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Diffstat (limited to 'ui/dmabuf.c')
-rw-r--r--ui/dmabuf.c80
1 files changed, 56 insertions, 24 deletions
diff --git a/ui/dmabuf.c b/ui/dmabuf.c
index df7a097..7433a26 100644
--- a/ui/dmabuf.c
+++ b/ui/dmabuf.c
@@ -11,10 +11,12 @@
#include "ui/dmabuf.h"
struct QemuDmaBuf {
- int fd;
+ int fd[DMABUF_MAX_PLANES];
uint32_t width;
uint32_t height;
- uint32_t stride;
+ uint32_t offset[DMABUF_MAX_PLANES];
+ uint32_t stride[DMABUF_MAX_PLANES];
+ uint32_t num_planes;
uint32_t fourcc;
uint64_t modifier;
uint32_t texture;
@@ -30,28 +32,33 @@ struct QemuDmaBuf {
};
QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height,
- uint32_t stride, uint32_t x,
- uint32_t y, uint32_t backing_width,
- uint32_t backing_height, uint32_t fourcc,
- uint64_t modifier, int32_t dmabuf_fd,
+ const uint32_t *offset, const uint32_t *stride,
+ uint32_t x, uint32_t y,
+ uint32_t backing_width, uint32_t backing_height,
+ uint32_t fourcc, uint64_t modifier,
+ const int32_t *dmabuf_fd, uint32_t num_planes,
bool allow_fences, bool y0_top) {
QemuDmaBuf *dmabuf;
+ assert(num_planes > 0 && num_planes <= DMABUF_MAX_PLANES);
+
dmabuf = g_new0(QemuDmaBuf, 1);
dmabuf->width = width;
dmabuf->height = height;
- dmabuf->stride = stride;
+ memcpy(dmabuf->offset, offset, num_planes * sizeof(*offset));
+ memcpy(dmabuf->stride, stride, num_planes * sizeof(*stride));
dmabuf->x = x;
dmabuf->y = y;
dmabuf->backing_width = backing_width;
dmabuf->backing_height = backing_height;
dmabuf->fourcc = fourcc;
dmabuf->modifier = modifier;
- dmabuf->fd = dmabuf_fd;
+ memcpy(dmabuf->fd, dmabuf_fd, num_planes * sizeof(*dmabuf_fd));
dmabuf->allow_fences = allow_fences;
dmabuf->y0_top = y0_top;
dmabuf->fence_fd = -1;
+ dmabuf->num_planes = num_planes;
return dmabuf;
}
@@ -65,31 +72,40 @@ void qemu_dmabuf_free(QemuDmaBuf *dmabuf)
g_free(dmabuf);
}
-int qemu_dmabuf_get_fd(QemuDmaBuf *dmabuf)
+const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds)
{
assert(dmabuf != NULL);
+ if (nfds) {
+ *nfds = ARRAY_SIZE(dmabuf->fd);
+ }
+
return dmabuf->fd;
}
-int qemu_dmabuf_dup_fd(QemuDmaBuf *dmabuf)
+void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds)
{
+ int i;
+
assert(dmabuf != NULL);
+ assert(nfds >= dmabuf->num_planes);
- if (dmabuf->fd >= 0) {
- return dup(dmabuf->fd);
- } else {
- return -1;
+ for (i = 0; i < dmabuf->num_planes; i++) {
+ fds[i] = dmabuf->fd[i] >= 0 ? dup(dmabuf->fd[i]) : -1;
}
}
void qemu_dmabuf_close(QemuDmaBuf *dmabuf)
{
+ int i;
+
assert(dmabuf != NULL);
- if (dmabuf->fd >= 0) {
- close(dmabuf->fd);
- dmabuf->fd = -1;
+ for (i = 0; i < dmabuf->num_planes; i++) {
+ if (dmabuf->fd[i] >= 0) {
+ close(dmabuf->fd[i]);
+ dmabuf->fd[i] = -1;
+ }
}
}
@@ -107,13 +123,35 @@ uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf)
return dmabuf->height;
}
-uint32_t qemu_dmabuf_get_stride(QemuDmaBuf *dmabuf)
+const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets)
+{
+ assert(dmabuf != NULL);
+
+ if (noffsets) {
+ *noffsets = ARRAY_SIZE(dmabuf->offset);
+ }
+
+ return dmabuf->offset;
+}
+
+const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides)
{
assert(dmabuf != NULL);
+ if (nstrides) {
+ *nstrides = ARRAY_SIZE(dmabuf->stride);
+ }
+
return dmabuf->stride;
}
+uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf)
+{
+ assert(dmabuf != NULL);
+
+ return dmabuf->num_planes;
+}
+
uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf)
{
assert(dmabuf != NULL);
@@ -221,9 +259,3 @@ void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted)
assert(dmabuf != NULL);
dmabuf->draw_submitted = draw_submitted;
}
-
-void qemu_dmabuf_set_fd(QemuDmaBuf *dmabuf, int32_t fd)
-{
- assert(dmabuf != NULL);
- dmabuf->fd = fd;
-}