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#include "drm-uapi/drm_fourcc.h"
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#include "pipe/p_context.h"
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#include "nvc0/nvc0_resource.h"
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#include "nouveau_screen.h"
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static struct pipe_resource *
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nvc0_resource_create(struct pipe_screen *screen,
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const struct pipe_resource *templ)
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switch (templ->target) {
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return nouveau_buffer_create(screen, templ);
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return nvc0_miptree_create(screen, templ, NULL, 0);
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static struct pipe_resource *
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nvc0_resource_create_with_modifiers(struct pipe_screen *screen,
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const struct pipe_resource *templ,
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const uint64_t *modifiers, int count)
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switch (templ->target) {
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return nouveau_buffer_create(screen, templ);
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return nvc0_miptree_create(screen, templ, modifiers, count);
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nvc0_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *res)
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if (res->target == PIPE_BUFFER)
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nouveau_buffer_destroy(pscreen, res);
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nv50_miptree_destroy(pscreen, res);
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nvc0_query_dmabuf_modifiers(struct pipe_screen *screen,
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enum pipe_format format, int max,
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uint64_t *modifiers, unsigned int *external_only,
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const int s = nouveau_screen(screen)->tegra_sector_layout ? 0 : 1;
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const uint32_t uc_kind =
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nvc0_choose_tiled_storage_type(screen, format, 0, false);
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const uint32_t num_uc = uc_kind ? 6 : 0; /* max block height = 32 GOBs */
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const int num_supported = num_uc + 1; /* LINEAR is always supported */
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const uint32_t kind_gen = nvc0_get_kind_generation(screen);
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if (max > num_supported)
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#define NVC0_ADD_MOD(m) do { \
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if (modifiers) modifiers[num] = m; \
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if (external_only) external_only[num] = 0; \
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for (i = 0; i < max && i < num_uc; i++)
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NVC0_ADD_MOD(DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, s, kind_gen,
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NVC0_ADD_MOD(DRM_FORMAT_MOD_LINEAR);
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nvc0_is_dmabuf_modifier_supported(struct pipe_screen *screen,
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uint64_t modifier, enum pipe_format format,
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const int s = nouveau_screen(screen)->tegra_sector_layout ? 0 : 1;
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const uint32_t uc_kind =
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nvc0_choose_tiled_storage_type(screen, format, 0, false);
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const uint32_t num_uc = uc_kind ? 6 : 0; /* max block height = 32 GOBs */
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const uint32_t kind_gen = nvc0_get_kind_generation(screen);
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if (modifier == DRM_FORMAT_MOD_LINEAR) {
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*external_only = false;
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for (i = 0; i < num_uc; i++) {
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if (DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, s, kind_gen, uc_kind, i) == modifier) {
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*external_only = false;
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static struct pipe_resource *
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nvc0_resource_from_handle(struct pipe_screen * screen,
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const struct pipe_resource *templ,
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struct winsys_handle *whandle,
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if (templ->target == PIPE_BUFFER) {
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struct pipe_resource *res = nv50_miptree_from_handle(screen,
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static struct pipe_surface *
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nvc0_surface_create(struct pipe_context *pipe,
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struct pipe_resource *pres,
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const struct pipe_surface *templ)
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if (unlikely(pres->target == PIPE_BUFFER))
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return nv50_surface_from_buffer(pipe, pres, templ);
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return nvc0_miptree_surface_new(pipe, pres, templ);
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static struct pipe_resource *
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nvc0_resource_from_user_memory(struct pipe_screen *pipe,
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const struct pipe_resource *templ,
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ASSERTED struct nouveau_screen *screen = nouveau_screen(pipe);
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assert(screen->has_svm);
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assert(templ->target == PIPE_BUFFER);
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return nouveau_buffer_create_from_user(pipe, templ, user_memory);
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nvc0_init_resource_functions(struct pipe_context *pcontext)
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pcontext->buffer_map = nouveau_buffer_transfer_map;
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pcontext->texture_map = nvc0_miptree_transfer_map;
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pcontext->transfer_flush_region = nouveau_buffer_transfer_flush_region;
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pcontext->buffer_unmap = nouveau_buffer_transfer_unmap;
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pcontext->texture_unmap = nvc0_miptree_transfer_unmap;
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pcontext->buffer_subdata = u_default_buffer_subdata;
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pcontext->texture_subdata = u_default_texture_subdata;
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pcontext->create_surface = nvc0_surface_create;
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pcontext->surface_destroy = nv50_surface_destroy;
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pcontext->invalidate_resource = nv50_invalidate_resource;
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nvc0_screen_init_resource_functions(struct pipe_screen *pscreen)
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pscreen->resource_create = nvc0_resource_create;
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pscreen->resource_create_with_modifiers = nvc0_resource_create_with_modifiers;
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pscreen->query_dmabuf_modifiers = nvc0_query_dmabuf_modifiers;
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pscreen->is_dmabuf_modifier_supported = nvc0_is_dmabuf_modifier_supported;
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pscreen->resource_from_handle = nvc0_resource_from_handle;
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pscreen->resource_get_handle = nvc0_miptree_get_handle;
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pscreen->resource_destroy = nvc0_resource_destroy;
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pscreen->resource_from_user_memory = nvc0_resource_from_user_memory;