return 32;
}
- fprintf(stderr, "drv: UNKNOWN FORMAT %d\n", format);
+ drv_log("UNKNOWN FORMAT %d\n", format);
return 0;
}
return stride;
}
+uint32_t drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height, size_t plane)
+{
+ assert(plane < drv_num_planes_from_format(format));
+ uint32_t vertical_subsampling;
+
+ switch (format) {
+ case DRM_FORMAT_NV12:
+ case DRM_FORMAT_YVU420:
+ case DRM_FORMAT_YVU420_ANDROID:
+ vertical_subsampling = (plane == 0) ? 1 : 2;
+ break;
+ default:
+ vertical_subsampling = 1;
+ }
+
+ return stride * DIV_ROUND_UP(height, vertical_subsampling);
+}
+
/*
* This function fills in the buffer object given the driver aligned stride of
* the first plane, height and a format. This function assumes there is just
* - the chroma stride is 16 bytes aligned, i.e., the luma's strides
* is 32 bytes aligned.
*/
- if (bo->format == DRM_FORMAT_YVU420_ANDROID) {
+ if (format == DRM_FORMAT_YVU420_ANDROID) {
assert(aligned_height == bo->height);
assert(stride == ALIGN(stride, 32));
}
}
int drv_dumb_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
- uint32_t flags)
+ uint64_t use_flags)
{
int ret;
size_t plane;
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_dumb);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_MODE_CREATE_DUMB failed\n");
+ drv_log("DRM_IOCTL_MODE_CREATE_DUMB failed (%d, %d)\n", bo->drv->fd, errno);
return ret;
}
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_dumb);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_MODE_DESTROY_DUMB failed (handle=%x)\n",
- bo->handles[0].u32);
+ drv_log("DRM_IOCTL_MODE_DESTROY_DUMB failed (handle=%x)\n", bo->handles[0].u32);
return ret;
}
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_GEM_CLOSE failed (handle=%x) error %d\n",
+ drv_log("DRM_IOCTL_GEM_CLOSE failed (handle=%x) error %d\n",
bo->handles[plane].u32, ret);
error = ret;
}
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &prime_handle);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_PRIME_FD_TO_HANDLE failed (fd=%u)\n",
- prime_handle.fd);
+ drv_log("DRM_IOCTL_PRIME_FD_TO_HANDLE failed (fd=%u)\n", prime_handle.fd);
/*
* Need to call GEM close on planes that were opened,
return 0;
}
-void *drv_dumb_bo_map(struct bo *bo, struct map_info *data, size_t plane)
+void *drv_dumb_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags)
{
int ret;
size_t i;
ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_dumb);
if (ret) {
- fprintf(stderr, "drv: DRM_IOCTL_MODE_MAP_DUMB failed \n");
+ drv_log("DRM_IOCTL_MODE_MAP_DUMB failed\n");
return MAP_FAILED;
}
for (i = 0; i < bo->num_planes; i++)
if (bo->handles[i].u32 == bo->handles[plane].u32)
- data->length += bo->sizes[i];
+ vma->length += bo->sizes[i];
- return mmap(0, data->length, PROT_READ | PROT_WRITE, MAP_SHARED, bo->drv->fd,
+ return mmap(0, vma->length, drv_get_prot(map_flags), MAP_SHARED, bo->drv->fd,
map_dumb.offset);
}
+int drv_bo_munmap(struct bo *bo, struct vma *vma)
+{
+ return munmap(vma->addr, vma->length);
+}
+
+int drv_mapping_destroy(struct bo *bo)
+{
+ int ret;
+ size_t plane;
+ struct mapping *mapping;
+ uint32_t idx;
+
+ /*
+ * This function is called right before the buffer is destroyed. It will free any mappings
+ * associated with the buffer.
