OSDN Git Service

minigbm: Added YV12 for Mali platforms
[android-x86/external-minigbm.git] / mediatek.c
index 3ef05e8..2dd4114 100644 (file)
@@ -4,54 +4,98 @@
  * found in the LICENSE file.
  */
 
-#ifdef GBM_MEDIATEK
+#ifdef DRV_MEDIATEK
 
 #include <stdio.h>
 #include <string.h>
+#include <sys/mman.h>
 #include <xf86drm.h>
 #include <mediatek_drm.h>
-#include <stdio.h>
-#include "gbm_priv.h"
+
+#include "drv_priv.h"
 #include "helpers.h"
 
-static int gbm_mediatek_bo_create(struct gbm_bo *bo,
-                                 uint32_t width, uint32_t height,
-                                 uint32_t format, uint32_t flags)
+static int mediatek_bo_create(struct bo *bo, uint32_t width, uint32_t height,
+                             uint32_t format, uint32_t flags)
 {
-       size_t size;
-       struct drm_mtk_gem_create gem_create;
        int ret;
+       size_t plane;
+       struct drm_mtk_gem_create gem_create;
 
-       bo->strides[0] = gbm_stride_from_format(format, width);
-       size = height * bo->strides[0];
+       drv_bo_from_format(bo, width, height, format);
 
        memset(&gem_create, 0, sizeof(gem_create));
-       gem_create.size = size;
+       gem_create.size = bo->offsets[bo->num_planes - 1] +
+                         bo->sizes[bo->num_planes - 1];
 
-       ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
+       ret = drmIoctl(bo->drv->fd, DRM_IOCTL_MTK_GEM_CREATE, &gem_create);
        if (ret) {
-               fprintf(stderr, "minigbm: DRM_IOCTL_MTK_GEM_CREATE failed "
-                               "(size=%zu)\n", size);
+               fprintf(stderr, "drv: DRM_IOCTL_MTK_GEM_CREATE failed "
+                               "(size=%llu)\n", gem_create.size);
                return ret;
        }
 
-       bo->handles[0].u32 = gem_create.handle;
-       bo->sizes[0] = size;
-       bo->offsets[0] = 0;
+       for (plane = 0; plane < bo->num_planes; plane++)
+               bo->handles[plane].u32 = gem_create.handle;
 
        return 0;
 }
 
-const struct gbm_driver gbm_driver_mediatek =
+static void *mediatek_bo_map(struct bo *bo)
+{
+       int ret;
+       struct drm_mtk_gem_map_off gem_map;
+
+       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");
+               return MAP_FAILED;
+       }
+
+       return mmap(0, bo->sizes[0], PROT_READ | PROT_WRITE, MAP_SHARED,
+                   bo->drv->fd, gem_map.offset);
+}
+
+static drv_format_t mediatek_resolve_format(drv_format_t format)
+{
+       switch (format) {
+       case DRV_FORMAT_FLEX_IMPLEMENTATION_DEFINED:
+               /*HACK: See b/28671744 */
+               return DRV_FORMAT_XBGR8888;
+       case DRV_FORMAT_FLEX_YCbCr_420_888:
+               return DRV_FORMAT_YVU420;
+       default:
+               return format;
+       }
+}
+
+const struct backend backend_mediatek =
 {
        .name = "mediatek",
-       .bo_create = gbm_mediatek_bo_create,
-       .bo_destroy = gbm_gem_bo_destroy,
+       .bo_create = mediatek_bo_create,
+       .bo_destroy = drv_gem_bo_destroy,
+       .bo_map = mediatek_bo_map,
+       .resolve_format = mediatek_resolve_format,
        .format_list = {
-               {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
-               {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE | GBM_BO_USE_LINEAR},
-               {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING | GBM_BO_USE_WRITE},
-               {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_WRITE | GBM_BO_USE_LINEAR},
+               {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
+                                     DRV_BO_USE_RENDERING | DRV_BO_USE_HW_TEXTURE |
+                                     DRV_BO_USE_HW_RENDER | DRV_BO_USE_HW_2D |
+                                     DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
+               {DRV_FORMAT_XRGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
+                                     DRV_BO_USE_LINEAR | DRV_BO_USE_SW_READ_OFTEN |
+                                     DRV_BO_USE_SW_WRITE_OFTEN},
+               {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
+                                     DRV_BO_USE_RENDERING | DRV_BO_USE_HW_TEXTURE |
+                                     DRV_BO_USE_HW_RENDER | DRV_BO_USE_HW_2D |
+                                     DRV_BO_USE_SW_READ_RARELY | DRV_BO_USE_SW_WRITE_RARELY},
+               {DRV_FORMAT_ARGB8888, DRV_BO_USE_SCANOUT | DRV_BO_USE_CURSOR |
+                                     DRV_BO_USE_LINEAR | DRV_BO_USE_SW_READ_OFTEN |
+                                     DRV_BO_USE_SW_WRITE_OFTEN},
+               {DRV_FORMAT_YVU420,   DRV_BO_USE_LINEAR | DRV_BO_USE_SW_READ_OFTEN |
+                                     DRV_BO_USE_SW_WRITE_OFTEN},
        }
 };