gbm: Add buffer handling and visuals for fp16 formats

[mesa.git] / src / gbm / main / gbm.c

diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c
index d301661b48ee4330cb965aff3fa105b709df44c3..ceeed5082e9c08bdda52028ca80093713f74a4e9 100644 (file)
--- a/src/gbm/main/gbm.c
+++ b/src/gbm/main/gbm.c
@@ -271,6 +271,9 @@ gbm_bo_get_bpp(struct gbm_bo *bo)
       case GBM_FORMAT_RGBA1010102:
       case GBM_FORMAT_BGRA1010102:
          return 32;
+      case GBM_FORMAT_XBGR16161616F:
+      case GBM_FORMAT_ABGR16161616F:
+         return 64;
    }
 }
 
@@ -448,14 +451,14 @@ gbm_bo_destroy(struct gbm_bo *bo)
  * \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 format The format to use for the buffer, from GBM_FORMAT_* or
+ * GBM_BO_FORMAT_* tokens
  * \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 and errno set.
  *
- * \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 *
@@ -490,17 +493,19 @@ gbm_bo_create_with_modifiers(struct gbm_device *gbm,
 
    return gbm->bo_create(gbm, width, height, format, 0, modifiers, count);
 }
+
 /**
- * Create a gbm buffer object from an foreign object
+ * Create a gbm buffer object from a 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 three types of foreign objects are supported, indicated by the type
+ * This enables using the foreign object with a display API such as KMS.
+ * Currently these types of foreign objects are supported, indicated by the type
  * argument:
  *
  *   GBM_BO_IMPORT_WL_BUFFER
  *   GBM_BO_IMPORT_EGL_IMAGE
  *   GBM_BO_IMPORT_FD
+ *   GBM_BO_IMPORT_FD_MODIFIER
  *
  * The gbm bo shares the underlying pixels but its life-time is
  * independent of the foreign object.
@@ -711,3 +716,23 @@ gbm_format_canonicalize(uint32_t gbm_format)
       return gbm_format;
    }
 }
+
+/**
+ * Returns a string representing the fourcc format name.
+ *
+ * \param desc Caller-provided storage for the format name string.
+ * \return String containing the fourcc of the format.
+ */
+GBM_EXPORT char *
+gbm_format_get_name(uint32_t gbm_format, struct gbm_format_name_desc *desc)
+{
+   gbm_format = gbm_format_canonicalize(gbm_format);
+
+   desc->name[0] = gbm_format;
+   desc->name[1] = gbm_format >> 8;
+   desc->name[2] = gbm_format >> 16;
+   desc->name[3] = gbm_format >> 24;
+   desc->name[4] = 0;
+
+   return desc->name;
+}