X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=blobdiff_plain;f=src%2Fgbm%2Fbackends%2Fdri%2Fgbm_dri.c;h=aeb13962cdc5ec32b73582e377b4d59acdb98c86;hp=4df6e8fcf06dc40cf395a8f93c25304bbbe7e331;hb=d971a4230d54069c996bca78b6ed6a6a23377821;hpb=fd6acb97fb9164b57daf3ca4b1bd637ca4685b64 diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c index 4df6e8fcf06..aeb13962cdc 100644 --- a/src/gbm/backends/dri/gbm_dri.c +++ b/src/gbm/backends/dri/gbm_dri.c @@ -29,12 +29,17 @@ #include #include #include +#include #include +#include #include +#include #include #include #include +#include +#include #include /* dri_interface needs GL types */ #include @@ -42,6 +47,22 @@ #include "gbm_driint.h" #include "gbmint.h" +#include "loader.h" +#include "util/debug.h" +#include "util/macros.h" + +/* For importing wl_buffer */ +#if HAVE_WAYLAND_PLATFORM +#include "wayland-drm.h" +#endif + +#ifndef DRM_FORMAT_MOD_INVALID +#define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1) +#endif + +#ifndef DRM_FORMAT_MOD_LINEAR +#define DRM_FORMAT_MOD_LINEAR 0 +#endif static __DRIimage * dri_lookup_egl_image(__DRIscreen *screen, void *image, void *data) @@ -97,31 +118,146 @@ dri_get_buffers_with_format(__DRIdrawable * driDrawable, count, out_count, surf->dri_private); } +static int +image_get_buffers(__DRIdrawable *driDrawable, + unsigned int format, + uint32_t *stamp, + void *loaderPrivate, + uint32_t buffer_mask, + struct __DRIimageList *buffers) +{ + struct gbm_dri_surface *surf = loaderPrivate; + struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); + + if (dri->image_get_buffers == NULL) + return 0; + + return dri->image_get_buffers(driDrawable, format, stamp, + surf->dri_private, buffer_mask, buffers); +} + +static void +swrast_get_drawable_info(__DRIdrawable *driDrawable, + int *x, + int *y, + int *width, + int *height, + void *loaderPrivate) +{ + struct gbm_dri_surface *surf = loaderPrivate; + + *x = 0; + *y = 0; + *width = surf->base.width; + *height = surf->base.height; +} + +static void +swrast_put_image2(__DRIdrawable *driDrawable, + int op, + int x, + int y, + int width, + int height, + int stride, + char *data, + void *loaderPrivate) +{ + struct gbm_dri_surface *surf = loaderPrivate; + struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); + + dri->swrast_put_image2(driDrawable, + op, x, y, + width, height, stride, + data, surf->dri_private); +} + +static void +swrast_put_image(__DRIdrawable *driDrawable, + int op, + int x, + int y, + int width, + int height, + char *data, + void *loaderPrivate) +{ + return swrast_put_image2(driDrawable, op, x, y, width, height, + width * 4, data, loaderPrivate); +} + +static void +swrast_get_image(__DRIdrawable *driDrawable, + int x, + int y, + int width, + int height, + char *data, + void *loaderPrivate) +{ + struct gbm_dri_surface *surf = loaderPrivate; + struct gbm_dri_device *dri = gbm_dri_device(surf->base.gbm); + + dri->swrast_get_image(driDrawable, + x, y, + width, height, + data, surf->dri_private); +} + static const __DRIuseInvalidateExtension use_invalidate = { - { __DRI_USE_INVALIDATE, 1 } + .base = { __DRI_USE_INVALIDATE, 1 } }; static const __DRIimageLookupExtension image_lookup_extension = { - { __DRI_IMAGE_LOOKUP, 1 }, - dri_lookup_egl_image + .base = { __DRI_IMAGE_LOOKUP, 1 }, + + .lookupEGLImage = 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, +static const __DRIdri2LoaderExtension dri2_loader_extension = { + .base = { __DRI_DRI2_LOADER, 3 }, + + .getBuffers = dri_get_buffers, + .flushFrontBuffer = dri_flush_front_buffer, + .getBuffersWithFormat = dri_get_buffers_with_format, +}; + +static const __DRIimageLoaderExtension image_loader_extension = { + .base = { __DRI_IMAGE_LOADER, 1 }, + + .getBuffers = image_get_buffers, + .flushFrontBuffer = dri_flush_front_buffer, +}; + +static const __DRIswrastLoaderExtension swrast_loader_extension = { + .base = { __DRI_SWRAST_LOADER, 2 }, + + .getDrawableInfo = swrast_get_drawable_info, + .putImage = swrast_put_image, + .getImage = swrast_get_image, + .putImage2 = swrast_put_image2 +}; + +static const __DRIextension *gbm_dri_screen_extensions[] = { + &image_lookup_extension.base, + &use_invalidate.base, + &dri2_loader_extension.base, + &image_loader_extension.base, + &swrast_loader_extension.base, + NULL, }; struct dri_extension_match { const char *name; int version; int offset; + int optional; }; 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) }, + { __DRI2_FENCE, 1, offsetof(struct gbm_dri_device, fence), 1 }, { NULL, 0, 0 } }; @@ -131,6 +267,12 @@ static struct dri_extension_match gbm_dri_device_extensions[] = { { NULL, 0, 0 } }; +static struct dri_extension_match gbm_swrast_device_extensions[] = { + { __DRI_CORE, 1, offsetof(struct gbm_dri_device, core), }, + { __DRI_SWRAST, 1, offsetof(struct gbm_dri_device, swrast) }, + { NULL, 0, 0 } +}; + static int dri_bind_extensions(struct gbm_dri_device *dri, struct dri_extension_match *matches, @@ -151,7 +293,7 @@ dri_bind_extensions(struct gbm_dri_device *dri, for (j = 0; matches[j].name; j++) { field = ((char *) dri + matches[j].offset); - if (*(const __DRIextension **) field == NULL) { + if ((*(const __DRIextension **) field == NULL) && !matches[j].optional) { ret = -1; } } @@ -159,93 +301,102 @@ dri_bind_extensions(struct gbm_dri_device *dri, return ret; } +static const __DRIextension ** +dri_open_driver(struct gbm_dri_device *dri) +{ + /* Temporarily work around dri driver libs that need symbols in libglapi + * but don't automatically link it in. + */ + /* XXX: Library name differs on per platforms basis. Update this as + * osx/cygwin/windows/bsd gets support for GBM.. + */ + dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL); + + static const char *search_path_vars[] = { + /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH + * is recommended over GBM_DRIVERS_PATH. + */ + "GBM_DRIVERS_PATH" + /* Read LIBGL_DRIVERS_PATH if GBM_DRIVERS_PATH was not set. + * LIBGL_DRIVERS_PATH is recommended over GBM_DRIVERS_PATH. + */ + "LIBGL_DRIVERS_PATH", + NULL + }; + return loader_open_driver(dri->driver_name, &dri->driver, search_path_vars); +} + static int dri_load_driver(struct gbm_dri_device *dri) { const __DRIextension **extensions; - char path[PATH_MAX], *search_paths, *p, *next, *end; - - search_paths = NULL; - 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()); - } - } - if (dri->driver == NULL) { - fprintf(stderr, "gbm: failed to open any driver (search paths %s)", - search_paths); + extensions = dri_open_driver(dri); + if (!extensions) return -1; - } - extensions = dlsym(dri->driver, __DRI_DRIVER_EXTENSIONS); - if (extensions == NULL) { - fprintf(stderr, "gbm: driver exports no extensions (%s)", dlerror()); + if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { dlclose(dri->driver); + fprintf(stderr, "failed to bind extensions\n"); return -1; } + dri->driver_extensions = extensions; - if (dri_bind_extensions(dri, gbm_dri_device_extensions, extensions) < 0) { + return 0; +} + +static int +dri_load_driver_swrast(struct gbm_dri_device *dri) +{ + const __DRIextension **extensions; + + extensions = dri_open_driver(dri); + if (!extensions) + return -1; + + if (dri_bind_extensions(dri, gbm_swrast_device_extensions, extensions) < 0) { dlclose(dri->driver); fprintf(stderr, "failed to bind extensions\n"); return -1; } + dri->driver_extensions = extensions; + return 0; } static int -dri_screen_create(struct gbm_dri_device *dri) +dri_screen_create_dri2(struct gbm_dri_device *dri, char *driver_name) { const __DRIextension **extensions; int ret = 0; - dri->base.driver_name = dri_fd_get_driver_name(dri->base.base.fd); - if (dri->base.driver_name == NULL) + dri->driver_name = driver_name; + if (dri->driver_name == NULL) return -1; ret = dri_load_driver(dri); if (ret) { - fprintf(stderr, "failed to load driver: %s\n", dri->base.driver_name); + fprintf(stderr, "failed to load driver: %s\n", dri->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; + dri->loader_extensions = gbm_dri_screen_extensions; if (dri->dri2 == NULL) return -1; - dri->screen = dri->dri2->createNewScreen(0, dri->base.base.fd, - dri->extensions, - &dri->driver_configs, dri); + if (dri->dri2->base.version >= 4) { + dri->screen = dri->dri2->createNewScreen2(0, dri->base.fd, + dri->loader_extensions, + dri->driver_extensions, + &dri->driver_configs, dri); + } else { + dri->screen = dri->dri2->createNewScreen(0, dri->base.fd, + dri->loader_extensions, + &dri->driver_configs, dri); + } if (dri->screen == NULL) return -1; @@ -266,194 +417,875 @@ free_screen: return ret; } +static int +dri_screen_create_swrast(struct gbm_dri_device *dri) +{ + int ret; + + dri->driver_name = strdup("swrast"); + if (dri->driver_name == NULL) + return -1; + + ret = dri_load_driver_swrast(dri); + if (ret) { + fprintf(stderr, "failed to load swrast driver\n"); + return ret; + } + + dri->loader_extensions = gbm_dri_screen_extensions; + + if (dri->swrast == NULL) + return -1; + + if (dri->swrast->base.version >= 4) { + dri->screen = dri->swrast->createNewScreen2(0, dri->loader_extensions, + dri->driver_extensions, + &dri->driver_configs, dri); + } else { + dri->screen = dri->swrast->createNewScreen(0, dri->loader_extensions, + &dri->driver_configs, dri); + } + if (dri->screen == NULL) + return -1; + + dri->lookup_image = NULL; + dri->lookup_user_data = NULL; + + return 0; +} + +static int +dri_screen_create(struct gbm_dri_device *dri) +{ + char *driver_name; + + driver_name = loader_get_driver_for_fd(dri->base.fd); + if (!driver_name) + return -1; + + return dri_screen_create_dri2(dri, driver_name); +} + +static int +dri_screen_create_sw(struct gbm_dri_device *dri) +{ + char *driver_name; + int ret; + + driver_name = strdup("kms_swrast"); + if (!driver_name) + return -errno; + + ret = dri_screen_create_dri2(dri, driver_name); + if (ret == 0) + return ret; + + return dri_screen_create_swrast(dri); +} + +static const struct gbm_dri_visual gbm_dri_visuals_table[] = { + { + GBM_FORMAT_R8, __DRI_IMAGE_FORMAT_R8, + { 0x000000ff, 0x00000000, 0x00000000, 0x00000000 }, + }, + { + GBM_FORMAT_GR88, __DRI_IMAGE_FORMAT_GR88, + { 0x000000ff, 0x0000ff00, 0x00000000, 0x00000000 }, + }, + { + GBM_FORMAT_ARGB1555, __DRI_IMAGE_FORMAT_ARGB1555, + { 0x00007c00, 0x000003e0, 0x0000001f, 0x00008000 }, + }, + { + GBM_FORMAT_RGB565, __DRI_IMAGE_FORMAT_RGB565, + { 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 }, + }, + { + GBM_FORMAT_XRGB8888, __DRI_IMAGE_FORMAT_XRGB8888, + { 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 }, + }, + { + GBM_FORMAT_ARGB8888, __DRI_IMAGE_FORMAT_ARGB8888, + { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 }, + }, + { + GBM_FORMAT_XBGR8888, __DRI_IMAGE_FORMAT_XBGR8888, + { 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000 }, + }, + { + GBM_FORMAT_ABGR8888, __DRI_IMAGE_FORMAT_ABGR8888, + { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 }, + }, + { + GBM_FORMAT_XRGB2101010, __DRI_IMAGE_FORMAT_XRGB2101010, + { 0x3ff00000, 0x000ffc00, 0x000003ff, 0x00000000 }, + }, + { + GBM_FORMAT_ARGB2101010, __DRI_IMAGE_FORMAT_ARGB2101010, + { 0x3ff00000, 0x000ffc00, 0x000003ff, 0xc0000000 }, + }, + { + GBM_FORMAT_XBGR2101010, __DRI_IMAGE_FORMAT_XBGR2101010, + { 0x000003ff, 0x000ffc00, 0x3ff00000, 0x00000000 }, + }, + { + GBM_FORMAT_ABGR2101010, __DRI_IMAGE_FORMAT_ABGR2101010, + { 0x000003ff, 0x000ffc00, 0x3ff00000, 0xc0000000 }, + }, +}; + +static int +gbm_format_to_dri_format(uint32_t gbm_format) +{ + int i; + + gbm_format = gbm_format_canonicalize(gbm_format); + for (i = 0; i < ARRAY_SIZE(gbm_dri_visuals_table); i++) { + if (gbm_dri_visuals_table[i].gbm_format == gbm_format) + return gbm_dri_visuals_table[i].dri_image_format; + } + + return 0; +} + +static uint32_t +gbm_dri_to_gbm_format(int dri_format) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(gbm_dri_visuals_table); i++) { + if (gbm_dri_visuals_table[i].dri_image_format == dri_format) + return gbm_dri_visuals_table[i].gbm_format; + } + + return 0; +} + 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: + struct gbm_dri_device *dri = gbm_dri_device(gbm); + int count; + + if ((usage & GBM_BO_USE_CURSOR) && (usage & GBM_BO_USE_RENDERING)) + return 0; + + format = gbm_format_canonicalize(format); + if (gbm_format_to_dri_format(format) == 0) return 0; + + /* If there is no query, fall back to the small table which was originally + * here. */ + if (dri->image->base.version <= 15 || !dri->image->queryDmaBufModifiers) { + switch (format) { + case GBM_FORMAT_XRGB8888: + case GBM_FORMAT_ARGB8888: + case GBM_FORMAT_XBGR8888: + return 1; + default: + return 0; + } } - if (usage & GBM_BO_USE_CURSOR_64X64 && - usage & GBM_BO_USE_RENDERING) + /* Check if the driver returns any modifiers for this format; since linear + * is counted as a modifier, we will have at least one modifier for any + * supported format. */ + if (!dri->image->queryDmaBufModifiers(dri->screen, format, 0, NULL, NULL, + &count)) return 0; - return 1; + return (count > 0); } -static void -gbm_dri_bo_destroy(struct gbm_bo *_bo) +static int +gbm_dri_get_format_modifier_plane_count(struct gbm_device *gbm, + uint32_t format, + uint64_t modifier) +{ + struct gbm_dri_device *dri = gbm_dri_device(gbm); + uint64_t plane_count; + + if (dri->image->base.version < 16 || + !dri->image->queryDmaBufFormatModifierAttribs) + return -1; + + format = gbm_format_canonicalize(format); + if (gbm_format_to_dri_format(format) == 0) + return -1; + + if (!dri->image->queryDmaBufFormatModifierAttribs( + dri->screen, format, modifier, + __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT, &plane_count)) + return -1; + + return plane_count; +} + +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) { + errno = EINVAL; + return -1; + } + + memcpy(bo->map, buf, count); + + return 0; +} + +static int +gbm_dri_bo_get_fd(struct gbm_bo *_bo) { struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + int fd; - dri->image->destroyImage(bo->image); - free(bo); + if (bo->image == NULL) + return -1; + + if (!dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FD, &fd)) + return -1; + + return fd; +} + +static int +get_number_planes(struct gbm_dri_device *dri, __DRIimage *image) +{ + int num_planes = 0; + + /* Dumb buffers are single-plane only. */ + if (!image) + return 1; + + dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes); + + if (num_planes <= 0) + num_planes = 1; + + return num_planes; +} + +static int +gbm_dri_bo_get_planes(struct gbm_bo *_bo) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + + return get_number_planes(dri, bo->image); +} + +static union gbm_bo_handle +gbm_dri_bo_get_handle_for_plane(struct gbm_bo *_bo, int plane) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + union gbm_bo_handle ret; + ret.s32 = -1; + + if (!dri->image || dri->image->base.version < 13 || !dri->image->fromPlanar) { + errno = ENOSYS; + return ret; + } + + if (plane >= get_number_planes(dri, bo->image)) { + errno = EINVAL; + return ret; + } + + /* dumb BOs can only utilize non-planar formats */ + if (!bo->image) { + assert(plane == 0); + ret.s32 = bo->handle; + return ret; + } + + __DRIimage *image = dri->image->fromPlanar(bo->image, plane, NULL); + if (image) { + dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_HANDLE, &ret.s32); + dri->image->destroyImage(image); + } else { + assert(plane == 0); + dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, &ret.s32); + } + + return ret; } static uint32_t -gbm_dri_to_gbm_format(uint32_t dri_format) +gbm_dri_bo_get_stride(struct gbm_bo *_bo, int plane) { - uint32_t ret = 0; + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + __DRIimage *image; + int stride = 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; + if (!dri->image || dri->image->base.version < 11 || !dri->image->fromPlanar) { + /* Preserve legacy behavior if plane is 0 */ + if (plane == 0) + return _bo->stride; + + errno = ENOSYS; + return 0; + } + + if (plane >= get_number_planes(dri, bo->image)) { + errno = EINVAL; + return 0; + } + + if (bo->image == NULL) { + assert(plane == 0); + return _bo->stride; + } + + image = dri->image->fromPlanar(bo->image, plane, NULL); + if (image) { + dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); + dri->image->destroyImage(image); + } else { + assert(plane == 0); + dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, &stride); + } + + return (uint32_t)stride; +} + +static uint32_t +gbm_dri_bo_get_offset(struct gbm_bo *_bo, int plane) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + int offset = 0; + + /* These error cases do not