src/gallium/drivers/nouveau/nvc0/nvc0_resource.c

   1 #include "drm-uapi/drm_fourcc.h"
   2
   3 #include "pipe/p_context.h"
   4 #include "nvc0/nvc0_resource.h"
   5 #include "nouveau_screen.h"
   6
   7
   8 static struct pipe_resource *
   9 nvc0_resource_create(struct pipe_screen *screen,
  10                      const struct pipe_resource *templ)
  11 {
  12    const uint64_t modifier = DRM_FORMAT_MOD_INVALID;
  13
  14    switch (templ->target) {
  15    case PIPE_BUFFER:
  16       return nouveau_buffer_create(screen, templ);
  17    default:
  18       return nvc0_miptree_create(screen, templ, &modifier, 1);
  19    }
  20 }
  21
  22 static struct pipe_resource *
  23 nvc0_resource_create_with_modifiers(struct pipe_screen *screen,
  24                                     const struct pipe_resource *templ,
  25                                     const uint64_t *modifiers, int count)
  26 {
  27    switch (templ->target) {
  28    case PIPE_BUFFER:
  29       return nouveau_buffer_create(screen, templ);
  30    default:
  31       return nvc0_miptree_create(screen, templ, modifiers, count);
  32    }
  33 }
  34
  35 static void
  36 nvc0_query_dmabuf_modifiers(struct pipe_screen *screen,
  37                             enum pipe_format format, int max,
  38                             uint64_t *modifiers, unsigned int *external_only,
  39                             int *count)
  40 {
  41    static const uint64_t supported_modifiers[] = {
  42       DRM_FORMAT_MOD_LINEAR,
  43       DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_ONE_GOB,
  44       DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_TWO_GOB,
  45       DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_FOUR_GOB,
  46       DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_EIGHT_GOB,
  47       DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_SIXTEEN_GOB,
  48       DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_THIRTYTWO_GOB,
  49    };
  50    int i, num = 0;
  51
  52    if (max > ARRAY_SIZE(supported_modifiers))
  53       max = ARRAY_SIZE(supported_modifiers);
  54
  55    if (!max) {
  56       max = ARRAY_SIZE(supported_modifiers);
  57       external_only = NULL;
  58       modifiers = NULL;
  59    }
  60
  61    for (i = 0; i < max; i++) {
  62       if (modifiers)
  63          modifiers[num] = supported_modifiers[i];
  64
  65       if (external_only)
  66          external_only[num] = 0;
  67
  68       num++;
  69    }
  70
  71    *count = num;
  72 }
  73
  74 static struct pipe_resource *
  75 nvc0_resource_from_handle(struct pipe_screen * screen,
  76                           const struct pipe_resource *templ,
  77                           struct winsys_handle *whandle,
  78                           unsigned usage)
  79 {
  80    if (templ->target == PIPE_BUFFER) {
  81       return NULL;
  82    } else {
  83       struct pipe_resource *res = nv50_miptree_from_handle(screen,
  84                                                            templ, whandle);
  85       if (res)
  86          nv04_resource(res)->vtbl = &nvc0_miptree_vtbl;
  87       return res;
  88    }
  89 }
  90
  91 static struct pipe_surface *
  92 nvc0_surface_create(struct pipe_context *pipe,
  93                     struct pipe_resource *pres,
  94                     const struct pipe_surface *templ)
  95 {
  96    if (unlikely(pres->target == PIPE_BUFFER))
  97       return nv50_surface_from_buffer(pipe, pres, templ);
  98    return nvc0_miptree_surface_new(pipe, pres, templ);
  99 }
 100
 101 void
 102 nvc0_init_resource_functions(struct pipe_context *pcontext)
 103 {
 104    pcontext->transfer_map = u_transfer_map_vtbl;
 105    pcontext->transfer_flush_region = u_transfer_flush_region_vtbl;
 106    pcontext->transfer_unmap = u_transfer_unmap_vtbl;
 107    pcontext->buffer_subdata = u_default_buffer_subdata;
 108    pcontext->texture_subdata = u_default_texture_subdata;
 109    pcontext->create_surface = nvc0_surface_create;
 110    pcontext->surface_destroy = nv50_surface_destroy;
 111    pcontext->invalidate_resource = nv50_invalidate_resource;
 112 }
 113
 114 void
 115 nvc0_screen_init_resource_functions(struct pipe_screen *pscreen)
 116 {
 117    pscreen->resource_create = nvc0_resource_create;
 118    pscreen->resource_create_with_modifiers = nvc0_resource_create_with_modifiers;
 119    pscreen->query_dmabuf_modifiers = nvc0_query_dmabuf_modifiers;
 120    pscreen->resource_from_handle = nvc0_resource_from_handle;
 121    pscreen->resource_get_handle = u_resource_get_handle_vtbl;
 122    pscreen->resource_destroy = u_resource_destroy_vtbl;
 123 }