format_supported = gbm_dri_is_format_supported; |
| dri->base.base.bo_write = gbm_dri_bo_write; |
| dri->base.base.bo_destroy = gbm_dri_bo_destroy; |
| dri->base.base.destroy = dri_destroy; |
| dri->base.base.surface_create = gbm_dri_surface_create; |
| dri->base.base.surface_destroy = gbm_dri_surface_destroy; |
| dri->base.type = GBM_DRM_DRIVER_TYPE_DRI; |
| dri->base.base.name = "drm"; |
| ret = dri_screen_create(dri); |
| if (ret) |
| goto err_dri; |
| return &dri->base.base; |
| err_dri: |
| free(dri); |
| return NULL; |
| } |
| struct gbm_backend gbm_dri_backend = { |
| .backend_name = "dri", |
| .create_device = dri_device_create, |
| }; |
| /contrib/sdk/sources/Mesa/src/gbm/backends/dri/gbm_dri.c.bak |
|---|
| 0,0 → 1,673 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <limits.h> |
| #include <sys/types.h> |
| //#include <sys/mman.h> |
| #include <unistd.h> |
| //#include <dlfcn.h> |
| #include <xf86drm.h> |
| #include <GL/gl.h> /* dri_interface needs GL types */ |
| #include <GL/internal/dri_interface.h> |
| #include "gbm_driint.h" |
| #include "gbmint.h" |
| /* For importing wl_buffer */ |
| #if HAVE_WAYLAND_PLATFORM |
| #include "../../../egl/wayland/wayland-drm/wayland-drm.h" |
| #endif |
| void *load_library(const char *name); |
| void *get_proc_address(void *lib, char *proc_name); |
| static __DRIimage * |
| dri_lookup_egl_image(__DRIscreen *screen, void *image, void *data) |
| { |
| struct gbm_dri_device *dri = data; |
| if (dri->lookup_image == NULL) |
| return NULL; |
| return dri->lookup_image(screen, image, dri->lookup_user_data); |
| } |
| static __DRIbuffer * |
| dri_get_buffers(__DRIdrawable * driDrawable, |
| int *width, int *height, |
| unsigned int *attachments, int count, |
| int *out_count, void *data) |
| { |
| struct gbm_dri_surface *surf = data; |
| struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
| if (dri->get_buffers == NULL) |
| return NULL; |
| return dri->get_buffers(driDrawable, width, height, attachments, |
| count, out_count, surf->dri_private); |
| } |
| static void |
| dri_flush_front_buffer(__DRIdrawable * driDrawable, void *data) |
| { |
| struct gbm_dri_surface *surf = data; |
| struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
| if (dri->flush_front_buffer != NULL) |
| dri->flush_front_buffer(driDrawable, surf->dri_private); |
| } |
| static __DRIbuffer * |
| dri_get_buffers_with_format(__DRIdrawable * driDrawable, |
| int *width, int *height, |
| unsigned int *attachments, int count, |
| int *out_count, void *data) |
| { |
| struct gbm_dri_surface *surf = data; |
| struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); |
| if (dri->get_buffers_with_format == NULL) |
| return NULL; |
| return |
| dri->get_buffers_with_format(driDrawable, width, height, attachments, |
| count, out_count, surf->dri_private); |
| } |
| static const __DRIuseInvalidateExtension use_invalidate = { |
| { __DRI_USE_INVALIDATE, 1 } |
| }; |
| static const __DRIimageLookupExtension image_lookup_extension = { |
| { __DRI_IMAGE_LOOKUP, 1 }, |
| dri_lookup_egl_image |
| }; |
| const __DRIdri2LoaderExtension dri2_loader_extension = { |
| { __DRI_DRI2_LOADER, 3 }, |
| dri_get_buffers, |
| dri_flush_front_buffer, |
| dri_get_buffers_with_format, |
| }; |
| struct dri_extension_match { |
| const char *name; |
| int version; |
| int offset; |
| }; |
| static struct dri_extension_match dri_core_extensions[] = { |
| { __DRI2_FLUSH, 1, offsetof(struct gbm_dri_device, flush) }, |
| { __DRI_IMAGE, 1, offsetof(struct gbm_dri_device, image) }, |
| { NULL, 0, 0 } |
| }; |
| static struct dri_extension_match gbm_dri_device_extensions[] = { |
| { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core) }, |
| { __DRI_DRI2, 1, offsetof(struct gbm_dri_device, dri2) }, |
| { NULL, 0, 0 } |
| }; |
| static int |
| dri_bind_extensions(struct gbm_dri_device *dri, |
| struct dri_extension_match *matches, |
| const __DRIextension **extensions) |
| { |
| int i, j, ret = 0; |
| void *field; |
| for (i = 0; extensions[i]; i++) { |
| for (j = 0; matches[j].name; j++) { |
| if (strcmp(extensions[i]->name, matches[j].name) == 0 && |
| extensions[i]->version >= matches[j].version) { |
| field = ((char *) dri + matches[j].offset); |
| *(const __DRIextension **) field = extensions[i]; |
| } |
| } |
| } |
| for (j = 0; matches[j].name; j++) { |
| field = ((char *) dri + matches[j].offset); |
| if (*(const __DRIextension **) field == NULL) { |
| ret = -1; |
| } |
| } |
| return ret; |
| } |
| static int |
| dri_load_driver(struct gbm_dri_device *dri) |
| { |
| const __DRIextension **extensions; |
| // char path[PATH_MAX], *search_paths, *p, *next, *end; |
| char *search_paths; |
| search_paths = NULL; |
| #if 0 |
| if (geteuid() == getuid()) { |
| /* don't allow setuid apps to use GBM_DRIVERS_PATH */ |
| search_paths = getenv("GBM_DRIVERS_PATH"); |
| } |
| if (search_paths == NULL) |
| search_paths = DEFAULT_DRIVER_DIR; |
| dri->driver = NULL; |
| end = search_paths + strlen(search_paths); |
| for (p = search_paths; p < end && dri->driver == NULL; p = next + 1) { |
| int len; |
| next = strchr(p, ':'); |
| if (next == NULL) |
| next = end; |
| len = next - p; |
| #if GLX_USE_TLS |
| snprintf(path, sizeof path, |
| "%.*s/tls/%s_dri.so", len, p, dri->base.driver_name); |
| dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| #endif |
| if (dri->driver == NULL) { |
| snprintf(path, sizeof path, |
| "%.*s/%s_dri.so", len, p, dri->base.driver_name); |
| dri->driver = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| if (dri->driver == NULL) |
| fprintf(stderr, "failed to open %s: %s\n", path, dlerror()); |
| } |
| } |
| #endif |
| dri->driver = load_library("libGL.dll"); |
| if (dri->driver == NULL) { |
| fprintf(stderr, "gbm: failed to open any driver (search paths %s)", |
| search_paths); |
| return -1; |
| } |
| extensions = get_proc_address(dri->driver, __DRI_DRIVER_EXTENSIONS); |
| if (extensions == NULL) { |
| fprintf(stderr, "gbm: driver exports no extensions\n"); |
| // dlclose(dri->driver); |
| return -1; |
| } |
| if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { |
| // dlclose(dri->driver); |
| fprintf(stderr, "failed to bind extensions\n"); |
| return -1; |
| } |
| return 0; |
| } |
| static int |
| dri_screen_create(struct gbm_dri_device *dri) |
| { |
| const __DRIextension **extensions; |
| int ret = 0; |
| dri->base.driver_name = strdup("drm"); //dri_fd_get_driver_name(dri->base.base.fd); |
| if (dri->base.driver_name == NULL) |
| return -1; |
| ret = dri_load_driver(dri); |
| if (ret) { |
| fprintf(stderr, "failed to load driver: %s\n", dri->base.driver_name); |
| return ret; |
| }; |
| dri->extensions[0] = &image_lookup_extension.base; |
| dri->extensions[1] = &use_invalidate.base; |
| dri->extensions[2] = &dri2_loader_extension.base; |
| dri->extensions[3] = NULL; |
| if (dri->dri2 == NULL) |
| return -1; |
| dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd, |
| dri->extensions, |
| &dri->driver_configs, dri); |
| if (dri->screen == NULL) |
| return -1; |
| extensions = dri->core->getExtensions(dri->screen); |
| if (dri_bind_extensions(dri, dri_core_extensions, extensions) < 0) { |
| ret = -1; |
| goto free_screen; |
| } |
| dri->lookup_image = NULL; |
| dri->lookup_user_data = NULL; |
| return 0; |
| free_screen: |
| dri->core->destroyScreen(dri->screen); |
| return ret; |
| } |
| static int |
| gbm_dri_is_format_supported(struct gbm_device *gbm, |
| uint32_t format, |
| uint32_t usage) |
| { |
| switch (format) { |
| case GBM_BO_FORMAT_XRGB8888: |
| case GBM_FORMAT_XRGB8888: |
| break; |
| case GBM_BO_FORMAT_ARGB8888: |
| case GBM_FORMAT_ARGB8888: |
| if (usage & GBM_BO_USE_SCANOUT) |
| return 0; |
| break; |
| default: |
| return 0; |
| } |
| if (usage & GBM_BO_USE_CURSOR_64X64 && |
| usage & GBM_BO_USE_RENDERING) |
| return 0; |
| return 1; |
| } |
| static int |
| gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count) |
| { |
| struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
| if (bo->image != NULL) |
| return -1; |
| memcpy(bo->map, buf, count); |
| return 0; |
| } |
| static void |
| gbm_dri_bo_destroy(struct gbm_bo *_bo) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); |
| struct gbm_dri_bo *bo = gbm_dri_bo(_bo); |
| // struct drm_mode_destroy_dumb arg; |
| if (bo->image != NULL) { |
| dri->image->destroyImage(bo->image); |
| } else { |
| // munmap(bo->map, bo->size); |
| // memset(&arg, 0, sizeof(arg)); |
| // arg.handle = bo->handle; |
| // drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg); |
| } |
| free(bo); |
| } |
| static uint32_t |
| gbm_dri_to_gbm_format(uint32_t dri_format) |
| { |
| uint32_t ret = 0; |
| switch (dri_format) { |
| case __DRI_IMAGE_FORMAT_RGB565: |
| ret = GBM_FORMAT_RGB565; |
| break; |
| case __DRI_IMAGE_FORMAT_XRGB8888: |
| ret = GBM_FORMAT_XRGB8888; |
| break; |
| case __DRI_IMAGE_FORMAT_ARGB8888: |
| ret = GBM_FORMAT_ARGB8888; |
| break; |
| case __DRI_IMAGE_FORMAT_ABGR8888: |
| ret = GBM_FORMAT_ABGR8888; |
| break; |
| default: |
| ret = 0; |
| break; |
| } |
| return ret; |
| } |
| static struct gbm_bo * |
| gbm_dri_bo_import(struct gbm_device *gbm, |
| uint32_t type, void *buffer, uint32_t usage) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| struct gbm_dri_bo *bo; |
| __DRIimage *image; |
| unsigned dri_use = 0; |
| int gbm_format; |
| /* Required for query image WIDTH & HEIGHT */ |
| if (dri->image->base.version < 4) |
| return NULL; |
| switch (type) { |
| #if HAVE_WAYLAND_PLATFORM |
| case GBM_BO_IMPORT_WL_BUFFER: |
| { |
| struct wl_drm_buffer *wb = (struct wl_drm_buffer *) buffer; |
| if (!wayland_buffer_is_drm(buffer)) |
| return NULL; |
| image = wb->driver_buffer; |
| switch (wb->format) { |
| case WL_DRM_FORMAT_XRGB8888: |
| gbm_format = GBM_FORMAT_XRGB8888; |
| break; |
| case WL_DRM_FORMAT_ARGB8888: |
| gbm_format = GBM_FORMAT_ARGB8888; |
| break; |
| case WL_DRM_FORMAT_YUYV: |
| gbm_format = GBM_FORMAT_YUYV; |
| break; |
| default: |
| return NULL; |
| } |
| break; |
| } |
| #endif |
| case GBM_BO_IMPORT_EGL_IMAGE: |
| { |
| int dri_format; |
| if (dri->lookup_image == NULL) |
| return NULL; |
| image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data); |
| dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format); |
| gbm_format = gbm_dri_to_gbm_format(dri_format); |
| if (gbm_format == 0) |
| return NULL; |
| break; |
| } |
| default: |
| return NULL; |
| } |
| bo = calloc(1, sizeof *bo); |
| if (bo == NULL) |
| return NULL; |
| bo->image = dri->image->dupImage(image, NULL); |
| if (usage & GBM_BO_USE_SCANOUT) |
| dri_use |= __DRI_IMAGE_USE_SCANOUT; |
| if (usage & GBM_BO_USE_CURSOR_64X64) |
| dri_use |= __DRI_IMAGE_USE_CURSOR; |
| if (dri->image->base.version >= 2 && |
| !dri->image->validateUsage(bo->image, dri_use)) { |
| free(bo); |
| return NULL; |
| } |
| bo->base.base.gbm = gbm; |
| bo->base.base.format = gbm_format; |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_WIDTH, |
| (int*)&bo->base.base.width); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HEIGHT, |
| (int*)&bo->base.base.height); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, |
| (int*)&bo->base.base.stride); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, |
| &bo->base.base.handle.s32); |
| return &bo->base.base; |
| } |
| #if 0 |
| static struct gbm_bo * |
| create_dumb(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t usage) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| struct drm_mode_create_dumb create_arg; |
| struct drm_mode_map_dumb map_arg; |
| struct gbm_dri_bo *bo; |
| struct drm_mode_destroy_dumb destroy_arg; |
| int ret; |
| if (!(usage & GBM_BO_USE_CURSOR_64X64)) |
| return NULL; |
| if (format != GBM_FORMAT_ARGB8888) |
| return NULL; |
| bo = calloc(1, sizeof *bo); |
| if (bo == NULL) |
| return NULL; |
| create_arg.bpp = 32; |
| create_arg.width = width; |
| create_arg.height = height; |
| ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg); |
| if (ret) |
| goto free_bo; |
| bo->base.base.gbm = gbm; |
| bo->base.base.width = width; |
| bo->base.base.height = height; |
| bo->base.base.stride = create_arg.pitch; |
| bo->base.base.format = format; |
| bo->base.base.handle.u32 = create_arg.handle; |
| bo->handle = create_arg.handle; |
| bo->size = create_arg.size; |
| memset(&map_arg, 0, sizeof(map_arg)); |
| map_arg.handle = bo->handle; |
| ret = drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg); |
| if (ret) |
| goto destroy_dumb; |
| bo->map = mmap(0, bo->size, PROT_WRITE, |
| MAP_SHARED, dri->base.base.fd, map_arg.offset); |
| if (bo->map == MAP_FAILED) |
| goto destroy_dumb; |
| return &bo->base.base; |
| destroy_dumb: |
| memset(&destroy_arg, 0, sizeof destroy_arg); |
| destroy_arg.handle = create_arg.handle; |
| drmIoctl(dri->base.base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg); |
| free_bo: |
| free(bo); |
| return NULL; |
| } |
| #endif |
| static struct gbm_bo * |
| gbm_dri_bo_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t usage) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| struct gbm_dri_bo *bo; |
| int dri_format; |
| unsigned dri_use = 0; |
| // if (usage & GBM_BO_USE_WRITE) |
| // return create_dumb(gbm, width, height, format, usage); |
| bo = calloc(1, sizeof *bo); |
| if (bo == NULL) |
| return NULL; |
| bo->base.base.gbm = gbm; |
| bo->base.base.width = width; |
| bo->base.base.height = height; |
| bo->base.base.format = format; |
| switch (format) { |
| case GBM_FORMAT_RGB565: |
| dri_format =__DRI_IMAGE_FORMAT_RGB565; |
| break; |
| case GBM_FORMAT_XRGB8888: |
| case GBM_BO_FORMAT_XRGB8888: |
| dri_format = __DRI_IMAGE_FORMAT_XRGB8888; |
| break; |
| case GBM_FORMAT_ARGB8888: |
| case GBM_BO_FORMAT_ARGB8888: |
| dri_format = __DRI_IMAGE_FORMAT_ARGB8888; |
| break; |
| case GBM_FORMAT_ABGR8888: |
| dri_format = __DRI_IMAGE_FORMAT_ABGR8888; |
| break; |
| default: |
| return NULL; |
| } |
| if (usage & GBM_BO_USE_SCANOUT) |
| dri_use |= __DRI_IMAGE_USE_SCANOUT; |
| if (usage & GBM_BO_USE_CURSOR_64X64) |
| dri_use |= __DRI_IMAGE_USE_CURSOR; |
| /* Gallium drivers requires shared in order to get the handle/stride */ |
| dri_use |= __DRI_IMAGE_USE_SHARE; |
| bo->image = |
| dri->image->createImage(dri->screen, |
| width, height, |
| dri_format, dri_use, |
| bo); |
| if (bo->image == NULL) |
| return NULL; |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, |
| &bo->base.base.handle.s32); |
| dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, |
| (int *) &bo->base.base.stride); |
| printf("gbm_dri_bo_create bo: %p handle %d" |
| " width: %d height: %d pitch: %d format %d\n",bo, bo->base.base.handle.s32, |
| bo->base.base.width, bo->base.base.height, |
| (int)bo->base.base.stride,bo->base.base.format); |
| return &bo->base.base; |
| } |
| static struct gbm_surface * |
| gbm_dri_surface_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags) |
| { |
| struct gbm_dri_surface *surf; |
| surf = calloc(1, sizeof *surf); |
| if (surf == NULL) |
| return NULL; |
| surf->base.gbm = gbm; |
| surf->base.width = width; |
| surf->base.height = height; |
| surf->base.format = format; |
| surf->base.flags = flags; |
| return &surf->base; |
| } |
| static void |
| gbm_dri_surface_destroy(struct gbm_surface *_surf) |
| { |
| struct gbm_dri_surface *surf = gbm_dri_surface(_surf); |
| free(surf); |
| } |
| static void |
| dri_destroy(struct gbm_device *gbm) |
| { |
| struct gbm_dri_device *dri = gbm_dri_device(gbm); |
| dri->core->destroyScreen(dri->screen); |
| free(dri->driver_configs); |
| // dlclose(dri->driver); |
| free(dri->base.driver_name); |
| free(dri); |
| } |
| static struct gbm_device * |
| dri_device_create(int fd) |
| { |
| struct gbm_dri_device *dri; |
| int ret; |
| dri = calloc(1, sizeof *dri); |
| dri->base.base.fd = fd; |
| dri->base.base.bo_create = gbm_dri_bo_create; |
| dri->base.base.bo_import = gbm_dri_bo_import; |
| dri->base.base.is_format_supported = gbm_dri_is_format_supported; |