actually return an error code, as the user + * will also fail to obtain the handle/FD from the BO. In that case, the + * offset is irrelevant, as they have no buffer to offset into, so + * returning 0 is harmless. + */ + if (!dri->image || dri->image->base.version < 13 || !dri->image->fromPlanar) + return 0; + + if (plane >= get_number_planes(dri, bo->image)) + return 0; + + /* Dumb images have no offset */ + if (bo->image == NULL) { + assert(plane == 0); + return 0; + } + + __DRIimage *image = dri->image->fromPlanar(bo->image, plane, NULL); + if (image) { + dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_OFFSET, &offset); + dri->image->destroyImage(image); + } else { + assert(plane == 0); + dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_OFFSET, &offset); + } + + return (uint32_t)offset; +} + +static uint64_t +gbm_dri_bo_get_modifier(struct gbm_bo *_bo) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + + if (!dri->image || dri->image->base.version < 14) { + errno = ENOSYS; + return DRM_FORMAT_MOD_INVALID; } + /* Dumb buffers have no modifiers */ + if (!bo->image) + return DRM_FORMAT_MOD_LINEAR; + + uint64_t ret = 0; + int mod; + if (!dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_MODIFIER_UPPER, + &mod)) + return DRM_FORMAT_MOD_INVALID; + + ret = (uint64_t)mod << 32; + + if (!dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_MODIFIER_LOWER, + &mod)) + return DRM_FORMAT_MOD_INVALID; + + ret |= (uint64_t)(mod & 0xffffffff); + return ret; } +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 { + gbm_dri_bo_unmap_dumb(bo); + memset(&arg, 0, sizeof(arg)); + arg.handle = bo->handle; + drmIoctl(dri->base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg); + } + + free(bo); +} + static struct gbm_bo * -gbm_dri_bo_create_from_egl_image(struct gbm_device *gbm, - void *egl_dpy, void *egl_img, - uint32_t width, uint32_t height, - uint32_t usage) +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; - int dri_format; + __DRIimage *image; unsigned dri_use = 0; + int gbm_format; + + /* Required for query image WIDTH & HEIGHT */ + if (dri->image == NULL || dri->image->base.version < 4) { + errno = ENOSYS; + return NULL; + } - (void) egl_dpy; + switch (type) { +#if HAVE_WAYLAND_PLATFORM + case GBM_BO_IMPORT_WL_BUFFER: + { + struct wl_drm_buffer *wb; - if (dri->lookup_image == NULL) + if (!dri->wl_drm) { + errno = EINVAL; + return NULL; + } + + wb = wayland_drm_buffer_get(dri->wl_drm, (struct wl_resource *) buffer); + if (!wb) { + errno = EINVAL; + return NULL; + } + + image = dri->image->dupImage(wb->driver_buffer, NULL); + + /* GBM_FORMAT_* is identical to WL_DRM_FORMAT_*, so no conversion + * required. */ + gbm_format = wb->format; + break; + } +#endif + + case GBM_BO_IMPORT_EGL_IMAGE: + { + int dri_format; + if (dri->lookup_image == NULL) { + errno = EINVAL; + return NULL; + } + + image = dri->lookup_image(dri->screen, buffer, dri->lookup_user_data); + image = dri->image->dupImage(image, NULL); + dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &dri_format); + gbm_format = gbm_dri_to_gbm_format(dri_format); + if (gbm_format == 0) { + errno = EINVAL; + dri->image->destroyImage(image); + return NULL; + } + break; + } + + case GBM_BO_IMPORT_FD: + { + struct gbm_import_fd_data *fd_data = buffer; + int stride = fd_data->stride, offset = 0; + int fourcc; + + /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC + * tokens accepted by createImageFromFds, except for not supporting + * the sARGB format. */ + fourcc = gbm_format_canonicalize(fd_data->format); + + image = dri->image->createImageFromFds(dri->screen, + fd_data->width, + fd_data->height, + fourcc, + &fd_data->fd, 1, + &stride, &offset, + NULL); + if (image == NULL) { + errno = EINVAL; + return NULL; + } + gbm_format = fd_data->format; + break; + } + + case GBM_BO_IMPORT_FD_MODIFIER: + { + struct gbm_import_fd_modifier_data *fd_data = buffer; + unsigned int error; + int fourcc; + + /* Import with modifier requires createImageFromDmaBufs2 */ + if (dri->image == NULL || dri->image->base.version < 15 || + dri->image->createImageFromDmaBufs2 == NULL) { + errno = ENOSYS; + return