1 #ifndef NVFX_RESOURCE_H
2 #define NVFX_RESOURCE_H
4 #include "util/u_transfer.h"
5 #include "util/u_format.h"
6 #include "util/u_math.h"
7 #include "util/u_double_list.h"
8 #include "util/u_surfaces.h"
9 #include "util/u_dirty_surfaces.h"
10 #include <nouveau/nouveau_bo.h>
15 struct nvfx_resource {
16 struct pipe_resource base;
17 struct nouveau_bo *bo;
21 struct nvfx_resource *nvfx_resource(struct pipe_resource *resource)
23 return (struct nvfx_resource *)resource;
26 #define NVFX_RESOURCE_FLAG_LINEAR (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
27 #define NVFX_RESOURCE_FLAG_USER (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
29 /* is resource mapped into the GPU's address space (i.e. VRAM or GART) ? */
31 nvfx_resource_mapped_by_gpu(struct pipe_resource *resource)
33 return nvfx_resource(resource)->bo->handle;
36 /* is resource in VRAM? */
38 nvfx_resource_on_gpu(struct pipe_resource* pr)
41 // a compiler error here means you need to apply libdrm-nouveau-add-domain.patch to libdrm
42 // TODO: return FALSE if not VRAM and on a PCI-E system
43 return ((struct nvfx_resource*)pr)->bo->domain & (NOUVEAU_BO_VRAM | NOUVEAU_BO_GART);
49 #define NVFX_MAX_TEXTURE_LEVELS 16
51 /* We have the following invariants for render temporaries
53 * 1. Render temporaries are always linear
54 * 2. Render temporaries are always up to date
55 * 3. Currently, render temporaries are destroyed when the resource is used for sampling, but kept for any other use
57 * Also, we do NOT flush temporaries on any pipe->flush().
58 * This is fine, as long as scanout targets and shared resources never need temps.
60 * TODO: we may want to also support swizzled temporaries to improve performance in some cases.
64 struct nvfx_resource base;
66 unsigned linear_pitch; /* for linear textures, 0 for swizzled and compressed textures with level-dependent minimal pitch */
67 unsigned face_size; /* 128-byte aligned face/total size */
68 unsigned level_offset[NVFX_MAX_TEXTURE_LEVELS];
70 struct util_surfaces surfaces;
71 struct util_dirty_surfaces dirty_surfaces;
75 struct util_dirty_surface base;
79 struct nvfx_miptree* temp;
82 static INLINE struct nouveau_bo *
83 nvfx_surface_buffer(struct pipe_surface *surf)
85 struct nvfx_resource *mt = nvfx_resource(surf->texture);
90 static INLINE struct util_dirty_surfaces*
91 nvfx_surface_get_dirty_surfaces(struct pipe_surface* surf)
93 struct nvfx_miptree *mt = (struct nvfx_miptree *)surf->texture;
94 return &mt->dirty_surfaces;
98 nvfx_init_resource_functions(struct pipe_context *pipe);
101 nvfx_screen_init_resource_functions(struct pipe_screen *pscreen);
107 struct pipe_resource *
108 nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt);
111 nvfx_miptree_destroy(struct pipe_screen *pscreen,
112 struct pipe_resource *presource);
114 struct pipe_resource *
115 nvfx_miptree_from_handle(struct pipe_screen *pscreen,
116 const struct pipe_resource *template,
117 struct winsys_handle *whandle);
120 nvfx_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps);
122 struct pipe_surface *
123 nvfx_miptree_surface_new(struct pipe_context *pipe, struct pipe_resource *pt,
124 const struct pipe_surface *surf_tmpl);
126 /* only for miptrees, don't use for buffers */
128 /* NOTE: for swizzled 3D textures, this just returns the offset of the mipmap level */
129 static inline unsigned
130 nvfx_subresource_offset(struct pipe_resource* pt, unsigned face, unsigned level, unsigned zslice)
132 if(pt->target == PIPE_BUFFER)
136 struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
138 unsigned offset = mt->level_offset[level];
139 if (pt->target == PIPE_TEXTURE_CUBE)
140 offset += mt->face_size * face;
141 else if (pt->target == PIPE_TEXTURE_3D && mt->linear_pitch)
142 offset += zslice * util_format_get_2d_size(pt->format, (mt->linear_pitch ? mt->linear_pitch : util_format_get_stride(pt->format, u_minify(pt->width0, level))), u_minify(pt->height0, level));
147 static inline unsigned
148 nvfx_subresource_pitch(struct pipe_resource* pt, unsigned level)
150 if(pt->target == PIPE_BUFFER)
151 return ((struct nvfx_resource*)pt)->bo->size;
154 struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
157 return mt->linear_pitch;
159 return util_format_get_stride(pt->format, u_minify(pt->width0, level));
164 nvfx_surface_create_temp(struct pipe_context* pipe, struct pipe_surface* surf);
167 nvfx_surface_flush(struct pipe_context* pipe, struct pipe_surface* surf);
171 struct nvfx_resource base;
175 /* the range of data not yet uploaded to the GPU bo */
176 unsigned dirty_begin;
179 /* whether all transfers were unsynchronized */
180 boolean dirty_unsynchronized;
182 /* whether it would have been profitable to upload
183 * the latest updated data to the GPU immediately */
184 boolean last_update_static;
186 /* how many bytes we need to draw before we deem
187 * the buffer to be static
189 long long bytes_to_draw_until_static;
192 static inline struct nvfx_buffer* nvfx_buffer(struct pipe_resource* pr)
194 return (struct nvfx_buffer*)pr;
197 /* this is an heuristic to determine whether we are better off uploading the
198 * buffer to the GPU, or just continuing pushing it on the FIFO
200 static inline boolean nvfx_buffer_seems_static(struct nvfx_buffer* buffer)
202 return buffer->last_update_static
203 || buffer->bytes_to_draw_until_static < 0;
206 struct pipe_resource *
207 nvfx_buffer_create(struct pipe_screen *pscreen,
208 const struct pipe_resource *template);
211 nvfx_buffer_destroy(struct pipe_screen *pscreen,
212 struct pipe_resource *presource);
214 struct pipe_resource *
215 nvfx_user_buffer_create(struct pipe_screen *screen,
221 nvfx_buffer_upload(struct nvfx_buffer* buffer);