commit 3345977b5e9ef13f97e2e858241297fc4bfc7401
author Kristian H. Kristensen <hoegsberg@chromium.org> Fri Sep 16 11:14:16 2016 -0700
committer chrome-bot <chrome-bot@chromium.org> Fri Oct 21 21:20:47 2016 -0700
tree 770adb1de1a2d1ce6c6b7c79fce6fdacc4ebd1ab
parent 3001b29507244e2f82fc7a3d39b7e5879875b27d

minigbm: add new GBM_BO_IMPORT_FD_PLANAR

This is helpful for importing multiplanar formats (see b/31999328)
and importing AFBC format modifiers.

BUG=chrome-os-partner:56407
TEST=drm-tests null_platform_test with AFBC support
     test_that -b cyan $IP1 graphics_Gbm to check for regressions

Change-Id: If7ed9b54e18069ca69b2dbda2b01d59ce58ebeef
Reviewed-on: https://chromium-review.googlesource.com/401439
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: Daniele Castagna <dcastagna@chromium.org>

gbm.h

diff --git a/gbm.h b/gbm.h
index cc36b72..839e2a5 100644
--- a/gbm.h
+++ b/gbm.h
@@ -68,6 +68,8 @@
    uint64_t u64;
 };
 
+#define GBM_MAX_PLANES 4
+
 #define __gbm_fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
 			      ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
 
@@ -262,6 +264,7 @@
 #define GBM_BO_IMPORT_WL_BUFFER         0x5501
 #define GBM_BO_IMPORT_EGL_IMAGE         0x5502
 #define GBM_BO_IMPORT_FD                0x5503
+#define GBM_BO_IMPORT_FD_PLANAR         0x5504
 
 struct gbm_import_fd_data {
    int fd;
@@ -271,6 +274,16 @@
    uint32_t format;
 };
 
+struct gbm_import_fd_planar_data {
+   int fds[GBM_MAX_PLANES];
+   uint32_t width;
+   uint32_t height;
+   uint32_t format;
+   uint32_t strides[GBM_MAX_PLANES];
+   uint32_t offsets[GBM_MAX_PLANES];
+   uint64_t format_modifiers[GBM_MAX_PLANES];
+};
+
 struct gbm_bo *
 gbm_bo_import(struct gbm_device *gbm, uint32_t type,
               void *buffer, uint32_t usage);