| dri->base.base.bo_write = gbm_dri_bo_write; |
| dri->base.base.bo_destroy = gbm_dri_bo_destroy; |
| dri->base.base.destroy = dri_destroy; |
| dri->base.base.surface_create = gbm_dri_surface_create; |
| dri->base.base.surface_destroy = gbm_dri_surface_destroy; |
| dri->base.type = GBM_DRM_DRIVER_TYPE_DRI; |
| dri->base.base.name = "drm"; |
| ret = dri_screen_create(dri); |
| if (ret) |
| goto err_dri; |
| return &dri->base.base; |
| err_dri: |
| free(dri); |
| return NULL; |
| } |
| struct gbm_backend gbm_dri_backend = { |
| .backend_name = "dri", |
| .create_device = dri_device_create, |
| }; |
| /contrib/sdk/sources/Mesa/src/gbm/backends/dri/gbm_driint.h |
|---|
| 0,0 → 1,108 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #ifndef _GBM_DRI_INTERNAL_H_ |
| #define _GBM_DRI_INTERNAL_H_ |
| #include "gbmint.h" |
| #include "common.h" |
| #include "common_drm.h" |
| #include <GL/gl.h> /* dri_interface needs GL types */ |
| #include "GL/internal/dri_interface.h" |
| struct gbm_dri_surface; |
| struct gbm_dri_device { |
| struct gbm_drm_device base; |
| void *driver; |
| __DRIscreen *screen; |
| __DRIcoreExtension *core; |
| __DRIdri2Extension *dri2; |
| __DRIimageExtension *image; |
| __DRI2flushExtension *flush; |
| __DRIdri2LoaderExtension *loader; |
| const __DRIconfig **driver_configs; |
| const __DRIextension *extensions[4]; |
| __DRIimage *(*lookup_image)(__DRIscreen *screen, void *image, void *data); |
| void *lookup_user_data; |
| __DRIbuffer *(*get_buffers)(__DRIdrawable * driDrawable, |
| int *width, int *height, |
| unsigned int *attachments, int count, |
| int *out_count, void *data); |
| void (*flush_front_buffer)(__DRIdrawable * driDrawable, void *data); |
| __DRIbuffer *(*get_buffers_with_format)(__DRIdrawable * driDrawable, |
| int *width, int *height, |
| unsigned int *attachments, int count, |
| int *out_count, void *data); |
| }; |
| struct gbm_dri_bo { |
| struct gbm_drm_bo base; |
| __DRIimage *image; |
| /* Only used for cursors */ |
| uint32_t handle, size; |
| void *map; |
| }; |
| struct gbm_dri_surface { |
| struct gbm_surface base; |
| void *dri_private; |
| }; |
| static inline struct gbm_dri_device * |
| gbm_dri_device(struct gbm_device *gbm) |
| { |
| return (struct gbm_dri_device *) gbm; |
| } |
| static inline struct gbm_dri_bo * |
| gbm_dri_bo(struct gbm_bo *bo) |
| { |
| return (struct gbm_dri_bo *) bo; |
| } |
| static inline struct gbm_dri_surface * |
| gbm_dri_surface(struct gbm_surface *surface) |
| { |
| return (struct gbm_dri_surface *) surface; |
| } |
| char * |
| dri_fd_get_driver_name(int fd); |
| #endif |
| /contrib/sdk/sources/Mesa/src/gbm/main/backend.c |
|---|
| 0,0 → 1,138 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #include <stdio.h> |
| #include <stddef.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <limits.h> |
| //#include <dlfcn.h> |
| #include "backend.h" |
| #define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) |
| extern const struct gbm_backend gbm_dri_backend; |
| struct backend_desc { |
| const char *name; |
| const struct gbm_backend *builtin; |
| }; |
| static const struct backend_desc backends[] = { |
| { "gbm_dri.so", &gbm_dri_backend } |
| // { "gbm_gallium_drm.so", NULL }, |
| }; |
| #if 0 |
| static const void * |
| load_backend(const struct backend_desc *backend) |
| { |
| char path[PATH_MAX]; |
| const void *init = NULL; |
| void *module; |
| const char *name; |
| const char *entrypoint = "gbm_backend"; |
| if (backend == NULL) |
| return NULL; |
| name = backend->name; |
| if (backend->builtin) { |
| init = backend->builtin; |
| } else { |
| #if 0 |
| if (name[0] != '/') |
| snprintf(path, sizeof path, MODULEDIR "/%s", name); |
| else |
| snprintf(path, sizeof path, "%s", name); |
| module = dlopen(path, RTLD_NOW | RTLD_GLOBAL); |
| if (!module) { |
| fprintf(stderr, |
| "failed to load module: %s\n", dlerror()); |
| return NULL; |
| } |
| init = dlsym(module, entrypoint); |
| if (!init) |
| #endif |
| return NULL; |
| } |
| return init; |
| } |
| static const struct backend_desc * |
| find_backend(const char *name) |
| { |
| const struct backend_desc *backend = NULL; |
| int i; |
| for (i = 0; i < ARRAY_SIZE(backends); ++i) { |
| if (strcmp(backends[i].name, name) == 0) { |
| backend = &backends[i]; |
| break; |
| } |
| } |
| return backend; |
| } |
| #endif |
| struct gbm_device * |
| _gbm_create_device(int fd) |
| { |
| const struct gbm_backend *backend = NULL; |
| struct gbm_device *dev = NULL; |
| #if 0 |
| int i; |
| const char *b; |
| b = getenv("GBM_BACKEND"); |
| if (b) |
| backend = load_backend(find_backend(b)); |
| if (backend) |
| dev = backend->create_device(fd); |
| for (i = 0; i < ARRAY_SIZE(backends) && dev == NULL; ++i) { |
| backend = load_backend(&backends[i]); |
| if (backend == NULL) |
| continue; |
| dev = backend->create_device(fd); |
| } |
| #endif |
| backend = &gbm_dri_backend; |
| dev = backend->create_device(fd); |
| return dev; |
| } |
| /contrib/sdk/sources/Mesa/src/gbm/main/backend.h |
|---|
| 0,0 → 1,36 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #ifndef MODULE_H_ |
| #define MODULE_H_ |
| #include "gbmint.h" |
| struct gbm_device * |
| _gbm_create_device(int fd); |
| #endif |
| /contrib/sdk/sources/Mesa/src/gbm/main/common.c |
|---|
| 0,0 → 1,88 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <libudev.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include "common.h" |
| #include "gbmint.h" |
| GBM_EXPORT struct udev_device * |
| _gbm_udev_device_new_from_fd(struct udev *udev, int fd) |
| { |
| struct udev_device *device; |
| struct stat buf; |
| if (fstat(fd, &buf) < 0) { |
| fprintf(stderr, "gbm: failed to stat fd %d", fd); |
| return NULL; |
| } |
| device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev); |
| if (device == NULL) { |
| fprintf(stderr, |
| "gbm: could not create udev device for fd %d", fd); |
| return NULL; |
| } |
| return device; |
| } |
| GBM_EXPORT char * |
| _gbm_fd_get_device_name(int fd) |
| { |
| struct udev *udev; |
| struct udev_device *device; |
| const char *const_device_name; |
| char *device_name = NULL; |
| udev = udev_new(); |
| device = _gbm_udev_device_new_from_fd(udev, fd); |
| if (device == NULL) |
| return NULL; |
| const_device_name = udev_device_get_devnode(device); |
| if (!const_device_name) |
| goto out; |
| device_name = strdup(const_device_name); |
| out: |
| udev_device_unref(device); |
| udev_unref(udev); |
| return device_name; |
| } |
| GBM_EXPORT void |
| _gbm_log(const char *fmt_str, ...) |
| { |
| } |
| /contrib/sdk/sources/Mesa/src/gbm/main/common.h |
|---|
| 0,0 → 1,42 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #ifndef _COMMON_H_ |
| #define _COMMON_H_ |
| //#include <libudev.h> |
| //struct udev_device * |
| //_gbm_udev_device_new_from_fd(struct udev *udev, int fd); |
| char * |
| _gbm_fd_get_device_name(int fd); |
| void |
| _gbm_log(const char *fmt_str, ...); |
| #endif |
| /contrib/sdk/sources/Mesa/src/gbm/main/common_drm.h |
|---|
| 0,0 → 1,48 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #ifndef _COMMON_DRM_H_ |
| #define _COMMON_DRM_H_ |
| #include "gbmint.h" |
| enum gbm_drm_driver_type { |
| GBM_DRM_DRIVER_TYPE_DRI, |
| GBM_DRM_DRIVER_TYPE_GALLIUM, |
| }; |
| struct gbm_drm_device { |
| struct gbm_device base; |
| enum gbm_drm_driver_type type; |
| char *driver_name; |
| }; |
| struct gbm_drm_bo { |
| struct gbm_bo base; |
| }; |
| #endif |
| /contrib/sdk/sources/Mesa/src/gbm/main/gbm.c |
|---|
| 0,0 → 1,469 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #define _BSD_SOURCE |
| #include <stddef.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include "gbm.h" |
| #include "gbmint.h" |
| #include "common.h" |
| #include "backend.h" |
| #define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) |
| struct gbm_device *devices[16]; |
| static int device_num = 0; |
| /** Returns the file description for the gbm device |
| * |
