In order to test drivers that don't have support for proper buffer
objects, add a wrapper for creating dumb buffer objects that will be
called from the lib code for those subtests that don't need to care.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
Changes in v2:
- Rename dumb_create to kmstest_dumb_create as suggested by Daniel
Vetter.
lib/igt_kms.c | 36 ++++++++++++++++++++++++++++++++++++
lib/igt_kms.h | 3 +++
tests/drm_read.c | 16 +---------------
tests/gem_exec_blt.c | 18 +-----------------
4 files changed, 41 insertions(+), 32 deletions(-)
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 5a61def98290..ee375bffc5e2 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -309,6 +309,42 @@ uint32_t kmstest_find_crtc_for_connector(int fd, drmModeRes *res,
igt_assert(false);
}
+/**
+ * kmstest_dumb_create:
+ * @fd: open drm file descriptor
+ * @width: width of the buffer in pixels
+ * @height: height of the buffer in pixels
+ * @bpp: bytes per pixel of the buffer
+ *
+ * This wraps the CREATE_DUMB ioctl, which allocates a new dumb buffer object
+ * for the specified dimensions.
+ *
+ * Returns: The file-private handle of the created buffer object
+ */
+uint32_t kmstest_dumb_create(int fd, int width, int height, int bpp,
+ unsigned *stride, unsigned *size)
+{
+ struct drm_mode_create_dumb create;
+
+ memset(&create, 0, sizeof(create));
+ create.width = width;
+ create.height = height;
+ create.bpp = bpp;
+
+ create.handle = 0;
+ do_ioctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &create);
+ igt_assert(create.handle);
+ igt_assert(create.size >= width * height * bpp / 8);
+
+ if (stride)
+ *stride = create.pitch;
+
+ if (size)
+ *size = create.size;
+
+ return create.handle;
+}
+
/*
* Returns: the previous mode, or KD_GRAPHICS if no /dev/tty0 was
* found and nothing was done.
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 5744ed005c23..45df8b556daf 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -155,6 +155,9 @@ uint32_t kmstest_find_crtc_for_connector(int fd, drmModeRes *res,
drmModeConnector *connector,
uint32_t crtc_blacklist_idx_mask);
+uint32_t kmstest_dumb_create(int fd, int width, int height, int bpp,
+ unsigned *stride, unsigned *size);
+
/*
* A small modeset API
*/
diff --git a/tests/drm_read.c b/tests/drm_read.c
index faa3df862ea6..d69c7a0a903d 100644
--- a/tests/drm_read.c
+++ b/tests/drm_read.c
@@ -120,20 +120,6 @@ static void test_invalid_buffer(int in)
teardown(fd);
}
-static uint32_t dumb_create(int fd)
-{
- struct drm_mode_create_dumb arg;
-
- arg.bpp = 32;
- arg.width = 32;
- arg.height = 32;
-
- do_ioctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
- igt_assert(arg.size >= 4096);
-
- return arg.handle;
-}
-
static void test_fault_buffer(int in)
{
int fd = setup(in, 0);
@@ -141,7 +127,7 @@ static void test_fault_buffer(int in)
char *buf;
memset(&arg, 0, sizeof(arg));
- arg.handle = dumb_create(fd);
+ arg.handle = kmstest_dumb_create(fd, 32, 32, 32, NULL, NULL);
do_ioctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
diff --git a/tests/gem_exec_blt.c b/tests/gem_exec_blt.c
index 74f5c2ba87ad..677708de850c 100644
--- a/tests/gem_exec_blt.c
+++ b/tests/gem_exec_blt.c
@@ -170,22 +170,6 @@ static const char *bytes_per_sec(char *buf, double v)
return buf;
}
-static uint32_t dumb_create(int fd)
-{
- struct drm_mode_create_dumb arg;
- int ret;
-
- arg.bpp = 32;
- arg.width = 32;
- arg.height = 32;
-
- ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
- igt_assert_eq(ret, 0);
- igt_assert(arg.size >= 4096);
-
- return arg.handle;
-}
-
static int dcmp(const void *A, const void *B)
{
const double *a = A, *b = B;
@@ -209,7 +193,7 @@ static void run(int object_size, bool dumb)
fd = drm_open_driver(DRIVER_INTEL);
if (dumb)
- handle = dumb_create(fd);
+ handle = kmstest_dumb_create(fd, 32, 32, 32, NULL, NULL);
else
handle = gem_create(fd, 4096);
--
2.5.0
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