* limitations under the License.
*/
-
#include <cutils/log.h>
#include <hardware/gralloc.h>
+#include <stdlib.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "drm_hwcomposer.h"
#define ARRAY_SIZE(arr) (int)(sizeof(arr) / sizeof((arr)[0]))
struct hwc_import_context {
- const gralloc_module_t *gralloc_module;
+ const gralloc_module_t *gralloc_module;
};
-int hwc_import_init(struct hwc_import_context **ctx)
-{
- int ret;
- struct hwc_import_context *import_ctx;
-
- import_ctx = (struct hwc_import_context *)calloc(1,
- sizeof(*import_ctx));
- if (!ctx) {
- ALOGE("Failed to allocate gralloc import context");
- return -ENOMEM;
- }
-
- ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
- (const hw_module_t **)&import_ctx->gralloc_module);
- if (ret) {
- ALOGE("Failed to open gralloc module");
- goto err;
- }
+int hwc_import_init(struct hwc_import_context **ctx) {
+ struct hwc_import_context *import_ctx = (struct hwc_import_context *)calloc(1, sizeof(*import_ctx));
+ if (!ctx) {
+ ALOGE("Failed to allocate gralloc import context");
+ return -ENOMEM;
+ }
- if (!strcasecmp(import_ctx->gralloc_module->common.author, "NVIDIA"))
- ALOGW("Using non-NVIDIA gralloc module: %s\n",
- import_ctx->gralloc_module->common.name);
+ int ret = hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
+ (const hw_module_t **)&import_ctx->gralloc_module);
+ if (ret) {
+ ALOGE("Failed to open gralloc module");
+ free(import_ctx);
+ return ret;
+ }
- *ctx = import_ctx;
+ if (!strcasecmp(import_ctx->gralloc_module->common.author, "NVIDIA"))
+ ALOGW("Using non-NVIDIA gralloc module: %s\n",
+ import_ctx->gralloc_module->common.name);
- return 0;
+ *ctx = import_ctx;
-err:
- free(import_ctx);
- return ret;
+ return 0;
}
-int hwc_import_destroy(struct hwc_import_context *ctx)
-{
- free(ctx);
- return 0;
+int hwc_import_destroy(struct hwc_import_context *ctx) {
+ free(ctx);
+ return 0;
}
-struct importer_priv
-{
- int drm_fd;
- struct hwc_drm_bo bo;
+struct importer_priv {
+ int drm_fd;
+ struct hwc_drm_bo bo;
};
-static void free_priv(void *p)
-{
- struct importer_priv *priv = (struct importer_priv *)p;
- struct drm_gem_close gem_close;
- int i, ret;
-
- if (priv->bo.fb_id) {
- ret = drmModeRmFB(priv->drm_fd, priv->bo.fb_id);
- if (ret)
- ALOGE("Failed to rm fb %d", ret);
- }
-
- memset(&gem_close, 0, sizeof(gem_close));
- for (i = 0; i < ARRAY_SIZE(priv->bo.gem_handles); i++) {
- if (!priv->bo.gem_handles[i])
- continue;
- gem_close.handle = priv->bo.gem_handles[i];
- ret = drmIoctl(priv->drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
- if (ret)
- ALOGE("Failed to close gem handle %d", ret);
- }
-
- free(priv);
+static void free_priv(void *p) {
+ struct importer_priv *priv = (struct importer_priv *)p;
+ if (priv->bo.fb_id) {
+ int ret = drmModeRmFB(priv->drm_fd, priv->bo.fb_id);
+ if (ret)
+ ALOGE("Failed to rm fb %d", ret);
+ }
+
+ struct drm_gem_close gem_close;
+ memset(&gem_close, 0, sizeof(gem_close));
+ for (int i = 0; i < ARRAY_SIZE(priv->bo.gem_handles); i++) {
+ if (!priv->bo.gem_handles[i])
+ continue;
+ gem_close.handle = priv->bo.gem_handles[i];
+ int ret = drmIoctl(priv->drm_fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
+ if (ret)
+ ALOGE("Failed to close gem handle %d", ret);
+ }
+
+ free(priv);
}
-static int
-hwc_import_set_priv(hwc_import_context *ctx, buffer_handle_t handle, struct importer_priv *priv)
-{
- int ret;
- const gralloc_module_t *g = ctx->gralloc_module;
-
- return g->perform(g, GRALLOC_MODULE_PERFORM_SET_IMPORTER_PRIVATE, handle, free_priv, priv);
+static int hwc_import_set_priv(hwc_import_context *ctx, buffer_handle_t handle,
+ struct importer_priv *priv) {
