X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=blobdiff_plain;f=src%2Fgbm%2Fmain%2Fgbm.c;h=19dc5db901a3f7866437b43581f173744ff59cb5;hp=377951756443c107ee6a5e40fe689806e9fc2a46;hb=8378c576abd3b84aacfa854c9d110c36f10ac6a2;hpb=42eacddfc027dd8668956dd836b85e16bab4f9f4 diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c index 37795175644..19dc5db901a 100644 --- a/src/gbm/main/gbm.c +++ b/src/gbm/main/gbm.c @@ -165,7 +165,20 @@ gbm_bo_get_height(struct gbm_bo *bo) GBM_EXPORT uint32_t gbm_bo_get_stride(struct gbm_bo *bo) { - return bo->stride; + return gbm_bo_get_stride_for_plane(bo, 0); +} + +/** Get the stride for the given plane + * + * \param bo The buffer object + * \param plane for which you want the stride + * + * \sa gbm_bo_get_stride() + */ +GBM_EXPORT uint32_t +gbm_bo_get_stride_for_plane(struct gbm_bo *bo, int plane) +{ + return bo->gbm->bo_get_stride(bo, plane); } /** Get the format of the buffer object @@ -181,6 +194,21 @@ gbm_bo_get_format(struct gbm_bo *bo) return bo->format; } +/** Get the offset for the data of the specified plane + * + * Extra planes, and even the first plane, may have an offset from the start of + * the buffer object. This function will provide the offset for the given plane + * to be used in various KMS APIs. + * + * \param bo The buffer object + * \return The offset + */ +GBM_EXPORT int64_t +gbm_bo_get_offset(struct gbm_bo *bo, int plane) +{ + return bo->gbm->bo_get_offset(bo, plane); +} + /** Get the gbm device used to create the buffer object * * \param bo The buffer object @@ -234,6 +262,43 @@ gbm_bo_get_plane_count(struct gbm_bo *bo) return bo->gbm->bo_get_planes(bo); } +/** Get the handle for the specified plane of the buffer object + * + * This function gets the handle for any plane associated with the BO. When + * dealing with multi-planar formats, or formats which might have implicit + * planes based on different underlying hardware it is necessary for the client + * to be able to get this information to pass to the DRM. + * + * \param bo The buffer object + * \param plane the plane to get a handle for + * + * \sa gbm_bo_get_handle() + */ +GBM_EXPORT union gbm_bo_handle +gbm_bo_get_handle_for_plane(struct gbm_bo *bo, int plane) +{ + return bo->gbm->bo_get_handle(bo, plane); +} + +/** + * Get the chosen modifier for the buffer object + * + * This function returns the modifier that was chosen for the object. These + * properties may be generic, or platform/implementation dependent. + * + * \param bo The buffer object + * \return Returns the selected modifier (chosen by the implementation) for the + * BO. + * \sa gbm_bo_create_with_modifiers() where possible modifiers are set + * \sa gbm_surface_create_with_modifiers() where possible modifiers are set + * \sa define DRM_FORMAT_MOD_* in drm_fourcc.h for possible modifiers + */ +GBM_EXPORT uint64_t +gbm_bo_get_modifier(struct gbm_bo *bo) +{ + return bo->gbm->bo_get_modifier(bo); +} + /** Write data into the buffer object * * If the buffer object was created with the GBM_BO_USE_WRITE flag, @@ -323,9 +388,28 @@ gbm_bo_create(struct gbm_device *gbm, return NULL; } - return gbm->bo_create(gbm, width, height, format, usage); + return gbm->bo_create(gbm, width, height, format, usage, NULL, 0); } +GBM_EXPORT struct gbm_bo * +gbm_bo_create_with_modifiers(struct gbm_device *gbm, + uint32_t width, uint32_t height, + uint32_t format, + const uint64_t *modifiers, + const unsigned int count) +{ + if (width == 0 || height == 0) { + errno = EINVAL; + return NULL; + } + + if ((count && !modifiers) || (modifiers && !count)) { + errno = EINVAL; + return NULL; + } + + return gbm->bo_create(gbm, width, height, format, 0, modifiers, count); +} /** * Create a gbm buffer object from an foreign object * @@ -431,7 +515,23 @@ 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); + return gbm->surface_create(gbm, width, height, format, flags, NULL, 0); +} + +GBM_EXPORT struct gbm_surface * +gbm_surface_create_with_modifiers(struct gbm_device *gbm, + uint32_t width, uint32_t height, + uint32_t format, + const uint64_t *modifiers, + const unsigned int count) +{ + if ((count && !modifiers) || (modifiers && !count)) { + errno = EINVAL; + return NULL; + } + + return gbm->surface_create(gbm, width, height, format, 0, + modifiers, count); } /**