| * \return The fd that the struct gbm_device was created with |
| */ |
| GBM_EXPORT int |
| gbm_device_get_fd(struct gbm_device *gbm) |
| { |
| return gbm->fd; |
| } |
| /* FIXME: maybe superfluous, use udev subclass from the fd? */ |
| /** Get the backend name for the given gbm device |
| * |
| * \return The backend name string - this belongs to the device and must not |
| * be freed |
| */ |
| GBM_EXPORT const char * |
| gbm_device_get_backend_name(struct gbm_device *gbm) |
| { |
| return gbm->name; |
| } |
| /** Test if a format is supported for a given set of usage flags. |
| * |
| * \param gbm The created buffer manager |
| * \param format The format to test |
| * \param usage A bitmask of the usages to test the format against |
| * \return 1 if the format is supported otherwise 0 |
| * |
| * \sa enum gbm_bo_flags for the list of flags that the format can be |
| * tested against |
| * |
| * \sa enum gbm_bo_format for the list of formats |
| */ |
| int |
| gbm_device_is_format_supported(struct gbm_device *gbm, |
| uint32_t format, uint32_t usage) |
| { |
| return gbm->is_format_supported(gbm, format, usage); |
| } |
| /** Destroy the gbm device and free all resources associated with it. |
| * |
| * \param gbm The device created using gbm_create_device() |
| */ |
| GBM_EXPORT void |
| gbm_device_destroy(struct gbm_device *gbm) |
| { |
| gbm->refcount--; |
| if (gbm->refcount == 0) |
| gbm->destroy(gbm); |
| } |
| #if 0 |
| GBM_EXPORT struct gbm_device * |
| _gbm_mesa_get_device(int fd) |
| { |
| struct gbm_device *gbm = NULL; |
| struct stat buf; |
| dev_t dev; |
| int i; |
| for (i = 0; i < device_num; ++i) { |
| dev = devices[i]->stat.st_rdev; |
| if (major(dev) == major(buf.st_rdev) && |
| minor(dev) == minor(buf.st_rdev)) { |
| gbm = devices[i]; |
| gbm->refcount++; |
| break; |
| } |
| } |
| return gbm; |
| } |
| #endif |
| /** Create a gbm device for allocating buffers |
| * |
| * The file descriptor passed in is used by the backend to communicate with |
| * platform for allocating the memory. For allocations using DRI this would be |
| * the file descriptor returned when opening a device such as \c |
| * /dev/dri/card0 |
| * |
| * \param fd The file descriptor for an backend specific device |
| * \return The newly created struct gbm_device. The resources associated with |
| * the device should be freed with gbm_device_destroy() when it is no longer |
| * needed. If the creation of the device failed NULL will be returned. |
| */ |
| GBM_EXPORT struct gbm_device * |
| gbm_create_device(int fd) |
| { |
| struct gbm_device *gbm = NULL; |
| struct stat buf; |
| if (fd == 0) { |
| fprintf(stderr, "gbm_create_device: invalid fd: %d\n", fd); |
| return NULL; |
| } |
| if (device_num == 0) |
| memset(devices, 0, sizeof devices); |
| gbm = _gbm_create_device(fd); |
| if (gbm == NULL) |
| return NULL; |
| gbm->dummy = gbm_create_device; |
| gbm->stat = buf; |
| gbm->refcount = 1; |
| if (device_num < ARRAY_SIZE(devices)-1) |
| devices[device_num++] = gbm; |
| return gbm; |
| } |
| /** Get the width of the buffer object |
| * |
| * \param bo The buffer object |
| * \return The width of the allocated buffer object |
| * |
| */ |
| GBM_EXPORT unsigned int |
| gbm_bo_get_width(struct gbm_bo *bo) |
| { |
| return bo->width; |
| } |
| /** Get the height of the buffer object |
| * |
| * \param bo The buffer object |
| * \return The height of the allocated buffer object |
| */ |
| GBM_EXPORT unsigned int |
| gbm_bo_get_height(struct gbm_bo *bo) |
| { |
| return bo->height; |
| } |
| /** Get the stride of the buffer object |
| * |
| * This is calculated by the backend when it does the allocation in |
| * gbm_bo_create() |
| * |
| * \param bo The buffer object |
| * \return The stride of the allocated buffer object in bytes |
| */ |
| GBM_EXPORT uint32_t |
| gbm_bo_get_stride(struct gbm_bo *bo) |
| { |
| return bo->stride; |
| } |
| /** Get the format of the buffer object |
| * |
| * The format of the pixels in the buffer. |
| * |
| * \param bo The buffer object |
| * \return The format of buffer object, on of the GBM_FORMAT_* codes |
| */ |
| GBM_EXPORT uint32_t |
| gbm_bo_get_format(struct gbm_bo *bo) |
| { |
| return bo->format; |
| } |
| /** Get the handle of the buffer object |
| * |
| * This is stored in the platform generic union gbm_bo_handle type. However |
| * the format of this handle is platform specific. |
| * |
| * \param bo The buffer object |
| * \return Returns the handle of the allocated buffer object |
| */ |
| GBM_EXPORT union gbm_bo_handle |
| gbm_bo_get_handle(struct gbm_bo *bo) |
| { |
| return bo->handle; |
| } |
| /** Write data into the buffer object |
| * |
| * If the buffer object was created with the GBM_BO_USE_WRITE flag, |
| * this function can used to write data into the buffer object. The |
| * data is copied directly into the object and it's the responsiblity |
| * of the caller to make sure the data represents valid pixel data, |
| * according to the width, height, stride and format of the buffer object. |
| * |
| * \param bo The buffer object |
| * \param buf The data to write |
| * \param count The number of bytes to write |
| * \return Returns -1 on error, 0 otherwise |
| */ |
| GBM_EXPORT int |
| gbm_bo_write(struct gbm_bo *bo, const void *buf, size_t count) |
| { |
| return bo->gbm->bo_write(bo, buf, count); |
| } |
| /** Get the gbm device used to create the buffer object |
| * |
| * \param bo The buffer object |
| * \return Returns the gbm device with which the buffer object was created |
| */ |
| GBM_EXPORT struct gbm_device * |
| gbm_bo_get_device(struct gbm_bo *bo) |
| { |
| return bo->gbm; |
| } |
| /** Set the user data associated with a buffer object |
| * |
| * \param bo The buffer object |
| * \param data The data to associate to the buffer object |
| * \param destroy_user_data A callback (which may be %NULL) that will be |
| * called prior to the buffer destruction |
| */ |
| GBM_EXPORT void |
| gbm_bo_set_user_data(struct gbm_bo *bo, void *data, |
| void (*destroy_user_data)(struct gbm_bo *, void *)) |
| { |
| bo->user_data = data; |
| bo->destroy_user_data = destroy_user_data; |
| } |
| /** Get the user data associated with a buffer object |
| * |
| * \param bo The buffer object |
| * \return Returns the user data associated with the buffer object or %NULL |
| * if no data was associated with it |
| * |
| * \sa gbm_bo_set_user_data() |
| */ |
| GBM_EXPORT void * |
| gbm_bo_get_user_data(struct gbm_bo *bo) |
| { |
| return bo->user_data; |
| } |
| /** |
| * Destroys the given buffer object and frees all resources associated with |
| * it. |
| * |
| * \param bo The buffer object |
| */ |
| GBM_EXPORT void |
| gbm_bo_destroy(struct gbm_bo *bo) |
| { |
| if (bo->destroy_user_data) |
| bo->destroy_user_data(bo, bo->user_data); |
| bo->gbm->bo_destroy(bo); |
| } |
| /** |
| * Allocate a buffer object for the given dimensions |
| * |
| * \param gbm The gbm device returned from gbm_create_device() |
| * \param width The width for the buffer |
| * \param height The height for the buffer |
| * \param format The format to use for the buffer |
| * \param usage The union of the usage flags for this buffer |
| * |
| * \return A newly allocated buffer that should be freed with gbm_bo_destroy() |
| * when no longer needed. If an error occurs during allocation %NULL will be |
| * returned. |
| * |
| * \sa enum gbm_bo_format for the list of formats |
| * \sa enum gbm_bo_flags for the list of usage flags |
| */ |
| GBM_EXPORT struct gbm_bo * |
| gbm_bo_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t usage) |
| { |
| if (width == 0 || height == 0) |
| return NULL; |
| if (usage & GBM_BO_USE_CURSOR_64X64 && |
| (width != 64 || height != 64)) |
| return NULL; |
| return gbm->bo_create(gbm, width, height, format, usage); |
| } |
| /** |
| * Create a gbm buffer object from an foreign object |
| * |
| * This function imports a foreign object and creates a new gbm bo for it. |