NULL; + } + + /* GBM's GBM_FORMAT_* tokens are a strict superset of the DRI FourCC + * tokens accepted by createImageFromDmaBufs2, except for not supporting + * the sARGB format. */ + fourcc = gbm_format_canonicalize(fd_data->format); + + image = dri->image->createImageFromDmaBufs2(dri->screen, fd_data->width, + fd_data->height, fourcc, + fd_data->modifier, + fd_data->fds, + fd_data->num_fds, + fd_data->strides, + fd_data->offsets, + 0, 0, 0, 0, + &error, NULL); + if (image == NULL) { + errno = ENOSYS; + return NULL; + } + + gbm_format = fourcc; + break; + } + + default: + errno = ENOSYS; return NULL; + } + bo = calloc(1, sizeof *bo); - if (bo == NULL) + if (bo == NULL) { + dri->image->destroyImage(image); return NULL; + } - bo->base.base.gbm = gbm; - bo->base.base.width = width; - bo->base.base.height = height; - - __DRIimage *tmp = dri->lookup_image(dri->screen, egl_img, - dri->lookup_user_data); + bo->image = image; - bo->image = dri->image->dupImage(tmp, bo); - if (bo->image == NULL) - return NULL; - if (usage & GBM_BO_USE_SCANOUT) dri_use |= __DRI_IMAGE_USE_SCANOUT; - if (usage & GBM_BO_USE_CURSOR_64X64) + if (usage & GBM_BO_USE_CURSOR) dri_use |= __DRI_IMAGE_USE_CURSOR; if (dri->image->base.version >= 2 && !dri->image->validateUsage(bo->image, dri_use)) { + errno = EINVAL; + dri->image->destroyImage(bo->image); free(bo); return NULL; } - dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, - &bo->base.base.handle.s32); + bo->base.gbm = gbm; + bo->base.format = gbm_format; + + dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_WIDTH, + (int*)&bo->base.width); + dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HEIGHT, + (int*)&bo->base.height); dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, - (int *) &bo->base.base.pitch); - dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FORMAT, - &dri_format); + (int*)&bo->base.stride); + dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, + &bo->base.handle.s32); + + return &bo->base; +} + +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 gbm_dri_bo *bo; + struct drm_mode_destroy_dumb destroy_arg; + int ret; + int is_cursor, is_scanout; + + is_cursor = (usage & GBM_BO_USE_CURSOR) != 0 && + format == GBM_FORMAT_ARGB8888; + is_scanout = (usage & GBM_BO_USE_SCANOUT) != 0 && + (format == GBM_FORMAT_XRGB8888 || format == GBM_FORMAT_XBGR8888); + if (!is_cursor && !is_scanout) { + errno = EINVAL; + return NULL; + } + + bo = calloc(1, sizeof *bo); + if (bo == NULL) + return NULL; - bo->base.base.format = gbm_dri_to_gbm_format(dri_format); + memset(&create_arg, 0, sizeof(create_arg)); + create_arg.bpp = 32; + create_arg.width = width; + create_arg.height = height; + + ret = drmIoctl(dri->base.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg); + if (ret) + goto free_bo; + + bo->base.gbm = gbm; + bo->base.width = width; + bo->base.height = height; + bo->base.stride = create_arg.pitch; + bo->base.format = format; + bo->base.handle.u32 = create_arg.handle; + bo->handle = create_arg.handle; + bo->size = create_arg.size; + + if (gbm_dri_bo_map_dumb(bo) == NULL) + goto destroy_dumb; + + return &bo->base; + +destroy_dumb: + memset(&destroy_arg, 0, sizeof destroy_arg); + destroy_arg.handle = create_arg.handle; + drmIoctl(dri->base.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg); +free_bo: + free(bo); - return &bo->base.base; + return NULL; } static struct gbm_bo * gbm_dri_bo_create(struct gbm_device *gbm, uint32_t width, uint32_t height, - uint32_t format, uint32_t usage) + uint32_t format, uint32_t usage, + const uint64_t *modifiers, + const unsigned int count) { struct gbm_dri_device *dri = gbm_dri_device(gbm); struct gbm_dri_bo *bo; int dri_format; unsigned dri_use = 0; + /* Callers of this may specify a modifier, or a dri usage, but not both. The + * newer modifier interface deprecates the older usage flags. + */ + assert(!