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
}
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;
return 0;
}
-void *drv_dumb_bo_map(struct bo *bo, struct map_info *data, size_t plane, int prot)
+void *drv_dumb_bo_map(struct bo *bo, struct mapping *mapping, size_t plane, uint32_t map_flags)
{
int ret;
size_t i;
for (i = 0; i < bo->num_planes; i++)
if (bo->handles[i].u32 == bo->handles[plane].u32)
- data->length += bo->sizes[i];
+ mapping->vma->length += bo->sizes[i];
- return mmap(0, data->length, prot, MAP_SHARED, bo->drv->fd, map_dumb.offset);
+ return mmap(0, mapping->vma->length, drv_get_prot(map_flags), MAP_SHARED, bo->drv->fd,
+ map_dumb.offset);
+}
+
+int drv_bo_munmap(struct bo *bo, struct mapping *mapping)
+{
+ return munmap(mapping->vma->addr, mapping->vma->length);
+}
+
+int drv_mapping_destroy(struct bo *bo)
+{
+ int ret;
+ void *ptr;
+ size_t plane;
+ struct mapping *mapping;
+
+ /*
+ * This function is called right before the buffer is destroyed. It will free any mappings
+ * associated with the buffer.
+ */
+
+ for (plane = 0; plane < bo->num_planes; plane++) {
+ if (!drmHashLookup(bo->drv->map_table, bo->handles[plane].u32, &ptr)) {
+ mapping = (struct mapping *)ptr;
+ ret = bo->drv->backend->bo_unmap(bo, mapping);
+ if (ret) {
+ fprintf(stderr, "drv: munmap failed");
+ return ret;
+ }
+
+ drmHashDelete(bo->drv->map_table, mapping->vma->handle);
+ free(mapping->vma);
+ free(mapping);
+ }
+ }
+
+ 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)
}
int drv_add_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
- uint64_t usage)
+ uint64_t use_flags)
{
struct combinations *combos = &drv->combos;
if (combos->size >= combos->allocations) {
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->data[combos->size].use_flags = use_flags;
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)
+ 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);
+ ret = drv_add_combination(drv, formats[i], metadata, use_flags);
if (ret)
return ret;
}
}
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. */
+ /* Attempts to add the specified flags to an existing combination. */
for (i = 0; i < drv->combos.size; i++) {
combo = &drv->combos.data[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)
{
- uint64_t flag, usage;
struct kms_item *items;
+ uint64_t plane_type, use_flag;
uint32_t i, j, k, allocations, item_size;
drmModePlanePtr plane;
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);
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;
+ items[k].modifier == DRM_FORMAT_MOD_INVALID) {
+ items[k].use_flags |= use_flag;
found = true;
break;
}
if (!found) {
items[item_size].format = plane->formats[j];
- items[item_size].modifier = DRM_FORMAT_MOD_NONE;
- items[item_size].usage = usage;
+ items[item_size].modifier = DRM_FORMAT_MOD_INVALID;
+ items[item_size].use_flags = use_flag;
item_size++;
}
}
for (j = 0; j < drv->combos.size; j++) {
combo = &drv->combos.data[j];
if (items[i].format == combo->format)
- combo->usage |= BO_USE_SCANOUT;
+ combo->use_flags |= BO_USE_SCANOUT;
}
}
free(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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