| * This enabled using the foreign object with a display API such as KMS. |
| * Currently two types of foreign objects are supported, indicated by the type |
| * argument: |
| * |
| * GBM_BO_IMPORT_WL_BUFFER |
| * GBM_BO_IMPORT_EGL_IMAGE |
| * |
| * The the gbm bo shares the underlying pixels but its life-time is |
| * independent of the foreign object. |
| * |
| * \param gbm The gbm device returned from gbm_create_device() |
| * \param gbm The type of object we're importing |
| * \param gbm Pointer to the external object |
| * \param usage The union of the usage flags for this buffer |
| * |
| * \return A newly allocated buffer object that should be freed with |
| * gbm_bo_destroy() when no longer needed. |
| * |
| * \sa enum gbm_bo_flags for the list of usage flags |
| */ |
| GBM_EXPORT struct gbm_bo * |
| gbm_bo_import(struct gbm_device *gbm, |
| uint32_t type, void *buffer, uint32_t usage) |
| { |
| return gbm->bo_import(gbm, type, buffer, usage); |
| } |
| /** |
| * Allocate a surface object |
| * |
| * \param gbm The gbm device returned from gbm_create_device() |
| * \param width The width for the surface |
| * \param height The height for the surface |
| * \param format The format to use for the surface |
| * |
| * \return A newly allocated surface that should be freed with |
| * gbm_surface_destroy() when no longer needed. If an error occurs |
| * during allocation %NULL will be returned. |
| * |
| * \sa enum gbm_bo_format for the list of formats |
| */ |
| GBM_EXPORT struct gbm_surface * |
| gbm_surface_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags) |
| { |
| return gbm->surface_create(gbm, width, height, format, flags); |
| } |
| /** |
| * Destroys the given surface and frees all resources associated with |
| * it. |
| * |
| * All buffers locked with gbm_surface_lock_front_buffer() should be |
| * released prior to calling this function. |
| * |
| * \param surf The surface |
| */ |
| GBM_EXPORT void |
| gbm_surface_destroy(struct gbm_surface *surf) |
| { |
| surf->gbm->surface_destroy(surf); |
| } |
| /** |
| * Lock the surface's current front buffer |
| * |
| * Lock rendering to the surface's current front buffer until it is |
| * released with gbm_surface_release_buffer(). |
| * |
| * This function must be called exactly once after calling |
| * eglSwapBuffers. Calling it before any eglSwapBuffer has happened |
| * on the surface or two or more times after eglSwapBuffers is an |
| * error. A new bo representing the new front buffer is returned. On |
| * multiple invocations, all the returned bos must be released in |
| * order to release the actual surface buffer. |
| * |
| * \param surf The surface |
| * |
| * \return A buffer object that should be released with |
| * gbm_surface_release_buffer() when no longer needed. The implementation |
| * is free to reuse buffers released with gbm_surface_release_buffer() so |
| * this bo should not be destroyed using gbm_bo_destroy(). If an error |
| * occurs this function returns %NULL. |
| */ |
| GBM_EXPORT struct gbm_bo * |
| gbm_surface_lock_front_buffer(struct gbm_surface *surf) |
| { |
| return surf->gbm->surface_lock_front_buffer(surf); |
| } |
| /** |
| * Release a locked buffer obtained with gbm_surface_lock_front_buffer() |
| * |
| * Returns the underlying buffer to the gbm surface. Releasing a bo |
| * will typically make gbm_surface_has_free_buffer() return 1 and thus |
| * allow rendering the next frame, but not always. The implementation |
| * may choose to destroy the bo immediately or reuse it, in which case |
| * the user data associated with it is unchanged. |
| * |
| * \param surf The surface |
| * \param bo The buffer object |
| */ |
| GBM_EXPORT void |
| gbm_surface_release_buffer(struct gbm_surface *surf, struct gbm_bo *bo) |
| { |
| surf->gbm->surface_release_buffer(surf, bo); |
| } |
| /** |
| * Return whether or not a surface has free (non-locked) buffers |
| * |
| * Before starting a new frame, the surface must have a buffer |
| * available for rendering. Initially, a gbm surface will have a free |
| * buffer, but after one of more buffers have been locked (\sa |
| * gbm_surface_lock_front_buffer()), the application must check for a |
| * free buffer before rendering. |
| * |
| * If a surface doesn't have a free buffer, the application must |
| * return a buffer to the surface using gbm_surface_release_buffer() |
| * and after that, the application can query for free buffers again. |
| * |
| * \param surf The surface |
| * \return 1 if the surface has free buffers, 0 otherwise |
| */ |
| GBM_EXPORT int |
| gbm_surface_has_free_buffers(struct gbm_surface *surf) |
| { |
| return surf->gbm->surface_has_free_buffers(surf); |
| } |
| /contrib/sdk/sources/Mesa/src/gbm/main/gbm.c.bak |
|---|
| 0,0 → 1,472 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #define _BSD_SOURCE |
| #include <stddef.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include "gbm.h" |
| #include "gbmint.h" |
| #include "common.h" |
| #include "backend.h" |
| #define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) |
| struct gbm_device *devices[16]; |
| static int device_num = 0; |
| /** Returns the file description for the gbm device |
| * |
| * \return The fd that the struct gbm_device was created with |
| */ |
| GBM_EXPORT int |
| gbm_device_get_fd(struct gbm_device *gbm) |
| { |
| return gbm->fd; |
| } |
| /* FIXME: maybe superfluous, use udev subclass from the fd? */ |
| /** Get the backend name for the given gbm device |
| * |
| * \return The backend name string - this belongs to the device and must not |
| * be freed |
| */ |
| GBM_EXPORT const char * |
| gbm_device_get_backend_name(struct gbm_device *gbm) |
| { |
| return gbm->name; |
| } |
| /** Test if a format is supported for a given set of usage flags. |
| * |
| * \param gbm The created buffer manager |
| * \param format The format to test |
| * \param usage A bitmask of the usages to test the format against |
| * \return 1 if the format is supported otherwise 0 |
| * |
| * \sa enum gbm_bo_flags for the list of flags that the format can be |
| * tested against |
| * |
| * \sa enum gbm_bo_format for the list of formats |
| */ |
| int |
| gbm_device_is_format_supported(struct gbm_device *gbm, |
| uint32_t format, uint32_t usage) |
| { |
| return gbm->is_format_supported(gbm, format, usage); |
| } |
| /** Destroy the gbm device and free all resources associated with it. |
| * |
| * \param gbm The device created using gbm_create_device() |
| */ |
| GBM_EXPORT void |
| gbm_device_destroy(struct gbm_device *gbm) |
| { |
| gbm->refcount--; |
| if (gbm->refcount == 0) |
| gbm->destroy(gbm); |
| } |
| #if 0 |
| GBM_EXPORT struct gbm_device * |
| _gbm_mesa_get_device(int fd) |
| { |
| struct gbm_device *gbm = NULL; |
| struct stat buf; |
| dev_t dev; |
| int i; |
| for (i = 0; i < device_num; ++i) { |
| dev = devices[i]->stat.st_rdev; |
| if (major(dev) == major(buf.st_rdev) && |
| minor(dev) == minor(buf.st_rdev)) { |
| gbm = devices[i]; |
| gbm->refcount++; |
| break; |
| } |
| } |
| return gbm; |
| } |
| #endif |
| /** Create a gbm device for allocating buffers |
| * |
| * The file descriptor passed in is used by the backend to communicate with |
| * platform for allocating the memory. For allocations using DRI this would be |
| * the file descriptor returned when opening a device such as \c |
| * /dev/dri/card0 |
| * |
| * \param fd The file descriptor for an backend specific device |
| * \return The newly created struct gbm_device. The resources associated with |
| * the device should be freed with gbm_device_destroy() when it is no longer |
| * needed. If the creation of the device failed NULL will be returned. |
| */ |
| GBM_EXPORT struct gbm_device * |
| gbm_create_device(int fd) |
| { |
| struct gbm_device *gbm = NULL; |
| struct stat buf; |
| if (fd == 0) { |
| fprintf(stderr, "gbm_create_device: invalid fd: %d\n", fd); |
| return NULL; |
| } |
| if (device_num == 0) |
| memset(devices, 0, sizeof devices); |
