DO NOT MERGE: rename module to gralloc.intel

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

diff --git a/exynos.c b/exynos.c
index e74e56d..963f030 100644 (file)
--- a/exynos.c
+++ b/exynos.c
@@ -1,29 +1,50 @@
 /*
- * 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.
  */
 
-#ifdef GBM_EXYNOS
+#ifdef DRV_EXYNOS
 
+// clang-format off
 #include <assert.h>
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
 #include <xf86drm.h>
 #include <exynos_drm.h>
+// clang-format on
 
-#include "gbm_priv.h"
+#include "drv_priv.h"
 #include "helpers.h"
 #include "util.h"
 
-static int gbm_exynos_bo_create(struct gbm_bo *bo,
-                               uint32_t width, uint32_t height,
-                               uint32_t format, uint32_t flags)
+static const uint32_t render_target_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888 };
+
+static const uint32_t texture_source_formats[] = { DRM_FORMAT_NV12 };
+
+static int exynos_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;
+
+       ret = drv_add_combinations(drv, texture_source_formats, ARRAY_SIZE(texture_source_formats),
+                                  &LINEAR_METADATA, BO_USE_TEXTURE_MASK);
+       if (ret)
+               return ret;
+
+       return drv_modify_linear_combinations(drv);
+}
+
+static int exynos_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
+                           uint64_t use_flags)
 {
        size_t plane;
 
-       if (format == GBM_FORMAT_NV12) {
+       if (format == DRM_FORMAT_NV12) {
                uint32_t chroma_height;
                /* V4L2 s5p-mfc requires width to be 16 byte aligned and height 32. */
                width = ALIGN(width, 16);
@@ -34,12 +55,13 @@ static int gbm_exynos_bo_create(struct gbm_bo *bo,
                bo->sizes[0] = bo->strides[0] * height + 64;
                bo->sizes[1] = bo->strides[1] * chroma_height + 64;
                bo->offsets[0] = bo->offsets[1] = 0;
-       } else if (format == GBM_FORMAT_XRGB8888 || format == GBM_FORMAT_ARGB8888) {
-               bo->strides[0] = gbm_stride_from_format(format, width);
-               bo->sizes[0] = height * bo->strides[0];
+               bo->total_size = bo->sizes[0] + bo->sizes[1];
+       } else if (format == DRM_FORMAT_XRGB8888 || format == DRM_FORMAT_ARGB8888) {
+               bo->strides[0] = drv_stride_from_format(format, width, 0);
+               bo->total_size = bo->sizes[0] = height * bo->strides[0];
                bo->offsets[0] = 0;
        } else {
-               fprintf(stderr, "minigbm: unsupported format %X\n", format);
+               fprintf(stderr, "drv: unsupported format %X\n", format);
                assert(0);
                return -EINVAL;
        }
@@ -53,10 +75,10 @@ static int gbm_exynos_bo_create(struct gbm_bo *bo,
                gem_create.size = size;
                gem_create.flags = EXYNOS_BO_NONCONTIG;
 
-               ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_EXYNOS_GEM_CREATE, &gem_create);
+               ret = drmIoctl(bo->drv->fd, DRM_IOCTL_EXYNOS_GEM_CREATE, &gem_create);
                if (ret) {
-                       fprintf(stderr, "minigbm: DRM_IOCTL_EXYNOS_GEM_CREATE failed "
-                                       "(size=%zu)\n", size);
+                       fprintf(stderr, "drv: DRM_IOCTL_EXYNOS_GEM_CREATE failed (size=%zu)\n",
+                               size);
                        goto cleanup_planes;
                }
 
@@ -66,34 +88,31 @@ static int gbm_exynos_bo_create(struct gbm_bo *bo,
        return 0;
 
 cleanup_planes:
-       for ( ; plane != 0; plane--) {
+       for (; plane != 0; plane--) {
                struct drm_gem_close gem_close;
                memset(&gem_close, 0, sizeof(gem_close));
                gem_close.handle = bo->handles[plane - 1].u32;
-               int gem_close_ret = drmIoctl(bo->gbm->fd, DRM_IOCTL_GEM_CLOSE,
-                                            &gem_close);
+               int gem_close_ret = drmIoctl(bo->drv->fd, DRM_IOCTL_GEM_CLOSE, &gem_close);
                if (gem_close_ret) {
-                       fprintf(stderr,
-                               "minigbm: DRM_IOCTL_GEM_CLOSE failed: %d\n",
-                               gem_close_ret);
+                       fprintf(stderr, "drv: DRM_IOCTL_GEM_CLOSE failed: %d\n", gem_close_ret);
                }
        }
 
        return ret;
 }
 
-const struct gbm_driver gbm_driver_exynos =
-{
+/*
+ * Use dumb mapping with exynos even though a GEM buffer is created.
+ * libdrm does the same thing in exynos_drm.c
+ */
+struct backend backend_exynos = {
        .name = "exynos",
-       .bo_create = gbm_exynos_bo_create,
-       .bo_destroy = gbm_gem_bo_destroy,
-       .format_list = {
-               {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING},
-               {GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_LINEAR},
-               {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_RENDERING},
-               {GBM_FORMAT_ARGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_CURSOR | GBM_BO_USE_LINEAR},
-               {GBM_FORMAT_NV12, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING},
-       }
+       .init = exynos_init,
+       .bo_create = exynos_bo_create,
+       .bo_destroy = drv_gem_bo_destroy,
+       .bo_import = drv_prime_bo_import,
+       .bo_map = drv_dumb_bo_map,
+       .bo_unmap = drv_bo_munmap,
 };
 
 #endif