+ const gralloc_module_t *g = ctx->gralloc_module;
+ return g->perform(g, GRALLOC_MODULE_PERFORM_SET_IMPORTER_PRIVATE, handle,
+ free_priv, priv);
}
-static struct importer_priv *
-hwc_import_get_priv(hwc_import_context *ctx, buffer_handle_t handle)
-{
- int ret;
- void *priv = NULL;
- const gralloc_module_t *g = ctx->gralloc_module;
-
- ret = g->perform(g, GRALLOC_MODULE_PERFORM_GET_IMPORTER_PRIVATE, handle, free_priv, &priv);
- return ret ? NULL : (struct importer_priv *)priv;
+static struct importer_priv *hwc_import_get_priv(hwc_import_context *ctx,
+ buffer_handle_t handle) {
+ const gralloc_module_t *g = ctx->gralloc_module;
+ void *priv = NULL;
+ int ret = g->perform(g, GRALLOC_MODULE_PERFORM_GET_IMPORTER_PRIVATE, handle,
+ free_priv, &priv);
+ return ret ? NULL : (struct importer_priv *)priv;
}
int hwc_import_bo_create(int fd, hwc_import_context *ctx,
- buffer_handle_t handle, struct hwc_drm_bo *bo)
-{
- int ret = 0;
- const gralloc_module_t *g = ctx->gralloc_module;
-
- /* Get imported bo that is cached in gralloc buffer, or create a new one. */
- struct importer_priv *priv = hwc_import_get_priv(ctx, handle);
- if (!priv) {
- priv = (struct importer_priv *)calloc(1, sizeof(*priv));
- if (!priv)
- return -ENOMEM;
- priv->drm_fd = fd;
-
- ret = g->perform(g, GRALLOC_MODULE_PERFORM_DRM_IMPORT, fd, handle, &priv->bo);
- if (ret) {
- ALOGE("GRALLOC_MODULE_PERFORM_DRM_IMPORT failed %d", ret);
- free_priv(priv);
- return ret;
- }
-
- ret = drmModeAddFB2(fd, priv->bo.width, priv->bo.height,
- priv->bo.format, priv->bo.gem_handles,
- priv->bo.pitches, priv->bo.offsets,
- &priv->bo.fb_id, 0);
- if (ret) {
- ALOGE("Failed to add fb %d", ret);
- free_priv(priv);
- return ret;
- }
-
- ret = hwc_import_set_priv(ctx, handle, priv);
- if (ret) {
- /* This will happen is persist.tegra.gpu_mapping_cache is 0/off,
- * or if NV gralloc runs out of "priv slots" (currently 3 per buffer,
- * only one of which should be used by drm_hwcomposer). */
- ALOGE("Failed to register free callback for imported buffer %d", ret);
- free_priv(priv);
- return ret;
- }
- }
- *bo = priv->bo;
- return ret;
+ buffer_handle_t handle, struct hwc_drm_bo *bo) {
+ /* Get imported bo that is cached in gralloc buffer, or create a new one. */
+ struct importer_priv *priv = hwc_import_get_priv(ctx, handle);
+ if (priv) {
+ *bo = priv->bo;
+ return 0;
+ }
+
+ priv = (struct importer_priv *)calloc(1, sizeof(*priv));
+ if (!priv)
+ return -ENOMEM;
+ priv->drm_fd = fd;
+
+ const gralloc_module_t *g = ctx->gralloc_module;
+ int ret =
+ g->perform(g, GRALLOC_MODULE_PERFORM_DRM_IMPORT, fd, handle, &priv->bo);
+ if (ret) {
+ ALOGE("GRALLOC_MODULE_PERFORM_DRM_IMPORT failed %d", ret);
+ free_priv(priv);
+ return ret;
+ }
+
+ ret = drmModeAddFB2(fd, priv->bo.width, priv->bo.height, priv->bo.format,
+ priv->bo.gem_handles, priv->bo.pitches,
+ priv->bo.offsets, &priv->bo.fb_id, 0);
+ if (ret) {
+ ALOGE("Failed to add fb %d", ret);
+ free_priv(priv);
+ return ret;
+ }
+
+ ret = hwc_import_set_priv(ctx, handle, priv);
+ if (ret) {
+ /* This will happen is persist.tegra.gpu_mapping_cache is 0/off,
+ * or if NV gralloc runs out of "priv slots" (currently 3 per buffer,
+ * only one of which should be used by drm_hwcomposer). */
+ ALOGE("Failed to register free callback for imported buffer %d", ret);
+ free_priv(priv);
+ return ret;
+ }
+ *bo = priv->bo;
+ return ret;
}
bool hwc_import_bo_release(int fd, hwc_import_context *ctx,
- struct hwc_drm_bo *bo)
-{
- /* hwc may not close the gem handles, we own them */
- return false;
+ struct hwc_drm_bo *bo) {
+ /* hwc may not close the gem handles, we own them */
+ return false;
}
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