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gralloc0_register_buffer: initialize gralloc0 when needed
[android-x86/external-minigbm.git] / gbm.c
diff --git a/gbm.c b/gbm.c
index 9c31fd3..a78921c 100644 (file)
--- a/gbm.c
+++ b/gbm.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+ * Copyright 2014 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include <string.h>
 #include <xf86drm.h>
 
+#include "drv.h"
+#include "gbm_helpers.h"
 #include "gbm_priv.h"
-#include "helpers.h"
 #include "util.h"
 
-extern struct gbm_driver gbm_driver_cirrus;
-extern struct gbm_driver gbm_driver_evdi;
-#ifdef GBM_EXYNOS
-extern struct gbm_driver gbm_driver_exynos;
-#endif
-extern struct gbm_driver gbm_driver_gma500;
-#ifdef GBM_I915
-extern struct gbm_driver gbm_driver_i915;
-#endif
-#ifdef GBM_MARVELL
-extern struct gbm_driver gbm_driver_marvell;
-#endif
-#ifdef GBM_MEDIATEK
-extern struct gbm_driver gbm_driver_mediatek;
-#endif
-#ifdef GBM_ROCKCHIP
-extern struct gbm_driver gbm_driver_rockchip;
-#endif
-#ifdef GBM_TEGRA
-extern struct gbm_driver gbm_driver_tegra;
-#endif
-extern struct gbm_driver gbm_driver_udl;
-extern struct gbm_driver gbm_driver_virtio_gpu;
-
-static struct gbm_driver *gbm_get_driver(int fd)
-{
-       drmVersionPtr drm_version;
-       unsigned int i;
-
-       drm_version = drmGetVersion(fd);
-
-       if (!drm_version)
-               return NULL;
-
-       struct gbm_driver *driver_list[] = {
-               &gbm_driver_cirrus,
-               &gbm_driver_evdi,
-#ifdef GBM_EXYNOS
-               &gbm_driver_exynos,
-#endif
-               &gbm_driver_gma500,
-#ifdef GBM_I915
-               &gbm_driver_i915,
-#endif
-#ifdef GBM_MARVELL
-               &gbm_driver_marvell,
-#endif
-#ifdef GBM_MEDIATEK
-               &gbm_driver_mediatek,
-#endif
-#ifdef GBM_ROCKCHIP
-               &gbm_driver_rockchip,
-#endif
-#ifdef GBM_TEGRA
-               &gbm_driver_tegra,
-#endif
-               &gbm_driver_udl,
-               &gbm_driver_virtio_gpu,
-       };
-
-       for(i = 0; i < ARRAY_SIZE(driver_list); i++)
-               if (!strcmp(drm_version->name, driver_list[i]->name))
-               {
-                       drmFreeVersion(drm_version);
-                       return driver_list[i];
-               }
-
-       drmFreeVersion(drm_version);
-       return NULL;
-}
-
-PUBLIC int
-gbm_device_get_fd(struct gbm_device *gbm)
+PUBLIC int gbm_device_get_fd(struct gbm_device *gbm)
 {
-       return gbm->fd;
+
+       return drv_get_fd(gbm->drv);
 }
 
-PUBLIC const char *
-gbm_device_get_backend_name(struct gbm_device *gbm)
+PUBLIC const char *gbm_device_get_backend_name(struct gbm_device *gbm)
 {
-       return gbm->driver->name;
+       return drv_get_name(gbm->drv);
 }
 
-PUBLIC int
-gbm_device_is_format_supported(struct gbm_device *gbm,
-                              uint32_t format, uint32_t usage)
+PUBLIC int gbm_device_is_format_supported(struct gbm_device *gbm, uint32_t format, uint32_t usage)
 {
-       unsigned i;
-
-       if (format == GBM_BO_FORMAT_XRGB8888)
-               format = GBM_FORMAT_XRGB8888;
-       if (format == GBM_BO_FORMAT_ARGB8888)
-               format = GBM_FORMAT_ARGB8888;
+       uint64_t use_flags;
 