+ */
+
+ idx = 0;
+ for (plane = 0; plane < bo->num_planes; plane++) {
+ while (idx < drv_array_size(bo->drv->mappings)) {
+ mapping = (struct mapping *)drv_array_at_idx(bo->drv->mappings, idx);
+ if (mapping->vma->handle != bo->handles[plane].u32) {
+ idx++;
+ continue;
+ }
+
+ if (!--mapping->vma->refcount) {
+ ret = bo->drv->backend->bo_unmap(bo, mapping->vma);
+ if (ret) {
+ drv_log("munmap failed\n");
+ return ret;
+ }
+
+ free(mapping->vma);
+ }
+
+ /* This shrinks and shifts the array, so don't increment idx. */
+ drv_array_remove(bo->drv->mappings, idx);
+ }
+ }
+
+ return 0;
+}
+
+int drv_get_prot(uint32_t map_flags)
+{
+ return (BO_MAP_WRITE & map_flags) ? PROT_WRITE | PROT_READ : PROT_READ;
+}
+
uintptr_t drv_get_reference_count(struct driver *drv, struct bo *bo, size_t plane)
{
void *count;
return ret;
}
-int drv_add_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
- uint64_t usage)
-{
- struct combinations *combos = &drv->backend->combos;
- if (combos->size >= combos->allocations) {
- struct combination *new_data;
- combos->allocations *= 2;
- new_data = realloc(combos->data, combos->allocations * sizeof(*combos->data));
- if (!new_data)
- return -ENOMEM;
-
- combos->data = new_data;
- }
-
- combos->data[combos->size].format = format;
- combos->data[combos->size].metadata.priority = metadata->priority;
- combos->data[combos->size].metadata.tiling = metadata->tiling;
- combos->data[combos->size].metadata.modifier = metadata->modifier;
- combos->data[combos->size].usage = usage;
- combos->size++;
- return 0;
-}
-
-int drv_add_combinations(struct driver *drv, const uint32_t *formats, uint32_t num_formats,
- struct format_metadata *metadata, uint64_t usage)
+void drv_add_combinations(struct driver *drv, const uint32_t *formats, uint32_t num_formats,
+ struct format_metadata *metadata, uint64_t use_flags)
{
- int ret;
uint32_t i;
+
for (i = 0; i < num_formats; i++) {
- ret = drv_add_combination(drv, formats[i], metadata, usage);
- if (ret)
- return ret;
- }
+ struct combination combo = { .format = formats[i],
+ .metadata = *metadata,
+ .use_flags = use_flags };
- return 0;
+ drv_array_append(drv->combos, &combo);
+ }
}
void drv_modify_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
- uint64_t usage)
+ uint64_t use_flags)
{
uint32_t i;
struct combination *combo;
- /* Attempts to add the specified usage to an existing combination. */
- for (i = 0; i < drv->backend->combos.size; i++) {
- combo = &drv->backend->combos.data[i];
+ /* Attempts to add the specified flags to an existing combination. */
+ for (i = 0; i < drv_array_size(drv->combos); i++) {
+ combo = (struct combination *)drv_array_at_idx(drv->combos, i);
if (combo->format == format && combo->metadata.tiling == metadata->tiling &&
combo->metadata.modifier == metadata->modifier)
- combo->usage |= usage;
+ combo->use_flags |= use_flags;
}
}
-struct kms_item *drv_query_kms(struct driver *drv, uint32_t *num_items)
+struct drv_array *drv_query_kms(struct driver *drv)
{
- uint64_t flag, usage;
- struct kms_item *items;
- uint32_t i, j, k, allocations, item_size;
+ struct drv_array *kms_items;
+ uint64_t plane_type, use_flag;
+ uint32_t i, j, k;
drmModePlanePtr plane;
drmModePropertyPtr prop;
drmModePlaneResPtr resources;
drmModeObjectPropertiesPtr props;
- /* Start with a power of 2 number of allocations. */
- allocations = 2;
- item_size = 0;
- items = calloc(allocations, sizeof(*items));
- if (!items)
