Mesa (master): gbm: add gbm_bo_get_bpp()
Eric Engeström
eric_engestrom at kemper.freedesktop.org
Tue Aug 1 17:39:17 UTC 2017
Module: Mesa
Branch: master
Commit: 04a40f7d2ad8fc9556c4c3a8742bbf2c948d28a0
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=04a40f7d2ad8fc9556c4c3a8742bbf2c948d28a0
Author: Eric Engestrom <eric at engestrom.ch>
Date: Wed Jul 19 15:05:29 2017 +0100
gbm: add gbm_bo_get_bpp()
Signed-off-by: Eric Engestrom <eric at engestrom.ch>
Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
---
src/gbm/gbm-symbols-check | 1 +
src/gbm/main/gbm.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++
src/gbm/main/gbm.h | 3 +++
3 files changed, 70 insertions(+)
diff --git a/src/gbm/gbm-symbols-check b/src/gbm/gbm-symbols-check
index 6a9af0c59d..7ed17ddb6e 100755
--- a/src/gbm/gbm-symbols-check
+++ b/src/gbm/gbm-symbols-check
@@ -17,6 +17,7 @@ gbm_bo_get_height
gbm_bo_get_stride
gbm_bo_get_stride_for_plane
gbm_bo_get_format
+gbm_bo_get_bpp
gbm_bo_get_offset
gbm_bo_get_device
gbm_bo_get_handle
diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c
index 1de14f8fb4..df61ff6774 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 879f003f1b..aed26a0162 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 *
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