-       if (usage & GBM_BO_USE_CURSOR &&
-               usage & GBM_BO_USE_RENDERING)
+       if (usage & GBM_BO_USE_CURSOR && usage & GBM_BO_USE_RENDERING)
                return 0;
 
-       for(i = 0 ; i < ARRAY_SIZE(gbm->driver->format_list); i++)
-       {
-               if (!gbm->driver->format_list[i].format)
-                       break;
-
-               if (gbm->driver->format_list[i].format == format &&
-                       (gbm->driver->format_list[i].usage & usage) == usage)
-                       return 1;
-       }
+       use_flags = gbm_convert_usage(usage);
 
-       return 0;
+       return (drv_get_combination(gbm->drv, format, use_flags) != NULL);
 }
 
 PUBLIC struct gbm_device *gbm_create_device(int fd)
 {
        struct gbm_device *gbm;
-       int ret;
 
-       gbm = (struct gbm_device*) malloc(sizeof(*gbm));
+       gbm = (struct gbm_device *)malloc(sizeof(*gbm));
+
        if (!gbm)
                return NULL;
 
-       gbm->fd = fd;
-
-       gbm->driver = gbm_get_driver(fd);
-       if (!gbm->driver) {
+       gbm->drv = drv_create(fd);
+       if (!gbm->drv) {
                free(gbm);
                return NULL;
        }
 
-       if (gbm->driver->init) {
-               ret = gbm->driver->init(gbm);
-               if (ret) {
-                       free(gbm);
-                       return NULL;
-               }
-       }
-
        return gbm;
 }
 
 PUBLIC void gbm_device_destroy(struct gbm_device *gbm)
 {
-       if (gbm->driver->close)
-               gbm->driver->close(gbm);
+       drv_destroy(gbm->drv);
        free(gbm);
 }
 
-PUBLIC struct gbm_surface *gbm_surface_create(struct gbm_device *gbm,
-                                             uint32_t width, uint32_t height,
-                                             uint32_t format, uint32_t flags)
+PUBLIC struct gbm_surface *gbm_surface_create(struct gbm_device *gbm, uint32_t width,
+                                             uint32_t height, uint32_t format, uint32_t usage)
 {
-       struct gbm_surface *surface =
-               (struct gbm_surface*) malloc(sizeof(*surface));
+       struct gbm_surface *surface = (struct gbm_surface *)malloc(sizeof(*surface));
 
        if (!surface)
                return NULL;
@@ -185,27 +85,40 @@ PUBLIC struct gbm_bo *gbm_surface_lock_front_buffer(struct gbm_surface *surface)
        return NULL;
 }
 
-PUBLIC void gbm_surface_release_buffer(struct gbm_surface *surface,
-                                      struct gbm_bo *bo)
+PUBLIC void gbm_surface_release_buffer(struct gbm_surface *surface, struct gbm_bo *bo)
 {
 }
 
-static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm,
-                                uint32_t width, uint32_t height,
-                                uint32_t format)
+static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm, uint32_t format)
 {
        struct gbm_bo *bo;
 
-       bo = (struct gbm_bo*) calloc(1, sizeof(*bo));
+       bo = (struct gbm_bo *)calloc(1, sizeof(*bo));
        if (!bo)
                return NULL;
 
        bo->gbm = gbm;
-       bo->width = width;
-       bo->height = height;
-       bo->format = format;
-       bo->num_planes = gbm_num_planes_from_format(format);
-       if (!bo->num_planes) {
+       bo->gbm_format = format;
+
+       return bo;
+}
+
+PUBLIC struct gbm_bo *gbm_bo_create(struct gbm_device *gbm, uint32_t width, uint32_t height,
+                                   uint32_t format, uint32_t usage)
+{
+       struct gbm_bo *bo;
+
+       if (!gbm_device_is_format_supported(gbm, format, usage))
+               return NULL;
+
+       bo = gbm_bo_new(gbm, format);
+
+       if (!bo)
+               return NULL;
+
+       bo->bo = drv_bo_create(gbm->drv, width, height, format, gbm_convert_usage(usage));
+
+       if (!bo->bo) {
                free(bo);
                return NULL;
        }
@@ -213,22 +126,20 @@ static struct gbm_bo *gbm_bo_new(struct gbm_device *gbm,
        return bo;
 }
 