+ kms_items = drv_array_init(sizeof(struct kms_item));
+ if (!kms_items)
goto out;
/*
prop = drmModeGetProperty(drv->fd, props->props[j]);
if (prop) {
if (strcmp(prop->name, "type") == 0) {
- flag = props->prop_values[j];
+ plane_type = props->prop_values[j];
}
drmModeFreeProperty(prop);
}
}
- switch (flag) {
+ switch (plane_type) {
case DRM_PLANE_TYPE_OVERLAY:
case DRM_PLANE_TYPE_PRIMARY:
- usage = BO_USE_SCANOUT;
+ use_flag = BO_USE_SCANOUT;
break;
case DRM_PLANE_TYPE_CURSOR:
- usage = BO_USE_CURSOR;
+ use_flag = BO_USE_CURSOR;
break;
default:
assert(0);
for (j = 0; j < plane->count_formats; j++) {
bool found = false;
- for (k = 0; k < item_size; k++) {
- if (items[k].format == plane->formats[j] &&
- items[k].modifier == DRM_FORMAT_MOD_NONE) {
- items[k].usage |= usage;
+ for (k = 0; k < drv_array_size(kms_items); k++) {
+ struct kms_item *item = drv_array_at_idx(kms_items, k);
+ if (item->format == plane->formats[j] &&
+ item->modifier == DRM_FORMAT_MOD_LINEAR) {
+ item->use_flags |= use_flag;
found = true;
break;
}
}
- if (!found && item_size >= allocations) {
- struct kms_item *new_data = NULL;
- allocations *= 2;
- new_data = realloc(items, allocations * sizeof(*items));
- if (!new_data) {
- item_size = 0;
- goto out;
- }
-
- items = new_data;
- }
-
if (!found) {
- items[item_size].format = plane->formats[j];
- items[item_size].modifier = DRM_FORMAT_MOD_NONE;
- items[item_size].usage = usage;
- item_size++;
+ struct kms_item item = { .format = plane->formats[j],
+ .modifier = DRM_FORMAT_MOD_LINEAR,
+ .use_flags = use_flag };
+
+ drv_array_append(kms_items, &item);
}
}
drmModeFreePlaneResources(resources);
out:
- if (items && item_size == 0) {
- free(items);
- items = NULL;
+ if (kms_items && !drv_array_size(kms_items)) {
+ drv_array_destroy(kms_items);
+ return NULL;
}
- *num_items = item_size;
- return items;
+ return kms_items;
}
int drv_modify_linear_combinations(struct driver *drv)
{
- uint32_t i, j, num_items;
- struct kms_item *items;
+ uint32_t i, j;
+ struct kms_item *item;
struct combination *combo;
+ struct drv_array *kms_items;
/*
* All current drivers can scanout linear XRGB8888/ARGB8888 as a primary
drv_modify_combination(drv, DRM_FORMAT_ARGB8888, &LINEAR_METADATA,
BO_USE_CURSOR | BO_USE_SCANOUT);
- items = drv_query_kms(drv, &num_items);
- if (!items || !num_items)
+ kms_items = drv_query_kms(drv);
+ if (!kms_items)
return 0;
- for (i = 0; i < num_items; i++) {
- for (j = 0; j < drv->backend->combos.size; j++) {
- combo = &drv->backend->combos.data[j];
- if (items[i].format == combo->format)
- combo->usage |= BO_USE_SCANOUT;
+ for (i = 0; i < drv_array_size(kms_items); i++) {
+ item = (struct kms_item *)drv_array_at_idx(kms_items, i);
+ for (j = 0; j < drv_array_size(drv->combos); j++) {
+ combo = drv_array_at_idx(drv->combos, j);
+ if (item->format == combo->format)
+ combo->use_flags |= BO_USE_SCANOUT;
}
}
- free(items);
+ drv_array_destroy(kms_items);
return 0;
}
+
+/*
+ * Pick the best modifier from modifiers, according to the ordering
+ * given by modifier_order.
+ */
+uint64_t drv_pick_modifier(const uint64_t *modifiers, uint32_t count,
+ const uint64_t *modifier_order, uint32_t order_count)
+{
+ uint32_t i, j;
+
+ for (i = 0; i < order_count; i++) {
+ for (j = 0; j < count; j++) {
+ if (modifiers[j] == modifier_order[i]) {
+ return modifiers[j];
+ }
+ }
+ }
+
+ return DRM_FORMAT_MOD_LINEAR;
+}
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