| gbm = _gbm_create_device(fd); |
| if (gbm == NULL) |
| return NULL; |
| gbm->dummy = gbm_create_device; |
| gbm->stat = buf; |
| gbm->refcount = 1; |
| if (device_num < ARRAY_SIZE(devices)-1) |
| devices[device_num++] = gbm; |
| return gbm; |
| } |
| /** Get the width of the buffer object |
| * |
| * \param bo The buffer object |
| * \return The width of the allocated buffer object |
| * |
| */ |
| GBM_EXPORT unsigned int |
| gbm_bo_get_width(struct gbm_bo *bo) |
| { |
| return bo->width; |
| } |
| /** Get the height of the buffer object |
| * |
| * \param bo The buffer object |
| * \return The height of the allocated buffer object |
| */ |
| GBM_EXPORT unsigned int |
| gbm_bo_get_height(struct gbm_bo *bo) |
| { |
| return bo->height; |
| } |
| /** Get the stride of the buffer object |
| * |
| * This is calculated by the backend when it does the allocation in |
| * gbm_bo_create() |
| * |
| * \param bo The buffer object |
| * \return The stride of the allocated buffer object in bytes |
| */ |
| GBM_EXPORT uint32_t |
| gbm_bo_get_stride(struct gbm_bo *bo) |
| { |
| return bo->stride; |
| } |
| /** Get the format of the buffer object |
| * |
| * The format of the pixels in the buffer. |
| * |
| * \param bo The buffer object |
| * \return The format of buffer object, on of the GBM_FORMAT_* codes |
| */ |
| GBM_EXPORT uint32_t |
| gbm_bo_get_format(struct gbm_bo *bo) |
| { |
| return bo->format; |
| } |
| /** Get the handle of the buffer object |
| * |
| * This is stored in the platform generic union gbm_bo_handle type. However |
| * the format of this handle is platform specific. |
| * |
| * \param bo The buffer object |
| * \return Returns the handle of the allocated buffer object |
| */ |
| GBM_EXPORT union gbm_bo_handle |
| gbm_bo_get_handle(struct gbm_bo *bo) |
| { |
| return bo->handle; |
| } |
| /** Write data into the buffer object |
| * |
| * If the buffer object was created with the GBM_BO_USE_WRITE flag, |
| * this function can used to write data into the buffer object. The |
| * data is copied directly into the object and it's the responsiblity |
| * of the caller to make sure the data represents valid pixel data, |
| * according to the width, height, stride and format of the buffer object. |
| * |
| * \param bo The buffer object |
| * \param buf The data to write |
| * \param count The number of bytes to write |
| * \return Returns -1 on error, 0 otherwise |
| */ |
| GBM_EXPORT int |
| gbm_bo_write(struct gbm_bo *bo, const void *buf, size_t count) |
| { |
| return bo->gbm->bo_write(bo, buf, count); |
| } |
| /** Get the gbm device used to create the buffer object |
| * |
| * \param bo The buffer object |
| * \return Returns the gbm device with which the buffer object was created |
| */ |
| GBM_EXPORT struct gbm_device * |
| gbm_bo_get_device(struct gbm_bo *bo) |
| { |
| return bo->gbm; |
| } |
| /** Set the user data associated with a buffer object |
| * |
| * \param bo The buffer object |
| * \param data The data to associate to the buffer object |
| * \param destroy_user_data A callback (which may be %NULL) that will be |
| * called prior to the buffer destruction |
| */ |
| GBM_EXPORT void |
| gbm_bo_set_user_data(struct gbm_bo *bo, void *data, |
| void (*destroy_user_data)(struct gbm_bo *, void *)) |
| { |
| bo->user_data = data; |
| bo->destroy_user_data = destroy_user_data; |
| } |
| /** Get the user data associated with a buffer object |
| * |
| * \param bo The buffer object |
| * \return Returns the user data associated with the buffer object or %NULL |
| * if no data was associated with it |
| * |
| * \sa gbm_bo_set_user_data() |
| */ |
| GBM_EXPORT void * |
| gbm_bo_get_user_data(struct gbm_bo *bo) |
| { |
| return bo->user_data; |
| } |
| /** |
| * Destroys the given buffer object and frees all resources associated with |
| * it. |
| * |
| * \param bo The buffer object |
| */ |
| GBM_EXPORT void |
| gbm_bo_destroy(struct gbm_bo *bo) |
| { |
| if (bo->destroy_user_data) |
| bo->destroy_user_data(bo, bo->user_data); |
| bo->gbm->bo_destroy(bo); |
| } |
| /** |
| * Allocate a buffer object for the given dimensions |
| * |
| * \param gbm The gbm device returned from gbm_create_device() |
| * \param width The width for the buffer |
| * \param height The height for the buffer |
| * \param format The format to use for the buffer |
| * \param usage The union of the usage flags for this buffer |
| * |
| * \return A newly allocated buffer that should be freed with gbm_bo_destroy() |
| * when no longer needed. If an error occurs during allocation %NULL will be |
| * returned. |
| * |
| * \sa enum gbm_bo_format for the list of formats |
| * \sa enum gbm_bo_flags for the list of usage flags |
| */ |
| GBM_EXPORT struct gbm_bo * |
| gbm_bo_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t usage) |
| { |
| printf("gbm_bo_create w: %d h: %d format %d usage %x\n", |
| width, height, format, usage); |
| if (width == 0 || height == 0) |
| return NULL; |
| if (usage & GBM_BO_USE_CURSOR_64X64 && |
| (width != 64 || height != 64)) |
| return NULL; |
| return gbm->bo_create(gbm, width, height, format, usage); |
| } |
| /** |
| * Create a gbm buffer object from an foreign object |
| * |
| * This function imports a foreign object and creates a new gbm bo for it. |
| * This enabled using the foreign object with a display API such as KMS. |
| * Currently two types of foreign objects are supported, indicated by the type |
| * argument: |
| * |
| * GBM_BO_IMPORT_WL_BUFFER |
| * GBM_BO_IMPORT_EGL_IMAGE |
| * |
| * The the gbm bo shares the underlying pixels but its life-time is |
| * independent of the foreign object. |
| * |
| * \param gbm The gbm device returned from gbm_create_device() |
| * \param gbm The type of object we're importing |
| * \param gbm Pointer to the external object |
| * \param usage The union of the usage flags for this buffer |
| * |
| * \return A newly allocated buffer object that should be freed with |
| * gbm_bo_destroy() when no longer needed. |
| * |
| * \sa enum gbm_bo_flags for the list of usage flags |
| */ |
| GBM_EXPORT struct gbm_bo * |
| gbm_bo_import(struct gbm_device *gbm, |
| uint32_t type, void *buffer, uint32_t usage) |
| { |
| return gbm->bo_import(gbm, type, buffer, usage); |
| } |
| /** |
| * Allocate a surface object |
| * |
| * \param gbm The gbm device returned from gbm_create_device() |
| * \param width The width for the surface |
| * \param height The height for the surface |
| * \param format The format to use for the surface |
| * |
| * \return A newly allocated surface that should be freed with |
| * gbm_surface_destroy() when no longer needed. If an error occurs |
| * during allocation %NULL will be returned. |
| * |
| * \sa enum gbm_bo_format for the list of formats |
| */ |
| GBM_EXPORT struct gbm_surface * |
| gbm_surface_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags) |
| { |
| return gbm->surface_create(gbm, width, height, format, flags); |
| } |
| /** |
| * Destroys the given surface and frees all resources associated with |
| * it. |
| * |
| * All buffers locked with gbm_surface_lock_front_buffer() should be |
| * released prior to calling this function. |
| * |
| * \param surf The surface |
| */ |
| GBM_EXPORT void |
| gbm_surface_destroy(struct gbm_surface *surf) |
| { |
| surf->gbm->surface_destroy(surf); |
| } |
| /** |
| * Lock the surface's current front buffer |
| * |
| * Lock rendering to the surface's current front buffer until it is |
| * released with gbm_surface_release_buffer(). |
| * |
| * This function must be called exactly once after calling |
| * eglSwapBuffers. Calling it before any eglSwapBuffer has happened |
| * on the surface or two or more times after eglSwapBuffers is an |
| * error. A new bo representing the new front buffer is returned. On |
| * multiple invocations, all the returned bos must be released in |
| * order to release the actual surface buffer. |
| * |
| * \param surf The surface |
| * |