-PUBLIC struct gbm_bo *gbm_bo_create(struct gbm_device *gbm, uint32_t width,
-                                   uint32_t height, uint32_t format,
-                                   uint32_t flags)
+PUBLIC struct gbm_bo *gbm_bo_create_with_modifiers(struct gbm_device *gbm, uint32_t width,
+                                                  uint32_t height, uint32_t format,
+                                                  const uint64_t *modifiers, uint32_t count)
 {
        struct gbm_bo *bo;
-       int ret;
 
-       if (!gbm_device_is_format_supported(gbm, format, flags))
-               return NULL;
+       bo = gbm_bo_new(gbm, format);
 
-       bo = gbm_bo_new(gbm, width, height, format);
        if (!bo)
                return NULL;
 
-       ret = gbm->driver->bo_create(bo, width, height, format, flags);
-       if (ret) {
+       bo->bo = drv_bo_create_with_modifiers(gbm->drv, width, height, format, modifiers, count);
+
+       if (!bo->bo) {
                free(bo);
                return NULL;
        }
@@ -244,165 +155,181 @@ PUBLIC void gbm_bo_destroy(struct gbm_bo *bo)
                bo->user_data = NULL;
        }
 
-       bo->gbm->driver->bo_destroy(bo);
+       drv_bo_destroy(bo->bo);
        free(bo);
 }
 
-PUBLIC struct gbm_bo *
-gbm_bo_import(struct gbm_device *gbm, uint32_t type,
-              void *buffer, uint32_t usage)
+PUBLIC struct gbm_bo *gbm_bo_import(struct gbm_device *gbm, uint32_t type, void *buffer,
+                                   uint32_t usage)
 {
-       struct gbm_import_fd_data *fd_data = buffer;
        struct gbm_bo *bo;
-       struct drm_prime_handle prime_handle;
-       int ret;
+       struct drv_import_fd_data drv_data;
+       struct gbm_import_fd_data *fd_data = buffer;
+       struct gbm_import_fd_planar_data *fd_planar_data = buffer;
+       uint32_t gbm_format;
+       size_t num_planes, i;
+
+       memset(&drv_data, 0, sizeof(drv_data));
+       drv_data.use_flags = gbm_convert_usage(usage);
+       switch (type) {
+       case GBM_BO_IMPORT_FD:
+               gbm_format = fd_data->format;
+               drv_data.width = fd_data->width;
+               drv_data.height = fd_data->height;
+               drv_data.format = fd_data->format;
+               drv_data.fds[0] = fd_data->fd;
+               drv_data.strides[0] = fd_data->stride;
+               break;
+       case GBM_BO_IMPORT_FD_PLANAR:
+               gbm_format = fd_planar_data->format;
+               drv_data.width = fd_planar_data->width;
+               drv_data.height = fd_planar_data->height;
+               drv_data.format = fd_planar_data->format;
+               num_planes = drv_num_planes_from_format(drv_data.format);
+
+               assert(num_planes);
+
+               for (i = 0; i < num_planes; i++) {
+                       drv_data.fds[i] = fd_planar_data->fds[i];
+                       drv_data.offsets[i] = fd_planar_data->offsets[i];
+                       drv_data.strides[i] = fd_planar_data->strides[i];
+                       drv_data.format_modifiers[i] = fd_planar_data->format_modifiers[i];
+               }
 
