gralloc0_register_buffer: initialize gralloc0 when needed

[android-x86/external-minigbm.git] / mediatek.c

diff --git a/mediatek.c b/mediatek.c
index d2e9f53..64c410f 100644 (file)
--- a/mediatek.c
+++ b/mediatek.c
@@ -18,31 +18,31 @@
 #include "helpers.h"
 #include "util.h"
 
+struct mediatek_private_map_data {
+       void *cached_addr;
+       void *gem_addr;
+};
+
 static const uint32_t render_target_formats[] = { DRM_FORMAT_ABGR8888, DRM_FORMAT_ARGB8888,
-                                                 DRM_FORMAT_RGB565, DRM_FORMAT_XBGR8888,
-                                                 DRM_FORMAT_XRGB8888 };
+                                                 DRM_FORMAT_BGR888,   DRM_FORMAT_RGB565,
+                                                 DRM_FORMAT_XBGR8888, DRM_FORMAT_XRGB8888 };
 
 static const uint32_t texture_source_formats[] = { DRM_FORMAT_R8, DRM_FORMAT_YVU420,
                                                   DRM_FORMAT_YVU420_ANDROID };
 
 static int mediatek_init(struct driver *drv)
 {
-       int ret;
-       ret = drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
-                                  &LINEAR_METADATA, BO_USE_RENDER_MASK);
-       if (ret)
-               return ret;
+       drv_add_combinations(drv, render_target_formats, ARRAY_SIZE(render_target_formats),
+                            &LINEAR_METADATA, BO_USE_RENDER_MASK);
 
-       ret = drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats),
-                                  &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
-       if (ret)
-               return ret;
+       drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats),
+                            &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
 
        return drv_modify_linear_combinations(drv);
 }
 
 static int mediatek_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;
@@ -62,8 +62,7 @@ static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height, ui
 
        ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
        if (ret) {
-               fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed (size=%llu)\n",
-                       gem_create.size);
+               drv_log("DRM_IOCTL_MTK_GEM_CREATE failed (size=%llu)\n", gem_create.size);
                return ret;
        }
 
@@ -73,27 +72,70 @@ static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height, ui
        return 0;
 }
 
-static void *mediatek_bo_map(struct bo *bo, struct map_info *data, size_t plane)
+static void *mediatek_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags)
 {
        int ret;
        struct drm_mtk_gem_map_off gem_map;
+       struct mediatek_private_map_data *priv;
 
        memset(&gem_map, 0, sizeof(gem_map));
        gem_map.handle = bo->handles[0].u32;
 
        ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_MAP_OFFSET, &gem_map);
        if (ret) {
-               fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
+               drv_log("DRM_IOCTL_MTK_GEM_MAP_OFFSET failed\n");
                return MAP_FAILED;
        }
 
-       data->length = bo->total_size;
+       void *addr = mmap(0, bo->total_size, drv_get_prot(map_flags), MAP_SHARED, bo->drv->fd,
+                         gem_map.offset);
+
+       vma->length = bo->total_size;
+
+       if (bo->use_flags & BO_USE_RENDERSCRIPT) {
+               priv = calloc(1, sizeof(*priv));
+               priv->cached_addr = calloc(1, bo->total_size);
+               priv->gem_addr = addr;
+               vma->priv = priv;
+               addr = priv->cached_addr;
+       }
+
+       return addr;
+}
+
+static int mediatek_bo_unmap(struct bo *bo, struct vma *vma)
+{
+       if (vma->priv) {
+               struct mediatek_private_map_data *priv = vma->priv;
+               vma->addr = priv->gem_addr;
+               free(priv->cached_addr);
+               free(priv);
+               vma->priv = NULL;
+       }
+
+       return munmap(vma->addr, vma->length);
+}
+
+static int mediatek_bo_invalidate(struct bo *bo, struct mapping *mapping)
+{
+       if (mapping->vma->priv) {
+               struct mediatek_private_map_data *priv = mapping->vma->priv;
+               memcpy(priv->cached_addr, priv->gem_addr, bo->total_size);
+       }
+
+       return 0;
+}
+
+static int mediatek_bo_flush(struct bo *bo, struct mapping *mapping)
+{
+       struct mediatek_private_map_data *priv = mapping->vma->priv;
+       if (priv && (mapping->vma->map_flags & BO_MAP_WRITE))
+               memcpy(priv->gem_addr, priv->cached_addr, bo->total_size);
 
-       return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->drv->fd,
-                   gem_map.offset);
+       return 0;
 }
 
-static uint32_t mediatek_resolve_format(uint32_t format)
+static uint32_t mediatek_resolve_format(uint32_t format, uint64_t use_flags)
 {
        switch (format) {
        case DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
@@ -106,13 +148,16 @@ static uint32_t mediatek_resolve_format(uint32_t format)
        }
 }
 
-struct backend backend_mediatek = {
+const struct backend backend_mediatek = {
        .name = "mediatek",
        .init = mediatek_init,
        .bo_create = mediatek_bo_create,
        .bo_destroy = drv_gem_bo_destroy,
        .bo_import = drv_prime_bo_import,
        .bo_map = mediatek_bo_map,
+       .bo_unmap = mediatek_bo_unmap,
+       .bo_invalidate = mediatek_bo_invalidate,
+       .bo_flush = mediatek_bo_flush,
        .resolve_format = mediatek_resolve_format,
 };