(usage && count)); + + format = gbm_format_canonicalize(format); + + if (usage & GBM_BO_USE_WRITE || dri->image == NULL) + 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.gbm = gbm; + bo->base.width = width; + bo->base.height = height; + bo->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; + dri_format = gbm_format_to_dri_format(format); + if (dri_format == 0) { + errno = EINVAL; + goto failed; } if (usage & GBM_BO_USE_SCANOUT) dri_use |= __DRI_IMAGE_USE_SCANOUT; - if (usage & GBM_BO_USE_CURSOR_64X64) + if (usage & GBM_BO_USE_CURSOR) dri_use |= __DRI_IMAGE_USE_CURSOR; + if (usage & GBM_BO_USE_LINEAR) + dri_use |= __DRI_IMAGE_USE_LINEAR; + + /* Gallium drivers requires shared in order to get the handle/stride */ + dri_use |= __DRI_IMAGE_USE_SHARE; + + if (modifiers) { + if (!dri->image || dri->image->base.version < 14 || + !dri->image->createImageWithModifiers) { + fprintf(stderr, "Modifiers specified, but DRI is too old\n"); + errno = ENOSYS; + goto failed; + } + + /* It's acceptable to create an image with INVALID modifier in the list, + * but it cannot be on the only modifier (since it will certainly fail + * later). While we could easily catch this after modifier creation, doing + * the check here is a convenient debug check likely pointing at whatever + * interface the client is using to build its modifier list. + */ + if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) { + fprintf(stderr, "Only invalid modifier specified\n"); + errno = EINVAL; + goto failed; + } + + bo->image = + dri->image->createImageWithModifiers(dri->screen, + width, height, + dri_format, + modifiers, count, + bo); + + if (bo->image) { + /* The client passed in a list of invalid modifiers */ + assert(gbm_dri_bo_get_modifier(&bo->base) != DRM_FORMAT_MOD_INVALID); + } + } else { + bo->image = dri->image->createImage(dri->screen, width, height, + dri_format, dri_use, bo); + } - bo->image = - dri->image->createImage(dri->screen, - width, height, - dri_format, dri_use, - bo); if (bo->image == NULL) - return NULL; + goto failed; dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE, - &bo->base.base.handle.s32); + &bo->base.handle.s32); dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, - (int *) &bo->base.base.pitch); + (int *) &bo->base.stride); + + return &bo->base; + +failed: + free(bo); + return NULL; +} + +static void * +gbm_dri_bo_map(struct gbm_bo *_bo, + uint32_t x, uint32_t y, + uint32_t width, uint32_t height, + uint32_t flags, uint32_t *stride, void **map_data) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + + /* If it's a dumb buffer, we already have a mapping */ + if (bo->map) { + *map_data = (char *)bo->map + (bo->base.stride * y) + (x * 4); + *stride = bo->base.stride; + return *map_data; + } + + if (!dri->image || dri->image->base.version < 12 || !dri->image->mapImage) { + errno = ENOSYS; + return NULL; + } + + mtx_lock(&dri->mutex); + if (!dri->context) + dri->context = dri->dri2->createNewContext(dri->screen, NULL, + NULL, NULL); + assert(dri->context); + mtx_unlock(&dri->mutex); + + /* GBM flags and DRI flags are the same, so just pass them on */ + return dri->image->mapImage(dri->context, bo->image, x, y, + width, height, flags, (int *)stride, + map_data); +} + +static void +gbm_dri_bo_unmap(struct gbm_bo *_bo, void *map_data) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + + /* Check if it's a dumb buffer and check the pointer is in range */ + if (bo->map) { + assert(map_data >= bo->map); + assert(map_data < (bo->map + bo->size)); + return; + } + + if (!dri->context || !dri->image || + dri->image->base.version < 12 || !dri->image->unmapImage) + return; + + dri->image->unmapImage(dri->context, bo->image, map_data); - return &bo->base.base; + /* + * Not all DRI drivers use direct maps. They may queue up DMA operations + * on the mapping context. Since there is no explicit gbm flush + * mechanism, we need to flush here. + */ + if (dri->flush->base.version >= 4) + dri->flush->flush_with_flags(dri->context, NULL, __DRI2_FLUSH_CONTEXT, 0); } + static struct gbm_surface * gbm_dri_surface_create(struct gbm_device *gbm, uint32_t width, uint32_t height, - uint32_t format, uint32_t flags) + uint32_t format, uint32_t flags, + const uint64_t *modifiers, const unsigned count) { + struct gbm_dri_device *dri = gbm_dri_device(gbm); struct gbm_dri_surface *surf; + if (modifiers && + (!dri->image || dri->image->base.version < 14 || + !dri->image->createImageWithModifiers)) { + errno = ENOSYS; + return NULL; + } + + if (count) + assert(modifiers); + + /* It's acceptable to create an image with INVALID modifier in the list, + * but it cannot be on the only modifier (since it will certainly fail + * later). While we could easily catch this after modifier creation, doing + * the check here is a convenient debug check likely pointing at whatever + * interface the client is using to build its modifier list. + */ + if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) { + fprintf(stderr, "Only invalid modifier specified\n"); + errno = EINVAL; + } + surf = calloc(1, sizeof *surf); - if (surf == NULL) + if (surf == NULL) { + errno = ENOMEM; return NULL; + } surf->base.gbm = gbm; surf->base.width = width; surf->base.height = height; - surf->base.format = format; + surf->base.format = gbm_format_canonicalize(format); surf->base.flags = flags; + if (!modifiers) { + assert(!count); + return &surf->base; + } + + surf->base.modifiers = calloc(count, sizeof(*modifiers)); + if (count && !surf->base.modifiers) { + errno = ENOMEM; + free(surf); + return NULL; + } + + /* TODO: We are deferring validation of modifiers until the image is actually + * created. This deferred creation can fail due to a modifier-format + * mismatch. The result is the client has a surface but no object to back it. + */ + surf->base.count = count; + memcpy(surf->base.modifiers, modifiers, count * sizeof(*modifiers)); return &surf->base; } @@ -463,6 +1295,7 @@ gbm_dri_surface_destroy(struct gbm_surface *_surf) { struct gbm_dri_surface *surf = gbm_dri_surface(_surf); + free(surf->base.modifiers); free(surf); } @@ -470,11 +1303,17 @@ static void dri_destroy(struct gbm_device *gbm) { struct gbm_dri_device *dri = gbm_dri_device(gbm); + unsigned i; + + if (dri->context) + dri->core->destroyContext(dri->context); dri->core->destroyScreen(dri->screen); + for (i = 0; dri->driver_configs[i]; i++) + free((__DRIconfig *) dri->driver_configs[i]); free(dri->driver_configs); dlclose(dri->driver); - free(dri->base.driver_name); + free(dri->driver_name); free(dri); } @@ -484,28 +1323,57 @@ dri_device_create(int fd) { struct gbm_dri_device *dri; int ret; + bool force_sw; dri = calloc(1, sizeof *dri); + if (!dri) + return NULL; - dri->base.base.fd = fd; - dri->base.base.bo_create = gbm_dri_bo_create; - dri->base.base.bo_create_from_egl_image = gbm_dri_bo_create_from_egl_image; - dri->base.base.is_format_supported = gbm_dri_is_format_supported; - 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.fd = fd; + dri->base.bo_create = gbm_dri_bo_create; + dri->base.bo_import = gbm_dri_bo_import; + dri->base.bo_map = gbm_dri_bo_map; + dri->base.bo_unmap = gbm_dri_bo_unmap; + dri->base.is_format_supported = gbm_dri_is_format_supported; + dri->base.get_format_modifier_plane_count = + gbm_dri_get_format_modifier_plane_count; + dri->base.bo_write = gbm_dri_bo_write; + dri->base.bo_get_fd = gbm_dri_bo_get_fd; + dri->base.bo_get_planes = gbm_dri_bo_get_planes; + dri->base.bo_get_handle = gbm_dri_bo_get_handle_for_plane; + dri->base.bo_get_stride = gbm_dri_bo_get_stride; + dri->base.bo_get_offset = gbm_dri_bo_get_offset; + dri->base.bo_get_modifier = gbm_dri_bo_get_modifier; + dri->base.bo_destroy = gbm_dri_bo_destroy; + dri->base.destroy = dri_destroy; + dri->base.surface_create = gbm_dri_surface_create; + dri->base.surface_destroy = gbm_dri_surface_destroy; + + dri->base.name = "drm"; + + dri->visual_table = gbm_dri_visuals_table; + dri->num_visuals = ARRAY_SIZE(gbm_dri_visuals_table); + + mtx_init(&dri->mutex, mtx_plain); + + force_sw = env_var_as_boolean("GBM_ALWAYS_SOFTWARE", false); + if (!force_sw) { + ret = dri_screen_create(dri); + if (ret) + ret = dri_screen_create_sw(dri); + } else { + ret = dri_screen_create_sw(dri); + } - dri->base.type = GBM_DRM_DRIVER_TYPE_DRI; - dri->base.base.name = "drm"; + if (ret) + goto err_dri; - ret = dri_screen_create(dri); - if (ret) { - free(dri); - return NULL; - } + return &dri->base; + +err_dri: + free(dri); - return &dri->base.base; + return NULL; } struct gbm_backend gbm_dri_backend = {