-       if (type != GBM_BO_IMPORT_FD)
-               return NULL;
+               for (i = num_planes; i < GBM_MAX_PLANES; i++)
+                       drv_data.fds[i] = -1;
 
-       if (!gbm_device_is_format_supported(gbm, fd_data->format, usage))
+               break;
+       default:
                return NULL;
+       }
 
-       /* This function can support only single plane formats. */
-       /* If multi-plane import is desired, new function should be added. */
-       if (gbm_num_planes_from_format(fd_data->format) != 1)
+       if (!gbm_device_is_format_supported(gbm, gbm_format, usage))
                return NULL;
 
-       bo = gbm_bo_new(gbm, fd_data->width, fd_data->height, fd_data->format);
+       bo = gbm_bo_new(gbm, gbm_format);
+
        if (!bo)
                return NULL;
 
-       bo->strides[0] = fd_data->stride;
-       bo->sizes[0] = fd_data->height * fd_data->stride;
+       bo->bo = drv_bo_import(gbm->drv, &drv_data);
 
-       memset(&prime_handle, 0, sizeof(prime_handle));
-       prime_handle.fd = fd_data->fd;
-
-       ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &prime_handle);
-       if (ret) {
-               fprintf(stderr, "minigbm: DRM_IOCTL_PRIME_FD_TO_HANDLE failed "
-                               "(fd=%u)\n", prime_handle.fd);
+       if (!bo->bo) {
                free(bo);
                return NULL;
        }
 
-       bo->handles[0].u32 = prime_handle.handle;
-
        return bo;
 }
 
-PUBLIC uint32_t
-gbm_bo_get_width(struct gbm_bo *bo)
+PUBLIC void *gbm_bo_map(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height,
+                       uint32_t transfer_flags, uint32_t *stride, void **map_data, size_t plane)
 {
-       return bo->width;
+       uint32_t map_flags;
+       if (!bo || width == 0 || height == 0 || !stride || !map_data)
+               return NULL;
+
+       *stride = gbm_bo_get_plane_stride(bo, plane);
+       map_flags = (transfer_flags & GBM_BO_TRANSFER_READ) ? BO_MAP_READ : BO_MAP_NONE;
+       map_flags |= (transfer_flags & GBM_BO_TRANSFER_WRITE) ? BO_MAP_WRITE : BO_MAP_NONE;
+       return drv_bo_map(bo->bo, x, y, width, height, map_flags, (struct map_info **)map_data,
+                         plane);
+}
+
+PUBLIC void gbm_bo_unmap(struct gbm_bo *bo, void *map_data)
+{
+       assert(bo);
+       drv_bo_unmap(bo->bo, map_data);
+}
+
+PUBLIC uint32_t gbm_bo_get_width(struct gbm_bo *bo)
+{
+       return drv_bo_get_width(bo->bo);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_height(struct gbm_bo *bo)
+PUBLIC uint32_t gbm_bo_get_height(struct gbm_bo *bo)
 {
-       return bo->height;
+       return drv_bo_get_height(bo->bo);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_stride(struct gbm_bo *bo)
+PUBLIC uint32_t gbm_bo_get_stride(struct gbm_bo *bo)
 {
        return gbm_bo_get_plane_stride(bo, 0);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
+PUBLIC uint32_t gbm_bo_get_stride_or_tiling(struct gbm_bo *bo)
 {
-       return bo->tiling ? bo->tiling : gbm_bo_get_stride(bo);
+       return drv_bo_get_stride_or_tiling(bo->bo);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_format(struct gbm_bo *bo)
+PUBLIC uint32_t gbm_bo_get_format(struct gbm_bo *bo)
 {
-       return bo->format;
+       return bo->gbm_format;
 }
 
