C++ (Cpp) radeon_lookup_or_add_slab_bufferの例

コード例 #1

ファイル: radeon_drm_cs.c プロジェクト: bminor/mesa-mesa

static unsigned radeon_drm_cs_add_buffer(struct radeon_cmdbuf *rcs,
                                        struct pb_buffer *buf,
                                        enum radeon_bo_usage usage,
                                        enum radeon_bo_domain domains,
                                        enum radeon_bo_priority priority)
{
    struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
    struct radeon_bo *bo = (struct radeon_bo*)buf;
    enum radeon_bo_domain added_domains;

    /* If VRAM is just stolen system memory, allow both VRAM and
     * GTT, whichever has free space. If a buffer is evicted from
     * VRAM to GTT, it will stay there.
     */
    if (!cs->ws->info.has_dedicated_vram)
        domains |= RADEON_DOMAIN_GTT;

    enum radeon_bo_domain rd = usage & RADEON_USAGE_READ ? domains : 0;
    enum radeon_bo_domain wd = usage & RADEON_USAGE_WRITE ? domains : 0;
    struct drm_radeon_cs_reloc *reloc;
    int index;

    if (!bo->handle) {
        index = radeon_lookup_or_add_slab_buffer(cs, bo);
        if (index < 0)
            return 0;

        index = cs->csc->slab_buffers[index].u.slab.real_idx;
    } else {
        index = radeon_lookup_or_add_real_buffer(cs, bo);
    }

    reloc = &cs->csc->relocs[index];
    added_domains = (rd | wd) & ~(reloc->read_domains | reloc->write_domain);
    reloc->read_domains |= rd;
    reloc->write_domain |= wd;
    reloc->flags = MAX2(reloc->flags, priority);
    cs->csc->relocs_bo[index].u.real.priority_usage |= 1u << priority;

    if (added_domains & RADEON_DOMAIN_VRAM)
        cs->base.used_vram += bo->base.size;
    else if (added_domains & RADEON_DOMAIN_GTT)
        cs->base.used_gart += bo->base.size;

    return index;
}

コード例 #2

ファイル: radeon_drm_cs.c プロジェクト: elgambitero/Mesa-3D

static unsigned radeon_drm_cs_add_buffer(struct radeon_winsys_cs *rcs,
                                        struct pb_buffer *buf,
                                        enum radeon_bo_usage usage,
                                        enum radeon_bo_domain domains,
                                        enum radeon_bo_priority priority)
{
    struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
    struct radeon_bo *bo = (struct radeon_bo*)buf;
    enum radeon_bo_domain added_domains;
    enum radeon_bo_domain rd = usage & RADEON_USAGE_READ ? domains : 0;
    enum radeon_bo_domain wd = usage & RADEON_USAGE_WRITE ? domains : 0;
    struct drm_radeon_cs_reloc *reloc;
    int index;

    if (!bo->handle) {
        index = radeon_lookup_or_add_slab_buffer(cs, bo);
        if (index < 0)
            return 0;

        index = cs->csc->slab_buffers[index].u.slab.real_idx;
    } else {
        index = radeon_lookup_or_add_real_buffer(cs, bo);
    }

    reloc = &cs->csc->relocs[index];
    added_domains = (rd | wd) & ~(reloc->read_domains | reloc->write_domain);
    reloc->read_domains |= rd;
    reloc->write_domain |= wd;
    reloc->flags = MAX2(reloc->flags, priority);
    cs->csc->relocs_bo[index].u.real.priority_usage |= 1llu << priority;

    if (added_domains & RADEON_DOMAIN_VRAM)
        cs->base.used_vram += bo->base.size;
    else if (added_domains & RADEON_DOMAIN_GTT)
        cs->base.used_gart += bo->base.size;

    return index;
}