diff options
Diffstat (limited to 'src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c')
| -rw-r--r-- | src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c index 6f79e0800a4..c17d8a05e60 100644 --- a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c +++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c @@ -103,7 +103,7 @@ nouveau_pipe_bo_user_create(struct pipe_winsys *pws, void *ptr, unsigned bytes) static void nouveau_pipe_bo_del(struct pipe_winsys *ws, struct pipe_buffer *buf) { - struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf); + struct nouveau_pipe_buffer *nvbuf = (void *)buf; nouveau_bo_ref(NULL, &nvbuf->bo); FREE(nvbuf); @@ -113,7 +113,7 @@ static void * nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf, unsigned flags) { - struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf); + struct nouveau_pipe_buffer *nvbuf = (void *)buf; uint32_t map_flags = 0; if (flags & PIPE_BUFFER_USAGE_CPU_READ) @@ -146,7 +146,7 @@ nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf, static void nouveau_pipe_bo_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf) { - struct nouveau_pipe_buffer *nvbuf = nouveau_buffer(buf); + struct nouveau_pipe_buffer *nvbuf = (void *)buf; nouveau_bo_unmap(nvbuf->bo); } @@ -173,6 +173,38 @@ nouveau_pipe_fence_finish(struct pipe_winsys *ws, return 0; } +struct pipe_surface * +nouveau_surface_buffer_ref(struct nouveau_context *nv, struct pipe_buffer *pb, + enum pipe_format format, int w, int h, + unsigned pitch, struct pipe_texture **ppt) +{ + struct pipe_screen *pscreen = nv->nvc->pscreen; + struct pipe_texture tmpl, *pt; + struct pipe_surface *ps; + + memset(&tmpl, 0, sizeof(tmpl)); + tmpl.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET | + NOUVEAU_TEXTURE_USAGE_LINEAR; + tmpl.target = PIPE_TEXTURE_2D; + tmpl.width[0] = w; + tmpl.height[0] = h; + tmpl.depth[0] = 1; + tmpl.format = format; + pf_get_block(tmpl.format, &tmpl.block); + tmpl.nblocksx[0] = pf_get_nblocksx(&tmpl.block, w); + tmpl.nblocksy[0] = pf_get_nblocksy(&tmpl.block, h); + + pt = pscreen->texture_blanket(pscreen, &tmpl, &pitch, pb); + if (!pt) + return NULL; + + ps = pscreen->get_tex_surface(pscreen, pt, 0, 0, 0, + PIPE_BUFFER_USAGE_GPU_WRITE); + + *ppt = pt; + return ps; +} + static void nouveau_destroy(struct pipe_winsys *pws) { |