-PUBLIC struct gbm_device *
-gbm_bo_get_device(struct gbm_bo *bo)
+PUBLIC uint64_t gbm_bo_get_format_modifier(struct gbm_bo *bo)
+{
+       return gbm_bo_get_plane_format_modifier(bo, 0);
+}
+
+PUBLIC struct gbm_device *gbm_bo_get_device(struct gbm_bo *bo)
 {
        return bo->gbm;
 }
 
-PUBLIC union gbm_bo_handle
-gbm_bo_get_handle(struct gbm_bo *bo)
+PUBLIC union gbm_bo_handle gbm_bo_get_handle(struct gbm_bo *bo)
 {
        return gbm_bo_get_plane_handle(bo, 0);
 }
 
-PUBLIC int
-gbm_bo_get_fd(struct gbm_bo *bo)
+PUBLIC int gbm_bo_get_fd(struct gbm_bo *bo)
 {
        return gbm_bo_get_plane_fd(bo, 0);
 }
 
-PUBLIC size_t
-gbm_bo_get_num_planes(struct gbm_bo *bo)
+PUBLIC size_t gbm_bo_get_num_planes(struct gbm_bo *bo)
 {
-       return bo->num_planes;
+       return drv_bo_get_num_planes(bo->bo);
 }
 
-PUBLIC union gbm_bo_handle
-gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
+PUBLIC union gbm_bo_handle gbm_bo_get_plane_handle(struct gbm_bo *bo, size_t plane)
 {
-       assert(plane < bo->num_planes);
-       return bo->handles[plane];
+       return (union gbm_bo_handle)drv_bo_get_plane_handle(bo->bo, plane).u64;
 }
 
-#ifndef DRM_RDWR
-#define DRM_RDWR O_RDWR
-#endif
-
-PUBLIC int
-gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
+PUBLIC int gbm_bo_get_plane_fd(struct gbm_bo *bo, size_t plane)
 {
-       int fd;
-       assert(plane < bo->num_planes);
+       return drv_bo_get_plane_fd(bo->bo, plane);
+}
 
-       if (drmPrimeHandleToFD(
-                       gbm_device_get_fd(bo->gbm),
-                       gbm_bo_get_plane_handle(bo, plane).u32,
-                       DRM_CLOEXEC | DRM_RDWR,
-                       &fd))
-               return -1;
-       else
-               return fd;
+PUBLIC uint32_t gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
+{
+       return drv_bo_get_plane_offset(bo->bo, plane);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_plane_offset(struct gbm_bo *bo, size_t plane)
+PUBLIC uint32_t gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
 {
-       assert(plane < bo->num_planes);
-       return bo->offsets[plane];
+       return drv_bo_get_plane_size(bo->bo, plane);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_plane_size(struct gbm_bo *bo, size_t plane)
+PUBLIC uint32_t gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
 {
-       assert(plane < bo->num_planes);
-       return bo->sizes[plane];
+       return drv_bo_get_plane_stride(bo->bo, plane);
 }
 
-PUBLIC uint32_t
-gbm_bo_get_plane_stride(struct gbm_bo *bo, size_t plane)
+PUBLIC uint64_t gbm_bo_get_plane_format_modifier(struct gbm_bo *bo, size_t plane)
 {
-       assert(plane < bo->num_planes);
-       return bo->strides[plane];
+       return drv_bo_get_plane_format_modifier(bo->bo, plane);
 }
 
-PUBLIC void
-gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
-                    void (*destroy_user_data)(struct gbm_bo *, void *))
+PUBLIC void gbm_bo_set_user_data(struct gbm_bo *bo, void *data,
+                                void (*destroy_user_data)(struct gbm_bo *, void *))
 {
        bo->user_data = data;
        bo->destroy_user_data = destroy_user_data;
 }
 
-PUBLIC void *
-gbm_bo_get_user_data(struct gbm_bo *bo)
+PUBLIC void *gbm_bo_get_user_data(struct gbm_bo *bo)
 {
        return bo->user_data;
 }