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authorEric Engestrom <[email protected]>2017-07-19 15:05:29 +0100
committerEric Engestrom <[email protected]>2017-08-01 18:36:23 +0100
commit04a40f7d2ad8fc9556c4c3a8742bbf2c948d28a0 (patch)
tree8097982434d61e4f1749778b4ef44bc41aade3ee /src/gbm/main
parent3db05ed1d10738d0c2f14cb692d5d618c5872dcd (diff)
gbm: add gbm_bo_get_bpp()
Signed-off-by: Eric Engestrom <[email protected]> Reviewed-by: Emil Velikov <[email protected]>
Diffstat (limited to 'src/gbm/main')
-rw-r--r--src/gbm/main/gbm.c66
-rw-r--r--src/gbm/main/gbm.h3
2 files changed, 69 insertions, 0 deletions
diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c
index 1de14f8fb4e..df61ff67748 100644
--- a/src/gbm/main/gbm.c
+++ b/src/gbm/main/gbm.c
@@ -194,6 +194,72 @@ gbm_bo_get_format(struct gbm_bo *bo)
return bo->format;
}
+/** Get the bit-per-pixel of the buffer object's format
+ *
+ * The bits-per-pixel of the buffer object's format.
+ *
+ * Note; The 'in-memory pixel' concept makes no sense for YUV formats
+ * (pixels are the result of the combination of multiple memory sources:
+ * Y, Cb & Cr; usually these are even in separate buffers), so YUV
+ * formats are not supported by this function.
+ *
+ * \param bo The buffer object
+ * \return The number of bits0per-pixel of the buffer object's format.
+ */
+GBM_EXPORT uint32_t
+gbm_bo_get_bpp(struct gbm_bo *bo)
+{
+ switch (bo->format) {
+ default:
+ return 0;
+ case GBM_FORMAT_C8:
+ case GBM_FORMAT_R8:
+ case GBM_FORMAT_RGB332:
+ case GBM_FORMAT_BGR233:
+ return 8;
+ case GBM_FORMAT_GR88:
+ case GBM_FORMAT_XRGB4444:
+ case GBM_FORMAT_XBGR4444:
+ case GBM_FORMAT_RGBX4444:
+ case GBM_FORMAT_BGRX4444:
+ case GBM_FORMAT_ARGB4444:
+ case GBM_FORMAT_ABGR4444:
+ case GBM_FORMAT_RGBA4444:
+ case GBM_FORMAT_BGRA4444:
+ case GBM_FORMAT_XRGB1555:
+ case GBM_FORMAT_XBGR1555:
+ case GBM_FORMAT_RGBX5551:
+ case GBM_FORMAT_BGRX5551:
+ case GBM_FORMAT_ARGB1555:
+ case GBM_FORMAT_ABGR1555:
+ case GBM_FORMAT_RGBA5551:
+ case GBM_FORMAT_BGRA5551:
+ case GBM_FORMAT_RGB565:
+ case GBM_FORMAT_BGR565:
+ return 16;
+ case GBM_FORMAT_RGB888:
+ case GBM_FORMAT_BGR888:
+ return 24;
+ case GBM_FORMAT_XRGB8888:
+ case GBM_FORMAT_XBGR8888:
+ case GBM_FORMAT_RGBX8888:
+ case GBM_FORMAT_BGRX8888:
+ case GBM_FORMAT_ARGB8888:
+ case GBM_FORMAT_ABGR8888:
+ case GBM_FORMAT_RGBA8888:
+ case GBM_FORMAT_BGRA8888:
+ case GBM_FORMAT_XRGB2101010:
+ case GBM_FORMAT_XBGR2101010:
+ case GBM_FORMAT_RGBX1010102:
+ case GBM_FORMAT_BGRX1010102:
+ case GBM_FORMAT_ARGB2101010:
+ case GBM_FORMAT_ABGR2101010:
+ case GBM_FORMAT_RGBA1010102:
+ case GBM_FORMAT_BGRA1010102:
+ return 32;
+ }
+}
+
/** 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
diff --git a/src/gbm/main/gbm.h b/src/gbm/main/gbm.h
index 879f003f1b4..aed26a01621 100644
--- a/src/gbm/main/gbm.h
+++ b/src/gbm/main/gbm.h
@@ -334,6 +334,9 @@ uint32_t
gbm_bo_get_format(struct gbm_bo *bo);
uint32_t
+gbm_bo_get_bpp(struct gbm_bo *bo);
+
+uint32_t
gbm_bo_get_offset(struct gbm_bo *bo, int plane);
struct gbm_device *