| * \return A buffer object that should be released with |
| * gbm_surface_release_buffer() when no longer needed. The implementation |
| * is free to reuse buffers released with gbm_surface_release_buffer() so |
| * this bo should not be destroyed using gbm_bo_destroy(). If an error |
| * occurs this function returns %NULL. |
| */ |
| GBM_EXPORT struct gbm_bo * |
| gbm_surface_lock_front_buffer(struct gbm_surface *surf) |
| { |
| return surf->gbm->surface_lock_front_buffer(surf); |
| } |
| /** |
| * Release a locked buffer obtained with gbm_surface_lock_front_buffer() |
| * |
| * Returns the underlying buffer to the gbm surface. Releasing a bo |
| * will typically make gbm_surface_has_free_buffer() return 1 and thus |
| * allow rendering the next frame, but not always. The implementation |
| * may choose to destroy the bo immediately or reuse it, in which case |
| * the user data associated with it is unchanged. |
| * |
| * \param surf The surface |
| * \param bo The buffer object |
| */ |
| GBM_EXPORT void |
| gbm_surface_release_buffer(struct gbm_surface *surf, struct gbm_bo *bo) |
| { |
| surf->gbm->surface_release_buffer(surf, bo); |
| } |
| /** |
| * Return whether or not a surface has free (non-locked) buffers |
| * |
| * Before starting a new frame, the surface must have a buffer |
| * available for rendering. Initially, a gbm surface will have a free |
| * buffer, but after one of more buffers have been locked (\sa |
| * gbm_surface_lock_front_buffer()), the application must check for a |
| * free buffer before rendering. |
| * |
| * If a surface doesn't have a free buffer, the application must |
| * return a buffer to the surface using gbm_surface_release_buffer() |
| * and after that, the application can query for free buffers again. |
| * |
| * \param surf The surface |
| * \return 1 if the surface has free buffers, 0 otherwise |
| */ |
| GBM_EXPORT int |
| gbm_surface_has_free_buffers(struct gbm_surface *surf) |
| { |
| return surf->gbm->surface_has_free_buffers(surf); |
| } |
| /contrib/sdk/sources/Mesa/src/gbm/main/gbm.h |
|---|
| 0,0 → 1,292 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #ifndef _GBM_H_ |
| #define _GBM_H_ |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| #define __GBM__ 1 |
| #include <stdint.h> |
| /** |
| * \file gbm.h |
| * \brief Generic Buffer Manager |
| */ |
| struct gbm_device; |
| struct gbm_bo; |
| struct gbm_surface; |
| /** |
| * \mainpage The Generic Buffer Manager |
| * |
| * This module provides an abstraction that the caller can use to request a |
| * buffer from the underlying memory management system for the platform. |
| * |
| * This allows the creation of portable code whilst still allowing access to |
| * the underlying memory manager. |
| */ |
| /** |
| * Abstraction representing the handle to a buffer allocated by the |
| * manager |
| */ |
| union gbm_bo_handle { |
| void *ptr; |
| int32_t s32; |
| uint32_t u32; |
| int64_t s64; |
| uint64_t u64; |
| }; |
| /** Format of the allocated buffer */ |
| enum gbm_bo_format { |
| /** RGB with 8 bits per channel in a 32 bit value */ |
| GBM_BO_FORMAT_XRGB8888, |
| /** ARGB with 8 bits per channel in a 32 bit value */ |
| GBM_BO_FORMAT_ARGB8888 |
| }; |
| #define __gbm_fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \ |
| ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24)) |
| #define GBM_FORMAT_BIG_ENDIAN (1<<31) /* format is big endian instead of little endian */ |
| /* color index */ |
| #define GBM_FORMAT_C8 __gbm_fourcc_code('C', '8', ' ', ' ') /* [7:0] C */ |
| /* 8 bpp RGB */ |
| #define GBM_FORMAT_RGB332 __gbm_fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */ |
| #define GBM_FORMAT_BGR233 __gbm_fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */ |
| /* 16 bpp RGB */ |
| #define GBM_FORMAT_XRGB4444 __gbm_fourcc_code('X', 'R', '1', '2') /* [15:0] x:R:G:B 4:4:4:4 little endian */ |
| #define GBM_FORMAT_XBGR4444 __gbm_fourcc_code('X', 'B', '1', '2') /* [15:0] x:B:G:R 4:4:4:4 little endian */ |
| #define GBM_FORMAT_RGBX4444 __gbm_fourcc_code('R', 'X', '1', '2') /* [15:0] R:G:B:x 4:4:4:4 little endian */ |
| #define GBM_FORMAT_BGRX4444 __gbm_fourcc_code('B', 'X', '1', '2') /* [15:0] B:G:R:x 4:4:4:4 little endian */ |
| #define GBM_FORMAT_ARGB4444 __gbm_fourcc_code('A', 'R', '1', '2') /* [15:0] A:R:G:B 4:4:4:4 little endian */ |
| #define GBM_FORMAT_ABGR4444 __gbm_fourcc_code('A', 'B', '1', '2') /* [15:0] A:B:G:R 4:4:4:4 little endian */ |
| #define GBM_FORMAT_RGBA4444 __gbm_fourcc_code('R', 'A', '1', '2') /* [15:0] R:G:B:A 4:4:4:4 little endian */ |
| #define GBM_FORMAT_BGRA4444 __gbm_fourcc_code('B', 'A', '1', '2') /* [15:0] B:G:R:A 4:4:4:4 little endian */ |
| #define GBM_FORMAT_XRGB1555 __gbm_fourcc_code('X', 'R', '1', '5') /* [15:0] x:R:G:B 1:5:5:5 little endian */ |
| #define GBM_FORMAT_XBGR1555 __gbm_fourcc_code('X', 'B', '1', '5') /* [15:0] x:B:G:R 1:5:5:5 little endian */ |
| #define GBM_FORMAT_RGBX5551 __gbm_fourcc_code('R', 'X', '1', '5') /* [15:0] R:G:B:x 5:5:5:1 little endian */ |
| #define GBM_FORMAT_BGRX5551 __gbm_fourcc_code('B', 'X', '1', '5') /* [15:0] B:G:R:x 5:5:5:1 little endian */ |
| #define GBM_FORMAT_ARGB1555 __gbm_fourcc_code('A', 'R', '1', '5') /* [15:0] A:R:G:B 1:5:5:5 little endian */ |
| #define GBM_FORMAT_ABGR1555 __gbm_fourcc_code('A', 'B', '1', '5') /* [15:0] A:B:G:R 1:5:5:5 little endian */ |
| #define GBM_FORMAT_RGBA5551 __gbm_fourcc_code('R', 'A', '1', '5') /* [15:0] R:G:B:A 5:5:5:1 little endian */ |
| #define GBM_FORMAT_BGRA5551 __gbm_fourcc_code('B', 'A', '1', '5') /* [15:0] B:G:R:A 5:5:5:1 little endian */ |
| #define GBM_FORMAT_RGB565 __gbm_fourcc_code('R', 'G', '1', '6') /* [15:0] R:G:B 5:6:5 little endian */ |
| #define GBM_FORMAT_BGR565 __gbm_fourcc_code('B', 'G', '1', '6') /* [15:0] B:G:R 5:6:5 little endian */ |
| /* 24 bpp RGB */ |
| #define GBM_FORMAT_RGB888 __gbm_fourcc_code('R', 'G', '2', '4') /* [23:0] R:G:B little endian */ |
| #define GBM_FORMAT_BGR888 __gbm_fourcc_code('B', 'G', '2', '4') /* [23:0] B:G:R little endian */ |
| /* 32 bpp RGB */ |
| #define GBM_FORMAT_XRGB8888 __gbm_fourcc_code('X', 'R', '2', '4') /* [31:0] x:R:G:B 8:8:8:8 little endian */ |
| #define GBM_FORMAT_XBGR8888 __gbm_fourcc_code('X', 'B', '2', '4') /* [31:0] x:B:G:R 8:8:8:8 little endian */ |
| #define GBM_FORMAT_RGBX8888 __gbm_fourcc_code('R', 'X', '2', '4') /* [31:0] R:G:B:x 8:8:8:8 little endian */ |
| #define GBM_FORMAT_BGRX8888 __gbm_fourcc_code('B', 'X', '2', '4') /* [31:0] B:G:R:x 8:8:8:8 little endian */ |
| #define GBM_FORMAT_ARGB8888 __gbm_fourcc_code('A', 'R', '2', '4') /* [31:0] A:R:G:B 8:8:8:8 little endian */ |
| #define GBM_FORMAT_ABGR8888 __gbm_fourcc_code('A', 'B', '2', '4') /* [31:0] A:B:G:R 8:8:8:8 little endian */ |
| #define GBM_FORMAT_RGBA8888 __gbm_fourcc_code('R', 'A', '2', '4') /* [31:0] R:G:B:A 8:8:8:8 little endian */ |
| #define GBM_FORMAT_BGRA8888 __gbm_fourcc_code('B', 'A', '2', '4') /* [31:0] B:G:R:A 8:8:8:8 little endian */ |
| #define GBM_FORMAT_XRGB2101010 __gbm_fourcc_code('X', 'R', '3', '0') /* [31:0] x:R:G:B 2:10:10:10 little endian */ |
| #define GBM_FORMAT_XBGR2101010 __gbm_fourcc_code('X', 'B', '3', '0') /* [31:0] x:B:G:R 2:10:10:10 little endian */ |
| #define GBM_FORMAT_RGBX1010102 __gbm_fourcc_code('R', 'X', '3', '0') /* [31:0] R:G:B:x 10:10:10:2 little endian */ |
| #define GBM_FORMAT_BGRX1010102 __gbm_fourcc_code('B', 'X', '3', '0') /* [31:0] B:G:R:x 10:10:10:2 little endian */ |
| #define GBM_FORMAT_ARGB2101010 __gbm_fourcc_code('A', 'R', '3', '0') /* [31:0] A:R:G:B 2:10:10:10 little endian */ |
| #define GBM_FORMAT_ABGR2101010 __gbm_fourcc_code('A', 'B', '3', '0') /* [31:0] A:B:G:R 2:10:10:10 little endian */ |
| #define GBM_FORMAT_RGBA1010102 __gbm_fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */ |
| #define GBM_FORMAT_BGRA1010102 __gbm_fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */ |
| /* packed YCbCr */ |
| #define GBM_FORMAT_YUYV __gbm_fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */ |
| #define GBM_FORMAT_YVYU __gbm_fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */ |
| #define GBM_FORMAT_UYVY __gbm_fourcc_code('U', 'Y', 'V', 'Y') /* [31:0] Y1:Cr0:Y0:Cb0 8:8:8:8 little endian */ |
| #define GBM_FORMAT_VYUY __gbm_fourcc_code('V', 'Y', 'U', 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */ |
| #define GBM_FORMAT_AYUV __gbm_fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */ |
| /* |
| * 2 plane YCbCr |
| * index 0 = Y plane, [7:0] Y |
| * index 1 = Cr:Cb plane, [15:0] Cr:Cb little endian |
| * or |
| * index 1 = Cb:Cr plane, [15:0] Cb:Cr little endian |
| */ |
| #define GBM_FORMAT_NV12 __gbm_fourcc_code('N', 'V', '1', '2') /* 2x2 subsampled Cr:Cb plane */ |
| #define GBM_FORMAT_NV21 __gbm_fourcc_code('N', 'V', '2', '1') /* 2x2 subsampled Cb:Cr plane */ |
| #define GBM_FORMAT_NV16 __gbm_fourcc_code('N', 'V', '1', '6') /* 2x1 subsampled Cr:Cb plane */ |
| #define GBM_FORMAT_NV61 __gbm_fourcc_code('N', 'V', '6', '1') /* 2x1 subsampled Cb:Cr plane */ |
| /* |
| * 3 plane YCbCr |
| * index 0: Y plane, [7:0] Y |
| * index 1: Cb plane, [7:0] Cb |
| * index 2: Cr plane, [7:0] Cr |
| * or |
| * index 1: Cr plane, [7:0] Cr |
| * index 2: Cb plane, [7:0] Cb |
| */ |
| #define GBM_FORMAT_YUV410 __gbm_fourcc_code('Y', 'U', 'V', '9') /* 4x4 subsampled Cb (1) and Cr (2) planes */ |
| #define GBM_FORMAT_YVU410 __gbm_fourcc_code('Y', 'V', 'U', '9') /* 4x4 subsampled Cr (1) and Cb (2) planes */ |
| #define GBM_FORMAT_YUV411 __gbm_fourcc_code('Y', 'U', '1', '1') /* 4x1 subsampled Cb (1) and Cr (2) planes */ |
| #define GBM_FORMAT_YVU411 __gbm_fourcc_code('Y', 'V', '1', '1') /* 4x1 subsampled Cr (1) and Cb (2) planes */ |
| #define GBM_FORMAT_YUV420 __gbm_fourcc_code('Y', 'U', '1', '2') /* 2x2 subsampled Cb (1) and Cr (2) planes */ |
| #define GBM_FORMAT_YVU420 __gbm_fourcc_code('Y', 'V', '1', '2') /* 2x2 subsampled Cr (1) and Cb (2) planes */ |
| #define GBM_FORMAT_YUV422 __gbm_fourcc_code('Y', 'U', '1', '6') /* 2x1 subsampled Cb (1) and Cr (2) planes */ |
| #define GBM_FORMAT_YVU422 __gbm_fourcc_code('Y', 'V', '1', '6') /* 2x1 subsampled Cr (1) and Cb (2) planes */ |
| #define GBM_FORMAT_YUV444 __gbm_fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */ |
| #define GBM_FORMAT_YVU444 __gbm_fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */ |
| /** |
| * Flags to indicate the intended use for the buffer - these are passed into |
| * gbm_bo_create(). The caller must set the union of all the flags that are |
| * appropriate |
| * |
| * \sa Use gbm_device_is_format_supported() to check if the combination of format |
| * and use flags are supported |
| */ |
| enum gbm_bo_flags { |
| /** |
| * Buffer is going to be presented to the screen using an API such as KMS |
| */ |
| GBM_BO_USE_SCANOUT = (1 << 0), |
| /** |
| * Buffer is going to be used as cursor - the dimensions for the buffer |
| * must be 64x64 if this flag is passed. |
| */ |
| GBM_BO_USE_CURSOR_64X64 = (1 << 1), |
| /** |
| * Buffer is to be used for rendering - for example it is going to be used |
| * as the storage for a color buffer |
| */ |
| GBM_BO_USE_RENDERING = (1 << 2), |
| /** |
| * Buffer can be used for gbm_bo_write. This is guaranteed to work |
| * with GBM_BO_USE_CURSOR_64X64. but may not work for other |
| * combinations. |
| */ |
| GBM_BO_USE_WRITE = (1 << 3), |
| }; |
| int |
| gbm_device_get_fd(struct gbm_device *gbm); |
| const char * |
| gbm_device_get_backend_name(struct gbm_device *gbm); |
| int |
| gbm_device_is_format_supported(struct gbm_device *gbm, |
| uint32_t format, uint32_t usage); |
| void |
| gbm_device_destroy(struct gbm_device *gbm); |
| struct gbm_device * |
| gbm_create_device(int fd); |
| struct gbm_bo * |
| gbm_bo_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags); |
| #define GBM_BO_IMPORT_WL_BUFFER 0x5501 |
| #define GBM_BO_IMPORT_EGL_IMAGE 0x5502 |
| struct gbm_bo * |
| gbm_bo_import(struct gbm_device *gbm, uint32_t type, |
| void *buffer, uint32_t usage); |
| uint32_t |
| gbm_bo_get_width(struct gbm_bo *bo); |
| uint32_t |
| gbm_bo_get_height(struct gbm_bo *bo); |
| uint32_t |
| gbm_bo_get_stride(struct gbm_bo *bo); |
| uint32_t |
| gbm_bo_get_format(struct gbm_bo *bo); |
| struct gbm_device * |
| gbm_bo_get_device(struct gbm_bo *bo); |
| union gbm_bo_handle |
| gbm_bo_get_handle(struct gbm_bo *bo); |
| int |
| gbm_bo_write(struct gbm_bo *bo, const void *buf, size_t count); |
| void |
| gbm_bo_set_user_data(struct gbm_bo *bo, void *data, |
| void (*destroy_user_data)(struct gbm_bo *, void *)); |
| void * |
| gbm_bo_get_user_data(struct gbm_bo *bo); |
| void |
| gbm_bo_destroy(struct gbm_bo *bo); |
| struct gbm_surface * |
| gbm_surface_create(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags); |
| struct gbm_bo * |
| gbm_surface_lock_front_buffer(struct gbm_surface *surface); |
| void |
| gbm_surface_release_buffer(struct gbm_surface *surface, struct gbm_bo *bo); |
| int |
| gbm_surface_has_free_buffers(struct gbm_surface *surface); |
| void |
| gbm_surface_destroy(struct gbm_surface *surface); |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif |
| /contrib/sdk/sources/Mesa/src/gbm/main/gbm.pc.in |
|---|
| 0,0 → 1,12 |
| prefix=@prefix@ |
| exec_prefix=@exec_prefix@ |
| libdir=@libdir@ |
| includedir=@includedir@ |
| Name: gbm |
| Description: Mesa gbm library |
| Requires.private: @GBM_PC_REQ_PRIV@ |
| Version: @VERSION@ |
| Libs: -L${libdir} -lgbm |
| Libs.private: @GBM_PC_LIB_PRIV@ |
| Cflags: -I${includedir} |
| /contrib/sdk/sources/Mesa/src/gbm/main/gbmint.h |
|---|
| 0,0 → 1,116 |
| /* |
| * Copyright © 2011 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| #ifndef INTERNAL_H_ |
| #define INTERNAL_H_ |
| #include "gbm.h" |
| #include <sys/stat.h> |
| /* GCC visibility */ |
| #if defined(__GNUC__) && __GNUC__ >= 4 |
| #define GBM_EXPORT __attribute__ ((visibility("default"))) |
| #else |
| #define GBM_EXPORT |
| #endif |
| /** |
| * \file gbmint.h |
| * \brief Internal implementation details of gbm |
| */ |
| /** |
| * The device used for the memory allocation. |
| * |
| * The members of this structure should be not accessed directly |
| */ |
| struct gbm_device { |
| /* Hack to make a gbm_device detectable by its first element. */ |
| struct gbm_device *(*dummy)(int); |
| int fd; |
| const char *name; |
| unsigned int refcount; |
| struct stat stat; |
| void (*destroy)(struct gbm_device *gbm); |
| int (*is_format_supported)(struct gbm_device *gbm, |
| uint32_t format, |
| uint32_t usage); |
| struct gbm_bo *(*bo_create)(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, |
| uint32_t usage); |
| struct gbm_bo *(*bo_import)(struct gbm_device *gbm, uint32_t type, |
| void *buffer, uint32_t usage); |
| int (*bo_write)(struct gbm_bo *bo, const void *buf, size_t data); |
| void (*bo_destroy)(struct gbm_bo *bo); |
| struct gbm_surface *(*surface_create)(struct gbm_device *gbm, |
| uint32_t width, uint32_t height, |
| uint32_t format, uint32_t flags); |
| struct gbm_bo *(*surface_lock_front_buffer)(struct gbm_surface *surface); |
| void (*surface_release_buffer)(struct gbm_surface *surface, |
| struct gbm_bo *bo); |
| int (*surface_has_free_buffers)(struct gbm_surface *surface); |
| void (*surface_destroy)(struct gbm_surface *surface); |
| }; |
| /** |
| * The allocated buffer object. |
| * |
| * The members in this structure should not be accessed directly. |
| */ |
| struct gbm_bo { |
| struct gbm_device *gbm; |
| uint32_t width; |
| uint32_t height; |
| uint32_t stride; |
| uint32_t format; |
| union gbm_bo_handle handle; |
| void *user_data; |
| void (*destroy_user_data)(struct gbm_bo *, void *); |
| }; |
| struct gbm_surface { |
| struct gbm_device *gbm; |
| uint32_t width; |
| uint32_t height; |
| uint32_t format; |
| uint32_t flags; |
| }; |
| struct gbm_backend { |
| const char *backend_name; |
| struct gbm_device *(*create_device)(int fd); |
| }; |
| GBM_EXPORT struct gbm_device * |
| _gbm_mesa_get_device(int fd); |
| #endif |